Elettrotecnica Rold S.r.l.

Italy

Back to Profile

1-30 of 30 for Elettrotecnica Rold S.r.l. Sort by
Query
Aggregations
IP Type
        Patent 29
        Trademark 1
Jurisdiction
        World 25
        United States 5
Date
New (last 4 weeks) 1
2025 January (MTD) 1
2024 November 1
2024 October 1
2025 (YTD) 1
See more
IPC Class
A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details 18
D06F 39/14 - Doors or covers; Securing means therefor 13
D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door 10
E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means 6
E05C 19/02 - Automatic catches, i.e. released by pull or pressure on the wing 5
See more
NICE Class
07 - Machines and machine tools 1
09 - Scientific and electric apparatus and instruments 1
11 - Environmental control apparatus 1
37 - Construction and mining; installation and repair services 1

1.

METHOD AND APPARATUS FOR MONITORING AND CONTROLLING THE QUALITY OF WATER USED IN A HOUSEHOLD APPLIANCE

      
Application Number IB2024056563
Publication Number 2025/012767
Status In Force
Filing Date 2024-07-05
Publication Date 2025-01-16
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Di Ciccio, Daniele
  • Mansutti, Alessandro
  • Migliavacca, Alessandro
  • Inafuku Yoshida, Luis Haruo
  • Battimiello, David
  • Ilare, Dennis

Abstract

The present invention relates to an apparatus (1) for monitoring and controlling the quality of water used in a household appliance, comprising a device (4) for monitoring and controlling the water quality and at least one processing and control unit (2, 8), characterized in that said device (4) for monitoring and controlling the water quality in turn comprises at least one fluid-tight casing (13) and at least one reflecting wall (10), where at least one ultrasonic transducer (6) is housed within said fluid-tight casing (13), and wherein said ultrasonic transducer (6) is configured to emit an acoustic wave (A) towards said reflecting wall (10), placed at a known distance (D) from said ultrasonic transducer (6), and to receive the acoustic wave reflected (A') by said reflective wall (10), between said casing (13) and said reflective wall (10) a monitoring volume (V) being defined, adapted to be invaded by said water, so that said emitted acoustic wave (A) and said reflected acoustic wave (A') cross said monitoring volume (V), said at least one processing and control unit (2, 8) being in signal connection with said ultrasonic transducer (6) and being configured to process a signal indicative of a time-of- flight (ToF) of said acoustic wave (A, A') associated with a temperature signal of said water and to generate, on the basis of said time-of-flight (ToF) indicative signal, at least one of: a signal indicative of the degree of hardness of said water, a signal indicative of the degree of turbidity of said water and a signal indicative of the presence of particulate matter and microplastics in said water.

IPC Classes  ?

  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 34/22 - Condition of the washing liquid, e.g. turbidity
  • G01N 29/032 - Analysing fluids by measuring attenuation of acoustic waves
  • G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object - Details
  • G01N 29/50 - Processing the detected response signal using auto-correlation techniques or cross-correlation techniques
  • G01N 33/18 - Water

2.

COMPACT DEVICE FOR OPENING THE DOOR OF A HOUSEHOLD APPLIANCE

      
Application Number IB2024054177
Publication Number 2024/228108
Status In Force
Filing Date 2024-04-30
Publication Date 2024-11-07
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Di Ciccio, Daniele
  • Marchini, Francesco
  • Cascini, Gaetano
  • Mansutti, Alessandro
  • Inafuku Yoshida, Luis Haruo
  • Ilare, Dennis

Abstract

The present invention concerns a device for automatically opening doors of household appliances, in particular of dishwashers but not only. The object of the present invention is a device that allows the automatic opening of the door through an element capable of exerting an axial thrust that is sufficient to open the door and that presents an encumbrance smaller than its axial development when it is not engaged in opening the door but is in a rest position. Said device (10) is characterized in that it comprises a pusher element (11) movable between a retracted rest position corresponding to a closed door condition, and an extended position corresponding to an open door condition, wherein each pusher element (11) comprises two flexible elements (13) provided with a plurality of engagement elements (14) provided with an undercut profile alternating with hollow spaces (15) shaped as said engagement elements with an undercut profile so as to be able to accommodate the engagement elements (14) of a second flexible element (13), said flexible elements (13) being able to deform through bending and twisting when separated, and to realise an element sufficiently rigid to exert an axial thrust on the door of the household appliance when mutually engaged by means of said engagement elements (14).

IPC Classes  ?

  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door

3.

DEVICE FOR THE RECOGNITION OF A FOOD AND FOR THE DETERMINATION OF THE DEGREE OF FRESHNESS THEREOF

      
Application Number IB2024052769
Publication Number 2024/201242
Status In Force
Filing Date 2024-03-22
Publication Date 2024-10-03
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Ilare, Dennis
  • Mansutti, Alessandro
  • Migliavacca, Alessandro
  • Inafuku Yoshida, Luis Haruo
  • Di Ciccio, Daniele

