EP3619380B1 - Ensemble poignée pour une fenêtre ou un battant de porte - Google Patents

Ensemble poignée pour une fenêtre ou un battant de porte Download PDF

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Publication number
EP3619380B1
EP3619380B1 EP18723928.0A EP18723928A EP3619380B1 EP 3619380 B1 EP3619380 B1 EP 3619380B1 EP 18723928 A EP18723928 A EP 18723928A EP 3619380 B1 EP3619380 B1 EP 3619380B1
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EP
European Patent Office
Prior art keywords
handle
blocking
handle grip
spindle
handle assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18723928.0A
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German (de)
English (en)
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EP3619380A1 (fr
Inventor
Giovanni Laporta
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Individual
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Individual
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Publication date
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Publication of EP3619380A1 publication Critical patent/EP3619380A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/002—Devices preventing the key or the handle or both from being used locking the handle
    • E05B13/004—Devices preventing the key or the handle or both from being used locking the handle by locking the spindle, follower, or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/002—Devices preventing the key or the handle or both from being used locking the handle
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/005—Disconnecting the handle
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0033—Spindles for handles, e.g. square spindles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0014—Locks or fastenings for special use to prevent opening by children

Definitions

  • the present invention relates to handle assemblies for door or window leaves.
  • handle assemblies having safety means for preventing the door from being opened by young children.
  • Doors typically have latch mechanisms for holding the door closed, by means of a latch which engages in a recess or keep in the door jamb.
  • Windows can have similar latch mechanisms.
  • Such latch mechanisms are typically operated by means of a handle (usually either a lever type handle or knob type handle).
  • the latch mechanism may be without a lock, and therefore readily openable by anyone operating the handle.
  • doors with locks, such as exterior doors it is often desirable to leave the door unlocked for temporary periods, so that people can freely pass through the door without needing to unlock it.
  • safety lock When young children are present, it may be desirable to secure a door, for example, an external door leading outside or a door leading to stairs or other hazards, via use of an add-on "safety lock” that prevents the child from opening the door.
  • An available safety lock for doorknobs covers the doorknob with a loosely fitting shell which rotates freely around the doorknob. A child grasping the shell can turn only the shell and not the contained knob. An adult with greater hand strength may compress the shell against the doorknob so as to enable rotation of the doorknob through the shell. This type of safety lock only works with door knobs, not lever type handles.
  • US7334824 discloses a child safety device for lever type handles having a housing that fits around the handle, a cover pivotally mounted on the housing and a lock assembly to be mounted on the door above the cover, the lock assembly selectively engaging the cover for preventing rotation of the cover.
  • the lock assembly In order to open the door from the side on which the device is mounted, the lock assembly needs to be disengaged from the cover, allowing the cover to be rotated, thus rotating the handle within the housing.
  • This device is cumbersome to install as it comprises several parts that need to be installed over/above the door handle.
  • WO 2005/108719 A1 and US 2005/073157 A1 disclose security mechanisms for handle assemblies with lever type handles.
  • a handle assembly for a window or door leaf comprising:
  • the handle assembly is suitably of use where it is desired to secure a door without locking the door using some sort of locking means extending between the door and door jamb.
  • the handle assembly of the present invention provides a safety means preventing young children from being able to open the door or window.
  • the handle assembly In the non-latch-operating configuration the handle assembly is not configured to operate the latch, whereas in the latch-operating configuration the handle assembly is configured for operating the latch between a latched position and a released position.
  • the handle assembly is converted from the non-latch-operating configuration to the latch-operating configuration by moving handle grip along the handle axis. In other words, the axial movement is translational movement substantially orthogonal to the plane of the leaf to which handle assembly is mounted.
  • the handle assembly is converted from the non-latch-operating configuration to the latch-operating configuration by pushing the first handle grip relative to the leaf and in some embodiments the handle assembly is converted from the non-latch-operating configuration to the latch-operating configuration by pulling the first handle grip relative to the leaf.
  • the handle grip is preferably arranged such that it is rotatable about a handle axis that is substantially perpendicular to the plane of the leaf.
  • Driving of the latch may encompass driving of the latch via a suitable drive mechanism such as a gear mechanism.
  • the handle assembly has a forward end and a rearward end, the handle assembly being transformed from the non-latch-operating configuration to the latch-operating configuration by one of moving the first handle grip axially forwards relative to the leaf and axially rearwards relative to the leaf.
  • the leaf has an 'internal' side, i.e. a side which it is desired to prevent young children from exiting from, and an 'external' side, whether that be outside of the house or just outside of the area that it is desired to prevent young children from exiting from.
  • the forward end of the first handle grip faces towards the internal side of the leaf when assembled to the leaf and the rearward end of the first handle grip faces away from the leaf when assembled.
  • the handle assembly has a forward end and a rearward end, the blocking means being transformed from the blocking configuration to the non-blocking configuration by one of moving the first handle grip axially forwards relative to the leaf and axially rearwards relative to the leaf.
  • the handle assembly further comprises biasing means to bias the blocking means towards the blocking configuration.
  • the biasing means comprises a spring.
  • the handle assembly further comprises handle biasing means to bias the first handle grip to its closed position.
  • the handle assembly further comprises a snib mechanism, which when operated in use, prevents the first handle grip from moving from its open position to its closed position under the bias of the handle biasing means.
  • the blocking means comprises a stop member and a blocking formation, the blocking formation being coupled to the first handle grip for movement therewith, the blocking formation being engageable with the stop member when the first handle grip is in its blocking configuration, thereby preventing the first handle grip from being rotated from its closed position to its open position.
