EP0713945B1 - Kombinationsschloss für die Verhinderung der Betätigung eines Riegels - Google Patents

Kombinationsschloss für die Verhinderung der Betätigung eines Riegels Download PDF

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Publication number
EP0713945B1
EP0713945B1 EP94440078A EP94440078A EP0713945B1 EP 0713945 B1 EP0713945 B1 EP 0713945B1 EP 94440078 A EP94440078 A EP 94440078A EP 94440078 A EP94440078 A EP 94440078A EP 0713945 B1 EP0713945 B1 EP 0713945B1
Authority
EP
European Patent Office
Prior art keywords
spindle
notch
toothed
pivot
plate
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.)
Expired - Lifetime
Application number
EP94440078A
Other languages
English (en)
French (fr)
Other versions
EP0713945A1 (de
Inventor
Christian Provost
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.)
BARAT S.A.
Original Assignee
BARAT SA
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 BARAT SA filed Critical BARAT SA
Priority to AT94440078T priority Critical patent/ATE177501T1/de
Priority to DE69417040T priority patent/DE69417040T2/de
Priority to EP94440078A priority patent/EP0713945B1/de
Publication of EP0713945A1 publication Critical patent/EP0713945A1/de
Application granted granted Critical
Publication of EP0713945B1 publication Critical patent/EP0713945B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B37/00—Permutation or combination locks; Puzzle locks

