EP0463744A2 - Anti-theft device for motor vehicle wheels - Google Patents
Anti-theft device for motor vehicle wheels Download PDFInfo
- Publication number
- EP0463744A2 EP0463744A2 EP91304908A EP91304908A EP0463744A2 EP 0463744 A2 EP0463744 A2 EP 0463744A2 EP 91304908 A EP91304908 A EP 91304908A EP 91304908 A EP91304908 A EP 91304908A EP 0463744 A2 EP0463744 A2 EP 0463744A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- key
- casing
- lock cylinder
- annular
- theft device
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
- E05B9/084—Fastening of lock cylinders, plugs or cores
- E05B9/086—Fastening of rotors, plugs or cores to an outer stator
Definitions
- the invention relates to an anti-theft device for motor vehicle wheels.
- An anti-theft device for motor vehicle wheels comprising a casing covering the polygonal head of a wheel nut or bolt in which there is rotatably arranged a lock cylinder of which the tumblers projecting beyond the surface of the lock cylinder and entering annular grooves on the internal wall of the polygonal head in the anti-theft position can be adjusted into a position retracted from the annular grooves by insertion of the key is known from DE 30 17 630 A1.
- the key has a projection which lies in the plane of the key channel and passes behind an annular shoulder at the end face of the casing when the key is inserted and turned from the basic position, this casing trapping the key against withdrawal and forming a transverse slot for the passage of the projection.
- the annular shoulder on the end face of the casing is formed by a spring washer which is clipped in an annular groove of the casing and forms the transverse slot for the passage of the projection.
- This spring washer is also used to surround the larger diameter collar of the lock cylinder and to prevent it from being withdrawn from the casing.
- the present invention provides an anti-theft device for motor vehicle wheels which device comprises a casing covering the polygonal head of a wheel nut or bolt in which there is rotatably arranged a lock cylinder the tumblers of which project beyond the surface of the lock cylinder and enter annular grooves on the internal wall of the polygonal head in the anti-theft position, and can be adjusted into a position retracted from the annular grooves by insertion of the key, the key having a projection which lies in the plane of the key channel and passes behind an annular shoulder at the end face of the casing when the key is inserted and turned from the basic position, this casing trapping the key against withdrawal and forming a transverse slot for the passage of the projection, characterised in that at least one projecting catch is shaped on the lock cylinder and passes behind the annular shoulder covering an annular groove of the casing into which the projection of the key projects.
- the projecting catch is preferably guided through the transverse slot into its engagement position, and is more preferably formed by two fork-shaped wings which are radial to the lock cylinder and after being inserted through the transverse slot are spread apart in the circumferential direction owing to their elastic restoring force into the engagement position of the shoulder and project into the annular groove.
- This construction results in an anti-theft device for motor vehicle wheels which can be produced at low cost and is simple to manage. No additional components are required for holding the lock cylinder when inserted in the casing. However, the rotatability of the lock cylinder relative to the casing is ensured.
- the transverse slot of the annular shoulder on the end face of the casing serves not only for the passage of the key projection but also for the guidance of at least one projecting catch moulded to the lock cylinder. After the projecting catch has passed through the transverse slot, which takes place as the casing and lock cylinder are assembled, the projecting catch passes behind the annular shoulder into the annular groove covered thereby.
- a backward shift of the lock cylinder is no longer possible, creating an irreversible connection between the casing and the lock cylinder in the axial direction, this connection nevertheless allowing relative rotation of the two parts.
- the position in which the key channel is not aligned with the transverse slot of the annular shoulder can arise when the casing is placed onto the polygonal head of a wheel nut or bolt and the key is removed.
- the lock cylinder can then be turned by the key tip such that orientation of the key channel coincides with the transverse slot, in which position the projection can travel through the transverse slot during continued insertion of the key in order to engage with the annular shoulder after a certain closing turn.
- the projecting catch comprises two fork-shaped wings extending radially to the lock cylinder.
- the wings can, to a certain extent, yield during insertion and, after travelling through the slot, are spread apart in the circumferential direction owing to their elastic restoring force into the engagement position of the shoulder and project into the annular groove and remain therein.
- the ramps of the wings provide assistance so that, as the wings are inserted through the transverse slot, they are continuously squeezed together. Deformation of the wings is therefore substantially avoided. It is particularly advisable to provide two diametrically opposed pairs of wings orientated transversely to the key channel and two appropriately opposing slots on the end face of the casing.