  • the blocking formation is suitably coupled to the first handle grip for movement therewith, therefore the blocking formation moves axially along the handle axis as the handle grip is moved axially along the handle axis during conversion of the assembly from the blocking configuration to the non-blocking configuration.
  • the blocking formation coupled to the handle grip for movement therewith may be integral with the handle grip or mounted thereto.
  • said blocking formation comprising a protrusion projecting radially from the handle grip axis.
  • the protrusion may be a cam lever for example.
  • the stop member is preferably arranged so that the blocking formation engages the stop member if a user attempts to rotate the handle grip from the closed position to the open position when the handle grip is in the blocking formation.
  • the handle assembly further comprises a housing, the first handle grip being moveable rotatably and axially relative to the housing, the blocking formation being housed within said housing in use.
  • the radially projecting protrusion extends from a tubular body.
  • the tubular body is arranged around part of the first handle grip in use such that the tubular body rotates upon rotation of the handle grip.
  • the handle assembly further comprises a housing, the first handle grip being moveable rotatably and axially relative to the housing, the stop member being provided on the housing for engagement with the blocking formation when the blocking formation is in the blocking configuration.
  • the stop member is mounted to or integral with an inside surface of the housing.
  • the protrusion has a chamfered shape.
  • the handle assembly further comprises biasing means to bias the blocking means towards the blocking configuration, said biasing means comprising a plate spring.
  • the plate spring could also be described as a V spring, cantilever spring or spring clip.
  • the handle assembly further comprises handle biasing means to bias the first handle grip towards its closed position and a snib mechanism, which when operated in use, prevents the first handle grip from moving from its open position to its closed position under the bias of the handle biasing means, the snib mechanism comprising a plate spring configured to be frictionally engaged by the protrusion when the first handle grip is in its open position.
  • the plate spring snib mechanism may also act as a biasing means to bias the protrusion towards the blocking configuration, the plate spring being configured to urge the protrusion towards the blocking configuration when the protrusion is released from frictional engagement with the plate spring.
  • the handle assembly further comprises a housing, the first handle grip being moveable rotatably and axially relative to the housing, a blocking portion being provided on the first spindle and a second stop member being provided on the housing for engagement with the blocking portion when the blocking portion is in the blocking configuration.
  • the blocking portion of the first spindle has a non-round cross-sectional shape and the second stop member comprises a bore in the housing of corresponding size and shape to prevent the first spindle from rotating when the blocking portion is received in the bore, wherein in the blocking configuration the blocking portion is received in the bore.
  • the blocking portion of the first spindle has a square cross-sectional shape and the second stop member comprises a bore in the housing of corresponding square cross-section.
  • the first spindle further comprises a cut-out portion of smaller diameter than the blocking portion, wherein in the non-blocking configuration the cut-out portion is received in the bore such that the first spindle is free to be rotated.
  • the cut-out portion is adjacent the blocking portion of the first spindle.
  • the cut-out portion has a substantially circular cross-sectional shape.
  • the axial length of the cut-out portion is substantially equal to or longer than the axial length of the bore in the housing.
  • the cut-out portion is rearward of the blocking portion of the first spindle.
  • the handle assembly is therefore configured to be transformed from the blocking configuration to the non-blocking configuration by moving the handle grip axially forwards relative to the leaf (i.e. by pushing the handle towards the leaf).
  • the cut-out portion may alternatively be forward of the blocking portion, in which case the handle assembly would be configured to be transformed from the blocking configuration to the non-blocking configuration by moving the handle grip axially rearwards relative to the leaf (i.e. by pulling the handle grip away from the leaf).
  • the handle assembly further comprises handle biasing means to bias the handle grip to its closed position and a snib mechanism, which when operated in use, prevents the handle grip from moving from its open position to its closed position under the bias of the handle biasing means, the bore in the housing comprising a first opening, the snib mechanism comprising a counterbore recess at the first opening of the bore, the counterbore recess having a cross-sectional shape and size matching that of the bore, the counterbore being angularly offset relative to the axis of the bore, the first spindle having a shoulder between the cut-out portion and the blocking portion of the first spindle, the shoulder being shaped and sized to be retained within the counterbore recess such that when the handle grip is in the open position, the shoulder can be received in the counterbore recess, thus preventing the handle grip from moving from its open position to its closed position under the bias of the handle biasing means.
  • the snib mechanism comprising a counterbore reces
  • the counterbore recess suitably provides a discrete position for snib position.
  • the angular offset between the counterbore recess and the bore suitably corresponds to the angle between the closed and open position of the handle grip.
  • the counterbore recess suitably also has a square cross-section, but offset from that of the bore.
  • the cross-sectional shape and size of the bore substantially matches that of the counterbore recess.
  • the first spindle is positioned such that it is dis-engaged from the latch mechanism and in the latch-operating configuration the first spindle is positioned such that it engages the latch mechanism such that rotation of the first handle grip drives the latch.
  • the handle assembly has a forward end and a rearward end, the handle assembly being transformed from the non-latch-operating configuration to the latch-operating configuration by pushing the handle grip axially forwards relative to the leaf.
  • the handle assembly further comprises biasing means for biasing the handle assembly towards the non-latch-operating configuration.
  • mounting means connecting or joining, either directly or by means of an intermediate or auxiliary element.
  • FIG 1A shows some features of a typical handle assembly 10 for a window or door leaf that are common between the embodiments of the present invention described herein.
  • the handle assembly 10 is designed for use with spindle means 12 which drives a latch means 11 mounted to a leaf (not shown) and which is engageable with a retainer or catch (not shown) on an adjacent door jamb to latch the door in its closed position.
  • the latch means 11 can be withdrawn to permit opening of the door by turning of the spindle means 12, which is driven by at least a first handle grip 14 coupled to the spindle means 12 such that rotation of the first handle grip 14 rotates at least part of the spindle means 12.
  • the latch means 11 is spring biased into its latched position in which it is engaged with the retainer or catch in the door jamb.