Abstract

The present invention relates to a device (1) for the recognition of a food and for the determination of the degree of freshness thereof, configured to be at least partially inserted inside a container (3) for foods, which can be closed by means of a closure (5), wherein said container (3) is adapted to contain a food (7). According to the invention, the device (1) comprises an external casing (10) within which at least one cavity (12) is defined, a wall of said external casing (10) having an opening (14) adapted to put the volume of said cavity (12) in fluid communication with the space outside said device (1), said opening (14) being hermetically closable by means of a closing element (16), said cavity (12) being provided with at least one gas detection device (9) configured to generate a signal indicative of the concentration of gases, said device (1) comprising a processing and control unit (20) in data communication with said gas detection device (9) configured to generate, on the basis of said signal indicative of the concentration of gases, a signal indicative of the type of food (7) present in said container (3) and a signal indicative of the degree of freshness of said food (7) present in said container (3), said device (1) being switchable between: - a setting configuration, in which said closing element (16) hermetically closes said opening (14) and in which said gas detection device (9) generates a signal indicative of the concentration of gases present exclusively inside said cavity (12), and - a detection configuration, in which said device (1) is at least partially inserted inside said container (3) so that said opening (14) faces the internal volume of said container (3) and in which said opening (14) is not occluded by said closing element (16) so that said cavity (12) is in fluid communication with the internal volume of said container (3), and in which said gas detection device (9) generates a signal indicative of the concentration of gases present inside said cavity (12) and inside said container (3).

IPC Classes  ?

  • G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups

4.

SPACE-SAVING DEVICE WITH AUTOMATIC OPENING FUNCTION FOR OPENING AND CLOSING A DISHWASHER DOOR

      
Application Number IB2023057830
Publication Number 2024/028787
Status In Force
Filing Date 2023-08-02
Publication Date 2024-02-08
Owner ELETTROTECNICA ROLD SRL (Italy)
Inventor
  • Rocchitelli, Stefano
  • Masi, Vito
  • Trentini, Luca
  • Lombardi, Ivano Ezio

Abstract

The present invention relates to a device (1, 1', 1") for opening and closing the door (201) of a dishwasher (200), said device (1) comprising a closing unit (50) adapted to be associated with a cross member (110), having a prevalently longitudinal extension (A), of the frame of said dishwasher (200), and being configured to accommodate a striker pin (40) associated with said door (201) of said dishwasher (200), wherein said closing unit (50) comprises a box-shaped containment body (50a, 50b) with a prevalently longitudinal axial extension (X) adapted to be installed within said cross member (110) and adapted to accommodate said striker pin (40) according to a closing movement direction along a transverse direction (Y) substantially orthogonal to the axial extension direction (X) of said box-shaped containment body (50a, 50b), wherein said box-shaped containment body (50a, 50b) accommodates within it a closing element (51) movable in rotation between a closing position in which it retains said striker pin (40), and an opening position in which it releases said striker pin (40), wherein said closing element (51) is operatively associated with an elastic element (57) acting between said closing element (51) and said containment body (50a, 50b), said device (1) further comprising a pusher (53) movable by means of an actuator (54) along said longitudinal direction (X) of said containment body (50a, 50b) and adapted to abut a striker element (51c) provided on said closing element (51), said pusher (53) being movable along said longitudinal direction (X) between a non-extended rest position and an extended operating position in which it exerts a thrust on said striker element (51c) causing the rotation in opening of said closing element (51) and the movement in opening of the pin along the transverse direction (X), wherein said containment body (50a, 50b) further comprises guide grooves (50c) within which said pin (51b) of said closing element (51) is rotatable and slideable, and wherein it further comprises detection or sensing means (52, 52', 52") with which a return spring (52a) is associated, said sensing means (52, 52', 52") being adapted to selectively close an electrical circuit (56, 56') of the appliance allowing the start of the washing cycle following the movement of said sensing means (52, 52', 52") by said striker pin (40) when said striker pin (40) is moved to the position corresponding to the closed door condition (201).

IPC Classes  ?

  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • E05C 19/02 - Automatic catches, i.e. released by pull or pressure on the wing

5.

ROLD

      
Application Number 1747940
Status Registered
Filing Date 2023-05-16
Registration Date 2023-05-16
Owner ELETTROTECNICA ROLD s.r.l. (Italy)
NICE Classes  ?
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 11 - Environmental control apparatus
  • 37 - Construction and mining; installation and repair services

Goods & Services

Components and accessories for industrial, professional and household appliances and for vending machines; couplings and transmission components (except those for land vehicles); links and transmission components for industrial, professional and household appliances and for vending machines; motorized door locks; switches as parts of industrial, professional and household appliances; door openers and door closers, electric (parts of machines and appliances); door openers and door closers, pneumatic (parts of machines and appliances). Apparatus and instruments for conducting, distributing, transforming, accumulating, regulating or controlling electricity; electromagnetic switches, electrical switches, electrical components, electronic components for integrated circuit cards; security, safety, protection and signaling locking devices; electronic locking devices; electrical, electronic, and digital closures and openers; electronic cards; microchip cards; software; electrical control systems; interactive software; application software; downloadable software applications; registered or downloadable software platforms; application software for mobile phones; assistive software; remote control and diagnostic software; data processing software; artificial intelligence software; production performance monitoring software; electrical and electronic sensors; digital sensors; measurement sensors; sensors, detectors and monitoring instruments; integrated circuit chips; electronic and microelectronic components; solenoid valves. Lighting, heating, refrigeration, cooking, ventilation, water distribution apparatus; regulating accessories for water or gas apparatus and pipes; safety accessories for water, heating or gas apparatus. Maintenance, repair, servicing and installation of electrical and electronic appliances and their accessories; replacement of parts and accessory parts (replacements) of electrical and electrical appliances; installation, maintenance, repair and servicing services of electrical appliances and their accessories.

