EP0118910A2 - Cylindre de fermeture - Google Patents

Cylindre de fermeture Download PDF

Info

Publication number
EP0118910A2
EP0118910A2 EP84102633A EP84102633A EP0118910A2 EP 0118910 A2 EP0118910 A2 EP 0118910A2 EP 84102633 A EP84102633 A EP 84102633A EP 84102633 A EP84102633 A EP 84102633A EP 0118910 A2 EP0118910 A2 EP 0118910A2
Authority
EP
European Patent Office
Prior art keywords
locking
cylinder core
housing
key
lock cylinder
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
EP84102633A
Other languages
German (de)
English (en)
Other versions
EP0118910A3 (en
EP0118910B1 (fr
Inventor
Heinz Wolter
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.)
Dom Sicherheitstechnik GmbH and Co KG
Original Assignee
Dom Sicherheitstechnik GmbH and Co KG
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 Dom Sicherheitstechnik GmbH and Co KG filed Critical Dom Sicherheitstechnik GmbH and Co KG
Priority to AT84102633T priority Critical patent/ATE29269T1/de
Publication of EP0118910A2 publication Critical patent/EP0118910A2/fr
Publication of EP0118910A3 publication Critical patent/EP0118910A3/de
Application granted granted Critical
Publication of EP0118910B1 publication Critical patent/EP0118910B1/fr
Expired 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
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0066—Side bar locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B11/00—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys

