A support base for a tilting seat having a coupling body, a support body having a central portion, and a plurality of flexible components that are structurally separable and elastically yielding is provided. The flexible components are arranged between the coupling body and the central portion and meet in compression according to oscillations of a piston rod of the tilting seat.
A47C 3/026 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame with a central column, e.g. rocking office chairsTilting chairs
F16M 11/22 - Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
2.
AN OSCILLATION MECHANISM FOR A CHAIR OR AN ARMCHAIR
The invention relates to an oscillation mechanism (6) for a chair or an armchair (1) comprising a seat (2) and a backrest (4). The oscillation mechanism (6) comprises: i) a functional body (3), hingeable to the seat (2) and/or the backrest (4), having at least one flexible functional portion (15) that is elastically deformable; ii) an adjustment device (5) comprising a movable engagement member (38), and an auxiliary portion (33) connected to the at least one flexible functional portion (15) having a free end (37); The adjustment device (5) may be configured in: - a high- flexibility configuration, in which the auxiliary portion (33) is configured in a cantilever fashion; and - a reduced flexibility configuration, in which the movable engagement member (38) engages the free end (37), so that the auxiliary portion (33) bends elastically, e.g., under flexion, together with the at least one flexible functional portion (15).
A47C 1/032 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest
A47C 3/025 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame
A47C 3/026 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame with a central column, e.g. rocking office chairsTilting chairs
3.
AN OSCILLATION MECHANISM FOR A CHAIR OR AN ARMCHAIR
The invention relates to an oscillation mechanism (6) for a chair or an armchair (1) comprising a seat (2) and a backrest (4). The oscillation mechanism (6) comprises: i) a functional body (3), hingeable to the seat (2) and/or the backrest (4), having at least one flexible functional portion (15) that is elastically deformable; ii) an adjustment device (5) comprising a movable engagement member (38), and an auxiliary portion (33) connected to the at least one flexible functional portion (15) having a free end (37); The adjustment device (5) may be configured in: - a high- flexibility configuration, in which the auxiliary portion (33) is configured in a cantilever fashion; and - a reduced flexibility configuration, in which the movable engagement member (38) engages the free end (37), so that the auxiliary portion (33) bends elastically, e.g., under flexion, together with the at least one flexible functional portion (15).
A47C 1/032 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest
A47C 3/025 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame
A47C 3/026 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame with a central column, e.g. rocking office chairsTilting chairs
An oscillation mechanism for a seat or a backrest of a chair or of an armchair is provided. The oscillation mechanism has a seat coupling, a backrest coupling, and a functional body made in a single piece of plastic material and consisting of a flexible unit portion, the functional body being elastically deformable by bending for the oscillation of the seat and of the backrest.
A47C 1/032 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest
A47C 1/033 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest the coupling member being a flexible strip
A support base for a tilting seat having a coupling body, a support body having a central portion, and a plurality of flexible components that are structurally separable and elastically yielding is provided. The flexible components are arranged between the coupling body and the central portion and meet in compression according to oscillations of a piston rod of the tilting seat.
A47C 3/026 - Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame with a central column, e.g. rocking office chairsTilting chairs
F16M 11/22 - Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
An oscillation mechanism (6) for a chair or armchair comprises a functional body (40) having at least one flexible unit portion, which is elastically deformable in bending for the oscillation of the seat and backrest.
An oscillation mechanism (6) for a chair or armchair comprises a functional body (40) having at least one flexible unit portion, which is elastically deformable in bending for the oscillation of the seat and backrest.
A support base (1, 1') for a tilting seat, such as a stool, a chair or an armchair, comprises a coupling body (50, 50'), a support body (2, 2') having a central portion (2a, 2a'), and a plurality of flexible components (20, 20') which are structurally separable and elastically yielding. The flexible components are arranged between the coupling body (50, 50') and the central portion (2a, 2a') and meet in compression according to the oscillations of the piston rod (S, S') of the seat.
