EP1526234A1 - Serrure avec tige de poignée verrouillable - Google Patents

Serrure avec tige de poignée verrouillable Download PDF

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Publication number
EP1526234A1
EP1526234A1 EP03447267A EP03447267A EP1526234A1 EP 1526234 A1 EP1526234 A1 EP 1526234A1 EP 03447267 A EP03447267 A EP 03447267A EP 03447267 A EP03447267 A EP 03447267A EP 1526234 A1 EP1526234 A1 EP 1526234A1
Authority
EP
European Patent Office
Prior art keywords
locking
handle shaft
locking lever
lock
lever
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.)
Withdrawn
Application number
EP03447267A
Other languages
German (de)
English (en)
Inventor
Joseph Talpe, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP03447267A priority Critical patent/EP1526234A1/fr
Priority to US10/969,566 priority patent/US7155945B2/en
Priority to PT04105223T priority patent/PT1526235E/pt
Priority to EP20040105223 priority patent/EP1526235B1/fr
Priority to AT04105223T priority patent/ATE351958T1/de
Priority to ES04105223T priority patent/ES2279295T3/es
Priority to DE200460004340 priority patent/DE602004004340T2/de
Publication of EP1526234A1 publication Critical patent/EP1526234A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0657—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like
    • E05B47/0661—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like axially, i.e. with an axially engaging blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0006—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a non-movable core; with permanent magnet