6.

DEVICE FOR CLOSING AND OPENING HATCHES, IN PARTICULAR OF HOUSEHOLD APPLIANCES, SUCH AS DISHWASHERS OR THE LIKE

      
Application Number IB2021060151
Publication Number 2022/097026
Status In Force
Filing Date 2021-11-03
Publication Date 2022-05-12
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Masi, Vito
  • Trentini, Luca

Abstract

A device (1000) for closing and opening doors and/or hatches and/or similar components, in particular of household appliances, such as washing machines, dishwashers, and the like, said device comprising an opening and closing assembly (100) comprising an opening and closing element (8) adapted to be alternately engaged and disengaged by a backing pin (3) adapted to be firmly fixed to said hatch or door, wherein said opening and closing element (8) is switchable by rotation about a first rotation axis (A) in a first rotation direction from a first position to a second position, and in a second rotation direction, opposite to said first rotation direction, from said second position to said first position, wherein the mutual engagement by pushing of said backing pin (3) against said opening and closing element (8) results in a first switching by rotation of said opening and closing element (8) from said first position to said second position in which said backing pin (3) is retained by said opening and closing element (8), wherein said opening and closing assembly (100) comprises a locking lever (9) switchable between a first own position thereof and a second own position thereof, and wherein the switching by rotation of said opening and closing element (8) about said first rotation axis (A) from said first position to said second position results in the switching of said locking lever (9) from said first own position thereof to said second own position thereof in which it engages and locks said opening and closing element (8).

IPC Classes  ?

  • E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
  • E05B 47/06 - Controlling mechanically-operated bolts by electromagnetically-operated detents
  • E05B 63/00 - Locks with special structural characteristics
  • E05C 19/02 - Automatic catches, i.e. released by pull or pressure on the wing
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 39/14 - Doors or covers; Securing means therefor
  • E05B 17/22 - Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators

7.

DEVICE FOR CLOSING AND OPENING HATCHES, IN PARTICULAR OF HOUSEHOLD APPLIANCES, SUCH AS DISHWASHERS OR THE LIKE

      
Application Number IB2021060150
Publication Number 2022/097025
Status In Force
Filing Date 2021-11-03
Publication Date 2022-05-12
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Masi, Vito
  • Trentini, Luca

Abstract

A device (1000) for closing and opening doors and/or hatches and/or similar components, in particular of household appliances, such as washing machines, dishwashers, and the like, said device comprising an opening and closing assembly (100) comprising an opening and closing element (8) adapted to be alternately engaged and disengaged by a backing pin (3) adapted to be firmly fixed to said hatch or door, wherein said opening and closing element (8) is switchable by rotation about a first rotation axis (A) in a first rotation direction from a first position to a second position, and in a second rotation direction, opposite to said first rotation direction, from said second position to said first position, wherein the mutual engagement by pushing of said backing pin (3) against said opening and closing element (8) results in a first switching by rotation of said opening and closing element (8) from said first position to said second position in which said backing pin (3) is retained by said opening and closing element (8), wherein said opening and closing assembly (100) comprises a locking lever (9) switchable between a first own position thereof and a second own position thereof, and wherein the switching by rotation of said opening and closing element (8) about said first rotation axis (A) from said first position to said second position results in the switching of said locking lever (9) from said first own position thereof to said second own position thereof in which it engages and locks said opening and closing element (8).

IPC Classes  ?

  • E05C 19/02 - Automatic catches, i.e. released by pull or pressure on the wing
  • E05B 63/00 - Locks with special structural characteristics
  • E05B 47/06 - Controlling mechanically-operated bolts by electromagnetically-operated detents
  • E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
  • D06F 39/14 - Doors or covers; Securing means therefor
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

8.

Device for closing and opening and/or for locking and unlocking doors, in particular doors of household appliances such as washing machines or the like

      
Application Number 17087947
Grant Number 11732503
Status In Force
Filing Date 2020-11-03
First Publication Date 2022-05-05
Grant Date 2023-08-22
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Masi, Vito
  • Mauceri, Marco

Abstract

A device for closing and opening doors and/or hatches and/or similar components, in particular of household appliances such as washing machines, in particular with top loading, dishwashers and similar household appliances, said device comprising a closing and opening assembly adapted to be fixed to one of a fixed part and the hatch of a household appliance and including a closing and opening element which is adapted to be switched by translation between a first end-stop position and a second end-stop position and vice versa; wherein said device comprises a permission element which is adapted to be switched by translation between a first end-stop own position thereof and a second end-stop own position thereof and vice versa, and wherein said permission element, during the translation thereof from said first end-stop own position thereof to said second end-stop own position thereof, is adapted to be locked in a third intermediate own position thereof between said first and second end-stop own positions thereof.

IPC Classes  ?

  • E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
  • D06F 39/14 - Doors or covers; Securing means therefor
  • E05C 1/00 - Fastening devices with bolts moving rectilinearly

9.