A chair assembly (1) of a chair or an armchair comprises a seat body (2), a backrest body (6), a locking and adjustment device (4), and a backrest support (10). The backrest support (10) is engaged with an articulated parallelogram that allows the position of the backrest body (6) to be changed while keeping it parallel to itself. The backrest support (10) further comprises spring return means.
A47C 7/40 - Supports for the head or the back for the back
A47C 7/44 - Supports for the head or the back for the back with elastically-mounted frame
A47C 1/027 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination by means of clamps or friction locking members
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
An armchair (1) comprises a seat (10), a backrest (12), an adjusting device (14) and a pair of armrest groups (30). Each armrest group comprises a shank (32) and an armrest (34) slidably engaged, wherein the shank (32) comprises a sliding portion (40) hinged along the axis of rotation (A) of the backrest (12). The sliding portion (40) defines, together with a guide (38) of the armrest (34), a circular sliding trajectory passing through the axis of rotation (A) of the backrest (12).
A47C 1/026 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination by means of a peg-and-notch or pawl-and-ratchet mechanism
A47C 1/03 - Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
A47C 1/032 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Metal mechanisms for chairs; Metal mechanisms for office furniture; Metal mechanisms for regulating the high and inclination of seats and chair backs; Metal components for chair mechanisms; Metal components for chairs; Metal components for office furniture; Metal supports for chairs; Metal plates for chairs; Metal devices for regulating the height and inclination of seats and chair backs. Mechanisms, not of metal, for chairs; Mechanisms, not of metal, for office furniture; Mechanisms, not of metal, for regulating the height and inclination of seats and chair backs; Components, not of metal, for chair mechanisms; Components, not of metal, for chairs; Components, not of metal, for office furniture; Supports, not of metal, for chairs; Plates, not of metal, for chairs; Office furniture; Devices, not of metal, for regulating the height and inclination of seats and chair backs.
A chair assembly (1) of a chair or an armchair comprises a seat body (2), a backrest body (6), a locking and adjustment device (4), and a backrest support (10). The backrest support (10) is engaged with an articulated parallelogram that allows the position of the backrest body (6) to be changed while keeping it parallel to itself. The backrest support (10) further comprises spring return means.
A47C 7/40 - Supports for the head or the back for the back
A47C 1/027 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination by means of clamps or friction locking members
18.
Mechanism for changing the tilt of the backrest having regard to the seat of a chair
A mechanism for adjusting the seat of a chair as a result of changing the tilt of the backrest with respect to the seat is provided. The mechanism has a backrest frame and a base frame, as well as a covering element stably combined with the base frame and forming part of the seat. The backrest frame is rotatably constrained to the base frame around a respective rotation axis and tilting with respect to the seat between a position (P1) of minimum tilt and a position (P2) of maximum tilt. Advantageously, the covering element is partially elastically deformable, with the mechanism having deforming means operated by the backrest frame in order to reversibly deform, in the vertical direction, when the covering element as a function of the tilt angle with backrest frame has reached with respect to the position (P1) of minimum tilt.
A47C 7/00 - Parts, details, or accessories of chairs or stools
A47C 7/14 - Seat parts of adjustable shapeSeat parts elastically mounted
A47C 1/032 - Reclining or easy chairs having coupled adjustable supporting parts the parts being movably-coupled seat and back-rest
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Stands and mechanisms of metal for office furniture; Furniture casters of metal. Office furniture; Furniture parts; Seats; Easy chairs; Office armchairs; Armrests for chairs, seats and armchairs; Pedestals, posts and bases for wheeled chairs, seats and armchairs; Rollers [casters], not of metal.
A device for adjusting the tilt of a chair backrest having a backrest frame rotatable with respect to the base frame of the chair is provided. The device includes elastic means for returning the backrest and/or countering the rotation thereof, in addition to means for controlling the preload of the elastic means. The means for controlling the preload include at least one first connecting rod and at least one first crank. The first connecting rod is hinged to the first crank and constrained to the elastic means so as to move the point of application of the returning and/or countering force with respect to the backrest. Adjusting means to adjust the position of the first crank determine at least two distinct stable positions of the first crank corresponding to two distinct positions of the mentioned point of application of the returning and/or countering force with respect to the base frame.
