EP0641909A2 - Cadenas, avec serrage autobloquant d'un élément formant pêne - Google Patents

Cadenas, avec serrage autobloquant d'un élément formant pêne Download PDF

Info

Publication number: EP0641909A2
Authority: EP; European Patent Office
Prior art keywords: locking; closing; lock; lock according; pin
Prior art date: 1993-09-01
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

EP94113245A

Other languages

German (de)

English (en)

Other versions

EP0641909A3 (fr

EP0641909B1 (fr

Inventor

Loon Kam Chin

Walter Dr. Ing. Knabel

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.)

Trelock GmbH

Original Assignee

Aug Winkhaus 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.)

1993-09-01

Filing date

1994-08-24

Publication date

1995-03-08

1994-08-24 Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG

1995-03-08 Publication of EP0641909A2 publication Critical patent/EP0641909A2/fr

1995-09-27 Publication of EP0641909A3 publication Critical patent/EP0641909A3/fr

1998-11-11 Application granted granted Critical

1998-11-11 Publication of EP0641909B1 publication Critical patent/EP0641909B1/fr

2014-08-24 Anticipated expiration legal-status Critical

Status 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
- E05B67/00—Padlocks; Details thereof
- E05B67/06—Shackles; Arrangement of the shackle
- E05B67/063—Padlocks with removable shackles