  • the spindle means 12 is coupled to the latch means 11 by a conventional latch mechanism 13, such as a gearbox, which operates to retract or withdraw the latch means upon rotation of the spindle means 12, disengaging the latch means 11 from the cooperating retainer or catch, thereby permitting the door to be opened.
  • a conventional latch mechanism 13 such as a gearbox
  • the first handle grip 14 is for mounting to a first side of a leaf (not shown).
  • the handle assembly includes a second handle grip 15, for mounting to a second, opposing side of the leaf, as shown in the assembly 10 of Figure 1A .
  • the leaf has an 'internal' side, i.e. a side which it is desired to prevent young children from exiting from, and an 'external' side, whether that be outside of the house or just outside of the area that it is desired to prevent young children from exiting from.
  • the first handle grip 14 is an internal handle grip (i.e. it is on the internal side) and second handle grip 15 is an external handle grip 15 (i.e. it is on the external side).
  • the first handle grip 14 is mounted to a housing plate 20 that houses certain parts of the assembly and which is referred to herein as housing 20 (a housing is not essential, but is a preferred feature).
  • the housing 20 is mounted to the leaf by suitable means such as suitable fixings.
  • the internal handle grip 14 has a forward end (which could also be referred to as an outward end) that faces towards the leaf when assembled and a rearward end (which could also be referred to as an inward end) that faces away from the leaf when assembled.
  • the handle assembly has a non-latch-operating configuration in which the assembly is configured such that the latch mechanism is not operable using the first handle grip.
  • the handle assembly also has a latch-operating configuration in which rotation of the first handle grip causes operation of the latch mechanism.
  • the handle assembly can be converted from the non-latch-operating configuration to the latch-operating configuration by pushing the first handle grip relative to the leaf.
  • the handle assembly can be converted from the non-latch-operating configuration to the latch-operating configuration by pulling the first handle grip relative to the leaf. Further details of various embodiments will be described below.
  • FIG. 2 shows an exploded view of a handle grip assembly according to a first embodiment of the invention.
  • the first handle grip 14 is pivotally mounted relative to the housing 20 via a nose portion 17 which is received by the housing 20.
  • the handle grip 14 is moveable about a handle axis A between a first angular position, corresponding to a 'closed' position for the handle grip in which the latch means 11 is in its latching position, and a second angular position, corresponding to an 'open' position in which the latch means 11 is retracted and therefore in its unlatched position.
  • the handle grip 14 is horizontal when in its closed position, however the handle grip 14 may be at other orientations when in the closed position.
  • the handle grip 14 is in its open position when the handle grip is depressed to rotate about 45 degrees from the horizontal position, however the open position may be at other angles relative to the closed position.
  • the handle assembly 10 in Figure 1A is a left handed door handle assembly, however the invention can of course be provided for a right handed door handle assembly.
  • the housing 20 comprises an outer cover plate 21 and an inner cover plate 22 and a back plate 23.
  • the inner cover plate 22 is arranged to be positioned over the back plate 23, the inner cover 22 plate being shaped to form a cavity therein to house certain parts of the handle assembly mechanism.
  • the outer cover plate 21 is shaped and sized to fit over the inner cover plate 22.
  • the inner cover plate 22 has throughbores 22d for receiving suitable fixings, such as screws, to secure the inner cover plate 22 to the leaf.
  • the outer cover plate 21 is secured over the inner cover plate 22, for example via an interference fit.
  • the back plate 23 has throughbores 23d and the inner clover plate has throughbores 22e for receiving suitable fixings, such as screws, to secure the back plate 23 to the inner cover plate 22.
  • the back plate 23 has a plurality of lugs 23e (in this embodiment, four lugs), which are receivable in bores 22f in the inner cover plate 22, to locate the back plate 23 relative to the inner cover plate 22 and to prevent rotation of the back plate 23 relative to the inner cover plate 22, as the handle mechanism is operated.
  • the outer cover plate 21 and inner cover plate 22 each have a bore 21a, 22a therein through which is received the nose portion 17 of the handle grip 14.
  • the inner cover plate 22 and outer cover plate 21 are shown assembled together, with the outer cover plate 21 mounted over the inner cover plate 22.
  • the inner cover plate 22 and outer cover plate 21 could be provided as a unitary piece.
  • the spindle means 12 is a drive shaft, at least a portion of which has a square cross-section which couples to the handle grip 14 and the latch mechanism 13 in use, for driving the latch means 11 between its latched and unlatched positions.
  • the square shaped spindle part(s) and corresponding receiving bores may of course be of polygonal cross-sectional shapes other than square.
  • the spindle means 12 comprises a first spindle 7 (an internal spindle) that is received in a spindle bore 14a of the first (internal) handle grip 14 and a second spindle 8 (an external spindle) that is received in a spindle bore 15a of the second (external) handle grip 15.
  • the spindle means 12 may instead comprise a single spindle that extends between from the spindle bore 14a of the internal handle grip 14 and into the spindle bore 15a of the external hand grip 15.
  • the first spindle 7 is secured relative to the first handle grip 14 such that as the first handle grip 14 is rotated or translated axially, the first spindle 7 will move with it.
  • the handle assembly 10 has a latch-operating configuration in which the handle assembly is configured for driving the latch 11 between a latched position and a released position, and a non-latch-operating configuration in which the handle assembly is non-operable for driving the latch 11.
  • the handle assembly 10 further comprises blocking means transformable between a blocking configuration and a non-blocking configuration.
  • the blocking configuration the blocking means prevents the first handle grip 14 from being moved from its closed position to its open position.
  • the non-blocking configuration the first handle grip 14 is free to be rotated from the closed position to the open position. This provides a safety feature that makes it difficult for young children to open the door.
  • the blocking configuration corresponds to the non-latch-operating configuration and the non-blocking configuration corresponds to the latch-operating configuration.
  • the blocking means comprises a blocking formation and a stop member, the blocking formation being coupled for co-axial rotation with the first handle grip, the blocking formation being engageable with the stop member when the blocking means is in the blocking configuration, thereby preventing the handle grip from being rotated from its closed position to its open position.
  • the blocking formation is coupled to the first handle grip so as to rotate co-axially with the first handle grip.
  • the blocking formation is a protrusion 30 projecting radially away from the handle grip axis A.