- the outwardly spring-loaded tumblers can enter the spaces between the saw-teeth, i.e. the annular grooves, to secure the axial situation of the lock cylinder with the casing, this position still allowing rotation of the casing.
- the casing embraces the polygonal head, it is not possible to apply a spanner etc. It can only be applied after appropriate removal of the casing.
- Figure 1 shows a wheel bolt, a casing containing the lock cylinder and the associated key side by side.
- Figure 2 is a greatly enlarged view of a longitudinal central section through the assembled device.
- Figure 3 is a view corresponding to Figure 2 but with the key inserted into the key channel of the lock cylinder, the tumblers being pulled back into a release position relative to the annular grooves of the wheel bolt.
- Figure 4 shows a front view of the casing corresponding to the position in Figure 2 but with the key indicated in dot dash lines.
- Figure 5 shows the section along the line V-V in Figure 3, with the difference from this figure that the lock cylinder is rotated through about 90° by the key.
- Figure 6 is a greatly enlarged view of the section along the line VI-VI, illustrating the engagement position of two fork-shaped wings forming a projecting catch.
- the anti-theft device for motor vehicle wheels has a wheel bolt 1 of which the threaded shank 2 passes into a clamping zone 3.
- a hexagonal polygonal head 4 is attached thereto. From the free face end of the polygonal head 4 there is provided a blind bore 5 in which five parallel, equally spaced annular grooves 6 are formed. These annular grooves are preceded by annular zones with saw-tooth cross sections such that the saw-tooth slope flanks 7 expanding toward the face end of the polygonal head extend at an angle of about 45°.
- An annular collar 8 extends between the polygonal head 4 and the clamping zone 3.
- the adjacent polygonal head 4 is provided with rounded corners 9.
- a casing 10 serves to cover and to protect the polygonal head 4. It is equipped, on the application side, with a rim 11 which can rest on the annular collar 8 when the casing is applied.
- the rim 11 is followed by a stepped internal annular groove 12 for receiving a sealing ring 13.
- the sealing ring 13 positively surrounds the polygonal head such that the sealing ring 13 remains stationary as the casing 10 rotates.
- the above-mentioned internal annular groove 12 is formed in a bore 14 of the casing 10, the bore being sufficiently large to receive the polygonal head 4 which, with its rounded corners 9, also rotatably supports the casing 10.
- the bore 14 extends to a casing base 15 at the end face of the casing 10.
- the bore 14 is followed directly stepwise by a smaller diameter bore portion 16 which, in turn, passes into a larger diameter annular groove 17.
- This annular groove 17 ends at a short distance in front of the end face of the casing 10 and passes into a smaller diameter bore portion 18 which is, however, larger in diameter than the bore portion 16.
- An annular shoulder 19 preceding the annular groove 17 is formed in this way.
- Two diametrally opposed transverse slots 20 which leave a passage to the annular groove 17 are located in the shoulder 19.
- the casing base 15 is used to mount a lock cylinder 21.
- the lock cylinder has a smaller cross section cylindrical portion 22, the external diameter of which corresponds to the internal diameter of the bore portion 16, and which is rotatably mounted therein.
- Plate-like tumblers 23 directed transverse to the longitudinal axis of the lock cylinder are guided in the cylindrical portion 22 and are arranged with equal spacing, and in an equal number, to the annular grooves 6 of the wheel bolt 1.
- Springs (not illustrated) outwardly load the tumblers 23 so that the tumblers 23 dip with one end into the annular grooves 6 when the casing 10 is applied to the wheel bolt 1 in accordance with Figure 2. Consequently, the casing 10 cannot be removed from the polygonal head 4 of the wheel bolt 1, but can only be rotated relative to the polygonal head.
- Figure 2 also shows that the outer ends of the tumblers 23 are closer to the centre line of the wheel bolt than the beginning of the saw-tooth slope flanks 7.
- the larger cross section collar 24 which is adapted to the diameter of the bore portion 18, is rotatably mounted therein and is adjacent to the smaller cross section portion 22 also serves to support the lock cylinder 21.
- two diametrally opposed projecting catches 25 are shaped thereon.
- Each of these projecting catches 25 is formed by two fork-shaped wings 26 which are radial to the lock cylinder and extend at the level of the annular groove 17 of the casing base 15.