Definitions

the invention relates to a lock, comprising a lock body with at least one locking pin receptacle and a locking pin, which can be inserted along a locking pin insertion direction into a locking pin closing position within the locking pin receptacle and can be locked in this, and which can be pulled out from the locking pin receptacle in a direction opposite the locking pin insertion direction, whereby for locking of the locking pin in its locking pin closing position within the lock body, a locking element can be adjusted along a guideway which is essentially orthogonal to the locking pin insertion direction between a release position and a locking position and engages in the locking position in a locking surface of the locking pin and wherein, for controlling the locking element, a retraction position corresponding to a release position and one of the locking positions corresponding locking position along the guide track adjustable actuator is provided.
Such a lock is known for example from US Pat. No. 5,189,893.
strong tensile forces on the locking pin which are exerted on the locking pin, for example, in the event of unauthorized attempts to break open, are absorbed by support on the adjusting element and on a blocking device influencing the adjusting element.
the present invention has for its object to provide a lock with a lock body and locking pin so that the strong on the locking pin adjusting reaction forces are kept as far as possible from the control element and a blocking device assigned to the control element.
the locking element is mechanically decoupled from the actuating element in the closing mandrel extension direction at least within the scope of a play of motion and that the locking element can be clamped in a self-locking manner between the closing surface of the closing mandrel and an abutment of the lock body by an extracting force acting on the closing mandrel.
the lock construction according to the invention has the great advantage that the sensitive parts, actuating element and blocking device are largely relieved when attempts are made to break open. This means that, on the one hand, attempts to break open are difficult and, on the other hand, unsuccessful attempts to break open cannot lead to deformations on the actuating element and / or the blocking device. There is therefore a chance that a lock of the type of construction according to the invention will survive undamaged even with the greatest force.
the design principle according to the invention can be realized in such a way that the abutment is formed on a preferably plate-shaped abutment element which at least partially encompasses the closing mandrel in its closing mandrel closing position and is supported on the latter against a transverse force directed essentially transversely to the closing mandrel pull-out direction, which acts upon the action of a Pulling force on the locking pin results as a result of the clamping of the locking element between the closing surface and the abutment.
This training measure ensures that the lock body itself is largely relieved of transverse forces as a result of locking pin pull-out forces. On the lock body then essentially only reaction forces parallel to the locking mandrel pull-out direction occur, which can be absorbed relatively easily and without great construction and material expenditure.
the abutment element is mounted within the lock body with movement play transverse to the closing mandrel extension direction is.
the abutment element can rest against the inside of a housing wall of the lock body, so that when dimensioning the lock with regard to pull-out tests, essentially only the dimensioning of the front housing wall of the lock body in the pull-out direction has to be taken into account.
the abutment element is preferably designed with an opening completely enclosing the closing mandrel.
the abutment can be formed by edges of a closing pin passage opening in the abutment element. This facilitates the manufacture of the abutment, for example, in that the mandrel passage opening and its expansion can be produced in a single punching process.
the principle according to the invention can be used in particular if the locking element is prestressed into the locking position by spring force and if the locking pin can be retracted from the locking pin closing position by cam-like interaction with the locking element, the locking element deviating in the direction of the release position.
the design of the closing surface naturally depends on the design of the closing element. If a rolling element and, in particular, a ball is used as the closing element, it is also advisable, for reasons of ease of manufacture, to design the closing surface as a partial cylinder surface or spherical cap surface, with the design of the closing surface in turn making sure that the closing mandrel is pulled out loosened blocking device counteracts a resistance that on the one hand prevents the locking pin from accidentally falling out of the locking pin receptacle, but on the other hand does not unduly complicate the normal handling of the lock.
a guideway which fulfills the requirement of guiding the locking element up to the entry into the locking position essentially without any play existing in the direction of the mandrel pull-out can be realized by a guiding channel inside the lock body, in particular a guiding channel which is elastically expandable in such a way that it Exceeding a predetermined pull-out force on the locking mandrel permits elastic locking of the locking element from its guideway in the locking mandrel pull-out direction.
a guide channel can be achieved in particular if the guide channel is formed from a plastic part.
the elastic deflection can also be promoted by slitting the guide channel or by a design of the guide channel cross section that is tapered in the pull-out direction.
the actuating element can be blocked in its locking position by a blocking device, the blocking device preferably being constructed on the basis of a commercially available locking cylinder.
the blocking device can be designed with a rotatable cam which, in a blocking position of the blocking device, blocks the actuating element from escaping from the blocking position into its retracted position and, in a non-blocking position, allows the actuating element to be displaced from its blocking position into its retracting position against spring force.
the cam can be attached to the lock cylinder core of the lock cylinder for rotation therewith.
the lock cylinder is at least partially received in a holding part on which the guide track for the locking element and / or the actuating element is formed.
the lock body can be designed with a tubular housing and have a holding part within this tubular housing, in which the guide track for the locking element and / or the actuating element is formed. Since, when using the principle of the invention, no significant reaction forces from strong pull-out forces act on the actuating element and the blocking device, it is sufficient to produce the tubular housing from high-strength material, for example sheet steel. On the other hand, it is harmless if the holding part with the guideway for the locking element and / or the actuating element and possibly with a receiving chamber for the locking pin and with a bearing for the blocking device is made of plastic, for example in the casting or injection molding process or from die-cast zinc, because the holding part is also subject to low reaction forces. It is advantageous if the receiving chamber for the closing mandrel is also formed in the holding part, because then the number of parts required to assemble the lock is reduced. The guideway then opens into the receiving chamber.
