EP0713945A1 - 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
EP0713945A1
EP0713945A1 EP94440078A EP94440078A EP0713945A1 EP 0713945 A1 EP0713945 A1 EP 0713945A1 EP 94440078 A EP94440078 A EP 94440078A EP 94440078 A EP94440078 A EP 94440078A EP 0713945 A1 EP0713945 A1 EP 0713945A1
Authority
EP
European Patent Office
Prior art keywords
axis
notch
plate
toothed wheels
pivot
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.)
Granted
Application number
EP94440078A
Other languages
English (en)
French (fr)
Other versions
EP0713945B1 (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 SA
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 EP94440078A priority Critical patent/EP0713945B1/de
Priority to AT94440078T priority patent/ATE177501T1/de
Priority to DE69417040T priority patent/DE69417040T2/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 combination lock device intended to prevent the operation of a bolt.
  • Document FR-A-7826526 describes a secret combination device, comprising at least two concentric barrels pivotally mounted on the same axis and each carrying a toothed pinion which drives a toothed crown by means of at least one stud fixed to 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 this one to go back to its erased position.
  • the object of the present invention is to remedy these drawbacks by proposing a secret lock device with a low cost price, which also allows easy introduction of the combination.
  • the device according to the invention is essentially characterized in that it comprises, on the one hand an axis of maneuvering in free rotation, 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 into three first contiguous toothed wheels, one of which, at the end, is fixedly secured to said axis, to which the other two are secured or not, depending on whether said coupling finger may or may not be in the projecting position; on the other hand a pivot parallel to the operating axis, comprising a longitudinal and diametrical slot, on which are mounted three second toothed wheels each meshing on a toothed wheel of the operating axis, said toothed wheels each having, practiced peripherally and radially in their central opening, a notch capable of being placed, under the effect of rotation said second toothed wheels on said pivot, facing the diametrical slot of the latter, in order to allow the pivoting, around an axis parallel to
  • the coupling finger comprises two parts, a first end part, beveled laterally, extended longitudinally of a second part also beveled laterally but on the opposite side, and whose edge lower longitudinal is in the extension of the upper longitudinal edge of the bevel of the first part, said second part being intended to cooperate with an approximate M-shaped notch formed in the wall of the central opening of the central toothed wheel, while that the first bevelled part is intended to cooperate with a square notch formed in the wall of the central opening of the end gear.
  • the positioning of the toothed wheels of the maneuvering axis is indexed by means of ratchets, and a tooth of the extreme toothed wheel which can be secured by means of the coupling finger to the maneuvering axis comprises a notch capable of engaging in a notch formed in the ratchet which corresponds to it, with a view to locking in said direction of rotation of said toothed wheel.
  • the pivot is integral a plate pivotally mounted on the pivot axis of the locking plate.
  • the operation of the bolt is authorized by the tilting of the locking plate which is only possible when the notches of the toothed wheels of the pivot are all opposite the slot of the latter, in order to allow the projecting part of said plate, trapped in said slot, to disengage from it.
  • the facing of all the notches of the toothed wheels of the pivot is carried out by the simultaneous and / or successive rotation of these, which are driven by the toothed wheels of the operating axis.
  • the device according to the invention comprises a series of three toothed wheels 1, 2 and 3 mounted on a maneuvering axis 4, joined to a series of three other toothed wheels 1 ', 2 'and 3' which mesh with the gear wheels 1, 2 and 3 respectively, and are mounted on a pivot 70 secured to a plate 7 pivotally mounted on an axis 50 secured to a base plate 5 and recalled by a torsion spring 72 threaded on the axis 50, to allow meshing.
  • the pivot 70 has a diametrical slot 71 into which the projecting part 60, folded at a right angle, of a locking plate 6 pivotally mounted on the pivot 50 is introduced.
  • the openings 10 ', 20' and 30 'of the toothed wheels 1', 2 'and 3', through which the pivot 70 passes, are each extended by a notch, respectively 11 ', 21' and 31 ', the setting of which facing the slot 71 of the pivot 70 authorizes the pivoting of the locking plate 6, which is integral with the bolt, not shown, the pivoting of the locking plate 6 thus allowing the latter to be maneuvered.
  • the operating axis 4 has a longitudinal groove 40 in which can pivot, about a diametrical axis 41, in order to extract or not from the groove 40 under the action of a spring 80, a finger coupling 8 which will be described in more detail below.