  • the protrusion 30 is formed on a tubular body 31 that is received around the nose portion 17 of the handle grip 14 such that rotation or translation of the handle grip 14 causes rotation or translation of the tubular body 31 respectively.
  • the tubular body 31 may alternatively be received around the spindle means 12.
  • the protrusion may be arranged in some other manner such that it is coupled to rotate and translate as the first handle grip does so, other than being formed on a tubular body.
  • the tubular body has a throughbore 32 of rounded square cross-section (however it may be other polygonal shapes) which is configured to be received around the nose portion 17 of the handle grip 14, which has a corresponding outer cross-sectional shape.
  • the first handle grip 14, first spindle 7 and tubular body 31 are secured relative to one another so that the tubular body 31 and first spindle 7 rotate with the first handle grip 14.
  • the first handle grip 14 and first spindle 7 are secured together by a handle fix screw 35, which is received in a throughbore 37 in a bottom portion of the tubular body 31, a throughbore 38 passing through the nose portion 17 of the first handle grip 14 and a throughbore 39 passing through the first spindle 7.
  • the tubular body 31 is secured to the first handle grip 14 using a U shaped pin 41 having a bridging portion and two legs. Referring to Figure 3 , the two legs of U shaped pin 41 pass through parallel throughbores 46 in the tubular body 31 and also through parallel throughbores 43 in the nose portion 17 of the first handle grip 14.
  • the stop member is provided on the housing 20, and in this embodiment, more specifically on the inner cover plate 22.
  • the stop member 40 comprises a formation that protrudes into the cavity of the housing 20 and blocks rotation of the protrusion 30 when the assembly is in its blocking configuration, such that protrusion 30 engages the stop member 40 if an attempt is made to rotate the handle grip 14 from its closed position to its open position.
  • the back plate 23 has a forward surface 23b that is configured to lie against the internal side of the leaf when installed.
  • the back plate 23 also comprises a protruding portion, which in this embodiment is a cylindrical portion 23a, extending from the forward surface 23b in the forward direction, forming a cavity therein with a large opening facing rearwardly.
  • the cylindrical portion 23a receives a spring 24, which in this embodiment is a helical compression spring, the forward end of spring 24 engaging the rearward side of the cylindrical portion 23a and the rearward end of spring 24 engaging the forward end of tubular body 31 (or alternatively the rearward end of spring 24 may engage the nose portion 17 of the handle grip 14 and/or the tubular body 31).
  • the spring 24 biases the first handle grip 14, which is coupled to the tubular body 31, away from the back plate 23, therefore biasing the first handle grip away from back plate 23.
  • the blocking means is converted from its blocking configuration to its non-blocking configuration by pushing the handle grip axially forwards. This moves the tubular body 31 (and therefore the protrusion 30) forwards to an axially depressed position relative to the housing 20.
  • the protrusion 30 is aligned, co-planar with the stop member 40, in a plane parallel with the leaf.
  • the protrusion 30 is displaced from its position co-planar with the stop member 40, such that when a rotational force is applied to the protrusion, it is free to rotate.
  • the tubular body 31 has an enlarged portion 34 that extends radially away from the handle axis A, preferably forming a flanged portion around the tubular body 31.
  • the inner cover plate 22 has first and second concave guide walls 22c, one on either side of the inside of the inner cover plate 22. Each guide wall is shaped as a portion of a rounded tube, so that the first and second concave guide walls 22c are shaped to receive the enlarged portion 34 of the tubular body therebetween, to guide axial translation and rotation of the tubular body 31.
  • the handle grip 14 When converting the assembly to the non-blocking configuration, the handle grip 14 can be pushed forwards, for example until the enlarged portion 34 of the tubular body engages a rearward facing surface of the back plate 23. With the blocking means in this non-blocking configuration, the first handle grip 14 is no longer stopped from being rotated to its open position and therefore the handle can be moved to its open position.
  • the first spindle 7 has a forward end portion that is chamfered and has a round cross-section, smaller in diameter than the aperture 13a for receiving the spindle of the latch mechanism 13, and a latch-mechanism-engaging portion rearward of the forward end portion, the latch-mechanism-engaging portion being shaped and sized to engage in aperture 13a so as to drive the latch mechanism.
  • the first spindle 7 When the assembly is in the blocking configuration, the first spindle 7 is positioned such that only the chamfered forward end portion of the first spindle is received in the aperture 13a of the latch mechanism 13.
  • the latch-mechanism-engaging portion engages in aperture 13a of the latch mechanism 13 so that as the spindle is rotated, the latch mechanism 13 will be operated.
  • the compression spring 15c urges second spindle 8 outwardly from spindle bore 15a such that when a force depressing the first handle grip 14 relative to housing 20 is removed, the second spindle 8 will return to its non-depressed state.
  • the second spindle 8 has a C-shaped stop clip 8a received around the spindle at a notch 8b, towards its rearward end to prevent the second spindle 8 from extending into the latch mechanism 13 beyond the stop clip 8a.
  • the second handle grip 15 is pivotally mounted relative to an external escutcheon or rose plate 26 via a nose portion 15b.
  • the escutcheon 26 comprises an outer cover plate 27 and an inner plate 28.
  • the inner plate 28 has throughbores 29 for receiving suitable fixings, such as screws, to secure the inner plate 28 to the leaf.
  • the outer cover plate 27 is secured over the inner plate 28, for example via an interference fit between the outer circumference of the inner plate 28 and a mating surface inside the outer cover plate 27.
  • a handle fixing brace 16 which has a circular outer cross-section for receipt within circular through bores 27a and 28a in the outer cover plate 27 and inner plate 28 respectively.
  • the handle fixing brace 16 has a throughbore 16a of rounded square cross-section (however it may be other polygonal shapes) which is configured to be received around the nose portion 15b of the second handle grip 15 which has a corresponding outer cross-sectional shape.
  • the handle fixing brace 16 has an enlarged, flange-like portion 16b that extends radially away from the handle axis A. The enlarged portion 16b is received rearward of the inner plate 28.
  • a return spring (not shown in the figures) may be provided to urge the second handle grip into its closed position. Such return springs are standard within door handle assemblies.
  • the handle fixing brace 16 is secured to the second handle grip 15 via an interference fit, however other suitable means may be used to secure the handle fixing brace 16 and second handle grip 15 together, such as suitable fixings.
  • the assembly includes handle biasing means which biases the first handle grip 14 to its closed position.
  • the handle biasing means comprises a cassette body 19a which is housed in the cavity of the housing 20.
  • the cassette body 19a is urged against the tubular body 31 by one or more cassette return springs 19b.