the locking element should be held in a position when the closing mandrel is retracted, in which it allows the closing mandrel to be reinserted without any special preparatory measures. It is therefore provided that the locking element is secured in its locking position against passage from its guideway into the locking pin receptacle even when the locking pin is withdrawn from the locking pin receptacle. This securing can be easily achieved by providing a narrowing of the guideway at an end of the guideway close to the closing mandrel receptacle. Slings can also be used to achieve this safety.
the principle of the invention is basically applicable to all known locks in which one or more locking pins are to be inserted into a locking pin receptacle and locked there.
a padlock with a lock shackle which has a locking pin at both ends of its shackle legs for receiving in a locking pin receptacle of a lock body.
the lock body as is customary in the case of padlocks for securing two-wheelers, can be designed symmetrically with respect to a plane of symmetry of the lock, wherein a blocking device can be arranged in a central area between the two locking pin receptacles and can be assigned to the two locking pin receptacles together.
the locking device be in a locking device holding chamber within the lock body is housed, which is delimited by two holding parts colliding in the plane of symmetry, and each of these two holding parts forms a guideway for an associated locking element and / or adjusting element.
the holding parts can be made of plastic and, since they have no significant forces to absorb, do not have to be made with thick walls. Rather, it is sufficient to choose the plastic distribution in the individual holding parts so that, on the one hand, the guideways for the locking element and the actuating element, the receptacle for the locking pin and the receptacle for the blocking device are provided and, on the other hand, contact edges or contact surfaces for the positionally correct storage of the holding parts in an outer housing of the lock body are available.
the lock body can have a tubular housing of round or polygonal, in particular rectangular, cross-section, which bridges the distance between the two locking pin receptacles in a central region, receives the blocking device and only projects beyond the locking pin receptacle as far as is necessary for the formation of the locking pin receiving chambers.
the holding parts can be inserted into the tubular housing from one or both ends, after having previously preassembled the associated set-up parts on both holding parts, namely locking element, adjusting element, biasing springs and, if appropriate, locking plates.
the blocking device is pushed into the tubular housing in the course of one or the other preassembled unit and, after the two preassembled units have been inserted, is firmly seated between them in the correct position. You then only need to secure the holding parts in their inserted position, for example by means of locking pins which are driven into or pressed into aligned bores in the tubular housing and the holding parts. The cost of materials and the weight of the lock body remain relatively low without the safety function being impaired.
the visual appearance is essentially determined only by the shape of the housing, in particular tubular housing, and by the shape of the bracket, i.e. by two parts, which can be given a surface design that is favorable in terms of appearance with little effort.
the blocking device can be accommodated in an ergonomically favorable manner.
the key entry slot can be provided on each side surface of the housing tube, for example with a rectangular cross section of the housing tube. From an ergonomic and manufacturing point of view, it is of course preferred to provide the key entry slot in the area of a housing surface remote from the top of the lock shackle.
the design of the housing parts made of easily deformable material, in particular plastic makes it possible to form any chamber boundary surfaces on these holding parts for the formation of a chamber accommodating the locking cylinder, so that when selecting the locking cylinder there is a large choice within the commercially available range of locking cylinders.
a lock bracket is designated 10.
the two shackle legs 12 of the lock shackle are each designed with a locking pin 14.
the locking pins 14 are received in a lock body, which is generally designated 16.
the lock body 16 comprises a tubular lock body housing 18 which - as can be seen from FIGS. 4 and 5 - has a rectangular cross section.
a holding part 20 is inserted into the tubular lock body housing 18 from both ends.
the two holding parts 20 and their set-up parts to be described below are identical to one another, so that the description of a single one of these holding parts is sufficient.
the holding part 20 is designed as a plastic injection molded body, the central portion of which — as shown in FIG. 4 — has an essentially cup-shaped cross section.
An upwardly open guide track 22 of part-circular cross-section is formed in the middle section.
This guideway 22 is one Locking ball 24 out.
the guide ball 24 is designed to engage a closing surface 26 of the closing mandrel 14.
An actuating element 28 bears against the end of the locking ball 24 remote from the mandrel.
This adjusting element 28 has a guide plate 28a and an adjusting leg 28b. The adjusting leg 28b rests on the locking ball 24 with its end near the closing mandrel.
the guide plate 28a is guided on the holding part 20 in the upper region of the cup profile above the guide track 22 so as to be displaceable in the direction of the arrow 30.
a helical compression spring 32 engages, which is supported on the housing 34a of a locking cylinder, designated overall by 34.
the guideway 22 extends in the area of the locking ball 24 in its cross section over more than 180 ° of the locking ball 24, so that even when the locking ball 24 engages in the closing surface 26 of the locking pin 14 under normal operating conditions, the locking ball 24 in the direction of Double arrow 38 has no significant play against the guideway 22.
the double arrow 38 represents the direction of the mandrel insertion or the mandrel pull-out direction of the mandrel 12 relative to the lock body 16.
the locking cylinder 34a is designed with a locking cylinder core 34b and is based on the principle of key-operated spring-loaded tumbler pin pairs.
the key 34c can be inserted into the locking cylinder from below through a slot 40 in the tubular housing 18, so that the locking cylinder core 34b can be rotated.
a cam 44 is attached, the shape of which can be seen in particular in FIG. 3.
the guide plates 28a rest on this cam disc, specifically in the region of radially projecting cams 44a.
These cams are 44a dimensioned such that in the assignment according to FIG. 2 the locking balls 24 are held in engagement with the respective closing surfaces 26 by the adjusting elements 28.
