WO2007015021A2 - Cle pour la transmission d'un couple de serrage ou de desserrage a un dispositif de vis antivol - Google Patents
Cle pour la transmission d'un couple de serrage ou de desserrage a un dispositif de vis antivol Download PDFInfo
- Publication number
- WO2007015021A2 WO2007015021A2 PCT/FR2006/050710 FR2006050710W WO2007015021A2 WO 2007015021 A2 WO2007015021 A2 WO 2007015021A2 FR 2006050710 W FR2006050710 W FR 2006050710W WO 2007015021 A2 WO2007015021 A2 WO 2007015021A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fingers
- pins
- key
- peripheral
- notches
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/485—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/105—Spanners; Wrenches with adjustable jaws composed of a plurality of slidable pins
Definitions
- the present invention relates to a key for the transmission of a tightening or loosening torque to an anti-theft screw device, in particular of vehicle wheels, of the type where the coupling is made through concordant impressions whose characteristics of shape, dimensions and layout are suitable for constituting a code.
- the wheel of a motor vehicle is fixed by means of screws whose head, which allows the transmission of the tightening or loosening torque, is of hexagonal shape.
- Numerous screw devices or the like provided with coding means are known, such as those described in documents GB 2.006.371, FR 2.359.730 and FR 2.567.215. These devices comprise on the one hand a screw whose head has either peripheral and / or facial notches arranged angularly irregularly, and on the other hand a socket-type key provided with pins or fingers arranged according to the same arrangement and intended to to cooperate with said notches in order to achieve the coupling capable of allowing the transfer of torque.
- the object of the present invention is to propose a key for the transmission of a tightening or loosening torque to an anti-theft screw device, in particular of vehicle wheels, which can not be used fraudulently. according to the manner previously described.
- the key for the transmission of a tightening or loosening torque to an anti-theft screw device, in particular of vehicle wheels according to the invention wherein said screw device comprises a head which has angularly arranged peripheral and / or facial notches.
- said key is of the socket type internally provided with pins or fingers arranged in the same arrangement and intended to cooperate with said peripheral and / or facial notches in order to perform the coupling capable of allowing the transmission of a torque
- said key is essentially characterized in that said pins or fingers are movably mounted in axial displacement so that they can each during a front thrust retract into a housing to take a position preventing any cooperation with the notches of said head if they are arranged according to another arrangement.
- the key according to the invention thus has a well defined footprint corresponding to a code, a footprint delimited by axially retractable mounted pins, so that if the screw does not have the corresponding impression, the engagement of said key on the latter causes the retraction of said fingers or pions, and therefore does not allow the meshing and thus the transmission of a couple.
- the key according to the invention can not be forced on a screw, since the simple attempt to approach the key of an unsuitable screw causes the return of the pawn or fingers that are not exactly in front of the notches. However, one can still hijack the use of such a key. Indeed, if a single pin or finger can not allow to transmit the necessary torque, since there is no centering possible, it may happen that two pins or fingers are angularly arranged to allow such transmission.
- connection means adapted to make all the pins or fingers integral displacement.
- the key is in the form of a socket having a cavity defined by a wall in the inner face of which are formed longitudinally sized housing and each formed to receive a finger or pin capable of moving axially, and adapted to cooperate with peripheral notches that includes the screw head.
- the insert has a generally tubular shape and comprises a peripheral rim while the fingers or pins each laterally have a notch or the like adapted to cooperate with said edge so as to ensure a snap.
- the pins or fingers are cylindrical in shape, the catch consisting of a peripheral groove.
- the pins or fingers and the housings in which they are mounted mobile are dimensioned so that said pins or fingers cooperate closely with said housings, in order to generate sufficient friction for prevent the reversibility of the retraction can be achieved by gravity.
- this feature makes it even more difficult for malicious use of this key. It should be noted, however, that a possibility of return of the pawns or fingers by gravity or assisted through spring means can be provided.
- FIG. 1 shows a schematic perspective view of an anti-theft screw device capable of being operated by a key according to the invention.
- FIG. 2 shows a partial perspective view of a key according to the invention.
- FIG. 3 shows a partial schematic sectional view along a median diametral plane of the same key.
- FIG. 4 shows a perspective view and exploded part of the same key.
- FIG. 5 shows a schematic sectional view along a median diametral plane of the same key and a portion of the anti-theft screw device.
- FIG. 1 can be seen an anti-theft screw device 1 to be operated by means of a key 1 according to the invention.
- This anti-theft screw device 1 comprises a threaded body 10 surmounted by a head 11, which comprises a cylindrical drum 12 provided with peripheral notches 13 arranged angularly of irregularly, and intended to allow the transmission of a tightening torque or loosening.
- a key 2 according to the invention, which in this case is in the form of an adaptable socket, for example, on a tool not shown, and which comprises in this effect of the opposite side to that open, a male footprint 24 intended to cooperate with a tool of conventional type.
- the key 2 has on the open side a cavity 20 delimited by an inner wall 21 in which are formed housing 22, whose angular distribution is identical to that of the notches 13, and each in the form of a longitudinal groove of substantially semicircular section. circular.
- the key 2 comprises an insert 3 intended to be introduced into the cavity 20, which comprises a portion 30 of tubular shape which has at one end and externally a peripheral ridge 31, and at the other end an axial cylindrical stud 32 for insertion into a blind hole 25 formed in the key 2, in the bottom of the cavity 20.