PUMPING AND SWITCHING DEVICE AND AN APPARATUS FOR SELECTING AND SORTING FLUIDS

      
Application Number IB2020060516
Publication Number 2022/074442
Status In Force
Filing Date 2020-11-09
Publication Date 2022-04-14
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Beretta, Niccolò
  • Mansutti, Alessandro
  • Rocchitelli, Stefano

Abstract

Pumping and switching device (1) defining a containment volume (V) and comprising: a plurality of inlet openings (4) and a plurality of outlet openings (5) selectively placeable in fluid communication with the inlet openings (4); a selector device (6), arranged at least partially within the containment volume (V), rotatable in a single first predetermined rotation direction within the containment volume (V) and configured to put in fluid communication at least one inlet opening (4) and at least one outlet opening (5); and a pump (7) mounted on the selector device (6) inside the containment volume (V) and integral with the selector device (6) during the rotation in the first rotation direction. Such pump (7), comprising a rotor (12) rotatable with respect to the selector device (6) only in a second rotation direction opposite the first rotation direction, is configured to move a fluid through the inlet opening (4) and the outlet opening (5), put in fluid communication by the selector device (6). The device further comprises sensor means (100) associated with the selector device (6) and/or the pump (7), said sensor means (100) being adapted to measure: an absolute angular position of the selector device (6) within the containment volume (V); and/or an absolute angular position of the pump (7) within the containment volume (V); and/or a relative angular position between the selector device (6) and the pump (7).

IPC Classes  ?

  • F04B 43/12 - Machines, pumps, or pumping installations having flexible working members having peristaltic action
  • F04B 43/00 - Machines, pumps, or pumping installations having flexible working members
  • F04B 53/16 - Casings; Cylinders; Cylinder liners or heads; Fluid connections
  • A47L 15/44 - Devices for adding cleaning agents
  • D06F 39/02 - Devices for adding soap or other washing agents

10.

A DEVICE FOR CLOSING AND OPENING HATCHES, IN PARTICULAR HATCHES OF HOUSEHOLD APPLIANCES, SUCH AS DISHWASHERS OR THE LIKE

      
Application Number IB2021054031
Publication Number 2021/229456
Status In Force
Filing Date 2021-05-12
Publication Date 2021-11-18
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Masi, Vito
  • Trentini, Luca

Abstract

A device (1000) for opening and closing doors and/or hatches and/or similar components, in particular of household appliances, such as washing machines, dishwashers and similar household appliances, said device comprising an opening and closing assembly (100), comprising an opening and closing element (8) adapted to be engaged and disengaged alternately by a backing pin (3) adapted to be fixed rigidly to one said hatch or door, wherein said opening and closing element (8) can be rotationally switched about a first rotation axis (A) in a first rotation direction from a first position to a second position and in a second rotation direction, opposite to said first rotation direction, from said second position to said first position, wherein the mutual thrust engagement of said backing pin (3) against said opening and closing element (8) results in a first rotational switching of said opening and closing element (8) from said first position to said second position, in which said backing pin (3) is retained by said opening and closing element (8), wherein said opening and closing assembly (100) comprises a locking lever (9), which can be switched between a first position thereof and a second position thereof, and wherein the rotational switching of said opening and closing element (8) about said first rotation axis (A) from said first position to said second position results in the switching of said locking lever (9) from said first position thereof to said second position thereof, in which it engages and locks said opening and closing element (8).

IPC Classes  ?

  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 39/14 - Doors or covers; Securing means therefor
  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
  • E05B 63/00 - Locks with special structural characteristics
  • E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
  • E05B 47/06 - Controlling mechanically-operated bolts by electromagnetically-operated detents
  • E05C 3/24 - Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring-controlled in the form of a bifurcated member
  • F24C 15/02 - Doors specially adapted for stoves or ranges

11.

DEVICE FOR OPENING AND CLOSING DOORS OF HOUSEHOLD MACHINES, IN PARTICULAR WASHING MACHINES

      
Application Number IB2021051069
Publication Number 2021/161182
Status In Force
Filing Date 2021-02-10
Publication Date 2021-08-19
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Masi, Vito
  • Gallenzi, Edoardo

Abstract

A device (100) for closing and opening doors and/or hatches of household appliances (1000) such as washing machines, dishwashers and similar household appliances, said device (100) comprising a main body (110) from which an engagement portion (120) extends, adapted to be introduced through and to be removed from a through opening (1002) of a wall (1001) of said household appliance (1000), said through opening (1002) being delimited by a first substantially rectilinear edge (1003) and a second substantially rectilinear edge (1004) which is parallel to said first edge (1003), wherein said engagement portion (120) comprises an intermediate portion (121) which extends from said main body (110) and an end portion (122) which extends from said intermediate portion (121), said intermediate portion (121) being externally delimited by a first engagement surface (123) and a second end surface (124) which are opposite and parallel to the extension direction of said intermediate portion (121) from which a first contact surface (125) and a second contact surface (126), respectively, of said end portion (122) extend substantially perpendicular to said extension direction of said intermediate portion (121), and wherein said device (100) comprises a slider (200) which can translate with respect to said intermediate portion (121).

IPC Classes  ?

  • D06F 39/14 - Doors or covers; Securing means therefor
  • E05B 9/08 - Fastening the casings of latch-bolt locks or cylinder locks to the wing
  • D06F 39/12 - Casings; Tubs
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

12.