  • cassette return springs 19b which are helical compression springs, located between the cassette body 19a and a shelf 22b on the inside of the inner cover plate 22, but other spring means may be used.
  • the enlarged portion 34 of the tubular body 31 has a round external perimeter except for a flat side 33, which is on the underside of the enlarged portion 34 when the handle is in the closed position.
  • the spring biased cassette body 19a acts on the enlarged portion 34 and if it engages the curved outer perimeter, urges the tubular body 31 to a position in which the cassette body 19a engages the flat side 33 (i.e. a rest position), in which the handle grip 14 is in the closed position.
  • the assembly further comprises a plate spring or spring clip 25 mounted within the housing 20 that provides a snib mechanism, which when operated prevents the handle grip from moving from its open position to its closed position under the bias of the handle biasing means. It also provides a biasing means to bias the blocking formation towards the blocking configuration as will be further explained.
  • the plate spring 25 is shown in Figures 2 and 3 mounted to the back plate 23 and on its own in Figure 7A .
  • the plate spring 25 is a member, preferably formed of metal, having a bridging portion 25a and two opposing limbs 25b, which extend rearwardly from the bridging portion 25a.
  • the limbs 25b are spring biased away from one another, the distal end of each limb pointing towards the opposing limb.
  • the plate spring 25 clips around the back plate 23, with the bridging portion 25a lying against the forward surface 23b of the back plate 23 and the limbs 25b gripping around the sides of the back plate 23.
  • the back plate 23 has two notches 23c (visible in Figure 4 ), one on each side, for receiving the limbs 25b of the plate spring.
  • the plate spring 25 is located so that the protrusion 30 frictionally engages one of the limbs 25b of the plate spring 25 when the protrusion 30 is fully in the non-blocking configuration.
  • the protrusion 30 has a chamfered shape, like a chamfered arrow, each side of which is configured to engage a corresponding limb 25b of the plate spring 25.
  • the protrusion 30 will engage the limb 25b on the right side of the assembly (when viewing from the internal side of the assembly). Once in this position, the tubular body 31 is then retained at the angular orientation corresponding to the open position via frictional engagement of the protrusion 30 against a limb 25b of the plate spring 25. This prevents the handle from returning to the closed position under the bias of the cassette body 19a and cassette return springs 19b.
  • the assembly shown in the Figures 1 to 3 is set up to be a left handed door handle assembly, however the assembly can be modified/configured to provide a right handed door handle assembly.
  • the first handle grip 14 will be mounted to extend to the left, rather than to the right when facing the leaf from the internal side and the tubular body 31 will rotate anticlockwise when facing the leaf from the internal side.
  • the protrusion will engage the limb 25b on the left side of the assembly (when viewing from the internal side of the assembly).
  • the protrusion 30 is suitably chamfered on both its right and left sides (like an arrow) so that it can engage a limb 25b of the plate spring 25 arranged on either side of the housing 20, depending on whether the handle assembly is a right handed or left handed assembly.
  • the housing 20 includes two stop members 40, arranged one on either side of the housing 20. In this way, the stop member 40 will block the protrusion 30 when the assembly is in the blocking configuration, whether the handle assembly is a right handed or left handed assembly.
  • Figures 7B and 7C shows part of an alternative embodiment that is the same as the Figure 2 embodiment, but instead of the plate spring 25 with two limbs 25b, the assembly incorporates a single plate spring 25', mounted at the side of the housing 20 that the protrusion 30 rotates towards during opening, to provide a snib and return mechanism.
  • FIG. 7B shows a plate spring 25' which, when assembled, is mounted on the right side of the inner cover plate 22 (when viewing from the internal side of the assembly).
  • the plate spring 25' is substantially V shaped in cross-section, each side of the V forming a plate portion.
  • One side of the V is secured to the housing 20 (to the outside of the inner cover plate 22), with the other side protruding into the cavity in the inner cover plate and being free to provide a spring action.
  • the plate spring 25' is located so that the protrusion 30 frictionally engages the free side of the plate spring 25' when the protrusion 30 is in the non-blocking configuration. This prevents the handle from returning to the closed position under the bias of the cassette body 19a and cassette return springs 19b.
  • a plate spring 25' may be mounted on the opposite side of the housing 20 (or the assembly may include two plate springs 25', one mounted on either side of the housing 20, so that a plate spring 25' is provided whichever way the first handle grip 14 is configured to rotate.
  • the assembly is configured such that the blocking means is converted from the blocking configuration to the non-blocking configuration by means of pulling the handle grip 14 away from the leaf rather than pushing it towards the leaf as in the embodiment described above (i.e. a pull to release embodiment rather than a push to release embodiment).
  • the assembly may be the same as that shown in the Figure 2 embodiment, except that the stop member is located on the back plate rather than the inside of the inner cover plate.
  • Figures 8A and 8B show a back plate 23' of a pull to release embodiment that has a stop member 40' that protrudes from the rearward face of the back plate 23' into the cavity of the housing 20 and which is located in the normal path of rotation of the protrusion 30 when in its blocking configuration, such that protrusion 30 engages the stop member 40' if an attempt is made to depress the handle grip 14 to move it to its open position.
  • Pulling of the handle grip 14 axially away from the leaf converts the blocking means from its blocking configuration to its non-blocking configuration by moving the tubular body 31 axially rearwards relative to the housing 20. This moves the protrusion 30 into a position wherein its rotational path is not blocked by the stop member 40' if the first handle grip 14 is opened.
  • the plate spring 25 or 25' interacts with the protrusion 30 in the same way as in the previous embodiments, to provide a snib mechanism and also to urge the tubular body 31 to its first angular position.
  • the assembly includes suitable means to bias the handle grip into its rest, non-pulled state.
  • the back plate 23' shown in Figures 8A and 8B is for a left handed door handle assembly, however it will be understood that for a right handed door handle assembly the stop member 40' will be located on the left hand side of the rearward face of the back plate 23' instead of on the right hand side as shown in Figure 8B .
  • the blocking formation of the blocking means may be provided on the spindle means.
  • the blocking formation on the spindle means engages a stop member provided on the housing to prevent the spindle from rotating when the blocking means is in a blocking configuration.
  • the blocking means can be converted to a non-blocking configuration by moving the handle grip 14 axially forwards relative to the housing in certain embodiments, or rearwards relative to the housing in other embodiments.