Definitions

  • the present invention relates to a device combination lock to prevent maneuvering of a bolt.
  • Document FR-A-2 436 237 describes a device for secret suit, comprising at least two guns concentric pivotally mounted on the same axis and bearing each a toothed pinion which drives a notched crown at means of at least one stud integral with said crown, which engages in the interval between two teeth of the pinion, each of the notched crowns comprising a radial notch which, when it is in the axis of a locking piece associated with the bolt of the lock, allows it has to go back to its erased position.
  • this type of device is of a complex design and relatively cost price high, and also has the disadvantage that the system is difficult to disengage to enter the code for the combination.
  • Document DE-C-351185 describes a lock combination which includes, mounted on an axis of maneuvering in free rotation, three ratchet wheels which mesh with three other cogwheels each provided a notch in their central opening, the alignment of three notches for pivoting actuation of a locking plate connected to the bolt, by rotation of the cogwheels driven by ratchet wheels, which may or may not be rotated by a training finger housed in the operating axis and likely to get out, the locking of the ratchet wheels on the operating axis being a function of the combination planned.
  • the device further comprises a wheel auxiliary placed next to the three ratchet wheels and likely to cooperate with the training finger to prevent the existence of double positions likely to lead to the unexpected opening of the lock.
  • a wheel auxiliary placed next to the three ratchet wheels and likely to cooperate with the training finger to prevent the existence of double positions likely to lead to the unexpected opening of the lock.
  • this auxiliary wheel complicates construction of the lock.
  • the present invention aims to provide an alternative construction of the drive finger and toothed wheels.
  • the device according to the invention comprises, same as the device described in document DE-C-351185, on the one hand, a freely rotating maneuvering axis, having a longitudinal groove in which is placed a coupling finger capable of pivoting and, under the effect of a spring, to be extracted from said groove, said axis being introduced in the first three linked cogwheels of which one, end, is always rotated with the axis, to which the other two are joined or not, depending on whether or not said coupling finger is in position protruding; on the other hand a pivot parallel to the axis of operation, comprising a longitudinal slot and diametral, on which three second wheels are mounted toothed meshes each on a gear wheel of the axis of maneuvering, said second gear wheels comprising each, practiced peripherally and radially in their central opening, a notch able to be placed during the rotation of said second toothed wheels on said pivot, in look at the diametral slot of the latter, in order to allow pivoting around an axis
  • the device according to the invention differs from the prior art by the characteristics defined in the characterizing part of claim 1.
  • the positioning of the wheels teeth of the operating axis is indexed by means of ratchets, and a tooth of the extreme toothable wheel via the coupling finger to the axis of maneuvering includes a notch capable of engaging in a notch in the ratchet which corresponds to it, in view of the blocking in a direction of rotation of said wheel toothed.
  • the pivot is integral a pivotally mounted plate on the pivot axis of the condemnation plate.
  • the operation of the bolt is authorized by the tilting of the locking plate which is not possible only when the notches of the pivot gear wheels are all opposite the latter's slot, in order to allow the projecting part of said plate, trapped in said slot, to disengage from it.
  • the device according to the invention comprises a series of three toothed wheels 1, 2 and 3 mounted on a maneuvering axis 4, attached to a series of three other toothed wheels 1 ', 2' and 3 ′ which mesh on the gear wheels 1 respectively, 2 and 3, and are mounted on a pivot 70 secured to a plate 7 pivotally mounted on an axis 50 integral with a base plate 5 and recalled by a torsion spring 72 threaded on axis 50, to allow meshing.
  • the pivot 70 has a diametrical slot 71 into which is inserted the protruding part 60, folded right angle, of a locking plate 6 pivotally mounted on pivot 50.
  • the 10 ', 20' and 30 'openings of the gear wheels 1 ', 2' and 3 ', through which the pivot 70 passes, are extended each of a notch, respectively 11 ', 21' and 31 ', of which the comparison with the slot 71 of the pivot 70 authorizes the pivoting of the locking plate 6, which is secured to the bolt, not shown, the pivoting of the locking plate 6 thus allowing maneuvering of the last.
  • the operating axis 4 has a groove longitudinal 40 in which can pivot, about an axis diametral 41, whether or not to extract from the groove 40 under the action of a spring 80, a coupling finger 8 which will be described in more detail below.
  • the toothed wheel 3 is secured to the axis of operation 4 via a notch 30, also visible in Figure 3c, which fits into the groove 40 of axis 4.
  • the gear wheels 1, 2 and 3 are associated with ratchets 12, 22, 32 respectively, recalled by springs not shown, allowing to index the positions of wheels.
  • the coupling finger 8 comprises, from its free end at its pivotally mounted end, a part 82 having two parallel faces 820 and 821 surmounted by a longitudinal bevel 83, then a portion 84 having two parallel faces 840 and 841 extending the faces respectively 820 and 821, surmounted by a bevel longitudinal 85 whose inclination is opposite to that of bevel 83, and which has an upper edge 842, and a lower edge 850 located in the extension of the edge upper 830 of bevel 83.
  • the lengths of parts 82 and 84 are approximately equal to the thickness of the gear wheels 1 and 2, the part 82 being intended to drive the toothed wheel 1 and the part 84 to drive the toothed wheel 2.
  • the notch 21 has an approximate flattened M shape, presenting a share two radial sides 24 and 25 whose extensions pass through the tops of two teeth 23 separated by a other, and on the other hand two oblique sides 26 and 27 whose junction forms an edge 28 substantially halfway up notch 21.
  • the starting position is defined as that of blocking, in a notch 130 formed in a tooth 13 of the wheel 1, of the ratchet 12 which is associated therewith, and which comprises a notch 120, susceptible, when the axis of maneuver 4 turns in direction R, to come to rest in notch 130.
  • a rotation of a notch in the S direction allows the drive, in addition to the gear 3 which is always driven, the toothed wheel 1, through the face 821 of the coupling finger 8 which abuts against the side 14 of the notch 11, while the gear 2 is not driven because the bevel 85 then runs along the oblique side 27 and the upper edge 842 of finger 8 passes the edge 28 of notch 21 without clinging to it, which has the effect of partially insert the coupling finger 8 into throat 40, but not enough to prevent its face 821 to abut on the side 14 of the notch 11 of the gear 1.
  • part 84 of finger 8 moves in notch 21 without turning the wheel gear 2, and the part 82 does not hook the gear 1 which no longer turns, the wheel 3 only turning.
  • the part 84 By extending the rotation one step or more, the part 84, due to the semi-lowered position of the finger coupling 8, attack the lower edge of side 24 of the notch 21 by the bevel 85, which has the effect to fully lower the coupling finger 8 of which the edge 842 bears against the internal wall 29 of the gear 2, which is therefore no longer driven and which does not turns more, blocked by its ratchet 22, the wheel 3 alone turning.
  • the base plate 5 is crossed by an axis 51, suitable for rotate in it, this rotation being limited to one quarter turn due to the semi-cylindrical shape of the end 52 of this axis 51, which is engaged in a orifice 90 in three quarter of a round made in the plate upper 9, the axis 51 also comprising a slot transverse 53 in which the plate 7 is engaged.
  • the lock according to the invention can also include a device to scramble the combination with the closing of the bolt, in case the user would forget to do so, this device being able to consist of a plate connected to the bolt, which comes, during the moving it, rotate the gear wheel 2 by minus a notch.