Definitions

  • the present invention relates to a lock comprising a frame; a bolt movably mounted on the frame between a locking and an unlocking position and arranged to be operated by means of at least one handle; a shaft for said handle, which shaft has a longitudinal axis and is pivotally mounted about its longitudinal axis on the frame between a first and a second angular position; a mechanism for actuating the bolt upon rotation of the handle shaft to move the bolt from its locking to its unlocking position when the handle shaft is rotated from its first angular position to its second angular position and to move the bolt from its unlocking to its locking position when the handle shaft is rotated from its second angular position to its first angular position; and a mechanism for locking the handle shaft, which locking mechanism is arranged to be brought in two states, namely in a locking state wherein the handle shaft is locked in its first angular position and in an unlocking state wherein the handle shaft is unlocked, said locking mechanism comprising a locking lever which is fixed with respect to the handle shaft so that it
  • an advantage of such a type of lock is that the handle operated bolt can be used to prevent an unauthorised opening of the door or gate, even when a handle is provided on both sides of the door or gate or when the lock is applied to a gate through or over which the handle on the other side of the gate can be reached.
  • the handle shaft locking mechanism comprises an electromagnet
  • a control by means of an electronic access control device can be provided and/or by means of a remote control.
  • a remote control may enable to lock and unlock the gate for example from within the house.
  • the gate is unlocked, for example when one is outside the house, the gate can still be opened and closed by means of the handles.
  • the lock will usually also comprise a dead bolt operated by means of a key and/or by means of an electronic access control device.
  • the presence of the handle shaft locking mechanism offers the advantage that the door or gate cannot only be locked by means of the dead bolt but also be means of the handle operated bolt. Consequently, when one is in the house, the garden gate could be locked for example only by means of the handle operated bolt so that the lock can be unlocked by means of a remote control whilst when one has left the house, the garden gate can be locked both by means of the handle operated bolt and by means of the dead bolt to provided additional security.
  • the lock comprises a mechanism to unlock the handle operated bolt when unlocking the dead bolt by means of a key operated lock cylinder.
  • a lock of the type defined hereabove is disclosed in DE-A-195 14 742 and in DE-A-36 43 388.
  • the locking lever can be locked by means of an additional lever.
  • the additional lever is pivotally mounted around a fixed pivot and can be rotated in and out of engagement with the locking lever by means of an electromagnet.
  • the additional lever is kept in one angular orientation by means of the electromagnet and is moved to the other angular orientation by means of a small helical spring.
  • An object of the present invention is therefore to provide a new lock, the mechanism for locking the handle shaft can be kept more simple and rendered more robust or reliable.
  • the lock according to the invention is characterised in that said locking mechanism comprises a stop which is fixed with respect to the frame, and at least a portion of the locking lever is arranged to be moved by means of the electromagnet with respect to the handle shaft so that, in the locking state of the locking mechanism, the locking lever is locked behind the stop whilst, in the unlocking state of the locking mechanism, said portion of the locking lever is shifted with respect to said stop so that the locking lever can pass the stop when the handle shaft moves between its first and second angular positions.
  • the locking lever itself, or at least a portion thereof, is moved, no additional lever is required to lock the locking lever and the locking mechanism can be made more simple, robust and reliable. In particular it is possible to avoid the sliding motions of the additional lever which are required in the prior art locks.
  • the locking lever shows an opening through which the handle shaft extends and this opening enables a rotational movement of the locking lever in a plane comprising the longitudinal axis of the handle shaft, the locking lever being arranged to be moved as a whole according to this rotational movement when locking and unlocking the handle shaft by means of said locking means.
  • the locking lever in this advantageous embodiment enables to provide a locking lever of a considerable size without requiring a sliding motion between the locking lever and the frame so that not only the reliability thereof is increased but so that more space is available to provide a larger electromagnet for attracting the locking lever.
  • a larger electromagnet also increases the robustness and the reliability of the locking mechanism.
  • the electromagnet is arranged to move said portion of the locking lever by magnetic attraction of said portion of the locking lever.
  • the electromagnet in addition to the locking lever, no further moving parts are required in the locking mechanism so that the risk of blocking of the lock by dirt or ice is considerably reduced compared to the prior art locks.
  • the electromagnet is further preferably arranged to hold the locking mechanism in its locking state when the electromagnet is being energised so that freezing of the lock is prevented by the heat generated by the electromagnet.
  • the lock shown in the drawings is a lock provided to be mounted against a profile, in particular a tubular profile, of a gate, fence, door, etc.
  • the profile has to be provided with holes so that both the latch and the dead bolt can project there through.
  • a retracted position of the latch or dead bolt this consequently does not mean that the bolt is retracted within the lock but that it is retracted within the tubular profile or that it extends over a small distance out of this profile.
  • the bolt In its extended position, the bolt then extends over a larger distance out of the tubular profile, the difference between these two distances being called the stroke of the bolt.
  • the lock is mounted so that the latch and dead bolts do not have to extend through a profile, the length thereof can of course be reduced.
  • the illustrated lock comprises a frame 1 composed of a cover box 2, a front cover plate 3 for closing the box 2 and a base plate 4 arranged within the closed box 2.
  • the base plate 4 has on its front side an upstanding edge 5 and on its back side two upstanding edge portions 6, 7.
  • the cover box 2 has such dimensions that the base plate 4 can be slid completely therein, more particularly through the substantially rectangular front opening 8 of the box 2, even the upstanding edge 5.
  • the cover plate 3, which is fixed to the upstanding edge 5 of the base plate 4, is somewhat larger than the front opening 8 so that it engages against the peripheral edge thereof.