  • the spindle means 12 comprises a first spindle 7 that is received in a spindle bore 14a of the first (internal) handle grip 14 and a second spindle 8 that is received in a spindle bore 15a of the second (external) handle grip 15 (the spindle means 12 may instead comprise a single spindle that extends between from the spindle bore of the internal handle grip 14 and into the spindle bore of the external hand grip 15).
  • the forward end of the first spindle 7 has a forward end portion 7a that has a round cross-sectional shape and a chamfered end.
  • a blocking portion 7b Rearwards of the forward end portion 7a of the first spindle 7 is a blocking portion 7b, which has a square outer cross-section that is sized and shaped to engage in a square shaped aperture 13a in the latch mechanism 13 so that the first spindle 7 can drive the latch mechanism 13 when the first handle grip 14 is rotated.
  • Rearwards of the blocking portion 7b of the first spindle 7 is a cut-out portion 7c of smaller diameter than the blocking portion 7b, which in this embodiment has a round cross-sectional shape like that of the unchamfered part of the forward end portion 7a.
  • the spindle has a handle driven portion 7d with a square outer cross-section that is sized and shaped to engage in the spindle bore 14a of the handle grip 14 (in this embodiment the handle driven portion 7d has an outer cross-section matching that of the blocking portion 7b).
  • the stop member on the housing comprises a bore 42 in the cylindrical portion 23a of the back plate 23.
  • the bore 42 has a square shaped cross-section and is sized to prevent the first spindle 7 from rotating when the blocking portion 7b is received therein.
  • the first spindle 7 is arranged axially relative to housing 20 such that at least part of the blocking portion 7b is received within the bore 42 in the back plate 23.
  • the assembly is converted from its blocking configuration to its non-blocking configuration by pushing the handle grip 14 axially forwards.
  • This translates first spindle 7 forwards axially relative to housing 20.
  • the first handle grip 14 can be pushed axially forwards until part of the first handle grip or something coupled to it abuts the rearward facing surface of the back plate 23; in this embodiment the enlarged portion 34 of the tubular body will abut the rearward facing surface of the back plate 23 when the assembly is in the blocking configuration.
  • the cut-out portion 7c is received within the bore 42 and the blocking portion 7b is forwards of the bore 42, at least part of the blocking portion 7b being received in the aperture of the latch mechanism 13.
  • the first spindle 7 is therefore free to be rotated since in this configuration the cut-out portion 7c is received within the bore 42; in this configuration, upon rotation of the handle grip 14, the first spindle 7 will rotate.
  • the first spindle 7 when the assembly is in the blocking configuration, the first spindle 7 is positioned such that only the chamfered forward end portion 7a of the spindle is received in the aperture 13a of the latch mechanism 13.
  • the blocking portion 7b of the spindle with outer square cross-section engages in the correspondingly shaped aperture 13a of the latch mechanism 13, such that as the spindle is rotated, the latch mechanism 13 will be operated.
  • the blocking portion 7b of the first spindle may therefore also be described as a latch-mechanism-engaging portion.
  • the helical compression spring 24 received in the cylindrical portion 23a of the back plate 23 biases the handle grip 14 away from the back plate 23.
  • This embodiment also has a snib mechanism, which, when operated, prevents the handle grip from moving from its open position to its closed position under the bias of the handle biasing means.
  • the snib mechanism comprises a counterbore recess 44 in the forward opening of bore 42.
  • the counterbore recess 44 has a square cross-sectional shape, sized to match that of the bore 42, but the counterbore recess 44 is angularly offset relative to the axis of the bore 42.
  • the first spindle 7 has a shoulder 7e between the cut-out portion 7c and the blocking portion 7b, the shoulder 7e being shaped with a square-shaped cross-section and being sized to fit in the counterbore recess 44.
  • the square shoulder 7e can be received in the counterbore recess 44, thus preventing the handle grip 14 from moving from its open position to its closed position.
  • the angular offset of the counterbore recess 44 relative to the bore 42 matches the angle between the closed position of the first handle grip 14 and the open position of the first handle grip 14, in which the latch means 11 has been retracted to its unlatched position.
  • the first handle grip 14 In order to unsnib the assembly, the first handle grip 14 is pushed forwards sufficiently to disengage the shoulder 7e from receipt within the counterbore recess 44. If the first handle grip 14 is then let go by the user, the cassette body 19a and cassette return springs 19b will urge the first handle grip 14 back to the horizontal, closed position and the spring 24 will urge the handle grip to its non-depressed position.
  • an assembly having a blocking portion on the first spindle and a stop member on the housing can be provided, similar to the embodiment described above, except that the assembly is configured to convert the blocking means to the non-blocking configuration by pulling the first handle grip 14 axially rearwards relative to the housing, rather than pushing it forwards relative to the housing.
  • a different spindle can be provided, having a blocking portion and cut-out portion suitably arranged differently compared to that shown in the embodiment of Figures 2 and 3 , for a mechanism in which the first handle grip is configured to be pulled relative to the housing to convert to the non-blocking configuration.
  • the handle assembly may be transformed between a non-latch-operating configuration to a latch-operating configuration without the assembly requiring any blocking means.
  • this conversion may be by pushing the first handle grip relative to the leaf.
  • this may be by pulling the first handle grip relative to the leaf.
  • an example of an embodiment in which the handle assembly is transformed into the latch-operating configuration by pushing the first handle grip may comprise a first spindle that has a chamfered forward end portion 7a and latch-mechanism-engaging portion 7b rearward of the forward end portion which is similar to blocking portion 7b of the embodiment of Figure 1A (but the first spindle need not necessarily include any cut-out portion 7c).
  • the first spindle 7 When the assembly is in the non-latch-operating configuration, the first spindle 7 is positioned such that only the chamfered forward end portion 7a is received in the aperture 13a of the latch mechanism 13.
  • the latch-mechanism engaging portion 7b of the spindle with outer square cross-section engages in the correspondingly shaped aperture 13a of the latch mechanism 13, such that as the spindle is rotated, the latch mechanism 13 will be operated.
  • the spindle may be configured such that it has a non-latch-operating configuration in which the spindle or spindle part coupled to the first handle grip is not engaged with latch mechanism and a latch-operating configuration in which the spindle or spindle part is engaged with the latch mechanism, the assembly being convertible from the non-latch-operating configuration to the latch-operating configuration by pulling the first handle grip relative to the leaf.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (14)