DEVICE FOR OPENING AND CLOSING A DOOR, IN PARTICULAR A DOOR FOR A HOUSEHOLD APPLIANCE FOR TREATING LAUNDRY

      
Application Number IB2020053658
Publication Number 2020/212930
Status In Force
Filing Date 2020-04-17
Publication Date 2020-10-22
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Masi, Vito
  • Mauceri, Marco

Abstract

A device (1000) for closing and opening doors and/or hatches and/or similar components, in particular of household appliances such as washing machines, in particular with top loading, dishwashers and similar household appliances, said device comprising a closing and opening assembly (100) adapted to be fixed to one of a fixed part and the hatch of a household appliance, and including a closing and opening element (110) which is switchable by translation between a first end- stop position and a second end-stop position and vice versa.

IPC Classes  ?

  • D06F 39/14 - Doors or covers; Securing means therefor
  • D06F 37/28 - Doors; Security means therefor
  • E05C 1/00 - Fastening devices with bolts moving rectilinearly

13.

DIVERTER DEVICE FOR MANAGING FLOWS OF LIQUID, IN PARTICULAR IN HOUSEHOLD APPLIANCES, SUCH AS WASHING MACHINES, DISHWASHERS OR THE LIKE

      
Application Number IB2019058069
Publication Number 2020/065510
Status In Force
Filing Date 2019-09-24
Publication Date 2020-04-02
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Mansutti, Alessandro
  • Beretta, Niccolò

Abstract

A flow diverter device (100) for handling flows of fluids, such as gases and/or liquids, in particular in household appliances, such as washing machines, dishwashers and similar household appliances, said device comprising a first tubular body (8) which defines an inner space (81) and comprises an inlet opening (82) for the introduction of said fluids into said inner space (81), and a plurality of first radial draining and delivering openings (84) for draining or delivering said fluids from said inner space (81), wherein said device (100) comprises a second tubular closing and diverting body (9) accommodated in said inner space (81), said second tubular closing and diverting body (9) comprising a plurality of second radial draining and delivering openings (91) and being switchable by rotation and positioned in a plurality of positions, each with a different radial orientation.

IPC Classes  ?

  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 39/08 - Liquid supply or discharge arrangements

14.

DEVICE FOR CLOSING AND OPENING PANELS, IN PARTICULAR PANELS OF ELECTRICAL HOUSEHOLD APPLIANCES SUCH AS WASHING MACHINES AND THE LIKE

      
Application Number IB2018059243
Publication Number 2019/102403
Status In Force
Filing Date 2018-11-23
Publication Date 2019-05-31
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Masi, Vito
  • Cali', Salvatore

Abstract

A closing and opening device (1000) for doors and/or panels and/or similar components, in particular of electrical household appliances such as washing machines, dishwashers and similar electrical household appliances, said device comprising a closing and opening assembly (100) comprising a closing and opening element (110) adapted to be alternatively engaged and disengaged by a striker latch (200) adapted to be rigidly fixed to said panel, wherein said closing and opening element (110) can be switched by rotation about a first rotation axis (A) between a first position and a second position, wherein the reciprocal engagement arising from pushing said striker latch (200) against said closing and opening element (110) results in a first switching by rotation of said closing and opening element (110) from said first position to said second position, wherein said closing and opening assembly (100) comprises a locking lever (112) which can be switched by rotation about a second rotation axis (B), and wherein the switching by rotation of said closing and opening element (110) from said first position to said second position results in the rotation of said locking lever (112) between a first position and a second position in which it engages and locks said closing and opening element (110) in said second closing position.

IPC Classes  ?

  • D06F 39/14 - Doors or covers; Securing means therefor
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • E05B 65/10 - Locks for special use for panic or emergency doors

15.

DEVICE FOR CLOSING AND OPENING HATCHES, IN PARTICULAR HATCHES OF DOMESTIC APPLIANCES SUCH AS WASHING MACHINES OR THE LIKE

      
Application Number IB2018056799
Publication Number 2019/049057
Status In Force
Filing Date 2018-09-06
Publication Date 2019-03-14
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

A closing and opening device (1000) for doors and/or hatches and/or similar components, in particular of domestic appliances such as washing machines, dishwashers and similar domestic appliances, said device comprising a closing and opening assembly (100) including a closing and opening element (110) adapted to be alternatively engaged and disengaged by a feedback bolt (200) adapted to be rigidly fixed to said hatch, where said closing and opening element (110) is switchable by rotation around a first rotation axis (A) between a first position and a second position, where the mutual engagement arising from the thrust of said feedback bolt (200) against said closing and opening element (110) results in a first switching by rotation of said closing and opening element (110) from said first position to said second position, where said closing and opening assembly (100) comprises a locking lever (112) switchable by rotation around a second rotation axis (B), and where the switching by rotation of said closing and opening element (110) from said first position to said second position results in said locking lever (112) being rotated between a first position and a second position in which it engages and locks said closing and opening element (110) in said second closing position.

IPC Classes  ?

  • E05C 3/24 - Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring-controlled in the form of a bifurcated member
  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
  • D06F 39/14 - Doors or covers; Securing means therefor

16.