Mechanism (1) for adjusting the seat of a chair as a result of changing the tilt of the backrest with respect to said seat, of the type comprising a backrest frame (2) and a base frame (3), as well as at least one covering element (5) stably combined with said base frame (3) and forming at least part of said seat, said backrest frame (2) being rotatably constrained to said base frame (3) around a respective rotation axis and tilting with respect to the seat between a position (P1) of minimum tilt and a position (P2) of maximum tilt. Advantageously, said at least one covering element (5) is at least partially elastically deformable, said mechanism comprising deforming means (4) operated by said backrest frame (2) in order to reversibly deform, at least in the vertical direction, said covering element (5) as a function of the tilt angle said backrest frame (2) has reached with respect to said position (P1) of minimum tilt.
A47C 7/14 - Seat parts of adjustable shapeSeat parts elastically mounted
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
22.
DEVICE FOR SYNCHRONIZING THE TILT OF THE BACKREST AND THE SEAT OF A CHAIR
Device for synchronizing the tilt of the backrest and of the seat of a chair, of the type comprising a frame (1) of the backrest, a frame (4) of the seat (2) and a support integral with the base of said chair, as well as a first crank (3), integral with said backrest frame, and hinged in the rear portion of said seat frame and said support, and at least one second crank (5) hinged in the front portion of said seat frame (4) and to said support. The first crank (3) and the second crank (5) form, together with the seat frame, a four-bar linkage (3, 4, 5). An adjusting lever (6) is constrained to the four-bar linkage (3, 4, 5) and is further operatively connected to a movable fulcrum (7) and elastic means (8).
According to the present invention, a device for adjusting the tilt of a chair backrest having a backrest frame rotatable with respect to the base frame of the chair, comprises elastic means for returning the backrest and/or countering the rotation thereof, in addition to means for controlling the preload of the elastic means. The means for controlling the preload comprise at least one first connecting rod and at least one first crank. The first connecting rod is hinged to the first crank and constrained to the elastic means such as to move the point of application of the returning and/or countering force with respect to the backrest. Adjusting means to adjust the position of the first crank determine at least two distinct stable positions of the first crank corresponding to two distinct positions of the mentioned point of application of the returning and/or countering force with respect to the base frame.
According to the present invention, a device for adjusting the tilt of a chair backrest having a backrest frame rotatable with respect to the base frame of the chair, comprises elastic means for returning the backrest and/or countering the rotation thereof, in addition to means for controlling the preload of the elastic means. The means for controlling the preload comprise at least one first connecting rod and at least one first crank. The first connecting rod is hinged to the first crank and constrained to the elastic means such as to move the point of application of the returning and/or countering force with respect to the backrest. Adjusting means to adjust the position of the first crank determine at least two distinct stable positions of the first crank corresponding to two distinct positions of the mentioned point of application of the returning and/or countering force with respect to the base frame.
Device for synchronizing the tilt of the back and the seat of a chair, of the type comprising a back frame, a seat frame and a support constrained to, or coincident with, the base of the chair, as well as at least one first crank hinged to the support and a front portion of the seat frame, and at least one second crank hinged to the support and a rear portion of the seat frame, so that the afore said at least one first and one second crank constitute a four-bar linkage with the seat frame. Advantageously, the device provides that the back frame is integral with the afore said at least one first crank.
Device for synchronizing the tilt of a chair back and seat, of the type comprising a frame of the chair back (5), a frame of the seat (2) and a support (1) integral with the base of the chair, as well as at least one first crank (3), integral with the afore said frame of the chair back (5), and hinged (6, 7) at the rear to the frame of the seat (2) and to the support (1), and at least one second crank (4), hinged (8, 9) at the front to the frame of the seat (2) and to the support (1). The afore said first crank (3) and the second crank (4), with the frame of the seat (2), determine a articulated quadrilateral, wherein such a first crank (3) and such a second crank (4) lie substantially on skew lines.