- the two wings 26 form a pair of wings.
- the outer rear regions of the wings 26 are constructed as ramps 27.
- the width of this pair of wings is greater than the width of the transverse slots 20.
- Figure 6 also shows that the ramps 27 are spaced more closely at the run-on end than the width of the transverse slots 20
- a longitudinal key channel 28 for receiving the key shank 29 of a key 30 is located in the lock cylinder 21.
- Lock notches 31 cut to different depths are worked in the key shank 29.
- a projection 33 which is arranged between key shank 29 and key handle 32 extends behind the last lock notch 31, the projection 33 projecting radially beyond the collar 24 and dipping into the annular groove 17 when the key 30 is inserted into the key channel 28 of the lock cylinder 21.
- the key 30 should be introduced into the key channel 28 of the lock cylinder 21 for this purpose.
- the lock cylinder 21 should be rotated with the key tip so that the key channel 28 is aligned with one of the transverse slots 20. Only then can the key 30 be completely inserted with retraction of the tumblers 23 into the position illustrated in Figure 3.
- the casing 10 can now be gripped by hand and be removed. However, it is also possible to remove it merely by using the key 30.
- the lock cylinder 21 should be rotated so that the projection 33 of the key 30 engages behind the annular shoulder 19 at the end face of the casing 10.
- the casing 10 is not entrained as the sealing ring 13 produces greater friction between polygonal head 4 and casing 10.
- the casing 10 can be removed from the polygonal head 4 via the projection 33 of the key 30 loading the shoulder 19 of the casing 10.
- the casing 10 can be applied to the wheel bolt 1 either with a key inserted or without a key. If the key is not inserted, the radially outwardly spring-loaded tumblers 23 load the saw-tooth slope flanks 7 representing the ramps with an inwardly directed displacement of the tumblers 23 during the application movement. When the movement for applying the casing 10 is completed, the tumblers 23 are aligned with the annular grooves 6 of the wheel bolt 1 following the saw-tooth slope flanks 7 and, with spring loading, can advance into the position according to Figure 2, producing the security position which allows rotation of the casing 10 but not removal thereof.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Burglar Alarm Systems (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
Description
- The invention relates to an anti-theft device for motor vehicle wheels.
- An anti-theft device for motor vehicle wheels comprising a casing covering the polygonal head of a wheel nut or bolt in which there is rotatably arranged a lock cylinder of which the tumblers projecting beyond the surface of the lock cylinder and entering annular grooves on the internal wall of the polygonal head in the anti-theft position can be adjusted into a position retracted from the annular grooves by insertion of the key is known from
DE 30 17 630 A1. The key has a projection which lies in the plane of the key channel and passes behind an annular shoulder at the end face of the casing when the key is inserted and turned from the basic position, this casing trapping the key against withdrawal and forming a transverse slot for the passage of the projection. The annular shoulder on the end face of the casing is formed by a spring washer which is clipped in an annular groove of the casing and forms the transverse slot for the passage of the projection. This spring washer is also used to surround the larger diameter collar of the lock cylinder and to prevent it from being withdrawn from the casing. - It is an object of the invention to provide a device of this type in a technically simple manner, avoiding the need for additional components for holding the lock cylinder in the casing.
- The present invention provides an anti-theft device for motor vehicle wheels which device comprises a casing covering the polygonal head of a wheel nut or bolt in which there is rotatably arranged a lock cylinder the tumblers of which project beyond the surface of the lock cylinder and enter annular grooves on the internal wall of the polygonal head in the anti-theft position, and can be adjusted into a position retracted from the annular grooves by insertion of the key, the key having a projection which lies in the plane of the key channel and passes behind an annular shoulder at the end face of the casing when the key is inserted and turned from the basic position, this casing trapping the key against withdrawal and forming a transverse slot for the passage of the projection, characterised in that at least one projecting catch is shaped on the lock cylinder and passes behind the annular shoulder covering an annular groove of the casing into which the projection of the key projects.
- The projecting catch is preferably guided through the transverse slot into its engagement position, and is more preferably formed by two fork-shaped wings which are radial to the lock cylinder and after being inserted through the transverse slot are spread apart in the circumferential direction owing to their elastic restoring force into the engagement position of the shoulder and project into the annular groove.
