EP0900899A2 - Système de protection du canal de clé d'une serrure interdisant l'accès non-autorisé et le vandalisme - Google Patents

Système de protection du canal de clé d'une serrure interdisant l'accès non-autorisé et le vandalisme Download PDF

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Publication number
EP0900899A2
EP0900899A2 EP98113977A EP98113977A EP0900899A2 EP 0900899 A2 EP0900899 A2 EP 0900899A2 EP 98113977 A EP98113977 A EP 98113977A EP 98113977 A EP98113977 A EP 98113977A EP 0900899 A2 EP0900899 A2 EP 0900899A2
Authority
EP
European Patent Office
Prior art keywords
securing element
locking
opening
skids
locking spring
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
EP98113977A
Other languages
German (de)
English (en)
Other versions
EP0900899B1 (fr
EP0900899A3 (fr
Inventor
Wolfgang Wagner
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.)
IPM INTERNATIONAL SA
Original Assignee
Electrowatt Technology Innovation AG
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 Electrowatt Technology Innovation AG filed Critical Electrowatt Technology Innovation AG
Publication of EP0900899A2 publication Critical patent/EP0900899A2/fr
Publication of EP0900899A3 publication Critical patent/EP0900899A3/fr
Application granted granted Critical
Publication of EP0900899B1 publication Critical patent/EP0900899B1/fr
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
    • E05B17/00—Accessories in connection with locks
    • E05B17/14—Closures or guards for keyholes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/008—Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys

Definitions

  • the invention relates to an arrangement for securing a key opening Lock against unauthorized access or vandalism according to the preamble of claim 1.
  • the arrangement is used for locking devices of all kinds, which have a special one Protection against unauthorized access and especially against vandalism, for example from cash cassettes in a variety of different ways Cash dispensers arranged in vending machines, particularly for safes from coin-operated telephones - Machines.
  • This device has the disadvantage that the torque for locking and unlocking is practical is of the same size, so that with a locking cap that is easy to secure, even from The lock can be unlocked by unauthorized persons.
  • the invention has for its object to a cap for securing a lock create where the torque when unlocking is several times greater than when locking.
  • 1 means a lock, 2 a door leaf of a safe door, 3 an opening in the door leaf 2, 4 a closure cap placed on the outside of the door leaf 2 and 5 a securing element.
  • a recess in the closure cap 4 forms between the closure cap 4 and the door leaf 2 a cylindrical cavity 6, which has a cylindrical recess 8 via a passage 7 the front surface 9 of the closure cap 4 is connected.
  • a housing 10 of the lock 1 has Keyhole 11 in order to operate the lock 1 a key, not shown here introduce.
  • the keyhole 11, the cavity 6, the passage 7 and the cylindrical recess 8 have a common axis 12.
  • the cavity 6 and the recess 8 have the same Inner radius R1, while the passage 7 has a smaller inner radius R2.
  • FIG. 2 shows the top view of the front surface 9 of the closure cap 4.
  • a passage for the Arms of the locking spring 22 (Figure 1) has the passage 7 slot-shaped extensions 23, 24 from Inner radius R2 to the inner radius R1, which the cavity 6 ( Figure 1) with the recess 8th connect and are so wide that when inserting the securing element 5 ( Figure 1) the arms of Locking spring 22 at the lower end of the securing element 5 through the slot-shaped Extensions 23, 24 penetrate into the cavity 6.
  • the securing element 5 are therefore fully inserted into the recess 8 until the Annular surface 18 ( Figure 1) rests on the shoulder 13 and the surface 17 ( Figure 1) flush with the Front surface is 9.
  • FIG. 3 shows a view of the securing element 5 with the actuating spring 22.
  • the first cylinder 15 has, for example, claws 25 arranged symmetrically to the axis 12 on the free top surface, with which the locking spring 22 is held against rotation and laterally. Is conceivable also a mandrel penetrating the locking spring 22 with a square cross section, which in the Locking spring 22 engages positively and is riveted, screwed or otherwise attached.
  • the example of the securing element 5 shown here is set up for clockwise rotation, i.e. it will rotated clockwise (direction of an arrow 26 on the outer surface of the cylinder 16) when one looks at the top 17.
  • the articulating spring 22 has two arms with the skids 27, 28, which the Securing element 5 in the cap 4 ( Figure 1) can hold.
  • the locking spring 22 is in the Area of the slide 14 ( Figure 1) deformed to the skids 27, 28, the two in the Edges of the locking spring 22 lying in the direction of rotation are bent away from the first cylinder 15. In the drawing of Figure 3, the front edge on the right and the rear edge on the left of the locking spring 22 as pulled up on a sled.
  • FIG. 5 shows the view from the cavity 6 (FIG. 1) onto the securing element 5 used ( Figure 1) shown.
  • the slideway 14 (FIG. 1) is divided into four flat sections 29, 29 ', 31 31', of which the plane with the opposite sections 29, 29 'and 31, 31' from the front 9 ( Figure 1) measured have a different distance.
  • the bottom of the two locking fields 30, 30 ' are at least deeper than that by the thickness of the locking spring 22 Level of the first sections 29, 29 'worked into the material of the closure cap 4.
  • the locking spring 22 is inserted into a groove 32 in the first cylinder 15 and secured with a screw 33.
  • the locking spring 22 aligned along the line A - A '. After the clockwise rotation of the securing element 5 by 90 ° Skids 27, 28 snapped into the locking areas 30, 30 ', so that the securing element 5 in the Cap 4 is anchored.
  • the cross section A-A ' illustrates the design of the slideway 14 (FIG. 1).
  • the level of the grid 30 are parallel.
  • the level of the rest area 30 is closest to the front side 9 and the plane of the second section 31 is farthest from the front 9.
  • the securing element 5 here has the special shape of a truncated cone with the axis 12, which in a correspondingly shaped opening is inserted in the closure cap 4 of the door leaf 2 and the extends from the front 9 to the cavity 6.
  • the opening widens evenly from Inner radius R2 at the transition to cavity 6 to the value of inner radius R1 on the front 9.
  • FIG. 7 shows the closure cap 4 in cross section with the securing element 5 used according to the embodiment of FIG. 1.
  • the skids 27 ( Figure 1), 28 of the locking spring 22 through the extensions 23, 24 of the passage 7 ( Figure 1) pushed into the cavity 6.
  • the skid 28 via a leading edge 29a on the first section 29 'of the slideway 14, the locking spring 22 being tensioned.
  • the skid 28 then slides on the first section 29 '.
  • the locking spring 22 After completing the Clockwise rotation of 90 °, the locking spring 22 partially relaxes because the skid 28 on the deeper as the first section 29 'arranged bottom of the rest area 30' sinks. In this in FIG. 7 Drawn position, the securing element 5 is secured in the cap 4. When unlocking is to be turned in the same direction so that the skid 28 to the height of the second section 31 'is raised. This requires a much greater torque than when securing, because the locking spring 22 experiences a greater deflection (deflection). The skid 28 slides on the second section 31 'until reaching the extension 24.
  • Figures 8 to 10 show the development of the lateral surface 36, 36 'of the passage 7 (Figure 1) with the profile of the slideway 14 (FIG. 1) as a function of the angle of rotation ⁇ with the three important positions of the skids 27, 28 and illustrate the process of securing and unlocking the lock 1 ( Figure 1). Since the process is repeated after 360 °, these parts are drawn with dots.
  • the securing element 5 (FIG. 7) is completely in the opening for securing Cap 4 ( Figure 7) inserted, the skids 27, 28 through the extensions 24, 23rd reach the cavity 6 through it.
  • the slide shape of the skids 27, 28 is chosen so that it is a right turn, i.e. in the direction of a positive angle, easily through the drive-on edges 29a, 29b onto the first sections 29, 29 'are raised, the locking spring 22 ( Figure 7) under tension is set.
  • a left turn i.e.
  • FIG. 9 shows the situation of the skids 27, 28 with one in the closure cap 4 (FIG. 7) secured securing element 5 (Figure 7).
  • the usual left turn to unlock the Securing element 5 is not possible because the skid ends 34, 34 'when trying a Turn left immediately at the vertical boundaries of the grid areas 30, 30 'and another Prevent left turn.
  • To unlock the securing element 5 must necessarily continue be turned to the right.
  • the skids 27, 28 must be level with the second sections 31, 31 ' can be raised, the locking spring 22 ( Figure 7) much stronger than in the process of securing is excited.
  • the torque required for unlocking is therefore very high and wakes you up Unauthorized persons have the impression that the safety element 5 is unlocked in a different way.
  • the closure cap 4 is on the door leaf 2 riveted.
  • the height of the cylindrical cap 4 is 20 mm, the diameter of 75 mm.
  • the inner radius R1 (FIG. 2) of the recess 8 and the inner radius R2 (FIG. 2) of the passage 7 have the values 23.0 mm and 15.3 mm.
  • the paragraph 13 is lowered by 6.0 mm from the front panel 9.
  • the plane of the first sections 29, 29 '(FIG. 8) of the slideway 14 is 13.2 mm from the front plate 9 removed, while the plane of the second sections 31, 31 'at 14.2 mm further from the front plate 9 is removed.
  • the bottom of the locking fields 30, 30 ' is spaced 12.0 mm from the front plate 9.
  • the second Cylinder 16 of the security element 5 has a play of 0.5 mm in the recess 8 and the first Cylinder 15 is 0.6 mm narrower in diameter than passage 7.
  • the level of the locking spring in the relaxed state is 11 mm from the surface 17.
  • the locking spring 22 in Figure 5 is 12 mm wide and measures 44 mm in length overall.
  • the multi-arm locking springs 22 require a finer division the slideway 14 and an increase in the number of extensions 23, 24.