Definitions

  • the invention relates to a lock cylinder with a cylinder core rotatable in the housing, having the key slot and tumblers arranged in it, which can be arranged by the key and to which escape spaces are assigned beyond the rotary joint of the cylinder core.
  • the object of the invention is based on the object of designing a locking cylinder of the type required in a manner that is simple to manufacture in such a way that a large number of key withdrawal positions is possible with a small design.
  • a generic locking cylinder which, in a small design, realizes a large number of key withdrawal positions. This is possible because of the body dragged during the closing rotation, so that in each key withdrawal position the tumblers are opposite the corresponding escape spaces. Rotation of the cylinder core is blocked in the respective key withdrawal positions, so that further rotation can only be carried out by means of the key associated with the locking cylinder. E.g. 12, 16 and more key withdrawal positions can be generated in this way. It even opens up the possibility of creating rotational angle positions in which the key cannot be inserted or removed. The body is then shifted in these positions so that its escape spaces do not align with the tumblers. Such embodiments are particularly suitable as key switches that are to be used in computer keyboards.
  • the cylinder core In order to be able to remove the key, the cylinder core must always be turned to a corresponding key withdrawal position so that the body's escape spaces are aligned with the tumblers. It is particularly advantageous if the body returns to its corresponding position due to spring loading.
  • the control from the aligned position can be done favorably via the housing-side projection.
  • Balls are particularly suitable for the projections, which balls are to be inserted into corresponding receiving bores lying on a ring. If the key is not to be removable in a rotary position of the cylinder core, only a ball is to be inserted into the corresponding receiving bore, which then moves the bar. The latter is located in the intermediate sleeve that receives the cylinder core.
  • this is used to accommodate the locking projection that blocks the rotational position of the intermediate sleeve. If the key is in the Inserted cylinder core and rotated by a small amount of angle, the locking projection controls from the associated locking space of the inner casing wall of the housing, and the cylinder core with the intermediate sleeve surrounding it can be shifted relative to the housing into the corresponding rotational angle position.
  • it is advantageous to form the blocking spaces of ribs of the housing and to align them with the receiving bores for the balls.
  • the rotation of the cylinder core with the intermediate sleeve relative to the housing is facilitated by the fact that the side flanks of the ribs are designed as run-on bevels.
  • the latching locking member is controlled with its outer end by recesses in the housing and the inner end thereof cooperates with locking openings of the tumblers
  • a large number of key withdrawal positions can also be achieved with a small design.
  • the number of trigger positions depends on how many recesses are provided on the inner surface of the housing.
  • This version can be realized with both plate-like and pin-shaped tumblers.
  • a particularly small design with a large number of key withdrawal positions results from the fact that the tumbler interacts on the one hand with the housing-side escape spaces and on the other hand with the key-controlled locking members. If the tumbler is in a less deeply designed escape space, its inner end still extends within the locking opening of the locking member. It is not possible to control the key and the key cannot be removed. Removing the key requires that the tumbler is located in the lower-level escape rooms, whereby it releases the locking elements for displacement.
  • the locking cylinder shown in FIGS. 1-9 has a cylindrical housing 2 equipped with an end flange 1. The latter is provided with a thread 3 on its outer circumference.
  • the bottom 4 of the housing 2 opposite the flange 1 continues into a collar 5 with a smaller cross section. On the outside, this is provided with an annular groove 6 for receiving a spring ring 7. This serves to secure the position of a bush 8 which is plugged onto the collar, the bush base 9 of which comes flat against the bottom 4 of the housing 2.
  • the inner jacket wall of the housing 2 is equipped with twelve blocking spaces 10 arranged in the same angular distribution, which are formed by ribs 11, the side flanks 11 'of which are designed as run-on slopes. In alignment with the blocking spaces 10, which extend almost over the length of the housing 2, there are receiving bores 12 lying on a ring in the base 4.
  • An intermediate sleeve 13 is rotatably supported in the housing 2.
  • the end of the intermediate sleeve facing the flange 1 forms a collar 14 which lies in a recess 15 in the end face of the housing 2 and thus leads to securing the position of the intermediate sleeve in one direction.
  • a stepped pin 16 penetrating the collar 5 of the housing 2 is used. Its outer circumference has an annular groove 17 for inserting a spring ring 18 which is supported on the front end of the collar 5.
  • the end of the intermediate sleeve 13 facing the pin 16 is provided with a groove 19. The same lies at the level of the ring of the receiving bores 12.
  • FIG. 7 illustrates that three of these receiving bores 12 receive projections 20 in the form of spheres, which spherical projections 20 are thicker than the bottom 4 of the housing and accordingly into the groove 19 of the intermediate sleeve 13 protrude.
  • a rectangular opening extends toward its outer surface Take 21 for guiding a locking projection 22.
  • a cylinder core 25 mounted in a bore 24 of the intermediate bush 13 is used to control the locking projection 22.
  • This is also provided with a collar 26 which lies in a cross-sectionally adapted front cavity 27 of the intermediate bush 13 and serves to secure the position of the cylinder core 25 in one direction.
  • the cylinder core 25 cannot be removed, it is equipped at the inner end with a transverse groove 28 into which a pin 29 driven into the intermediate bush 13 is inserted at its end, cf. in particular FIGS. 4 and 9.
  • the free end of the cylinder core 25 continues into a driver 25 ', against the underside of which a driver step 22 "of the locking projection 22 occurs.
  • the driver 25' forms a supporting projection 25" on the side facing the locking head 22 ', which is opposite the locking head.
  • the cylinder core 25 there are several successive guides 30 for receiving plate tumblers 31.
  • the same are loaded in a known manner by springs, not shown, which press the plate tumblers in the outward direction such that their ends 31 'endeavor in an internal longitudinal groove 32 Intermediate sleeve 13 to intervene.
  • springs not shown, which press the plate tumblers in the outward direction such that their ends 31 'endeavor in an internal longitudinal groove 32 Intermediate sleeve 13 to intervene.
  • the plate-like tumblers 31 with the ends 31 ' dip into the longitudinal groove 32 of the intermediate bush and preclude rotation of the cylinder core 25 relative to the intermediate bush 13.
  • the locking head 22 ′ of the locking projection 22 lies in a locking space 10.
  • a guide groove 35 is incorporated in the intermediate sleeve, which is in the area of the to Attitudes 31 is connected to the core bore 24.