- This construction results in an anti-theft device for motor vehicle wheels which can be produced at low cost and is simple to manage. No additional components are required for holding the lock cylinder when inserted in the casing. However, the rotatability of the lock cylinder relative to the casing is ensured. The transverse slot of the annular shoulder on the end face of the casing serves not only for the passage of the key projection but also for the guidance of at least one projecting catch moulded to the lock cylinder. After the projecting catch has passed through the transverse slot, which takes place as the casing and lock cylinder are assembled, the projecting catch passes behind the annular shoulder into the annular groove covered thereby. A backward shift of the lock cylinder is no longer possible, creating an irreversible connection between the casing and the lock cylinder in the axial direction, this connection nevertheless allowing relative rotation of the two parts. The position in which the key channel is not aligned with the transverse slot of the annular shoulder can arise when the casing is placed onto the polygonal head of a wheel nut or bolt and the key is removed. The lock cylinder can then be turned by the key tip such that orientation of the key channel coincides with the transverse slot, in which position the projection can travel through the transverse slot during continued insertion of the key in order to engage with the annular shoulder after a certain closing turn. In this position, the tumblers of the lock cylinder are shifted into their release position so that the casing, together with the lock cylinder, can be removed by means of the key. The removing force of the key is transmitted via the projection onto the casing. Removal forces acting upon the key can never be used, therefore, to release the engagement between lock cylinder and casing, even if the transverse slot and projecting catch are aligned. Engagement is always ensured as the key is being inserted. If its projection is aligned with the transverse slot, the projecting catch is in the engagement position relative to the shoulder. If the situation of the projecting catch coincides with that of the transverse slot, the projection assumes its engagement position, as mentioned hereinbefore. For achieving sufficiently great engagement of the order of 0.1 millimetre, the projecting catch comprises two fork-shaped wings extending radially to the lock cylinder. The wings can, to a certain extent, yield during insertion and, after travelling through the slot, are spread apart in the circumferential direction owing to their elastic restoring force into the engagement position of the shoulder and project into the annular groove and remain therein. When the lock cylinder and casing are assembled, the ramps of the wings provide assistance so that, as the wings are inserted through the transverse slot, they are continuously squeezed together. Deformation of the wings is therefore substantially avoided. It is particularly advisable to provide two diametrically opposed pairs of wings orientated transversely to the key channel and two appropriately opposing slots on the end face of the casing. In this way, removal forces exerted on the lock cylinder are distributed uniformly between the lock cylinder and the casing. Handling is also simplified in this way. Therefore, a rotated lock cylinder need never be rotated through more than 90° by means of the key. Handling is further simplified by the saw-tooth cross section of the annular zones on their internal wall. As a result, the annular zones preceding the annular grooves form ramps for the tumblers of the lock cylinder. It is therefore possible, without a key, to apply the casing with lock cylinder onto the corresponding wheel bolt or nut, the tumblers which project radially beyond the lock cylinder loading the saw-tooth slope flanks and therefore being controlled in the inwards direction during this application process. On completion of application, the outwardly spring-loaded tumblers can enter the spaces between the saw-teeth, i.e. the annular grooves, to secure the axial situation of the lock cylinder with the casing, this position still allowing rotation of the casing. However, as the casing embraces the polygonal head, it is not possible to apply a spanner etc. It can only be applied after appropriate removal of the casing.
- An embodiment of the invention is described below with reference to the drawings.
- Figure 1 shows a wheel bolt, a casing containing the lock cylinder and the associated key side by side.
- Figure 2 is a greatly enlarged view of a longitudinal central section through the assembled device.
- Figure 3 is a view corresponding to Figure 2 but with the key inserted into the key channel of the lock cylinder, the tumblers being pulled back into a release position relative to the annular grooves of the wheel bolt.
- Figure 4 shows a front view of the casing corresponding to the position in Figure 2 but with the key indicated in dot dash lines.
- Figure 5 shows the section along the line V-V in Figure 3, with the difference from this figure that the lock cylinder is rotated through about 90° by the key.
- Figure 6 is a greatly enlarged view of the section along the line VI-VI, illustrating the engagement position of two fork-shaped wings forming a projecting catch.
