A dashpot comprising a housing; a closed cylinder cavity filled with hydraulic fluid; a slideable piston within the housing and dividing the closed cylinder cavity into a high pressure compartment and a low pressure compartment; a one-way fluid passage allowing fluid flow from the low pressure compartment to the high pressure compartment when the dashpot is being opened; a first restricted fluid passage determining a closing speed of the dashpot; and a mechanism for compensating temperature-induced viscosity changes of the hydraulic fluid. The compensation mechanism comprises: a second restricted fluid passage and a needle valve comprising: an elongated body whose a length is temperature dependent. The tip of the needle valve has a shape so that fluid flow along the second restricted fluid passage is always possible.
E05F 3/10 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
2.
A HYDRAULICALLY DAMPED HINGE AND A METHOD OF ASSEMBLING THE SAME
A hydraulically damped hinge comprising: a first hinge member (5) having a cylinder barrel (17) forming a first knuckle of the hinge; a second hinge member (6) pivotably mounted on the first hinge member (5) and comprising a second and third knuckle (20, 21) which are situated at opposing ends (22, 23) of the cylinder barrel (17); a torsion spring (79) within a double-wall portion of the cylinder barrel (17) and having a first extremity connected to the first hinge member (5) and a second extremity (81); a dashpot within the cylinder barrel (17); and a rotatable tensioning element (83) within the double-wall portion of the cylinder barrel (17) and fixed to the second knuckle (20) and to the second extremity (81) of the torsion spring (79). The rotatable tensioning clement (83) allows tensioning the torsion spring (79) during assembly of the hinge. Placement of the rotatable tensioning element (83) avoids needing to provide a recess in the second knuckle (20) thereby improving the overall strength of the second hinge member (6).
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
E05F 1/12 - Mechanisms in the shape of hinges or pivots, operated by springs
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
A fixture set for fixing an accessory to a wall. The fixture set comprises: a bolt (5); a splitter (6); an integrally formed metal anchor (7) configured to be screwed to the bolt; and a securing ring (2) disposed adjacent the anchor facing the splitter and being irrotatable with respect to the anchor. The splitter and/or the anchor comprise at least two wedge surfaces (13) for expanding radially expandable arms (20) of the anchor to lock a free end of the arms against the wall. The securing ring forms, in use, a friction fit between the bolt and the anchor or the splitter for preventing the unintentional separation of the bolt.
A lock having a reversible latch bolt, wherein the latch bolt comprises a reversing mechanism, the reversing mechanism being arranged to rotate the tip with respect to the main body over 180° along the door width direction from a first angular position to a second angular position, wherein the reversing mechanism comprises a proximal portion of the tip opposite to the distal portion of the tip wherein the proximal portion is arranged to fit inside a receiving portion of the main body and wherein the receiving portion of the main body and the proximal portion of the tip respectively form a female and male cylindrical part such that the tip can be rotated between the first and second angular positions whilst residing in the receiving portion of the main body, the reversing mechanism further comprising a second spring, biased to maintain the tip in the first or second angular position when the tip is respectively in the first or second angular position, and the reversing mechanism comprising a cam and follower assembly, wherein the proximal portion of the tip comprises the cam, wherein the cam is arranged to cooperate with the follower upon rotation of the tip between the first and second angular position, wherein the relative movement of the cam and the follower upon rotation of the tip out of the first or second angular positions loads the second spring and wherein the relative movement of the cam and the follower upon rotation of the tip into the first or second angular positions unloads the second spring.
E05C 1/12 - Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
5.
A MAGNETIC LATCH FOR FASTENING A HINGED CLOSURE MEMBER TO A SUPPORT
A magnetic latch for fastening a closure member to a support comprising a latch assembly and a keeper assembly. The latch assembly comprises: a frame (70); a latch bolt (14) moveable between a latching position and a retracted position along a horizontal direction; and a latch bolt operating mechanism configured to move the latch bolt from its latching position to its retracted position. The latch bolt moved into its latching position by magnetic attraction. The latch bolt operating mechanism comprises an operation lever (91) and a support lever (92) both of which have a first part pivotally connected to the frame and a second part connected to the latch bolt. The latch bolt is suspended by the operation lever and the support lever and is swingable between its latching position and its retracted position.