DEVICE FOR CLOSING AND OPENING DOORS, IN PARTICULAR OF ELECTRICAL HOUSEHOLD APPLIANCES, SUCH AS DRYERS, WASHING MACHINES OR THE LIKE

      
Application Number IB2018054735
Publication Number 2019/003125
Status In Force
Filing Date 2018-06-27
Publication Date 2019-01-03
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

A device (100) for closing and opening doors and/or hatches and/or similar components, in particular of electrical household appliances such as washing machines, dishwashers and the like, said device (100) comprising a main unit comprising a closing and opening element (10) adapted to be engaged and disengaged alternatively by a latch or catch (11) adapted to be rigidly fixed to said door, wherein said closing and opening element (10) can be switched by rotation between a first, opening, position and a second, closing, position, wherein the mutual engagement by thrust and traction, respectively, of said catch (11) and said closing and opening element (10) results first in a first switching by rotation and translation of said closing and opening element (10) respectively from said first opening position to said second closing position and from said second closing position to said first opening position.

IPC Classes  ?

  • D06F 39/14 - Doors or covers; Securing means therefor
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • E05C 19/06 - Other devices specially designed for securing wings in which the securing part is formed or carried by a spring and moves only by distortion of the spring, e.g. snaps

17.

A DEVIATING DEVICE FOR MANAGING FLOWS OF LIQUIDS, IN PARTICULAR IN ELECTRICAL HOUSEHOLD APPLIANCES SUCH AS WASHING MACHINES, WASHERS, DISHWASHERS OR THE LIKE

      
Application Number IB2017056346
Publication Number 2018/069875
Status In Force
Filing Date 2017-10-13
Publication Date 2018-04-19
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Mansutti, Alessandro

Abstract

A flow deviating device 100 for managing flows of fluids such as gases and/or liquids, in particular in electrical household appliances such as washing machines, dishwashers and similar electrical household appliances, said device comprising a main supporting body 8 which defines an inner space 81 and comprises a delivery opening 82 for allowing said fluid to be delivered into said inner space 81, and at least one first discharge or diversion opening 85 and a second discharge or diversion opening 84 for discharging or diverting said fluid from said inner space 81, wherein said device 100 comprises a closing and deviating element 9 housed in said inner space 81 and interposed between said delivery opening 82 and said first 85 and second 84 diversion or discharge openings, said closing and deviating element 9 being switchable and positionable in at least one first position and one second position, wherein with said closing and deviating element 9 in said first position and second position, said delivery opening 82 is fluidly dynamically connected with said first 85 and second 84 diversion and discharge openings respectively.

IPC Classes  ?

  • F16K 31/53 - Mechanical actuating means with toothed gearing
  • F16K 11/085 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
  • F16K 31/04 - Operating means; Releasing devices magnetic using a motor
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 39/02 - Devices for adding soap or other washing agents

18.

DEVICE FOR CLOSING AND OPENING PANELS, IN PARTICULAR PANELS OF ELECTRICAL HOUSEHOLD APPLIANCES SUCH AS WASHING MACHINES AND THE LIKE

      
Application Number IB2017055999
Publication Number 2018/060943
Status In Force
Filing Date 2017-09-29
Publication Date 2018-04-05
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor
  • Rocchitelli, Stefano
  • Mansutti, Alessandro

Abstract

A closing and opening device for doors and/or panels and/or similar components, in particular of electrical household appliances such as washing machines, dishwashers and similar electrical household appliances, said device comprising a closing and opening assembly 20 adapted to be alternatively engaged and disengaged from a striker element 11 adapted to be rigidly fixed to a said panel, wherein said closing and opening assembly 20 comprises a first closing and opening element 5 which can be switched between a first position and a second position, said closing and opening elements 5 and striker 11 being shaped so that the reciprocal pushing action of said striker element 11 against said closing and opening assembly 20, between a first engagement and switching surface 51 and a second engagement and switching surface 111 of said closing and opening element 5 and said striker element 11, respectively, results in a first switching of said closing and opening element 5 from said first position to said second position, wherein said closing and opening element 5 can be switched by rotation.

IPC Classes  ?

  • E05C 3/16 - Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
  • E05C 3/40 - Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring-controlled with bolts engaging a stud-like keeper
  • E05B 17/00 - Accessories in connection with locks

19.

Control circuit for actuating a locking device for household appliances and device comprising said circuit

      
Application Number 15301830
Grant Number 10472858
Status In Force
Filing Date 2014-03-31
First Publication Date 2017-03-02
Grant Date 2019-11-12
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

The present invention relates to a locking device of a household appliance door comprising a circuit having a first, a second and a third connecting contacts to the household appliance, the device comprising a door locking switch, a door closing switch and an actuator arranged electrically in series with said door closing switch, at least one diode and at least one control switch on said third contact and electrically in series with said actuator. By virtue of this configuration, the locking and the unlocking of the door may be controlled by specific, different predetermined electrical pulses.

IPC Classes  ?

  • E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
  • H01F 7/06 - Electromagnets; Actuators including electromagnets
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • H01H 9/22 - Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door

20.