  1. Ensemble poignée (10) pour une fenêtre ou un battant de porte, l'ensemble poignée comprenant :
    un premier manche de poignée (14), le premier manche de poignée étant mobile en rotation et axialement par rapport à un axe de poignée (A),
    le premier manche de poignée (14) comportant une position fermée, dans laquelle le premier manche de poignée se trouve dans une première position angulaire et une position ouverte, dans laquelle le premier manche de poignée se trouve dans une seconde position angulaire,
    l'ensemble poignée comportant une configuration d'actionnement de verrouillage dans laquelle l'ensemble poignée est conçu pour entraîner un verrou (11) d'un mécanisme de verrouillage (13) entre une position verrouillée et une position libérée, et une configuration sans actionnement de verrouillage dans laquelle l'ensemble poignée ne sert pas à entraîner le verrou,
    ledit ensemble poignée (10) étant conçu de sorte que l'ensemble poignée soit transformé de la configuration sans actionnement de verrouillage à la configuration d'actionnement de verrouillage en déplaçant le premier manche de poignée (14) axialement le long de l'axe de la poignée,
    ledit ensemble poignée comprenant en outre un premier moyen de blocage pouvant être transformé entre une configuration de blocage et une configuration de non blocage, dans la configuration de blocage, ledit premier manche de poignée ne pouvant pas être tournée de la position fermée à la position ouverte par le moyen de blocage et dans la configuration de non blocage, ledit premier manche de poignée étant libre de tourner de la position fermée à la position ouverte,
    ledit ensemble poignée étant conçu de sorte que le moyen de blocage soit transformé de la configuration de blocage à la configuration de non blocage en déplaçant le premier manche de poignée axialement le long de l'axe de la poignée, ledit ensemble poignée comprenant en outre une première broche (7) comportant une partie d'engagement de mécanisme de verrouillage pour entraîner le verrou du mécanisme de verrouillage, ladite première broche étant fixe par rapport au premier manche de poignée de sorte que la première broche se déplace avec le premier manche de poignée lorsque le premier manche de poignée est tourné et/ou translaté axialement,
    ledit premier manche de poignée étant conçu pour être monté sur un premier côté d'un battant et ledit ensemble poignée comprenant en outre un second manche de poignée (15) conçu pour être monté sur le côté opposé d'un battant à partir du premier manche de poignée, ledit ensemble poignée comprenant en outre une seconde broche (8),
    ladite seconde broche comportant une extrémité arrière qui s'étend dans ledit mécanisme de verrouillage, ladite seconde broche étant conçue pour tourner lors de la rotation du second manche de poignée afin d'entraîner le verrou dudit mécanisme de verrouillage mais pour pouvoir coulisser par rapport au second manche de poignée de sorte que le second manche de poignée ne se déplace pas axialement lorsque le premier manche de poignée est déplacé axialement.
  2. Ensemble poignée (10) selon la revendication 1, ledit ensemble poignée comprenant en outre un moyen de sollicitation de poignée (19a) pour solliciter le premier manche de poignée vers sa position fermée, et ledit ensemble poignée comprenant en outre un mécanisme d'arrêt qui, lorsqu'il est actionné lors de l'utilisation, empêche le premier manche de poignée de se déplacer de sa position ouverte à sa position fermée sous la sollicitation du moyen de sollicitation de poignée.
  3. Ensemble poignée (10) selon la revendication 1 ou 2, ledit moyen de blocage comprenant un élément de butée (40) et une formation de blocage (30), ladite formation de blocage étant couplée au premier manche de poignée pour un déplacement avec celui-ci, ladite formation de blocage pouvant venir en prise avec l'élément de butée lorsque le premier manche de poignée se trouve dans sa configuration de blocage, empêchant ainsi la première poignée d'être tournée de sa position fermée à sa position ouverte.
  4. Ensemble poignée (10) selon la revendication 3, ladite formation de blocage comprend une saillie (30) faisant saillie radialement depuis l'axe du manche de poignée.
  5. Ensemble poignée (10) selon la revendication 3, ladite saillie radialement saillante s'étendant à partir d'un corps tubulaire (31), et ledit corps tubulaire étant disposé autour d'une partie du premier manche de poignée lors de l'utilisation de sorte que le corps tubulaire tourne lors de la rotation du manche de poignée.
  6. Ensemble poignée (10) selon la revendication 4 ou 5, ledit mécanisme d'arrêt comprenant un ressort à lames (25) conçu pour être engagé par frottement par la saillie lorsque le premier manche de poignée se trouve dans sa position ouverte.
  7. Ensemble poignée (10) selon l'une quelconque des revendications 3 à 4, ledit ensemble poignée comprenant en outre un boîtier (20),
    ledit premier manche de poignée étant mobile en rotation et axialement par rapport au boîtier, une partie de blocage (7b) étant pourvue sur la première broche et un second élément de butée (42) étant pourvu sur le boîtier pour venir en prise avec la partie de blocage (7b) lorsque la partie de blocage (7b) se trouve dans la configuration de blocage.
  8. Ensemble poignée (10) selon la revendication 7, ladite partie de blocage de la première broche (7) comportant une forme de section transversale non ronde et ledit second élément de butée (42) comprenant un alésage dans le boîtier (20) de taille et de forme correspondantes pour empêcher la première broche de tourner lorsque la partie de blocage est reçue à l'intérieur de l'alésage, dans la configuration de blocage, ladite partie de blocage étant reçue dans l'alésage.
  9. Ensemble poignée (10) selon la revendication 8, ladite première broche (7) comprenant en outre une partie découpée (7c) de diamètre plus petit que celui de la partie de blocage (7b), dans la configuration non bloquante, ladite partie découpée étant reçue dans l'alésage de sorte que la première broche puisse être tournée librement.
  10. Ensemble poignée (10) selon la revendication 9, ladite partie découpée (7c) étant adjacente à la partie de blocage (7b) de la première broche.
  11. Ensemble poignée (10) selon la revendication 9 ou 10, ladite partie découpée (7c) comportant une forme de section transversale sensiblement circulaire.
  12. Ensemble poignée (10) selon l'une quelconque des revendications 9 à 11, ladite longueur axiale de la partie découpée (7c) étant de longueur sensiblement égale ou plus longue que la longueur axiale de l'alésage dans le boîtier (20).
  13. Ensemble poignée (10) selon l'une quelconque des revendications 9 à 12, ladite partie découpée (7c) se trouvant à l'arrière de la partie de blocage de la première broche.
  14. Ensemble poignée (10) selon l'une quelconque des revendications 9 à 10, ledit alésage dans le boîtier (20) comprenant une première ouverture, ledit mécanisme d'arrêt comprenant un évidement de contre-alésage (44) au niveau de la première ouverture de l'alésage, ledit évidement de contre-alésage comportant une forme et une taille de section transversale correspondant à celles de l'alésage, ledit contre-alésage (44) étant décalé angulairement par rapport à l'axe de l'alésage, ladite première broche (7) comportant un épaulement (7e) entre la partie découpée (7c) et la partie de blocage (7b) de la première broche, ledit épaulement étant mise en forme et dimensionné pour être retenu à l'intérieur de l'évidement de contre-alésage (44) de sorte que lorsque le manche de poignée se trouve en position ouverte, l'épaulement puisse être reçu dans l'évidement de contre-alésage, empêchant ainsi le déplacement du manche de poignée de sa position ouverte à sa position fermée sous la sollicitation du moyen de sollicitation de poignée.
EP18723928.0A 2017-05-04 2018-05-03 Ensemble poignée pour une fenêtre ou un battant de porte Active EP3619380B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1707154.9A GB2562093B (en) 2017-05-04 2017-05-04 A handle assembly for a window or door leaf
PCT/GB2018/051183 WO2018203065A1 (fr) 2017-05-04 2018-05-03 Ensemble poignée pour une fenêtre ou un battant de porte