A dashpot comprising: a closed cylinder cavity and a damper shaft (24) which are rotatable with respect to one another; a piston (47) which is slideable between two extreme positions; and a motion converting mechanism to convert the relative rotation between the cylinder barrel (17) and the damper shaft (24) into a sliding motion of the piston (47). The motion converting mechanism comprises two co-operating screw threads, one (58) being provided on an outer wall of the piston (47) and the other one being provided on an inner wall of the cylinder barrel (17) or on an inner wall of a plastic tubular element fixed to the cylinder barrel. By providing the screw thread (58) on the outside of the piston (47), the diameter of the screw thread (58) is increased thereby increasing its lead and thus causing a higher volume of hydraulic fluid to be displaced during operation of the dashpot.
A hinge comprising: a first hinge member (110) comprising a cylinder barrel (117) having a longitudinal direction (118); a second hinge member (111) pivotably mounted on the first hinge member (110); and a dashpot interposed between said hinge members (110, 111) and configured for damping a closing movement of said closure member. The dashpot comprises a closed cylinder cavity formed within the cylinder barrel (117); a damper shaft (124) which extends into the cylinder cavity and is connected to the second hinge member (111); and a piston (147) within said cylinder cavity. The hinge members (110, 111) are made of a synthetic material and the damper shaft (124) is made of metal.
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/12 - Special devices controlling the circulation of the liquid, e.g. valve arrangement
8.
A HYDRAULICALLY DAMPED HINGE AND A METHOD OF ASSEMBLING THE SAME
A hydraulically damped hinge comprising: a first hinge member (5) having a cylinder barrel (17) forming a first knuckle of the hinge; a second hinge member (6) pivotably mounted on the first hinge member (5) and comprising a second and third knuckle (20, 21) which are situated at opposing ends (22, 23) of the cylinder barrel (17); a torsion spring (79) within a double-wall portion of the cylinder barrel (17) and having a first extremity connected to the first hinge member (5) and a second extremity (81); a dashpot within the cylinder barrel (17); and a rotatable tensioning element (83) within the double-wall portion of the cylinder barrel (17) and fixed to the second knuckle (20) and to the second extremity (81) of the torsion spring (79). The rotatable tensioning element (83) allows tensioning the torsion spring (79) during assembly of the hinge. Placement of the rotatable tensioning element (83) avoids needing to provide a recess in the second knuckle (20) thereby improving the overall strength of the second hinge member (6).
A lock having a reversible latch bolt, wherein the latch bolt comprises a reversing mechanism, the reversing mechanism being arranged to rotate the tip with respect to the main body over 180° along the door width direction from a first angular position to a second angular position, wherein the reversing mechanism comprises a proximal portion of the tip opposite to the distal portion of the tip wherein the proximal portion is arranged to fit inside a receiving portion of the main body and wherein the receiving portion of the main body and the proximal portion of the tip respectively form a female and male cylindrical part such that the tip can be rotated between the first and second angular positions whilst residing in the receiving portion of the main body, the reversing mechanism further comprising a second spring, biased to maintain the tip in the first or second angular position when the tip is respectively in the first or second angular position, and the reversing mechanism comprising a cam and follower assembly, wherein the proximal portion of the tip comprises the cam, wherein the cam is arranged to cooperate with the follower upon rotation of the tip between the first and second angular position, wherein the relative movement of the cam and the follower upon rotation of the tip out of the first or second angular positions loads the second spring and wherein the relative movement of the cam and the follower upon rotation of the tip into the first or second angular positions unloads the second spring.