- The anti-theft device for motor vehicle wheels has a
wheel bolt 1 of which the threadedshank 2 passes into aclamping zone 3. A hexagonalpolygonal head 4 is attached thereto. From the free face end of thepolygonal head 4 there is provided ablind bore 5 in which five parallel, equally spacedannular grooves 6 are formed. These annular grooves are preceded by annular zones with saw-tooth cross sections such that the saw-tooth slope flanks 7 expanding toward the face end of the polygonal head extend at an angle of about 45°. - An
annular collar 8 extends between thepolygonal head 4 and theclamping zone 3. The adjacentpolygonal head 4 is provided withrounded corners 9. Acasing 10 serves to cover and to protect thepolygonal head 4. It is equipped, on the application side, with arim 11 which can rest on theannular collar 8 when the casing is applied. Therim 11 is followed by a stepped internalannular groove 12 for receiving a sealingring 13. When thecasing 10 is located on thepolygonal head 4, the sealingring 13 positively surrounds the polygonal head such that thesealing ring 13 remains stationary as thecasing 10 rotates. The above-mentioned internalannular groove 12 is formed in abore 14 of thecasing 10, the bore being sufficiently large to receive thepolygonal head 4 which, with itsrounded corners 9, also rotatably supports thecasing 10. - The
bore 14 extends to acasing base 15 at the end face of thecasing 10. Thebore 14 is followed directly stepwise by a smallerdiameter bore portion 16 which, in turn, passes into a larger diameterannular groove 17. Thisannular groove 17 ends at a short distance in front of the end face of thecasing 10 and passes into a smallerdiameter bore portion 18 which is, however, larger in diameter than thebore portion 16. Anannular shoulder 19 preceding theannular groove 17 is formed in this way. Two diametrally opposedtransverse slots 20 which leave a passage to theannular groove 17 are located in theshoulder 19. - The
casing base 15 is used to mount alock cylinder 21. The lock cylinder has a smaller cross sectioncylindrical portion 22, the external diameter of which corresponds to the internal diameter of thebore portion 16, and which is rotatably mounted therein. Plate-like tumblers 23 directed transverse to the longitudinal axis of the lock cylinder are guided in thecylindrical portion 22 and are arranged with equal spacing, and in an equal number, to theannular grooves 6 of thewheel bolt 1. Springs (not illustrated) outwardly load thetumblers 23 so that thetumblers 23 dip with one end into theannular grooves 6 when thecasing 10 is applied to thewheel bolt 1 in accordance with Figure 2. Consequently, thecasing 10 cannot be removed from thepolygonal head 4 of thewheel bolt 1, but can only be rotated relative to the polygonal head. - Figure 2 also shows that the outer ends of the
tumblers 23 are closer to the centre line of the wheel bolt than the beginning of the saw-tooth slope flanks 7. - The larger
cross section collar 24 which is adapted to the diameter of thebore portion 18, is rotatably mounted therein and is adjacent to the smallercross section portion 22 also serves to support thelock cylinder 21. At a short distance from the free face end of thecollar 24, two diametrally opposed projectingcatches 25 are shaped thereon. Each of these projectingcatches 25 is formed by two fork-shapedwings 26 which are radial to the lock cylinder and extend at the level of theannular groove 17 of thecasing base 15. The twowings 26 form a pair of wings. The outer rear regions of thewings 26 are constructed asramps 27. - As shown, in particular, in Figures 5 and 6, the width of this pair of wings is greater than the width of the
transverse slots 20. Figure 6 also shows that theramps 27 are spaced more closely at the run-on end than the width of thetransverse slots 20 - The assembly of
casing 10 andlock cylinder 21 to form a structural unit is shown in Figure 6. Using an auxiliary tool (not shown) thetumblers 23 are pulled back sufficiently far for thelock cylinder 21 to be inserted until the projectingcatches 25 oriented relative to thetransverse slots 20 first limit the insertion process. As the insertion process continues in the direction of the arrow in Figure 6, theramps 27 of thewings 26 travel agains the lateral edges 20' of thetransverse slots 20, thewings 26 being squeezed together to the clear opening of thetransverse slots 20. After passing through thetransverse slots 20, thewings 26 of the projectingcatches 25 enter theannular groove 17 so that the wings engage behind theshoulder 19 owing to their elastic restoring force. An irreversible plug-in connection is thus produced between the lock cylinder and the casing. Thelock cylinder 21 can be rotated relative to thecasing 10 but cannot be axially withdrawn from it. - A longitudinal