INTERLOCK DEVICE FOR THE CLOSING DOOR OF HOUSEHOLD APPLIANCES

      
Application Number EP2015080975
Publication Number 2016/102565
Status In Force
Filing Date 2015-12-22
Publication Date 2016-06-30
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

The present invention relates to an interlock device for the closing door of household appliances, particularly for washing machines and/or tumble dryers, of the kind suitable to detect closed and locked condition of the door, suitable to detect a condition of disassembling of the cover which contains and retains the interlock wheel for retaining the door catch and to avoid the possibility that the appliance to which it is associated is switched on in case of disassembling of the interlock wheel.

IPC Classes  ?

  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

21.

CONTROL CIRCUIT FOR ACTUATING A LOCKING DEVICE FOR HOUSEHOLD APPLIANCES AND DEVICE COMPRISING SAID CIRCUIT

      
Application Number EP2015056972
Publication Number 2015/155055
Status In Force
Filing Date 2015-03-31
Publication Date 2015-10-15
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

The present invention relates to a locking device of a household appliance door comprising a circuit having a first, a second and a third connecting contacts to the household appliance, the device comprising a door locking switch, a door closing switch and an actuator arranged electrically in series with said door closing switch, at least one diode and at least one control switch on said third contact and electrically in series with said actuator. By virtue of this configuration, the locking and the unlocking of the door may be controlled by specific, different predetermined electrical pulses.

IPC Classes  ?

  • H01H 9/22 - Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

22.

COMBINED RELEASE DOOR LOCKING DEVICE

      
Application Number EP2015055959
Publication Number 2015/140306
Status In Force
Filing Date 2015-03-20
Publication Date 2015-09-24
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

A combined release door locking (1) device is described, of the type adapted to equip a household appliance, comprising locking means (5) to reversibly retain coupling means (40) of a door of said household appliance, said locking means (5) 5 being activated in an engaging position, wherein said door is closed, and in a disengaging position, wherein said door is open, said device (1) being characterized in that it comprises a plurality of interfaces (10), operatively connected to said locking means (5), said interfaces (10) being respectively adapted to selectively receive releasing modules (30) to activate said locking 10 means (5) from said disengaging position to said engaging position.

IPC Classes  ?

  • D06F 39/14 - Doors or covers; Securing means therefor
  • D06F 37/28 - Doors; Security means therefor
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

23.

DOOR LOCKING DEVICE FOR HOUSEHOLD APPLIANCES

      
Application Number IB2015050775
Publication Number 2015/121772
Status In Force
Filing Date 2015-02-02
Publication Date 2015-08-20
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

The present invention relates to a door locking device (1) for household appliances. The device according to the present invention allows to detect a door closing or opening condition, to actuate, only with the door closed, an electromagnetic actuator (40) that triggers door locking means and a respective switch (50), and finally to detect the door locking condition. The operation of the door lock required by current safety standards is obtained here by means of an architecture of the door lock which allows to simplify the architecture of the door lock itself, in particular by reducing the connecting contacts (10, 20) with the household appliance to only two.

IPC Classes  ?

  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door

24.

Interlock mechanism for the closing door of washing machines or tumble dryers

      
Application Number 14343971
Grant Number 09469932
Status In Force
Filing Date 2011-07-20
First Publication Date 2015-08-13
Grant Date 2016-10-18
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Onofrio

Abstract

In door interlock mechanisms, used for locking the door of washing machines or fumble dryers, the closed or open state of the door of the machine is detected by reading the resistive value of a circuit in which a switch is placed in series. The interlock mechanism according to the invention envisages providing the door interlock with two contacts that make it possible to check, independently, whether the device is in the position with the door closed and locked and whether the door catch is inserted in the device. The device comprises an open-door contact, actuated in the closing position by a shaped portion of a first slider and in the opening position by a shaped portion of a second slider which, under the action of elastic means, interacts with the door catch.

IPC Classes  ?

  • B05C 9/10 - Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by groups , or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed before the application
  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
  • D06F 37/28 - Doors; Security means therefor
  • E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
  • E05B 65/00 - Locks for special use
  • E05C 1/08 - Fastening devices with bolts moving rectilinearly with latching action
  • E05C 19/00 - Other devices specially designed for securing wings

25.

DOOR LOCKING DEVICE FOR HOUSEHOLD APPLIANCES

      
Application Number IB2015050774
Publication Number 2015/114597
Status In Force
Filing Date 2015-02-02
Publication Date 2015-08-06
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

The present invention relates to a door locking device for household appliances. The device according to the present invention allows to detect a door closing or opening condition, to actuate, only with the door closed, an electromagnetic actuator that triggers door locking means and a respective switch, and finally to detect the door locking condition. The operation of the door lock required by current safety standards is obtained here by means of an architecture of the door lock which allows to simplify the architecture of the door lock itself, in particular by reducing the connecting contacts with the household appliance to only two.

IPC Classes  ?

  • H01H 9/22 - Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts

26.

Device for locking the porthole door of washing and drying machines

      
Application Number 13928685
Grant Number 09228382
Status In Force
Filing Date 2013-06-27
First Publication Date 2014-04-10
Grant Date 2016-01-05
Owner
  • ELETTROTECNICA ROLD S.R.L. (Italy)
  • ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Onofrio

Abstract

An electromagnetic door locking device for a washing machine and similar, adapted to lock a sliding cursor (30) cooperating with the end of a hook mounted on the machine porthole door through a blocking pawl (12). The device comprises two preloaded parallel and mechanically separate metal strips (16, 17), accomplishing the closing and the opening of the power circuit and of the open/closed door circuit, respectively, and that are maintained in the open position by said pawl (12) and by an actuator (13) operated by said cursor (30), when said door is open. (FIG. 1).