Landscapes

  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Braking Arrangements (AREA)

Claims (5)

  1. Kombinationsschloßvorrichtung zur Verhinderung der Betätigung eines Riegels, welche einerseits eine frei drehbare Betätigungswelle (4), die eine Längsnut (40) aufweist, in welcher ein Mitnehmerstift (8) angeordnet ist, der in der Lage ist, zu schwenken und unter dem Einfluß einer Feder (80) aus dieser Nut (40) herausgedrückt zu werden, wobei die Welle (4) in drei hintereinander angeordnete erste Zahnräder (1, 2, 3) gesteckt wird, wovon eines (3), das am Ende befindliche, mit dieser Welle (4) fest verbunden ist, mit welcher die beiden anderen (1, 2) verbunden sind oder nicht, je nachdem, ob sich der Mitnehmerstift (8) in vorstehender Position befindet oder nicht, und andererseits einen mit einer Platte (7) fest verbundenen Zapfen (70) umfaßt, der zur Betätigungswelle (4) parallel angeordnet ist, einen sich in Längsrichtung und quer erstreckenden Schlitz (71) aufweist und auf welchem drei zweite Zahnräder (1', 2', 3') angebracht sind, die jeweils in ein erstes Zahnrad (1, 2, 3) der Betätigungswelle (4) eingreifen, wobei die zweiten Zahnräder (1', 2', 3') jeweils eine in ihrer zentralen Öffnung am Umfang radial angebrachte Aussparung (11', 21', 31') aufweisen, die in der Lage ist, sich bei der Drehung der zweiten Zahnräder (1', 2', 3') auf dem Zapfen (70) gegenüber dessen sich quer erstreckenden Schlitz (71) zu bringen, um das Schwenken eines Sperrblechs (6), das mit dem Riegel verbunden und mit einem vorstehenden Teil (60) versehen ist, der sich zu diesem senkrecht erstreckt und im Schlitz (71) eingesperrt ist, wenn sich dieser nicht sämtlichen Aussparungen (11', 21', 31') gegenüber befindet, um eine Achse (50) zu erlauben, welche fest mit einer Grundplatte (5) verbunden ist und sich parallel zur Einstellwelle (4) und zum Zapfen (70) erstreckt, dadurch gekennzeichnet, das der Mitnehmerstift (8) zwei Teile umfaßt, davon einen seitlich abgeschrägten ersten Endteil (82), welcher längs von einem zweiten Teil (84) verlängert wird, der ebenfalls, aber auf der entgegengesetzten Seite, seitlich abgeschrägt ist und dessen untere Längskante (850) sich in Verlängerung der oberen Längskante (830) der Schräge (83) des ersten Teils (82) befindet, wobei der zweite abgeschrägte Teil (84) dazu bestimmt ist, mit einer M-förmigen Aussparung (21) zusammenzuwirken, die in der Wand der zentralen Öffnung (20) des mittleren Zahnrads (2) angebracht ist, während der erste abgeschrägte Teil (82) dazu bestimmt ist, mit einer quadratischen Aussparung (11) zusammenzuwirken, die in der Wand der zentralen Öffnung (10) des am Ende befindlichen Zahnrads (1) der beiden anderen ersten Zahnräder (1, 2) angebracht ist, so daß nach einer Drehung der Welle (4) in einer ersten Richtung (S), die in einer gleichzeitigen Drehung der drei ersten Zahnräder (1, 2, 3) resultiert, eine Drehung der Welle (4) in die andere Richtung (R) zur Folge hat, daß der zweite abgeschrägte Teil (84) mit der M-förmigen Aussparung (21) zusammenwirkt, damit der erste abgeschrägte Teil (82) am unteren Rand der quadratischen Aussparung (11) angreift und sich dabei löst, und daß eine folgende Drehung in der ersten Richtung (S) bewirkt, daß der zweite abgeschrägte Teil (84) an den unteren Rand der M-förmigen Aussparung (21) angreift und sich dabei löst.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Positionierung der Zahnräder (1, 2, 3) der Betätigungswelle (4) mittels Sperrklinken (12, 22, 32) einrastend durchgeführt wird, wobei ein Zahn (13) des am Ende befindlichen Zahnrades (1), das über den Mitnehmerstift (8) mit der Betätigungswelle (4) verbindbar ist, eine Rastkerbe (130) enthält, welche in der Lage ist, in eine Aussparung (120) einzugreifen, die in der ihm entsprechenden Sperrklinke (12) angebracht ist, um das Zahnrad (1) in einer Drehrichtung zu blockieren.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Zapfen (70) fest auf einer Platte (7) sitzt, die auf der Drehachse (50) des Sperrblechs (6) schwenkbar angebracht ist.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie, um die Kombination mit dem Schließen des Riegels zu stören, ein mit diesem fest verbundenes Blech umfaßt, das bei der Bewegung dieses Riegels das mittlere Zahnrad (2) um mindestens eine Rastkerbe drehen läßt.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß durch die Grundplatte (5) eine Welle (51) führt, deren Ende (52), das die Form eines Zylinders hat, von dem eine Hälfte herausgeschnitten worden ist, in eine dreiviertelkreisförmige Bohrung (90) gesteckt wird, die in einer Abdeckplatte (9) angebracht ist, und daß die Welle (51) einen Querschlitz (53) enthält, in welchen ein Teil des Blechs (7) eingreift, wobei die Drehung der Welle (51) die Wirkung hat, daß das Blech (7) mit der Achse (50) geschwenkt wird und die Zahnräder (1', 2', 3') von den Zahnrädern (1, 2, 3) gelöst werden.
EP94440078A 1994-11-25 1994-11-25 Kombinationsschloss für die Verhinderung der Betätigung eines Riegels Expired - Lifetime EP0713945B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT94440078T ATE177501T1 (de) 1994-11-25 1994-11-25 Kombinationsschloss für die verhinderung der betätigung eines riegels
DE69417040T DE69417040T2 (de) 1994-11-25 1994-11-25 Kombinationsschloss für die Verhinderung der Betätigung eines Riegels
EP94440078A EP0713945B1 (de) 1994-11-25 1994-11-25 Kombinationsschloss für die Verhinderung der Betätigung eines Riegels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94440078A EP0713945B1 (de) 1994-11-25 1994-11-25 Kombinationsschloss für die Verhinderung der Betätigung eines Riegels