A magnetic latch for fastening a closure member to a support. The magnetic latch comprises a latch bolt assembly comprising: a first elongated housing configured to be mounted with its rear side facing either the closure member or the support; a second housing connected to and positioned underneath the first housing, the second housing being rotatable with respect to the first housing around the vertical direction between a first rotational position in which the latch bolt assembly is operable for a right-handed closure member and a second rotational position in which the latch bolt assembly is operable for a left-handed closure member; and a latch bolt mounted in the second housing. The different rotational positions of the second housing allow using a horizontally moveable latch bolt while retaining a symmetrical placement on the closure system irrespective of the handedness of the closure member.
E05C 19/16 - Devices holding the wing by magnetic or electromagnetic attraction
E05C 1/00 - Fastening devices with bolts moving rectilinearly
E05C 1/16 - Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially in a plane substantially parallel to the wing
A mounting assembly comprising: a bracket; a mounting part; and a height adjustment mechanism to vary the position of the mounting part with respect to the bracket in the vertical direction. The height adjustment mechanism comprises: a set of interlocking elements; an arm connected to the bracket and having a protrusion that is moveable in a depth direction with respect to the bracket between a retracted position and a locking position in which the free end interlocks with an interlocking element; and at least one set screw extending along the vertical direction. Rotating the set screw moves the set screw in the vertical direction and pushes the protrusion from its retracted position to its locking position.
A magnetic latch for fastening a closure member to a support comprising a latch assembly and a keeper assembly. The latch assembly comprises: a frame (70); a latch bolt (14) moveable between a latching position and a retracted position along a horizontal direction; and a latch bolt operating mechanism configured to move the latch bolt from its latching position to its retracted position. The latch bolt moved into its latching position by magnetic attraction. The latch bolt operating mechanism comprises an operation lever (91) and a support lever (92) both of which have a first part pivotally connected to the frame and a second part connected to the latch bolt. The latch bolt is suspended by the operation lever and the support lever and is swingable between its latching position and its retracted position.
A magnetic latch for fastening a closure member to a support. The magnetic latch comprises a keeper assembly including a magnet and a latch bolt assembly having: an elongated frame (32); a latch bolt (14) moveable between a latching position and a retracted position; a latch bolt biasing member urging the latch bolt into its retracted position; and a latch bolt operating mechanism configured to move the latch bolt from its latching position to its retracted position against a magnetic attraction. The latch bolt operating mechanism comprises: an effort link rod (37); a load link rod (34); and a second-order lever (35) interposed between the effort link rod and the load link rod. The second-order lever reduces the force required to operate the latch bolt operating mechanism thus allowing for an increased magnetic attraction of the latch bolt towards the magnet in the keeper assembly.
E05C 19/16 - Devices holding the wing by magnetic or electromagnetic attraction
E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
E05C 1/00 - Fastening devices with bolts moving rectilinearly
E05C 1/08 - Fastening devices with bolts moving rectilinearly with latching action
E05C 1/10 - Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member rigid with the latch
E05C 1/16 - Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially in a plane substantially parallel to the wing
A magnetic latch for fastening a closure member to a support. The magnetic latch comprises a latch bolt assembly having: an elongated frame (32); a latch bolt moveable between a latching position and a retracted position; a latch bolt operating mechanism having a driving part (36) which is moveable between a rest position and an actuated position; and a locking mechanism to lock the driving part in its rest position. The locking mechanism comprises: a key actuated cylinder (51) having a rotary driving bit (52) and a locking member (54, 59, 61) mounted on the frame and moveable between an unlocking position in which the driving part is moveable, and a locking position in which, when the driving part is in its rest position, it locks the driving part in its rest position, the rotary driving bit being arranged to engage the locking member.
E05C 3/22 - 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
15.