Publications (2)

Publication Number Publication Date
EP3619380A1 EP3619380A1 (fr) 2020-03-11
EP3619380B1 true EP3619380B1 (fr) 2023-12-20

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ID=59065434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18723928.0A Active EP3619380B1 (fr) 2017-05-04 2018-05-03 Ensemble poignée pour une fenêtre ou un battant de porte

Country Status (3)

Country Link
EP (1) EP3619380B1 (fr)
GB (1) GB2562093B (fr)
WO (1) WO2018203065A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2606304B (en) * 2018-02-27 2023-04-26 Laporta Giovanni A handle assembly for a window or door leaf
US20230220701A1 (en) * 2022-01-12 2023-07-13 Schlage Lock Company Llc Lockset assembly and installation
DE202023101565U1 (de) * 2022-10-10 2023-04-19 Igor Vanjin Handhabe mit Axialverriegelung

Citations (1)

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US20050073157A1 (en) * 2003-10-01 2005-04-07 Peter Etlicher Pull door lock

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US4169618A (en) * 1976-08-09 1979-10-02 Norris Industries Plastic door lock
US5259652A (en) * 1990-12-31 1993-11-09 Baldwin Hardware Corporation Door latch assembly
GB2255798A (en) * 1991-05-16 1992-11-18 Marston & Co Ltd Albert Latch furniture assembly
GB2275496A (en) * 1993-02-27 1994-08-31 Ford Motor Co A decouplable vehicle door handle arrangement
US5658026A (en) * 1995-09-05 1997-08-19 Von Duprin, Inc. Door handle locking mechanism with dual function springs
JP4401605B2 (ja) * 2001-08-20 2010-01-20 美和ロック株式会社 サムターン
TWM252778U (en) * 2004-02-20 2004-12-11 Tong Lung Metal Ind Co Ltd Internal locking structure of lock
GB0410316D0 (en) * 2004-05-08 2004-06-09 Easylock Ltd Security mechanism
US7334824B2 (en) 2004-10-12 2008-02-26 Kidco, Inc. Door lever lock
FR2884544B1 (fr) * 2005-04-14 2010-04-23 Devismes Poignee de manoeuvre d'ouvrant et dispositif de verrouillage d'un ouvrant equipe de ladite poignee de manoeuvre
US20140367974A1 (en) * 2013-06-18 2014-12-18 Joshua W. Keely Latch for Securing a Storage Container

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US20050073157A1 (en) * 2003-10-01 2005-04-07 Peter Etlicher Pull door lock

Also Published As

Publication number Publication date
GB2562093B (en) 2023-01-18
EP3619380A1 (fr) 2020-03-11
GB201707154D0 (en) 2017-06-21
WO2018203065A1 (fr) 2018-11-08
GB2562093A (en) 2018-11-07

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