Publications (2)

Publication Number Publication Date
EP0713945A1 EP0713945A1 (de) 1996-05-29
EP0713945B1 true EP0713945B1 (de) 1999-03-10

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ID=8218105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94440078A Expired - Lifetime EP0713945B1 (de) 1994-11-25 1994-11-25 Kombinationsschloss für die Verhinderung der Betätigung eines Riegels

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EP (1) EP0713945B1 (de)
AT (1) ATE177501T1 (de)
DE (1) DE69417040T2 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE351184C (de) * 1918-11-02 1922-04-03 Metallwarenfabrik Sicherheitsschloss
DE351185C (de) * 1919-04-16 1922-04-01 Metallwarenfabrik Sicherheitsschloss
GB164704A (en) * 1920-06-14 1922-01-16 Auto Combinator Sa Improvements in or relating to safety devices for preventing the unauthorised operation of locking means
FR576212A (fr) * 1924-01-23 1924-08-13 Serrure à combinaisons
FR642531A (fr) * 1927-10-18 1928-08-30 Perfectionnements aux serrures à combinaisons
FR773381A (fr) * 1934-05-17 1934-11-16 Serrure de sûreté
US2677265A (en) * 1949-06-30 1954-05-04 E A Rosengrens Kassaskapsfabri Combination type control mechanism for lock bolts

Also Published As

Publication number Publication date
DE69417040T2 (de) 1999-06-24
DE69417040D1 (de) 1999-04-15
ATE177501T1 (de) 1999-03-15
EP0713945A1 (de) 1996-05-29

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