A HYDRAULICALLY DAMPED HINGE FOR HINGING A CLOSURE MEMBER TO A SUPPORT
A hinge comprising: a first hinge member (110) comprising a cylinder barrel (117) having a longitudinal direction (118); a second hinge member (111) pivotably mounted on the first hinge member (110); and a dashpot interposed between said hinge members (110, 111) and configured for damping a closing movement of said closure member. The dashpot comprises a closed cylinder cavity formed within the cylinder barrel (117); a damper shaft (124) which extends into the cylinder cavity and is connected to the second hinge member (111); and a piston (147) within said cylinder cavity. The hinge members (110, 111) are made of a synthetic material and the damper shaft (124) is made of metal.
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/12 - Special devices controlling the circulation of the liquid, e.g. valve arrangement
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
16.
A DASHPOT FOR DAMPING A CLOSING MOVEMENT OF A CLOSURE SYSTEM
A dashpot comprising: a closed cylinder cavity and a damper shaft (24) which are rotatable with respect to one another; a piston (47) which is slideable between two extreme positions; and a motion converting mechanism to convert the relative rotation between the cylinder barrel (17) and the damper shaft (24) into a sliding motion of the piston (47). The motion converting mechanism comprises two co-operating screw threads, one (58) being provided on an outer wall of the piston (47) and the other one being provided on an inner wall of the cylinder barrel (17) or on an inner wall of a plastic tubular element fixed to the cylinder barrel. By providing the screw thread (58) on the outside of the piston (47), the diameter of the screw thread (58) is increased thereby increasing its lead and thus causing a higher volume of hydraulic fluid to be displaced during operation of the dashpot.
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/12 - Special devices controlling the circulation of the liquid, e.g. valve arrangement
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
E05F 3/14 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with fluid brakes of the rotary type
E05F 5/00 - Braking devices, e.g. checks; Stops; Buffers
A fixture set for fixing an accessory to a wall includes a bolt; a splitter having a sleeve portion and a wedge portion; and a metal anchor configured to be screwed to the bolt and having radially expandable arms configured to slide along surfaces of the wedge portion when the anchor is urged to slide in a first direction. The arms have a free end configured to lock the anchor against the wall upon radial expansion of the arms. The splitter has a catch situated entirely within minimum bounding cylinder of the sleeve portion. The free end of a respective arm is barbed and configured to be caught in the catch when the anchor is urged to slide in a second direction, opposite to the first direction, after having slid the anchor onto the splitter in the first direction with the barbed free end having passed the catch.
F16B 13/08 - Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device without further manual operation
A hydraulically damped actuator closes a hinged closure system. The actuator includes an energy storing mechanism that stores energy when the closure system is being opened and restores the energy to effect closure of the closure system. A hydraulic damping mechanism damps the closing movement of the closure system. The actuator further includes a tubular cylinder barrel with first and a second ends and a rotatable shaft with first and a second extremities. The shaft extends through the tubular cylinder barrel. Both extremities of the shaft are available to be connected with a mechanical connector that transfers rotation of the closure system to the shaft, which allows the actuator to be mounted in two opposing orientations depending on the handedness of the closure system.
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
E05F 3/12 - Special devices controlling the circulation of the liquid, e.g. valve arrangement
E05F 3/10 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
A hydraulically damped actuator suitable for closing a hingedly connected closure system includes a tubular cylinder barrel, an energy storing mechanism for storing energy when the closure system is being opened and for restoring the energy to close the closure system, and a hydraulic damping mechanism for damping a closing movement of the closure system. The damping mechanism has a closed cylinder cavity that is partly formed by a collar that is integrally formed with the tubular cylinder barrel, a guiding element that is bolted to said collar and a piston that is irrotatably and slideably with respect to the tubular cylinder barrel coupled to said guiding element. The guiding element is fixedly positioned with respect to the tubular cylinder barrel, without needing a screw connection.