  • a screw 9 which passes through an opening 10 in the upstanding edge 5 and an opening 11 in the upstanding edge portion 7 of the base plate 4, the base plate and cover plate are fixed to the cover box.
  • the cover box 2 is provided with two aligned openings 12 through which a cylinder 13 can be inserted in the lock, in particular a so-called Euro-cylinder corresponding to the standard DIN V18254/07.91.
  • This key actuated cylinder 13 comprises a rotary driving bit 14 which rotates around a central axis of the cylinder to actuate the lock as described hereinafter.
  • the cylinder 13 is fixed in the lock by means of a screw 15 passing through little holes made in the cover plate 3 and in the upstanding edge 5 of the base plate 4.
  • the cover box 2 is further provided with two additional aligned openings 16 through which the door handles 17 can be mounted to the lock. Both handles 17 are mounted onto a square handle shaft 18, having a longitudinal axis 48 and extending uninterruptedly from one handle to the other. In this way, both handles move always simultaneously and the lock can be operated by both handles without having to actuate first any clutch mechanism.
  • the illustrated lock further comprises a bolt 19 which is operated by means of the handles 17 to move it between a locking and an unlocking position.
  • the bolt 19 is in particular a latch bolt which is slidably mounted on the frame 1 of the lock, more particularly within an opening 20 in the upstanding edge portion 6 and an opening 21 in the upstanding edge 5 of the base plate 4.
  • the latch bolt 19 can thus move between a projecting position shown in Figures 1 and 2 and a retracted position which has not been shown.
  • a compression spring 22 is applied over the latch bolt 19 to urge this bolt to its projecting position.
  • This follower 23 is provided in its turn with a latch bolt lever 24 which follows the rotations of the handles 17 and which engages the latch bolt 19 against the action of a main spring 25 to retract this latch bolt.
  • the main spring 25 serves to push the latch bolt lever 24 and thus the follower 23 and the handles 17 and handle shaft 18 to their initial rest positions.
  • the handle shaft 18 can be rotated by means of the handles 17 between a first angular position, wherein the latch bolt 19 is in its projecting or locking position, and a second angular position, wherein the latch bolt 19 is in its retracted or unlocking position.
  • treaded holes 26 are provided in the lateral sides of the latch bolt 19.
  • an adjustment screw 27, forming an abutment for the compression spring 22 and for the latch bolt lever 24 can be fixed.
  • the different positions of the holes 26 correspond to different distances over which the latch bolt 19 projects out of the lock.
  • the lock illustrated in the drawings also comprises a dead bolt 28.
  • the dead bolt 28 is slidably mounted on the frame 1 between a projecting position, illustrated in Figures 1 and 2, and a retracted position which has not been illustrated.
  • the dead bolt 28 can more particularly slide in an opening 31 in the upstanding edge portion 7 and an opening 32 in the upstanding edge 5 of the frame 1.
  • the dead bolt 28 is provided with treaded holes 29 wherein a screw 30 can be fixed.
  • the holes 29 are located to enable an adjustment of the distance over which the dead bolt projects out of the lock, i.e. to enable to adjust the lock to different diameters of the profile to which it is to be mounted.
  • the dead bolt 28 is not urged by a spring to its projecting position but is locked in both its retracted and projecting positions by means of locking means.
  • these locking means comprise a retaining plate 33 which is slidably mounted in the up- and downward direction on the frame 1.
  • the plate 33 is provided with a slot 34, which form at both ends an upward notch 35.
  • the plate 33 is urged downward by means of an end 36 of the main spring 25, which engages an upstanding edge of the plate 33, so that the screw 30 fixed to the dead bolt projects into one of the notches 35 and thus locks the dead bolt 28 in one of its extreme positions.
  • the movement of the dead bolt 28 between its two extreme positions is controlled by rotating the key in the cylinder 13, or in other words by the resulting rotation of the rotary driving bit 14.
  • this bit 14 When rotating this bit 14, it first of all engages the bottom edge of the retaining plate 33 so that this plate is lifted and the dead bolt is unlocked.
  • the rotary driving bit 14 does not act directly upon the dead bolt 28 but instead through the intermediary of a dead bolt lever 37.
  • This lever 37 is pivoted onto the base plate 4 about a pivot 38.
  • the free extremity of the lever 37, situated opposite the pivot 38, is provided with a slot 39. This free extremity extends within the dead bolt 28 so that the adjustment screw 30 extends through the slot 39 of the lever 37.
  • the driving bit 14 engages the dead bolt lever 37 in a notch 40 situated between the dead bolt 28 and the pivot 38.
  • the dead bolt lever 37 rotates in the same direction around the pivot 38 and the dead bolt moves along since the screw 30 extends through the slot 39 in the dead bolt lever 37.
  • the presence of the dead bolt lever offers however the advantage of increasing the stroke of the dead bolt.
  • An additional advantage of the presence of the dead bolt lever 37 is that it can be used to move a second turn pusher 41 into and out of the path of the rotary driving bit 14.
  • a second turn pusher 41 is connected to a second turn lever 42 arranged to move the latch bolt 19, against the action of the compression spring 22, from its projecting to its retracted position.
  • the second turn lever 42 is more particularly rotatably applied over the follower 23. It engages the screw 27 on the latch bolt 19 and shows further a hole 43 wherein the free extremity of the pusher 41, which is hook shaped, is applied.
  • the pusher 41 is provided with a slot 44 by means of which it is slidably connected to an arm 45 of the dead bolt lever 37.
  • This connection between the pusher 41 and the arm 45 of the dead bolt lever 37 is located between the dead bolt 28 and the pivot 38 of the dead bolt lever 37 so that the pusher 41 is out of the path of the rotary driving bit 14 in the projecting position of the dead bolt 28 but comes into this path when the dead bolt moves, upon a first turn of the rotary bit 14, to its retracted position.
  • this rotary bit 14 engages a hook shaped portion 46 of the pusher 41 and pushes this pusher 41 upwards to rotate the second turn lever 42 and thus retract the latch bolt 19.
  • EP-B-1 118 739 which is also in the name of the present applicant, discloses more details of the above described features of the lock. The more detailed description of the lock given in this prior European patent is therefore taken up in the present specification by way of reference.
  • the lock according to the invention comprises further a mechanism for locking the handle shaft 18 so that the lock cannot only be locked by means of the dead bolt but also by means of the latch bolt.
  • a dead bolt is preferred, it is consequently also possible to omit the dead bolt, and the above described mechanism for operating the dead bolt by means of the cylinder 13.