  • the toothed wheel 3 is secured to the operating axis 4 by means of a notch 30, also visible in FIG. 3c, which is inserted in the groove 40 of the axis 4.
  • the toothed wheels 1, 2 and 3 are associated with ratchets respectively 12, 22, 32, recalled by springs not shown, making it possible to index the positions of the wheels.
  • the coupling finger 8 comprises, from its free end to 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 longitudinal bevel 85 whose inclination is opposite to that of the bevel 83, and which has an upper edge 842, and a lower edge 850 located in the extension of the upper edge 830 of the bevel 83.
  • the lengths of the parts 82 and 84 are approximately equal to the thicknesses of the toothed 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.
  • FIG. 3a it can be seen that the notch 11 of the toothed wheel 1 is positioned radially between two teeth 13 and that it is of substantially square shape, the sides 14 and 15 of this notch being spaced slightly wider to the thickness of the coupling finger 8.
  • the notch 21 is in the approximate shape of a flattened M, having on the one hand two radial sides 24 and 25, the extensions of which pass through the tops of two teeth 23 separated by another, and of on the other hand, two oblique sides 26 and 27, the junction of which forms an edge 28 substantially halfway up the notch 21.
  • the starting position is defined as being that of blocking, in a notch 130 formed in a tooth 13 of the wheel 1, of the ratchet 12 which is associated with it, and which comprises a notch 120, capable, when the operating axis 4 turns in direction R, to wedge in notch 130.
  • a rotation of a notch in the direction S allows the drive, in addition to the toothed wheel 3 which is still driven, of the toothed wheel 1, by means of the face 821 of the coupling finger 8 which abuts against the side 14 of the notch 11, while the toothed wheel 2 is not driven because the bevel 85 then runs along the oblique side 27 and the upper edge 842 of the finger 8 passes the edge 28 of the notch 21 without s 'to hang on to it, which has the effect of partially bringing the coupling finger 8 into the groove 40, but not enough to prevent its face 821 from abutting on the side 14 of the notch 11 of the toothed wheel 1.
  • the toothed wheel 3 always turns, the toothed wheel 2 does not turn, because the edge 842 runs along the side 26 of the notch 21 and passes the edge 28, which has the effect of lowering the coupling finger 8 and has the consequence that the bevel 83 attacks the lower edge of the notch 11 and emerges therefrom, the edge 830 then coming into contact with the wall internal 16 of the toothed wheel 1, which does not move.
  • the toothed wheel 2 rotates, by means of the face 840 of the finger 8 abutting against the side 25 of the notch 21, and the toothed wheel 1 no longer turns, locked by its ratchet 12.
  • the part 84 By extending the rotation by one notch and more, the part 84, due to the semi-lowered position of the coupling finger 8, attacks the lower edge of the side 24 of the notch 21 by the bevel 85, which has for the effect of completely lowering the coupling finger 8, the edge 842 of which bears against the internal wall 29 of the toothed wheel 2, which is therefore no longer driven and which no longer rotates, blocked by its ratchet 22 , wheel 3 only turning.
  • the base plate 5 is crossed by an axis 51, adapted to rotate therein, this rotation being limited to a quarter turn due to the semi-cylindrical shape of the end 52 of this axis 51, which is engaged in an orifice 90 in three quarter round made in the upper plate 9, the axis 51 also comprising a transverse slot 53 in which the plate 7 is engaged.
  • the lock according to the invention may also include a device making it possible to scramble the combination when the bolt is closed, in the event that the user forgets to do so, this device being able to consist of a plate connected to the bolt, which comes, during the displacement thereof, rotate the toothed wheel 2 by at least one notch.

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Chairs Characterized By Structure (AREA)
  • Braking Arrangements (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
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
EP94440078A EP0713945B1 (de) 1994-11-25 1994-11-25 Kombinationsschloss für die Verhinderung der Betätigung eines Riegels
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

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

Family

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

Country Status (3)

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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE351185C (de) * 1919-04-16 1922-04-01 Metallwarenfabrik Sicherheitsschloss
DE351184C (de) * 1918-11-02 1922-04-03 Metallwarenfabrik Sicherheitsschloss
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

Patent Citations (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
EP0713945B1 (de) 1999-03-10
ATE177501T1 (de) 1999-03-15
DE69417040D1 (de) 1999-04-15

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