E05F 3/22 - Additional arrangements for closers, e.g. for holding the wing in opened or other position
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/12 - Special devices controlling the circulation of the liquid, e.g. valve arrangement
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
A lock comprising a latch bolt and a dead bolt, a dead bolt lever to move the dead bolt, a key actuated cylinder with a rotary driving bit, a second turn latch bolt lever to move the latch bolt by using the key, a second turn latch bolt driver as an intermediary between the driving bit and the second turn lever, a spring urging the second turn driver in the path of the driving bit, and a locking mechanism to lock the dead bolt. The second turn driver comprises a follower portion which, upon actuation by the driving bit, moves the second turn driver out of the path of the driving bit thereby preventing the driving bit from being blocked. The locking mechanism comprises a slot having two catches and a spring biased lever mounted on the dead bolt lever to lock the dead bolt lever.
E05B 59/00 - Locks with latches separate from the lock-bolts, or with a plurality of latches or lock-bolts
E05B 55/12 - Locks in which a sliding latch is used also as a locking bolt the bolt being secured by the operation of a hidden parallel member
E05B 63/00 - Locks with special structural characteristics
E05B 63/18 - Locks with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt in the retracted position
E05B 63/06 - Locks with special structural characteristics with lengthwise-adjustable bolts
A fixture set for fixing an accessory to a wall. The fixture set comprises: a bolt; a splitter (6) having a sleeve portion (11) with a minimum bounding cylinder and a wedge portion (12) having wedge surfaces; and an integrally formed metal anchor (7) configured to be screwed to the bolt and having radially expandable arms (20) configured to slide along the wedge surfaces when said anchor (7) is urged to slide in a first direction (16). The arms (20) have a free end (24) configured to lock the anchor (7) against the wall upon radial expansion of the arms (20). The splitter (6) comprises a catch (22) which is situated entirely within the minimum bounding cylinder. The free end (24) of a respective arm is barbed and configured to be caught in the catch (22) when the anchor (7) is urged to slide in a second direction (25), opposite to the first direction (16), after having slid the anchor (7) onto the splitter (6) in the first direction (16) with the barbed free end (24) having passed the catch (22).
F16B 13/08 - Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device without further manual operation
A hinge for coupling a closure member to a support includes a first hinge member and a second hinge member pivotably mounted on the first hinge member through the intermediary of two rolling bearings that are placed between different abutments. The hinge further includes a damping mechanism for damping a closing movement of the closure member; and an energy storing mechanism for storing energy when opening the closure member and using the energy to close the closure member. One of the rolling bearings supports the weight of a right-handed closure member while the other of the rolling bearings supports the weight of a left-handed closure member if the first hinge member is always fixed to the same element.
E05F 1/12 - Mechanisms in the shape of hinges or pivots, operated by springs
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/12 - Special devices controlling the circulation of the liquid, e.g. valve arrangement
23.
GATE CLOSER SUITED TO BE RETROFITTED ONTO A GATE WITH AN EYEBOLT HINGE
The gate closer (16) is arranged to be retrofitted onto an eyebolt hinge (2) with a projecting bolt portion (14). It comprises a body (17), an actuating arm (18) which is mounted rotatably according to a first rotational axis (19) onto the body (17), an actuator in said body (17) for actuating the rotating actuating arm (18) and a coupling mechanism (21) for coupling the actuating arm (18) to the bolt portion (14) of the eyebolt (9). The coupling mechanism (21) comprises an inner sleeve (22) arranged to be screwed onto the projecting portion of the eyebolt (9), and an outer sleeve (23) mounted onto the inner sleeve (22) so as to be slidable back and forth, and mounted onto the actuating arm (18) to be rotatable about a second rotational axis (24). The gate closer (16) can thus be retrofitted onto the gate (1) without requiring the gate (1) to be removed from the support (3). Furthermore, for a same angular momentum that can be exerted by the gate closer (16) onto the gate (1), smaller torsional forces are exerted onto the actuating arm (18).