the closing mandrel 14 Since, as already stated, the locking balls 24 are still guided in the position of the double arrow 38 through the respective guide track 22 with essentially no play in this position, the closing mandrel 14 has essentially no play with respect to the closing mandrel receptacle 46 under normal loading in the pull-out direction according to FIG of the respective holding part 20 in which it is received. Only if, as shown in FIG. 1, a very large pull-out force P is exerted on the closing mandrel 14, for example of the order of 20 kN, does the guide track 22 undergo elastic deformation, in that it moves in the area of the upper opening of the cup profile Figure 4 spreads. Then the locking ball 24 can be taken up in the direction of the pull-out force P through the closing surface 26.
an abutment plate 48 is arranged at the upper end of the locking mandrel receptacle 46, which is positioned according to FIG. 3 by the tubular housing 18 and the holding part 20.
This abutment plate 48 has a keyhole-shaped opening 50 with a passage opening 50a for the locking pin 14 and an extension 50b.
the extension 50b faces the ball 24 in the longitudinal direction of the closing mandrel 14.
the self-locking of the locking ball 24 between the closing surface 26 and the extension 50b can easily be adjusted by appropriate dimensioning of the depth of the closing surface 26 and the shape and size of the extension 50b.
Self-locking is to say that - once the locking ball 24 has engaged the lower boundary edge of the extension 50b and at the same time is still in contact with the closing surface 26, the ball 24 no longer tends to move in the direction of the double arrow 30 to the left, but instead clamped between the closing surface 26 and the lower edge of the extension 50b. There is therefore no further force exerted on the actuating element 28, which could load the locking cylinder 34 beyond its load-bearing capacity.
the support force of the actuating element 28 on the locking ball 24, which occurs until the locking ball 24 engages in the extension 50b, can be dimensioned by appropriate dimensioning and material selection so that damage to the locking cylinder 34 cannot occur and also not of the other components involved in the support.
the locking ball 24 returns due to the elastic preload, which the guide track 22 has experienced during the upward movement of the locking ball 24 until it engages with the extension 50b, back into the position according to FIG. 2.
the pull-out force P which - as said - leads to the locking ball 24 becoming jammed between the closing surface 26 and the extension 50b, results in a reaction force in the direction of arrow 52 in FIG. 1 on the abutment plate 48.
this reaction force is essentially transmitted to the locking pin 14, which is in engagement with the passage opening 50a of the abutment plate 48. So there is no significant load on the lock mechanism caused by the transverse force 52.
the lock cylinder core 34b is turned by 90 ° by means of the key 34c.
the actuating elements 28 then bear against the cam disk 44 in the region of recesses 44b and can recede against the action of the helical compression springs 32. If the lock shackle 10 is now to be pulled out of the lock body, a cam action occurs again between the locking surface 26 and the locking balls 24.
the locking balls 24 now do not move upward in the direction of the arrow 38 because they can more easily move to the left in the direction of the arrow 30.
the balls 24 do not come into engagement with the extension 50b at all and can therefore deflect under compression of the respective helical compression springs 32 to the left in the direction of the arrow 30 until the locking ball 24 is completely dipped out of the closing surface 26 and the closing pin 14 is completely pulled out can. It is necessary that the resilience of the guideway 22 and the spring force of the helical compression spring 32 are properly matched are to enable the locking ball 24 to move in the direction of the arrow 30 before moving upwards in the direction of the arrow 38.
the shape of the locking surface 26, the diameter of the locking ball 24 and the pretension of the helical compression spring 32 are coordinated with one another in such a way that when the lock is opened normally after the lock cylinder 34 has been unblocked, the lock shackle 10 can be released with a low pull-out force, this pull-out force on the other hand should not be too small so that the lock shackle cannot accidentally fall out of the lock body.
the reinsertion of the locking pin 14 into the locking pin receptacle 46 is also only possible if the cam plate 44 is rotated into the position described above, in which the actuating elements 28 can move back in the direction of the locking cylinder 34.
the locking pin 14 can then push the locking ball 24 back when it is inserted into the locking pin receptacle until it can finally fall into the closing surface 26 under the action of the helical compression spring 32.
the key 34c can only be turned back into the blocking position after the closing surface 26 has come into alignment with the locking ball 24. Only after this rotation can the key be removed in accordance with the properties of a lock cylinder with spring-loaded tumbler pin pairs, so that it is impossible to remove the key prematurely when the lock is not locked and secured. Therefore, if the user has pulled the key after inserting the locking pin 14, the user can be sure that he has inserted the locking pin far enough and thus locked and secured it.
the abutment plate 48 can also perform a security function in addition to the abutment function by making the accessibility of the lock device more difficult by drilling open the housing and then inserting engagement elements; it also stiffens the lock housing against pull-out forces.
the holding parts 20 can have the same shape. Nevertheless, as can be seen from FIG. 4, the molded parts can be designed with adapters which enable them to be plugged together.
a pin 60 and a pin receptacle 62 can be seen in FIG. 4. If the two holding parts of the same shape are plugged together within the lock housing 18, the pin of the one holding part 20 finds its way into the pin receptacle 62 of the other holding element.
the locking pin receptacles 46 are part of the respective holding part 20.
the mutually facing ends of the holding parts 20 also form a receptacle 64 for the locking cylinder so that it is held in the lock body 16 in a rotationally fixed manner.
the fixing of the holding parts 20 in the longitudinal direction of the tubular lock housing 18 is carried out by pinning at 66. It can be seen from Figures 1-5 that the holding parts 20 are thin-walled, so that they essentially only define the functional surfaces necessary within the holding parts.
the holding parts are positively received in the rectangular profile of the tubular housing 18 in the upper corners 68 by the edges of the cup profile and in the bottom region of the housing by the stem 70 of the cup profile.
the elasticity of the guideway 22 against deflection of the locking ball 24 in the direction of arrow 38 can be adjusted by supporting the edges of the cup profile on the side walls of the tubular housing.
the arrangement of the key engagement slot 40 on the lower housing wall facilitates the handling of the lock.