key channel 28 for receiving thekey shank 29 of a key 30 is located in thelock cylinder 21.Lock notches 31 cut to different depths are worked in thekey shank 29. Aprojection 33 which is arranged betweenkey shank 29 andkey handle 32 extends behind thelast lock notch 31, theprojection 33 projecting radially beyond thecollar 24 and dipping into theannular groove 17 when the key 30 is inserted into thekey channel 28 of thelock cylinder 21. - If the
casing 10 applied to thewheel bolt 1 is to be removed to release the wheel bolt, the key 30 should be introduced into thekey channel 28 of thelock cylinder 21 for this purpose. Thelock cylinder 21 should be rotated with the key tip so that thekey channel 28 is aligned with one of thetransverse slots 20. Only then can the key 30 be completely inserted with retraction of thetumblers 23 into the position illustrated in Figure 3. Thecasing 10 can now be gripped by hand and be removed. However, it is also possible to remove it merely by using the key 30. For this purpose, thelock cylinder 21 should be rotated so that theprojection 33 of the key 30 engages behind theannular shoulder 19 at the end face of thecasing 10. During this rotation of the lock cylinder, thecasing 10 is not entrained as the sealingring 13 produces greater friction betweenpolygonal head 4 andcasing 10. By subsequent pulling of the key 30, thecasing 10 can be removed from thepolygonal head 4 via theprojection 33 of the key 30 loading theshoulder 19 of thecasing 10. - The
casing 10 can be applied to thewheel bolt 1 either with a key inserted or without a key. If the key is not inserted, the radially outwardly spring-loadedtumblers 23 load the saw-tooth slope flanks 7 representing the ramps with an inwardly directed displacement of thetumblers 23 during the application movement. When the movement for applying thecasing 10 is completed, thetumblers 23 are aligned with theannular grooves 6 of thewheel bolt 1 following the saw-tooth slope flanks 7 and, with spring loading, can advance into the position according to Figure 2, producing the security position which allows rotation of thecasing 10 but not removal thereof. - Even if a rotational position in which the projecting
catches 25 are aligned with thetransverse slots 20 is selected during removal of thecasing 10 by means of the key 30, the removal forces act only betweenprojection 33 of the key 30 andshoulder 19 of thecasing 10. The projecting catches 25 are not loaded on withdrawal from thetransverse slots 20.
Claims (6)
- An anti-theft device for motor vehicle wheels which device comprises a casing (10) covering the polygonal head (4) of a wheel nut or bolt (1) in which there is rotatably arranged a lock cylinder (21) the tumblers (23) of which project beyond the surface of the lock cylinder (21) and enter annular grooves (6) on the internal wall of the polygonal head in the anti-theft position, and can be adjusted into a position retracted from the annular grooves by insertion of the key (30), the key (30) having a projection (33) which lies in the plane of the key channel (28) and passes behind an annular shoulder (19) at the end face of the casing (10) when the key is inserted and turned from the basic position, this casing (10) trapping the key (30) against withdrawal and forming a transverse slot (20) for the passage of the projection (33), characterised in that at least one projecting catch (25) is shaped on the lock cylinder (21) and passes behind the annular shoulder (19) covering an annular groove (17) of the casing (10) into which the projection (33) of the key (30) projects.
- Anti-theft device according to claim 1, characterised in that the projecting catch (25) is guided through the transverse slot (20) into its engagement position.
- Anti-theft device according to claim 1 or claim 2, characterised in that the projecting catch (25) is formed by two fork-shaped wings (26) which are radial to the lock cylinder (21) and, after being inserted through the transverse slot (20), are spread apart in the circumferential direction owing to their elastic restoring force into the engagement position of the shoulder (19) and project into the annular groove (17).
- Anti-theft device, according to any of claims 1 to 3, characterised in that the outer rear regions of the wings (26) are constructed as ramps (27).
- Anti-theft device, according to any of the claims 1 to 4, characterised in that two diametrically opposed pairs of wings are arranged transverse to the key channel (28) and two correspondingly opposed transverse slots (20) are arranged in the end face of the casing (10).