The device comprises a back frame (13), a seat frame (2) and a support (5) constrained to, or coincident with, the base (14) of the chair, as well as at least one first crank (3) hinged (6, 7) to the support (5) and to a front portion (2f) of the seat frame (2), and at least one second crank (4) hinged (8, 9) to the support (5) and to a rear portion (2r) of the seat frame (2), the at least one first and one second crank (3, 4) constitute a four ¨ bar linkage with the seat frame (2). The device (1) is characterized in that said back frame (13) is integral with said at least one first crank (3).
Device (1 ) for synchronizing the tilt of the back and the seat of a chair, of the type comprising a back frame (13), a seat frame (2) and a support (5) constrained to, or coincident with, the base (14) of the chair, as well as at least one first crank (3) hinged (6, 7) to the support (5) and a front portion (2f) of the seat frame (2), and at least one second crank (4) hinged (8, 9) to the support (5) and a rear portion (2r) of the seat frame (2), so that the afore said at least one first and one second crank (3, 4) constitute a four - bar linkage with the seat frame (2). Advantageously, the device (1 ) provides that the back frame (13) is integral with the afore said at least one first crank (3).
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
(1) Office furniture and its parts; office chairs, elbow chairs, armchairs and their parts; regulating mechanisms for office chairs, arm of chairs, elbowchairs and arm chairs; pedestals, uprights and bases for chairs, elbowchairs and armchairs, adapted for wheels; non-metallic wheels for furniture; hardware in general, including casters.
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Supports and regulating mechanisms of metal for office
furniture; wheels of furniture of metal. Office furniture and its parts, office chairs, elbow chairs,
armchairs and their parts, arms of chairs, elbow chairs and
armchairs, pedestals, uprights and bases for chairs, elbow
chairs and armchairs, adapted for wheels, wheels for
furniture not of metal.
35.
OPERATING CRANK FOR AN ADJUSTMENT DEVICE FOR CHAIRS OR OTHER SEATING MEANS
Activating crank for at least one adjusting device of a seating means, of the type comprising a driving element (1 ), mainly having an axial development, translatingly moveable, relatively to an outer housing (2), between a non- operative position, not drawn out from the outer housing (2), and at least one operative position, drawn out at least partially from the outer housing (2). The driving element (1) is also rotatable relatively to the afore said outer housing (2), and activates the adjustment device during its rotation only. The crank further comprises elastic means (5) for returning the driving element (1 ) towards said non-operative position.
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
F16H 25/12 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation along the axis of rotation, e.g. gearings with helical grooves and automatic reversal
36.
DEVICE FOR SYNCHRONIZING THE TILT OF A CHAIR BACK AND SEAT
Device for synchronizing the tilt of a chair back and seat, of the type comprising a frame of the chair back (5), a frame of the seat (2) and a support (1) integral with the base of the chair, as well as at least one first crank (3), integral with the afore said frame of the chair back (5), and hinged (6, 7) at the rear to the frame of the seat (2) and to the support (1), and at least one second crank (4), hinged (8, 9) at the front to the frame of the seat (2) and to the support (1). The afore said first crank (3) and the second crank (4), with the frame of the seat (2), determine a articulated quadrilateral, wherein such a first crank (3) and such a second crank (4) lie substantially on skew lines.
Device for synchronizing the tilt of a chair back and seat, of the type comprising a frame of the chair back (5), a frame of the seat (2) and a support (1) integral with the base of the chair, as well as at least one first crank (3), integral with the afore said frame of the chair back (5), and hinged (6, 7) at the rear to the frame of the seat (2) and to the support (1), and at least one second crank (4), hinged (8, 9) at the front to the frame of the seat (2) and to the support (1). The afore said first crank (3) and the second crank (4), with the frame of the seat (2), determine a articulated quadrilateral, wherein such a first crank (3) and such a second crank (4) lie substantially on skew lines.