Landscapes

  • Lock And Its Accessories (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
EP98113977A 1997-09-02 1998-07-27 Système de protection du canal de clé d'une serrure interdisant l'accès non-autorisé et le vandalisme Expired - Lifetime EP0900899B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29715732U DE29715732U1 (de) 1997-09-02 1997-09-02 Anordnung zur Sicherung einer Schlüsselöffnung gegen unbefugten Zugriff oder Vandalismus
DE29715732U 1997-09-02

Publications (3)

Publication Number Publication Date
EP0900899A2 true EP0900899A2 (fr) 1999-03-10
EP0900899A3 EP0900899A3 (fr) 1999-11-03
EP0900899B1 EP0900899B1 (fr) 2003-04-09

Family

ID=8045425

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98113977A Expired - Lifetime EP0900899B1 (fr) 1997-09-02 1998-07-27 Système de protection du canal de clé d'une serrure interdisant l'accès non-autorisé et le vandalisme

Country Status (3)

Country Link
EP (1) EP0900899B1 (fr)
AT (1) ATE237057T1 (fr)
DE (2) DE29715732U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2857047A1 (fr) * 2003-07-01 2005-01-07 Amonter Dispositif de securisation d'un acces a une serrure
CN105750770A (zh) * 2016-04-12 2016-07-13 中车青岛四方机车车辆股份有限公司 新型的孔防护装置及其使用方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000026870A1 (fr) 1998-10-30 2000-05-11 Ip-Tpg Holdco S.A.R.L. Contenant de surete

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0754828A1 (fr) 1995-07-18 1997-01-22 Landis & Gyr Technology Innovation AG Système de protection du canal d'une clé de serrure contre l'accès non-authorisé ou le vandalisme

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044679A (en) * 1990-02-26 1991-09-03 Norco, Inc. Latch construction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0754828A1 (fr) 1995-07-18 1997-01-22 Landis & Gyr Technology Innovation AG Système de protection du canal d'une clé de serrure contre l'accès non-authorisé ou le vandalisme

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2857047A1 (fr) * 2003-07-01 2005-01-07 Amonter Dispositif de securisation d'un acces a une serrure
CN105750770A (zh) * 2016-04-12 2016-07-13 中车青岛四方机车车辆股份有限公司 新型的孔防护装置及其使用方法
CN105750770B (zh) * 2016-04-12 2018-03-20 中车青岛四方机车车辆股份有限公司 新型的孔防护装置及其使用方法

Also Published As

Publication number Publication date
ATE237057T1 (de) 2003-04-15
EP0900899B1 (fr) 2003-04-09
DE29715732U1 (de) 1999-01-14
EP0900899A3 (fr) 1999-11-03
DE59807817D1 (de) 2003-05-15

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