- Anti-theft device, according to any of the claims 1 to 5, characterised in that the annular grooves (6) are preceded by annular zones with a saw-tooth cross section such that the saw-tooth slope flanks (7) serve as ramps for the tumblers (23).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4020067A DE4020067A1 (en) | 1990-06-23 | 1990-06-23 | DEVICE FOR THEFT PROTECTION OF MOTOR VEHICLE BICYCLES |
DE4020067 | 1990-06-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0463744A2 true EP0463744A2 (en) | 1992-01-02 |
EP0463744A3 EP0463744A3 (en) | 1992-02-05 |
EP0463744B1 EP0463744B1 (en) | 1995-07-12 |
Family
ID=6408955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91304908A Expired - Lifetime EP0463744B1 (en) | 1990-06-23 | 1991-05-30 | Anti-theft device for motor vehicle wheels |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0463744B1 (en) |
AT (1) | ATE125018T1 (en) |
DE (2) | DE4020067A1 (en) |
ES (1) | ES2074228T3 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0713946A2 (en) * | 1994-11-26 | 1996-05-29 | Julius Niederdrenk Kg | Furniture lock or locking |
EP0795662A1 (en) * | 1996-03-15 | 1997-09-17 | Valeo Securite Habitacle | Rotating lock for a vehicle wherein a mounted rotor is blocked by a bayonette type washer |
FR2784330A1 (en) * | 1998-10-13 | 2000-04-14 | Peugeot | ANTI-THEFT PROTECTION DEVICE FOR A MOTOR VEHICLE WHEEL |
GB2349170A (en) * | 1999-04-16 | 2000-10-25 | Tri Mark Corp | Latch system operator having a retainer mounted on a main body by means of interengaging shoulders |
WO2003064869A1 (en) * | 2002-01-28 | 2003-08-07 | AB J.E. Bergströms Mekaniska Verkstad | Unlocking fixture for locking device for a wheel bolt |
DE10107398C2 (en) * | 2001-02-14 | 2003-11-13 | Jul Niederdrenk Gmbh & Co Kg | Kit for furniture locks or furniture olives with an adapter housing to accommodate different locking systems |
EP1593563A1 (en) * | 2004-05-08 | 2005-11-09 | BPW FAHRZEUGTECHNIK GmbH & CO. KG | Theft protection device for vehicles having a rim with openings |
CN101936323A (en) * | 2010-09-17 | 2011-01-05 | 浙江吉利汽车研究院有限公司 | Vehicle theftproof nut |
CN103899631A (en) * | 2013-10-14 | 2014-07-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft bolt for vehicle tyre and special sleeve matched with anti-theft bolt |
CN108457972A (en) * | 2018-03-21 | 2018-08-28 | 辽宁电能发展股份有限公司 | A kind of outdoor transformer installation bolt anti-theft device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1504002A (en) * | 1966-10-14 | 1967-12-01 | Rhone Isere | Mechanical arrangement for connecting parts, especially for flat key security locks |
DE3017630A1 (en) * | 1980-05-08 | 1981-11-12 | DOM-Sicherheitstechnik GmbH & Co KG, 5040 Brühl | DEVICE FOR THEFT PROTECTION OF MOTOR VEHICLE BICYCLES |
EP0258491A1 (en) * | 1986-08-23 | 1988-03-09 | HUWIL-Werke GmbH Möbelschloss- u. Beschlagfabriken | Device for fixing of closing cylinders |
FR2614921A1 (en) * | 1987-05-04 | 1988-11-10 | Fichet Bauche | Device for safety against tearing out or pushing in a part which is fitted around another part, and assembly forming a safety lock equipped with this device |
DE8911765U1 (en) * | 1989-10-03 | 1991-01-31 | Ramsauer, Dieter, 5620 Velbert | Locking housing with flange for mounting in an opening of a thin-walled surface, in particular a sheet metal cabinet door or sheet metal box cover |
-
1990
- 1990-06-23 DE DE4020067A patent/DE4020067A1/en not_active Withdrawn
-
1991
- 1991-05-30 DE DE69111144T patent/DE69111144T2/en not_active Expired - Fee Related
- 1991-05-30 ES ES91304908T patent/ES2074228T3/en not_active Expired - Lifetime
- 1991-05-30 EP EP91304908A patent/EP0463744B1/en not_active Expired - Lifetime