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Supports and regulating mechanisms of metal for office furniture; wheels of furniture of metal Office furniture and its parts, office chairs, elbow chairs, armchairs and their parts, arms of chairs, elbow chairs and armchairs, pedestals, uprights and bases for chairs, elbow chairs and armchairs, adapted for wheels, wheels for furniture not of metal
39.
A MECHANISM FOR ADJUSTING THE PRE-LOAD OF A STIFFENING SPRING FOR SEATS
Mechanism for regulating the preload of at least a stiffening spring (3) for a revolving element (2) with respect to at least a support frame (1) of a seating device, of the type comprising a mobile striker (7) for on end of said at least one spring (3), connected to said revolvin element (2), and a regulating cursor (6, 10), onto which the other en of said at least one spring (3) rests, said regulating cursor (6, 10) bein conceived to slide along a rod-shaped guide element (4) characterised in that said rod-shaped guide element (4) is connected at one end thereof, in a sliding manner, to said mobile striker (7), and i is also integrally fixed to said support frame (1).
A device for adjusting the elastic force exerted by a plurality of springs, wherein there are provided main springs (20) and auxiliary springs (30) connected to two mutually movable structures (10,41). There are provided means for operatively coupling or uncoupling the connection of the free end of one or more of the auxiliary springs (30) with respect to at least one of the structures (10,41).
A47C 1/026 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination by means of a peg-and-notch or pawl-and-ratchet mechanism
41.
DEVICE FOR ADJUSTING THE TILT OF A BACKREST OR SEAT OF A CHAIR
Device (1) for adjusting the tilt of at least one movable component of a chair, of the type comprising at least one cam (16, 17), constrained in a rotation manner to a bracket (2), and at least one follower (15) constrained in a sliding manner on the profile (23) of said cam, the movable component being integral with the follower and the bracket being fixed with respect to the follower or vice versa. The device furthermore comprises means (13, 18) to constrain the follower to the bracket, the above-mentioned means (13, 18) and the above-mentioned cam (16, 17) being configured so that the constraint reaction of the follower on the cam is substantially always directed towards the centre of instantaneous rotation of the latter.
A47C 1/024 - Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination
Synchronisation mechanism for chairs or armchairs, of the type provided with a base (1), on which at least one seat frame (2) and at least one backrest frame (3) are hinged, at least one stiffening spring (4) positioned between the base and the backrest frame, in addition to a device for adjusting the stiffness of the above-mentioned spring comprising means (5, 6, 7, 8, 9, 10) to move one end (15) of the spring with respect to its other end (16). The above-mentioned means to move one end of the spring with respect to its other end comprise at least one cam element (5) hinged (6) to the base, so that the cam element acts, directly or indirectly, on the end (15) to be moved of the spring, the other end (16) of the spring being linked to the backrest frame.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
10 - Medical apparatus and instruments
20 - Furniture and decorative products
Goods & Services
(1) Office furniture and its parts; office chairs, small armchairs and armchairs and their parts; arms for chairs, small armchairs and armchairs; bases, pedestals and uprights for chairs, small armchairs and armchairs with casters; furniture casters, not of metal; stands and gears of metal for office furniture; furniture casters of metal.
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Supports and mechanisms of metal for office furniture; metal
furniture casters. Office furniture and parts thereof; chairs, small armchairs
and office chairs and parts thereof; armrests for chairs,
small armchairs and armchairs; pedestals, posts and bases
for chairs, small armchairs and armchairs adapted for
casters; non-metallic furniture casters.
06 - Common metals and ores; objects made of metal
20 - Furniture and decorative products
Goods & Services
Supports and mechanisms of metal for office furniture; wheels of furniture of metal. Office furniture and its parts, office chairs, elbowchairs, armchairs and their parts; arm of chairs, elbowchairs and armchairs, pedestals, uprights and bases for chairs, elbowchairs and armchairs, adapted for wheels; wheels for furniture not of metal.