  • the guide groove 35 receives a bar 36 which extends almost over the length of the intermediate sleeve 13 and whose outer surface is adapted to the outer curvature of the intermediate sleeve 13.
  • the bar 13 is acted upon by a compression spring 37 in the direction of the bottom 4.
  • the compression spring 37 is supported on a transversely directed projection 38 of the intermediate sleeve 13 and presses against a step 39 arranged perpendicular to the direction of displacement of the bar 36.
  • the front end 36 'of the bar 36 preceding the step 39 is chamfered roof-like and lies at the level of the Bottom 4 of the housing 2.
  • the other end of the strip 36 is equipped on the inside at the level of the tumblers 31 with escape spaces 40. They are flush with the tumblers 31 if the strip 36 is not displaced by a ball projection 20, see FIG. 6. Then the key 34 can be inserted and removed in the cylinder core.
  • the housing bears the reference number 41.
  • the housing 41 is designed with a bearing bore 42 for receiving a sleeve 43 which is adapted to the diameter and forms the body.
  • spherical projections 44 lying on a ring extend, in a uniform angular distribution.
  • the ball projections 44 are embedded in radially directed receiving bores 45 of the housing and project beyond the bottom 46 of the housing in the direction of the bearing bore 42.
  • the sleeve 43 is slidably seated on a cylinder core 47.
  • the latter forms a collar 48 at its front end.
  • the opposite inner end is continued in a pin 49 which can enter a bore 50 of the housing with a smaller cross-section adjoining the bearing bore 42.
  • a spring ring 51 is used, which can be inserted into an annular groove 52 of the pin 49 and is supported on the bottom 46 of the housing 41.
  • the unit consisting of the cylinder core 47 and the sleeve 43 can be rotated. Then the sleeve 43 can shift against spring action, caused by the control resulting from ball projections 44 and latching niches 55.
  • the third exemplary embodiment of the locking cylinder illustrated in FIG. 11 has a housing 59.
  • the cavities 62 In a diametrically opposed position, the cavities 62 have escape spaces 64 for the ends of the plate-shaped tumblers 65.
  • Each plate tumbler 65 is loaded by a compression spring 66, so that the tumbler 65 endeavors to engage in the upper escape space 64.
  • the plate tumbler 65 forms a locking opening 67. This interacts with the inner end 68 of a locking locking element 69.
  • a radial bore 70 of the intermediate bush 61 which radial bore 70 extends into, serves to guide the locking locking member 69 the cylinder core 63 continues.
  • the cylinder core 63 is arranged non-rotatably to the intermediate sleeve 61.
  • the inner end 68 is smaller in cross section than the locking blocking member 69, which merges into a cone tip 69 '.
  • a compression spring 71 loads the latching locking member 69 in the outward direction, wherein the cone tip 69 'enters a recess 72 which emanate from the bore 60 of the housing 59 in the same angular distribution.
  • Three depressions 72 ′ have a smaller depth than the remaining depressions 72.
  • the key 73 If the key 73 is inserted into the locking cylinder according to this embodiment, it arranges the plate-like tumblers 65 in such a way that their ends leave the escape spaces 64 of the intermediate bush 61. Then the locking openings 67 are aligned with the inner ends 68 of the locking locking members 69. The cylinder core with the intermediate sleeve 61 surrounding it can then be rotated into corresponding positions. During this process, the locking locking member 69 is moved inward, with its inner end 68 immersed in the locking opening 67. The key 73 can be removed as long as the rotational angle positions are selected in which the latching locking member 69 is immersed in the deeper recesses 72.
  • the variant illustrated in FIG. 12 essentially corresponds to that of the construction illustrated in FIG. 11.
  • the tumbler 65 ' is designed in the form of a pin and the blocking opening 67' is designed as an annular groove.
  • the tumbler 65 ' is aligned with an escape space 64' arranged in the intermediate sleeve 61 ', in which a pin 75 loaded by a compression spring 74 is seated. If the key 76 is inserted into the cylinder core 63 ', the tumblers 65' are arranged in such a way that the parting line between the tumbler 65 'and the pin 75 lies on the joint of the cylinder core.
  • the pin 75 could be dispensed with, so that the compression spring 74 is then immediate acts on the pin-shaped tumbler 65 '.
  • This can be done because the cylinder core 63 'sits non-rotatably in the intermediate sleeve 61'.
  • the non-rotatability is brought about by the latching locking member 69, the inner end 68 of which is at the level of the locking opening 67 'when the key 76 is inserted.
  • the head of the locking locking member 69 is dome-shaped.
  • the recesses 77 of the housing 59 ' have an adapted shape. Some of these recesses 77 ' also have a smaller depth, so that rotational angle positions are possible in which the inner end 68 engages in the locking opening 67' of the tumbler 65 'and thus prevents the key 76 from being removed.
  • FIGS. 13 and 14 has a housing 78. From its bore 79, escape spaces 79 arranged at the same angular distance from each other extend. The same are designed as roof-shaped grooves arranged in the longitudinal direction of the housing 78. Alternative spaces 80 'with a smaller depth are provided.
  • the cylinder core 81 is supported in the bore 79 of the housing 78.
  • the cylinder core 81 receives plate-shaped locking members 83 loaded by compression springs 82. Its length extending in the direction of displacement is less than the diameter of the cylinder core 81.
  • each locking member 83 forms a locking opening 84 which, when the key 85 is inserted, is aligned with the inner end 86 of a strip-shaped tumbler 87.
  • the outer end of which is adapted to the cross section of the escape spaces 80.
  • the strip-shaped tumbler 87 is loaded by compression springs, not shown, in the direction of the escape spaces. If the tumbler 87 is located in an escape space 80 of greater depth, the inner end 86 of the tumbler 87 lies outside the range of movement of the facing edge of the locking member 83.
  • This position enables the cylinder core 81 to be rotated, the tumbler 87 inevitably executing an evasive movement and dips with its inner end 86 into the locking opening 84 of the locking member 83.
  • the key 85 can also be removed from such a position.
  • Fig. 14 shows the position in which the key is removed. Then the compression spring 82 has shifted the locking member 83 in the upward direction. The latter is supported on the inner wall of the housing 78. Now the inner end 86 of the tumbler 87 is not aligned with the locking openings 84 of the locking members 83. Rotating the cylinder core 81 to the housing 78 is not possible since the tumbler 87 is then controlled inwards in the radial direction. The inner end 86 of this occurs against the facing edge of the locking members 83 because of the shifted locking openings 84.
  • pin-shaped locking members could also be used, the locking opening 84 then having to be designed in the manner of a ring.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Fluid-Damping Devices (AREA)
  • Chairs Characterized By Structure (AREA)
EP84102633A 1983-03-12 1984-03-10 Cylindre de fermeture Expired EP0118910B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102633T ATE29269T1 (de) 1983-03-12 1984-03-10 Schliesszylinder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3308916 1983-03-12
DE19833308916 DE3308916A1 (de) 1983-03-12 1983-03-12 Schliesszylinder