- 1991-05-30 AT AT91304908T patent/ATE125018T1/en not_active IP Right Cessation
Patent Citations (5)
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FR1504002A (en) * | 1966-10-14 | 1967-12-01 | Rhone Isere | Mechanical arrangement for connecting parts, especially for flat key security locks |
DE3017630A1 (en) * | 1980-05-08 | 1981-11-12 | DOM-Sicherheitstechnik GmbH & Co KG, 5040 Brühl | DEVICE FOR THEFT PROTECTION OF MOTOR VEHICLE BICYCLES |
EP0258491A1 (en) * | 1986-08-23 | 1988-03-09 | HUWIL-Werke GmbH Möbelschloss- u. Beschlagfabriken | Device for fixing of closing cylinders |
FR2614921A1 (en) * | 1987-05-04 | 1988-11-10 | Fichet Bauche | Device for safety against tearing out or pushing in a part which is fitted around another part, and assembly forming a safety lock equipped with this device |
DE8911765U1 (en) * | 1989-10-03 | 1991-01-31 | Ramsauer, Dieter, 5620 Velbert | Locking housing with flange for mounting in an opening of a thin-walled surface, in particular a sheet metal cabinet door or sheet metal box cover |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4442125C1 (en) * | 1994-11-26 | 1996-07-11 | Niederdrenk Julius Kg | Furniture lock or lock |
EP0713946A3 (en) * | 1994-11-26 | 1996-10-30 | Niederdrenk Julius Kg | Furniture lock or locking |
EP0713946A2 (en) * | 1994-11-26 | 1996-05-29 | Julius Niederdrenk Kg | Furniture lock or locking |
EP0795662A1 (en) * | 1996-03-15 | 1997-09-17 | Valeo Securite Habitacle | Rotating lock for a vehicle wherein a mounted rotor is blocked by a bayonette type washer |
FR2746133A1 (en) * | 1996-03-15 | 1997-09-19 | Valeo Securite Habitacle | ROTARY LOCK FOR A MOTOR VEHICLE PROVIDED WITH A BAYONET RING FOR LOCKING ITS ROTOR |
FR2784330A1 (en) * | 1998-10-13 | 2000-04-14 | Peugeot | ANTI-THEFT PROTECTION DEVICE FOR A MOTOR VEHICLE WHEEL |
EP0994263A1 (en) * | 1998-10-13 | 2000-04-19 | Automobiles Peugeot | Anti-theft protection device for a motor vehicle wheel |
GB2349170A (en) * | 1999-04-16 | 2000-10-25 | Tri Mark Corp | Latch system operator having a retainer mounted on a main body by means of interengaging shoulders |
GB2349170B (en) * | 1999-04-16 | 2003-10-22 | Tri Mark Corp | Operator for a latch system |
DE10107398C2 (en) * | 2001-02-14 | 2003-11-13 | Jul Niederdrenk Gmbh & Co Kg | Kit for furniture locks or furniture olives with an adapter housing to accommodate different locking systems |
WO2003064869A1 (en) * | 2002-01-28 | 2003-08-07 | AB J.E. Bergströms Mekaniska Verkstad | Unlocking fixture for locking device for a wheel bolt |
EP1593563A1 (en) * | 2004-05-08 | 2005-11-09 | BPW FAHRZEUGTECHNIK GmbH & CO. KG | Theft protection device for vehicles having a rim with openings |
CN101936323A (en) * | 2010-09-17 | 2011-01-05 | 浙江吉利汽车研究院有限公司 | Vehicle theftproof nut |
CN101936323B (en) * | 2010-09-17 | 2012-07-18 | 浙江吉利汽车研究院有限公司 | Vehicle theftproof nut |
CN103899631A (en) * | 2013-10-14 | 2014-07-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft bolt for vehicle tyre and special sleeve matched with anti-theft bolt |
CN108457972A (en) * | 2018-03-21 | 2018-08-28 | 辽宁电能发展股份有限公司 | A kind of outdoor transformer installation bolt anti-theft device |
CN108457972B (en) * | 2018-03-21 | 2023-08-18 | 辽宁电能发展股份有限公司 | Outdoor transformer mounting bolt anti-theft device |
Also Published As
Publication number | Publication date |
---|---|
EP0463744A3 (en) | 1992-02-05 |
EP0463744B1 (en) | 1995-07-12 |
ES2074228T3 (en) | 1995-09-01 |
ATE125018T1 (en) | 1995-07-15 |
DE4020067A1 (en) | 1992-01-02 |
DE69111144D1 (en) | 1995-08-17 |
DE69111144T2 (en) | 1995-12-14 |
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