  • the mechanism for locking the handle shaft 18 comprises first of all a locking lever 47.
  • This locking lever 47 is fixed to the handle shaft 18 so that it rotates together with the handle shaft about the longitudinal axis 48 thereof.
  • the locking lever 47 is provided with an opening 49 through which the handle shaft 18 extends.
  • the handle shaft 18 engages the inner side of the opening 49 of the locking lever 47.
  • the opening 49 in the locking lever 47 has a shape so that it prevents the locking lever from rotating around the longitudinal axis 48 of the handle shaft with respect to this handle shaft 18.
  • the opening 49 has more particularly a same square cross-section as the handle shaft.
  • the opening 49 in the locking lever 47 fits however with some clearance around the handle shaft 18 so that the locking lever 47 can rotate over a small angle in a plane comprising the longitudinal axis 48 of the handle shaft 18, more particularly according to arrows 50 and 51 in Figures 5, 6 and 7.
  • the locking lever 47 engages the front of the follower 23 and the front of the second turn lever 42 which is applied over the follower 23.
  • the locking lever 47 is maintained in its position against the follower 23 and the second turn lever 42 by means of a resilient, hook shaped piece of sheet metal 52 which is fixed to the upstanding edge 5 of the base plate 4.
  • the front side of the follower 23 is provided with two notches 53 (see Figure 4) wherein corresponding projections on the back of the locking lever 47 can engage (not shown in the figures).
  • the mechanism for locking the handle shaft 18 comprises an electromagnet 54 which is fixed in a hole 55 in a mounting element 56.
  • This mounting element 56 is fixed to the base plate 4 of the lock.
  • the mounting element 56 is more particularly positioned with one end between the two upstanding edge portions 6 and 7 of the base plate 4 and has two grooves 57 wherein the upstanding edge portions 6 and 7 extend to fix the mounting element to the base plate.
  • the electromagnet 54 is arranged to lock the locking lever 47, and hence the handle shaft 18, in its first angular position, namely in the angular position of the handle shaft wherein the latch bolt 19 is in its locking or projecting position.
  • the electromagnet 54 and the locking lever 47 are mounted in such a manner in the lock that, in the first angular position of the handle shaft 18, the locking lever 47 is situated in front of the electromagnet 54 so that the locking lever can be attracted magnetically towards the electromagnet.
  • the electromagnet 54 preferably attracts the locking lever 47 in a direction which is substantially parallel to the longitudinal axis 48 of the handle shaft 18 so that the locking lever can be rotated, as explained hereabove and illustrated in Figures 5 to 7, in a plane containing the longitudinal axis 48 of the handle shaft 18.
  • the front surface of the mounting element 56 for the electromagnet 54 shows a shoulder forming a stop 58 which is fixed with respect to the frame and is more particularly in a fixed position with respect to the frame.
  • the stop 58 is intended for locking the locking lever 47 in the locking state of the locking mechanism, more particularly when the locking lever 47 is attracted magnetically towards the electromagnet in the first angular position of the handle shaft.
  • the locking mechanism of the lock illustrated in the drawings further comprises a spring 59 for urging the locking lever 47 away from the electromagnet 54 so that the locking lever 47 can pass the stop 58 when the locking mechanism is in its unlocking state (see Figures 5 and 6), more particularly when the electromagnet 54 is de-energised so that the locking lever is no longer attracted by the electromagnet.
  • the handle shaft 18 can thus be rotated from its first to its second angular position to withdraw the latch bolt 19.
  • the spring 59 may be a leaf spring positioned between the locking lever 47 and the front surface of the mounting element 56.
  • the spring 59 is however a spiral compression spring 59 applied in a boring 60 in the mounting element 56 underneath the locking lever 47.
  • the boring extend substantially in the same direction as the direction wherein the locking lever is moved when the electromagnet is energised and de-energised in the first angular position of the handle shaft. At the location of the stop 58, this direction is substantially parallel to the longitudinal axis 48 of the handle shaft 18.
  • the end of the boring 60 facing the locking lever 47 has a reduced cross-section and is in particular slot shaped whilst the other part of the boring is cylindrical.
  • a sliding piece 61 is provided in the boring 60, the sliding piece 61 having one end with a reduced cross-section projecting through the slot shaped end of the boring and another, cylindrical end fitting into the cylindrical part of the boring 60.
  • the boring 60 is closed off by means of a stopper 62 to maintain the spring 59 and the sliding piece 61 in the boring 60.
  • the end of the sliding piece which has a reduced cross-section so that it can penetrate through the slot shaped end of the boring has such a length that, when being pushed out of the boring by the spring, i.e. when the electromagnet is de-energised, it can push the locking lever 47 away from the electromagnet so that it can be rotated by the handle shaft over the stop or shoulder 58 (see Figures 5 and 6).
  • the locking lever can be locked behind the stop or shoulder 58 when energising the electromagnet.
  • the locking lever will always be locked behind the stop 58, even when the electromagnet would be energised when the handle shaft is rotated by one of the handles so that it is not in its first angular position wherein the latch bolt projects out of the lock.
  • the locking means of the illustrated lock comprise a guide 63 formed by the mounting element 56 on the other side of the shoulder or stop 58 so that, even when the locking lever 47 is attracted towards the electromagnet 54, the springs 22 and 25 are strong enough to rotate the handle shaft back to its first angular position with the locking lever 47 sliding over the guide surface 63 until it snaps behind the stop and pushes the sliding piece 61 into the boring 60.
  • the latch bolt When actuating the locking means to lock the latch bolt, the latch bolt will thus always be locked, independing of the angular position of the handle shaft 18.
  • the electromagnet is arranged to hold the locking mechanism in its locking state when the electromagnet is being energised.
  • the locking lever 47 could be made of two parts which are for example hinge connected to one another so that only the free end portion of the locking lever has to be moved by means of the electromagnet to lock or unlock the locking lever.
  • the free end portion of the locking lever could also form an angle with the other portion of the locking lever and could in particular extend parallel to the longitudinal axis of the handle shaft.
  • the embodiment illustrated in the drawings is however preferred since it contains less moving elements and is thus more reliable and robust.