A surface-mountable electric strike having a keeper arranged to pivot about a first shaft extending in a longitudinal direction; a lock lever for locking the keeper in a door-locking position, the lock lever being arranged to pivot about a second shaft extending in a direction that is transverse to the longitudinal direction and parallel to the backside of the strike; and an actuation mechanism for actuating the lock lever, the actuation mechanism comprising an electromagnet that is situated next to the lock lever in a direction which is substantially perpendicular to the backside of the strike thereby enabling the electromagnet to act directly upon the lock lever providing a simple construction. Moreover, the orientation of the second shaft enables arranging the lock lever, and the electromagnet, above and/or underneath the keeper, thereby reducing the total depth of the strike.
An electric strike having two keepers arranged to pivot about respective shafts extending in a longitudinal direction, a lock lever for locking the keepers in a door-locking position, the lock lever being arranged to pivot about a second shaft extending in a direction that is transverse to the longitudinal direction and parallel to the backside of the strike; and an actuation mechanism for actuating the lock lever. The keepers form side walls of a bolt cavity and are arranged to pivot between a door-locking position and a door-releasing position. Therefore, the bolt may exit the cavity in two directions, e.g., a first direction for a left-handed closure member and a second direction for a right-handed closure member. The strike can thus be mounted in the same orientation for both left-handed and right-handed closure members.
An electric strike having a keeper arranged to pivot about a shaft extending in a longitudinal direction, a lock lever for locking the keeper in a door-locking position, the lock lever being arranged to pivot about a second shaft extending in a direction that is transverse to the longitudinal direction and parallel to the backside of the strike; and an actuation mechanism for actuating the lock lever. The strike is provided with a bearing element arranged to bear against the lock lever. The bearing element acts as a stop against possible lateral motions of the lock lever. Such motions may be induced by trying to force open the door lock when the lock lever is in the locking position. By providing the bearing element, it is avoided that the forces due to these lateral motions are exerted onto the second shaft that connects the lock lever to the strike.
A hydraulically damped actuator (100) for closing a hingedly connected closure system. The actuator (100) comprises an energy storing mechanism (130, 131, 132) configured for storing energy when the closure system is being opened and for restoring the energy to effect closure of the closure system and a hydraulic damping mechanism configured for damping a closing movement of the closure system. The actuator (100) further comprises a tubular cylinder barrel (118) having a first and a second end and a rotatable shaft (121) having a first and a second extremity. The shaft (121) extends at least from the first end to the second through the tubular cylinder barrel (118). Therefore, both extremities of the shaft (121) are available to be connected with a mechanical connector (108) configured for transferring a rotation of the closure system to the shaft (121) enabling the actuator (100) to be mounted in two opposing orientations depending on the handedness of the closure system.
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
A hydraulically damped actuator (100) for closing a hingedly connected closure system. The actuator (100) comprises an energy storing mechanism (130, 131, 132) configured for storing energy when the closure system is being opened and for restoring the energy to effect closure of the closure system and a hydraulic damping mechanism configured for damping a closing movement of the closure system. The actuator (100) further comprises a tubular cylinder barrel (118) having a first and a second end and a rotatable shaft (121) having a first and a second extremity. The shaft (121) extends at least from the first end to the second through the tubular cylinder barrel (118). Therefore, both extremities of the shaft (121) are available to be connected with a mechanical connector (108) configured for transferring a rotation of the closure system to the shaft (121) enabling the actuator (100) to be mounted in two opposing orientations depending on the handedness of the closure system.
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
A hydraulically damped actuator for closing a hingedly connected closure system. The actuator comprises a tubular cylinder barrel (218), an energy storing mechanism for storing energy when the closure system is being opened and for restoring the energy to close the closure system and a hydraulic damping mechanism for damping a closing movement of the closure system. The damping mechanism comprises a closed cylinder cavity (244) that is partly formed by a collar (220) that is integrally formed with the tubular cylinder barrel (218), a guiding element (251) that is bolted to said collar (220) and a piston (247) that is irrotatably and slideably with respect to the tubular cylinder barrel (218) coupled to said guiding element (251). As such, the guiding element (251) is fixedly positioned with respect to the tubular cylinder barrel (218), without needing a screw connection. Therefore, the actuator has a simpler and stronger construction and an additional sealing ring can be avoided.