Landscapes

Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Pivots And Pivotal Connections (AREA)
Quick-Acting Or Multi-Walled Pipe Joints (AREA)

EP94113245A 1993-09-01 1994-08-24 Cadenas, avec serrage autobloquant d'un élément formant pêne Expired - Lifetime EP0641909B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4329511		1993-09-01
DE4329511A DE4329511A1 (de)	1993-09-01	1993-09-01	Langbügelschloß mit selbsthemmender Verklemmung eines Riegelelements

Publications (3)

Publication Number	Publication Date
EP0641909A2 true EP0641909A2 (fr)	1995-03-08
EP0641909A3 EP0641909A3 (fr)	1995-09-27
EP0641909B1 EP0641909B1 (fr)	1998-11-11

Family

ID=6496581

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94113245A Expired - Lifetime EP0641909B1 (fr)	1993-09-01	1994-08-24	Cadenas, avec serrage autobloquant d'un élément formant pêne

Country Status (4)

Country	Link
EP (1)	EP0641909B1 (fr)
DE (2)	DE4329511A1 (fr)
ES (1)	ES2124824T3 (fr)
TW (1)	TW251331B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19638188A1 (de) *	1996-09-18	1998-03-19	Bremicker Soehne Kg A	Bügelschloß
EP1160405A1 (fr) *	2000-05-30	2001-12-05	ABUS August Bremicker Söhne KG	Cadenas
US8839650B2 (en)	2008-06-25	2014-09-23	Robert David Zuraski	Portable lock with modular cable

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2982302B1 (fr) *	2011-11-09	2014-11-07	Thirard Ets	Verrou electromecanique
DE102015117253A1 (de) *	2015-10-09	2017-04-13	ABUS August Bremicker Söhne KG	Hangschloss

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE373261C (de) *	1921-05-26	1923-04-10	Robert Fromm	Haengeschloss
US1511057A (en) *	1923-03-05	1924-10-07	Yale & Towne Mfg Co	Padlock
US1607758A (en) *		1926-11-23		John junkunc
US2460474A (en) *	1947-07-18	1949-02-01	Master Lock Co	Plug retaining plate for lock cylinders
US3194033A (en) *	1963-09-03	1965-07-13	Slaymaker Lock Company	Padlock and the like
US5189893A (en) *	1990-09-17	1993-03-02	Aug. Winkhaus Gmbh & Co. Kg	Shackle lock with a pivotable locking arrangement

1993
- 1993-09-01 DE DE4329511A patent/DE4329511A1/de not_active Withdrawn
- 1993-09-07 TW TW082107294A patent/TW251331B/zh active
1994
- 1994-08-24 ES ES94113245T patent/ES2124824T3/es not_active Expired - Lifetime
- 1994-08-24 DE DE59407268T patent/DE59407268D1/de not_active Expired - Lifetime
- 1994-08-24 EP EP94113245A patent/EP0641909B1/fr not_active Expired - Lifetime

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1607758A (en) *		1926-11-23		John junkunc
DE373261C (de) *	1921-05-26	1923-04-10	Robert Fromm	Haengeschloss
US1511057A (en) *	1923-03-05	1924-10-07	Yale & Towne Mfg Co	Padlock
US2460474A (en) *	1947-07-18	1949-02-01	Master Lock Co	Plug retaining plate for lock cylinders
US3194033A (en) *	1963-09-03	1965-07-13	Slaymaker Lock Company	Padlock and the like
US5189893A (en) *	1990-09-17	1993-03-02	Aug. Winkhaus Gmbh & Co. Kg	Shackle lock with a pivotable locking arrangement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19638188A1 (de) *	1996-09-18	1998-03-19	Bremicker Soehne Kg A	Bügelschloß
EP1160405A1 (fr) *	2000-05-30	2001-12-05	ABUS August Bremicker Söhne KG	Cadenas
US6584815B2 (en)	2000-05-30	2003-07-01	ABUS August Bremicker Söhne KG	Hoop lock
US8839650B2 (en)	2008-06-25	2014-09-23	Robert David Zuraski	Portable lock with modular cable
EP2628667B1 (fr) *	2008-06-25	2018-09-12	Ingersoll-Rand Company	Antivol portable doté d'un câble modulaire

Also Published As

Publication number	Publication date
EP0641909A3 (fr)	1995-09-27
EP0641909B1 (fr)	1998-11-11
TW251331B (fr)	1995-07-11
ES2124824T3 (es)	1999-02-16
DE59407268D1 (de)	1998-12-17
DE4329511A1 (de)	1995-03-02

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