- the dimensions of the cavity 20 and those of the insert 3 allow the latter to move axially, tightly and freely in the cavity 20, the sliding of the stud 32 in the blind hole 25 providing additional guidance.
- Each housing 22 is intended to receive a finger 23 of generally cylindrical concordant shape and of a length less than that of the housing so as to be able to move axially.
- the fingers 23 comprise a peripheral groove 26 of a width allowing to closely accommodate the peripheral rim 31 of the insert 3, so as to hang on, and thus bind all the fingers 23 to the displacement of the insert 3.
- the fingers 23 are fitted tightly into the housings 22 made between leather and flesh, so as not to be able to move freely by gravity, but only under the effect of an axial thrust, while that the insert 3 is itself retained in the cavity 20 through the fingers 23.
- the insert 3 can thus move axially and take two extreme positions in and out.
- the fingers 23 In the outward position, that shown in FIG. 4, the fingers 23 can cooperate with the notches 13 of the head 11 of the antitheft screw 1, whereas in the retracted position, where each of the fingers 23 is retracted in its housing 22, there is no cooperation with the notches 13.
- the screw may not include a peripheral shoulder, and that in this case it may be provided that the end edge 27 of the sleeve 2 abuts directly on the object to be joined by screwing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06779046A EP1910032B1 (fr) | 2005-08-03 | 2006-07-12 | Cle pour la transmission d'un couple de serrage ou de desserrage a un dispositif de vis antivol |
| ES06779046T ES2419057T3 (es) | 2005-08-03 | 2006-07-12 | Llave para la transmisión de un par de apretado o de aflojamiento a un dispositivo de tornillo antirrobo |
| BRPI0614499-3A BRPI0614499A2 (pt) | 2005-08-03 | 2006-07-12 | chave para a transmissão de um binário de aperto ou de desaperto a um dispositivo de parafusos anti-roubo |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0552423A FR2889475A1 (fr) | 2005-08-03 | 2005-08-03 | Cle pour la transmission d'un couple de serrage ou de desserrage a un dispositif de vis antivol |
| FR0552423 | 2005-08-03 | ||
| FR0552713A FR2889476B1 (fr) | 2005-08-03 | 2005-09-08 | Cle pour la transmission d'un couple de serrage ou de desserrage a un dispositif de vis antivol |
| FR0552713 | 2005-09-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2007015021A2 true WO2007015021A2 (fr) | 2007-02-08 |
| WO2007015021A3 WO2007015021A3 (fr) | 2007-05-10 |
Family
ID=37669690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2006/050710 Ceased WO2007015021A2 (fr) | 2005-08-03 | 2006-07-12 | Cle pour la transmission d'un couple de serrage ou de desserrage a un dispositif de vis antivol |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1910032B1 (fr) |
| BR (1) | BRPI0614499A2 (fr) |
| ES (1) | ES2419057T3 (fr) |
| FR (1) | FR2889476B1 (fr) |
| WO (1) | WO2007015021A2 (fr) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193420A (en) | 1992-01-24 | 1993-03-16 | Smith Charles T | Locking lug removal tool |
| WO1997014539A1 (fr) | 1995-10-17 | 1997-04-24 | Worktools, Inc. | Prise femelle auto-adaptable |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2359730A1 (fr) | 1976-07-26 | 1978-02-24 | Zeppellini Dino | Ecrou ou boulon antivol pour roue de vehicule, pour automobile en particulier |
| GB2006371B (en) | 1977-10-04 | 1982-06-30 | Hart H | Fastening means |
| IL67733A0 (en) * | 1983-01-23 | 1983-05-15 | Mekler Dan | Tamper-proof fastener and snap on wrench for use therewith |
| FR2567215A1 (fr) | 1984-07-04 | 1986-01-10 | Lanneree Daniel | Dispositif antivol pour fixer par vissage un organe tel qu'une roue de vehicule |
| US5829328A (en) * | 1995-08-02 | 1998-11-03 | Chen; Shyong-Chwan | Multiple sockets wrench |
| SE520940C2 (sv) * | 2002-01-28 | 2003-09-16 | J E Bergstroems Mek Verkst Ab | Upplåsningsfixtur för upplåsning av låsanordning för en hjulbult |
-
2005
- 2005-09-08 FR FR0552713A patent/FR2889476B1/fr not_active Expired - Fee Related
-
2006
- 2006-07-12 BR BRPI0614499-3A patent/BRPI0614499A2/pt not_active IP Right Cessation
- 2006-07-12 EP EP06779046A patent/EP1910032B1/fr active Active
- 2006-07-12 ES ES06779046T patent/ES2419057T3/es active Active
- 2006-07-12 WO PCT/FR2006/050710 patent/WO2007015021A2/fr not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193420A (en) | 1992-01-24 | 1993-03-16 | Smith Charles T | Locking lug removal tool |
| WO1997014539A1 (fr) | 1995-10-17 | 1997-04-24 | Worktools, Inc. | Prise femelle auto-adaptable |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007015021A3 (fr) | 2007-05-10 |
| FR2889476B1 (fr) | 2007-09-21 |
| FR2889476A1 (fr) | 2007-02-09 |
| EP1910032B1 (fr) | 2013-03-27 |
| ES2419057T3 (es) | 2013-08-19 |
| BRPI0614499A2 (pt) | 2011-03-29 |
| EP1910032A2 (fr) | 2008-04-16 |
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