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
A hinge for hinging a closure member (1) to a support (2), the hinge comprising: a first hinge member (4); a second hinge member (5) pivotably mounted on the first hinge member (4) through the intermediary of two rolling bearings (13, 14) that are placed between different abutments (23, 24, 25, 26); a damping mechanism for damping a closing movement of the closure member (1); and an energy storing mechanism for storing energy when opening the closure member (1) and using the energy to close the closure member (1). As such, one of the rolling bearings (13, 14) will support (2) the weight of a right-handed closure member (1) while the other of the rolling bearings (13, 14) will support (2) the weight of a left- handed closure member (1) if the first hinge member (4) is always fixed to the same element. As such, the hinge is able to be formed as a barrel hinge having only two knuckles which is a compact hinge.
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
31.
HYDRAULICALLY DAMPED ACTUATOR AND SELF-CLOSING HINGE COMPRISING THE ACTUATOR
A hydraulically damped actuator for closing a hinged closure member (1). The actuator comprises: an energy storing mechanism for storing energy when opening the closure member (1) and using the energy to close the closure member (1); a damping mechanism for damping a closing movement of the closure member (1) having a closed cylinder cavity (40) filled with hydraulic fluid; and a pressure compensation mechanism comprising an expansion channel (69) with a plunger (70) that is slidably received therein for compensating changes of a volume of the hydraulic fluid upon temperature variations. The plunger (70) divides the expansion channel (69) into a first compartment (71) in fluid communication with the cylinder cavity (40) and a second compartment (72) that is sealed off from the first compartment (71) by the plunger (70). The expansion channel (69) provides space to allow the hydraulic fluid to expand without resulting in excessive pressures that would damage the closed cylinder cavity (40).
E05F 3/08 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05F 3/20 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
A closing device includes an actuator mechanism and a hydraulic damper mechanism. The actuator mechanism includes a pushrod urged by a resilient member towards its extended position. The hydraulic damper mechanism includes a piston, a first rack and pinion gearing for converting the translational motion of the pushrod into a rotational motion of a first pinion, a transmission, which includes a second rack and pinion gearing, between the first pinion and the piston for transmitting and converting the rotational motion of the first pinion into a translational motion of the piston, a one-way valve allowing fluid flow from a first side to a second side of the cylinder cavity when opening the hinged member, and a restricted fluid passage between the first and second sides of the cylinder cavity. The transmission provides together with the pinions of the first and second rack and pinion gearings a reduction gearing between the pushrod and the piston so that the piston reciprocates over a smaller distance than the pushrod.
E05F 3/10 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
E05F 1/10 - Closers or openers for wings, not otherwise provided for in this subclass spring-actuated for swinging wings
33.
Control assembly for controlling the rotation of a turnstile
A control assembly for controlling rotation of a turnstile, includes a torque-restoring mechanism (13) with springs (20), a motion converting transmission with a multiplying gearing (56, 57) converting a rotation of the turnstile over 120° into a rotation of the rotary shaft entering the hydraulic damper (26) over 180°. The hydraulic damper (26) has two pistons mounted onto a single piston rod. A cam or crank mechanism converts rotation of the rotary shaft into reciprocating motion of the two pistons. The first piston damps the rotary movement of the turnstile when moving in one direction while the other piston damps this movement when the pistons move in the other direction, therefore damping the turnstile in both directions. A motion converting transmission in combination with a double-piston mechanism avoids any loss of hydraulic fluid, while achieving a gradually increasing damping force to effectively stop the rotation of the turnstile.
G07F 7/00 - Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