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  • Lock And Its Accessories (AREA)
EP03447267A 2003-10-24 2003-10-24 Serrure avec tige de poignée verrouillable Withdrawn EP1526234A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP03447267A EP1526234A1 (fr) 2003-10-24 2003-10-24 Serrure avec tige de poignée verrouillable
US10/969,566 US7155945B2 (en) 2003-10-24 2004-10-20 Lock having a lockable handle shaft
PT04105223T PT1526235E (pt) 2003-10-24 2004-10-21 Equipamento de iluminação e armação na qual se fixa o equipamento de iluminação
EP20040105223 EP1526235B1 (fr) 2003-10-24 2004-10-21 Serrure avec tige de poignée verrouillable
AT04105223T ATE351958T1 (de) 2003-10-24 2004-10-21 Schlo mit verriegelbarem griffstift
ES04105223T ES2279295T3 (es) 2003-10-24 2004-10-21 Cerradura provista de un arbol de picaporte que se puede bloquear.
DE200460004340 DE602004004340T2 (de) 2003-10-24 2004-10-21 Schloss mit verriegelbarem Griffstift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03447267A EP1526234A1 (fr) 2003-10-24 2003-10-24 Serrure avec tige de poignée verrouillable

Publications (1)

Publication Number Publication Date
EP1526234A1 true EP1526234A1 (fr) 2005-04-27

Family

ID=34384753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03447267A Withdrawn EP1526234A1 (fr) 2003-10-24 2003-10-24 Serrure avec tige de poignée verrouillable

Country Status (1)

Country Link
EP (1) EP1526234A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260568A (en) * 1991-09-05 1993-04-21 Ogden Industries Pty Ltd Solenoid central led lock
DE19514742A1 (de) * 1995-04-21 1996-10-24 Geco Systemtechnik Gmbh Rohrrahmenschloß

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260568A (en) * 1991-09-05 1993-04-21 Ogden Industries Pty Ltd Solenoid central led lock
DE19514742A1 (de) * 1995-04-21 1996-10-24 Geco Systemtechnik Gmbh Rohrrahmenschloß

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