Publications (3)

Publication Number Publication Date
EP0118910A2 true EP0118910A2 (fr) 1984-09-19
EP0118910A3 EP0118910A3 (en) 1985-03-13
EP0118910B1 EP0118910B1 (fr) 1987-09-02

Family

ID=6193324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102633A Expired EP0118910B1 (fr) 1983-03-12 1984-03-10 Cylindre de fermeture

Country Status (3)

Country Link
EP (1) EP0118910B1 (fr)
AT (1) ATE29269T1 (fr)
DE (2) DE3308916A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0571172A1 (fr) * 1992-05-21 1993-11-24 DOM-Sicherheitstechnik GmbH & Co. KG Serrure cylindrique à paillettes
EP1284332A3 (fr) * 2001-08-16 2004-04-07 Huf Hülsbeck & Fürst GmbH & Co. KG Serrure cylindrique
CN101338633B (zh) * 2007-07-05 2011-07-20 章林峰 无簧叶片锁头

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8414132D0 (en) * 1984-06-02 1984-07-04 Ellis A E H Lock mechanisms
DE202007015281U1 (de) 2007-10-30 2009-03-12 Dom Sicherheitstechnik Gmbh & Co. Kg Schaltschloss
MY175500A (en) * 2015-05-13 2020-06-30 Khiam Seng Tan Anti-theft lock

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469018A (en) * 1945-08-17 1949-05-03 Gunnar E Swanson Cylinder lock key retainer and positioner
DE1285355B (de) * 1964-03-18 1968-12-12 Gen Motors Corp Drehzylinderschloss
DE2624320A1 (de) * 1975-07-02 1977-01-20 Bauer Kaba Ag Zylinderschloss mit mehrfachschluesselabzug fuer drehschalter
DE3203888A1 (de) * 1981-02-05 1982-11-25 Lori Corp., 06489 Southington, Conn. Zylinderschloss

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469018A (en) * 1945-08-17 1949-05-03 Gunnar E Swanson Cylinder lock key retainer and positioner
DE1285355B (de) * 1964-03-18 1968-12-12 Gen Motors Corp Drehzylinderschloss
DE2624320A1 (de) * 1975-07-02 1977-01-20 Bauer Kaba Ag Zylinderschloss mit mehrfachschluesselabzug fuer drehschalter
DE3203888A1 (de) * 1981-02-05 1982-11-25 Lori Corp., 06489 Southington, Conn. Zylinderschloss

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0571172A1 (fr) * 1992-05-21 1993-11-24 DOM-Sicherheitstechnik GmbH & Co. KG Serrure cylindrique à paillettes
EP1284332A3 (fr) * 2001-08-16 2004-04-07 Huf Hülsbeck & Fürst GmbH & Co. KG Serrure cylindrique
CN101338633B (zh) * 2007-07-05 2011-07-20 章林峰 无簧叶片锁头

Also Published As

Publication number Publication date
EP0118910A3 (en) 1985-03-13
DE3308916A1 (de) 1984-09-13
DE3465756D1 (en) 1987-10-08
EP0118910B1 (fr) 1987-09-02
ATE29269T1 (de) 1987-09-15

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