IPC Classes  ?

  • E05C 17/56 - Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction
  • E05C 1/08 - Fastening devices with bolts moving rectilinearly with latching action
  • A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
  • D06F 39/14 - Doors or covers; Securing means therefor

27.

Push-pull closing device

      
Application Number 13642277
Grant Number 09624699
Status In Force
Filing Date 2011-04-18
First Publication Date 2013-05-23
Grant Date 2017-04-18
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Onofrio

Abstract

The invention regards a locking device for the closing door of a washing and drying machine, constituted of a body of containment that houses a locking wheel for the door latch, subject to the action of elastic means, a sliding bolt capable of preventing the rotation of said wheel and a time-delay mechanism fitted with a locking pawl for said sliding bolt. The wheel is fitted with a cavity that presents a surface tilted with respect to the plane of rotation, so as to resolve the force it exerts on the bolt, when a pulling is exerted on the door while the device is in a closed and locked position.

IPC Classes  ?

  • E05C 1/06 - Fastening devices with bolts moving rectilinearly without latching action with operating handle or equivalent member moving otherwise than rigidly with the bolt
  • E05C 1/08 - Fastening devices with bolts moving rectilinearly with latching action
  • D06F 37/28 - Doors; Security means therefor
  • D06F 39/14 - Doors or covers; Securing means therefor
  • E05C 3/24 - Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring-controlled in the form of a bifurcated member
  • E05C 19/02 - Automatic catches, i.e. released by pull or pressure on the wing
  • E05C 3/06 - Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member moving otherwise than rigidly with the bolt
  • E05C 3/04 - Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
  • E05C 3/16 - Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
  • E05B 63/00 - Locks with special structural characteristics

28.

INTERLOCK MECHANISM FOR THE CLOSING DOOR OF WASHING MACHINES OR TUMBLE DRYERS

      
Application Number IT2011000256
Publication Number 2013/011528
Status In Force
Filing Date 2011-07-20
Publication Date 2013-01-24
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Onofrio

Abstract

In door interlock mechanisms, used for locking the door of washing machines or tumble dryers, the closed or open state of the door of the machine is detected by reading the resistive value of a circuit in which a switch is placed in series. The interlock mechanism according to the invention envisages providing the door interlock with two contacts that make it possible to check, independently, whether the device is in the position with the door closed and locked and whether the door catch is inserted in the device. The device comprises an open-door contact (15), actuated in the closing position by a shaped portion (12) of a first slider (7) and in the opening position by a shaped portion (14) of a second slider (8) which, under the action of elastic means (10), interacts with the door catch (19).

IPC Classes  ?

  • D06F 37/42 - Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door

29.

SELECTOR SWITCH WITH AUTO SWITCH -OFF FUNCTION

      
Application Number IB2011053079
Publication Number 2013/008060
Status In Force
Filing Date 2011-07-11
Publication Date 2013-01-17
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Stefano

Abstract

The present invention relates to a selector (100) for switching-on, switching-off and selection of the operating programmes of an appliance, in particular of an electrical household appliance, comprising means (20, 30, 40, 60, 70) for automatic opening of the power supply circuit at the end of the selected operating programme. The selector (100) according to the present invention is characterized in that it integrates an auto switch-off function, on special command of the control electronics of the machine, directed at safety and energy saving, while also maintaining the functions of manual setting of the operating programme and of manual switching on and off.

IPC Classes  ?

  • H01H 19/58 - Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
  • H01H 1/26 - Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
  • H01H 3/28 - Power arrangements internal to the switch for operating the driving mechanism using electromagnet
  • H01H 3/42 - Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
  • H01H 3/50 - Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
  • H01H 3/52 - Driving mechanisms, i.e. for transmitting driving force to the contacts with means to ensure stopping at intermediate operative positions
  • H01H 19/11 - Movable parts; Contacts mounted thereon with indexing means

30.

PUSH-PULL CLOSING DEVICE

      
Application Number IT2011000120
Publication Number 2011/132213
Status In Force
Filing Date 2011-04-18
Publication Date 2011-10-27
Owner ELETTROTECNICA ROLD S.R.L. (Italy)
Inventor Rocchitelli, Onofrio

Abstract

The invention regards a locking device for the closing door of a washing and drying machine, constituted of a body of containment (1) that houses a locking wheel (3) for the door latch, subject to the action of elastic means (4), a sliding bolt (5) capable of preventing the rotation of said wheel (3) and a time-delay mechanism fitted with a locking pawl for said sliding bolt (5). The wheel (3) is fitted with a cavity (10) that presents a surface (11) tilted with respect to the plane of rotation, so as to resolve the force it exerts on the bolt (5), when a pulling is exerted on the door (1) while the device is in a closed and locked position.

IPC Classes  ?

  • E05C 19/02 - Automatic catches, i.e. released by pull or pressure on the wing
  • D06F 39/14 - Doors or covers; Securing means therefor
  • E05C 3/24 - Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring-controlled in the form of a bifurcated member