EP0731243A1 - Riegel mit entkuppelbarem Rotor und Automobillenkschloss mit einem solchen Riegel - Google Patents

Riegel mit entkuppelbarem Rotor und Automobillenkschloss mit einem solchen Riegel Download PDF

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Publication number
EP0731243A1
EP0731243A1 EP96103461A EP96103461A EP0731243A1 EP 0731243 A1 EP0731243 A1 EP 0731243A1 EP 96103461 A EP96103461 A EP 96103461A EP 96103461 A EP96103461 A EP 96103461A EP 0731243 A1 EP0731243 A1 EP 0731243A1
Authority
EP
European Patent Office
Prior art keywords
rotor
key
lock
indexing
axial
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
EP96103461A
Other languages
English (en)
French (fr)
Other versions
EP0731243B1 (de
Inventor
Louis Canard
Pascal Olive
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
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 Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP0731243A1 publication Critical patent/EP0731243A1/de
Application granted granted Critical
Publication of EP0731243B1 publication Critical patent/EP0731243B1/de
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
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member

Definitions

  • the present invention relates to a disengageable rotor lock.
  • the invention relates more particularly to a lock intended to be used for controlling a motor vehicle steering lock.
  • the steering lock comprises a housing mounted on the steering column and which receives a lock which controls a bolt which projects through an opening of the housing to cooperate with a rotary member of the steering column.
  • the main ones consist in acting on the lock, in particular by means of a false key.
  • a disengageable rotor lock are of the type comprising a rotor mounted journalling in an intermediate stator in the form of a bushing itself pivotally mounted in a fixed lock body, locking members such as flakes or pairs of pistons cooperating with the rotor and the intermediate stator to secure them in rotation in the absence of a key, or in the presence of a non-conforming key, and to release the rotor in rotation relative to the intermediate stator after introduction of a conforming key , and of the type comprising an angular indexing member of the intermediate stator relative to the fixed body which is mounted to move radially between an indexing position towards which it is resiliently recalled and in which it is received in a groove in the fixed body, and a retracted position in which it is erased radially inwards at least partially in a housing of the rotor, against an elastic restoring force.
  • the indexing member is for example produced in the form of an arm arranged in a longitudinal housing formed in the peripheral wall of the intermediate stator, the arm comprising, on its external radial face, a projection which, in the indexing position, is received in a longitudinal groove formed in the internal wall of the fixed lock body so as to make the intermediate stator integral in rotation with the fixed body, in the absence of a key, or in the presence of a conforming key.
  • a disengageable mechanism for controlling a lock has also been proposed, fitted in particular to a motor vehicle opening, of the type comprising a disengageable rotor lock as described in document FR-A-2,642,463.
  • the object of the present invention is to propose a new design of a disengageable rotor lock of the type mentioned above which overcomes the drawbacks which have just been mentioned.
  • the invention proposes a lock characterized in that it comprises an outlet member mounted rotationally in the fixed lock body and which is linked in rotation to the rotor by disengageable drive means, the disengagement of which is caused by the stator indexing member when it is in the retracted position, and in that the disengageable drive means immobilize the output member in rotation relative to the fixed lock body when they are in the disengaged position under the action of the indexing member.
  • the anti-theft device 10 illustrated in FIGS. 1 and 2 is essentially constituted by an anti-theft device 12, by a latch 14, and by a retaining plug 16.
  • the anti-theft housing 12 is a part produced by molding comprising a part 18 of generally cylindrical tubular shape which is essentially constituted by a cylindrical annular skirt 22 which determines a hollow tubular housing 24 which is intended to receive the components of the latch 14.
  • the part 18 also comprises, in the extension of the annular skirt 22, a cylindrical annular skirt 26 which delimits a housing 28 of larger diameter than the housing 24 which is designed to receive a cylindrical part of complementary diameter 30 of the body of the retaining plug 16.
  • the part 18 of the housing 12 has an open end 31 through which partially protrudes an end 32 of the rotor or barrel 34 of the latch 14 which has a slot 36 (see FIG. 2) for the introduction by the driver of a conforming key of the lock for the anti-theft control.
  • the rotor 34 is mounted for rotation in an intermediate stator in the form of a socket 38 which is itself mounted for rotation in a tubular jacket 40.
  • the tubular jacket 40 is received in the housing 28 of the part 18 of the housing 12 of the anti-theft device 10 in which it is immobilized in rotation by means of an axial pin 42 which is received in a notch 44 formed in the surface cylindrical outer 46 of the liner 40 and in a complementary notch (not shown) formed in the inner cylindrical wall of the housing 24 which receives the liner 40.
  • the tubular jacket 40 thus constitutes the fixed lock body 14 within the meaning of the invention.
  • the internal cylindrical wall 48 of the tubular fixed body 40 has two diametrically opposite axial grooves 50 and 52 whose function will be explained below and which extend axially from the annular end face 54 of the jacket 40 facing axially towards the open end of the housing 28, that is to say in the direction of the closure plug 16.
  • the intermediate stator 38 is a socket-shaped part comprising a main internal bore 56 in which the cylindrical body 58 of the rotor 34 is rotatably mounted, which receives a set of flakes 60 and springs 62, according to a known design, so as to secure in rotation the rotor 34 and the intermediate stator 38 as long as a conforming key has not been introduced into the slot 36 of the latch 14.
  • the axial end portion 64 of the intermediate stator 38 opposite the end 32 of the rotor comprising the insertion slot 36 has a radial lumen 66 opening at its two ends in which a finger-shaped indexing member is slidably mounted 68.
  • the indexing finger 68 has a tab 70 which, in particular during the assembly of the components, avoids complete radial exhaust to the outside of the indexing finger 68 out of the lumen 66.
  • the outer radial end 72 of the indexing finger 68 has an inverted V-shaped profile which is intended to be received in the axial groove 50 of the fixed body 40 and whose opposite and inclined edges 74 are provided to cooperate with the edges vis-à-vis 76 of the longitudinal groove 50 which also has an inverted V-shaped profile.
  • This known arrangement makes it possible to ensure indexing and immobilization in rotation of the intermediate stator 38 relative to the fixed body 40 when the indexing finger 68 is biased radially outwards, as will be explained below, and that it is received in groove 50.
  • the radial inner end face 78 of the indexing finger 68 extends opposite the axial free end part 80 of the rotor 34 which is opposite the end 32 of the latter comprising the slot 36.
  • the axial end part 80 is produced in the form of a cylindrical annular skirt 82 which delimits an internal bore 84.
  • the axial end portion 80 has an through axial slot 86 which is capable of extending, as a function of the relative angular position of the rotor relative to the intermediate stator, facing the light or slot 66.
  • the width of the slot 86 is also slightly greater than the width of the indexing finger 68 so that the latter can penetrate radially inwards into the slot 86 so as to disappear radially at least partially in the housing of the rotor 34 constituted by the through axial slot 86.
  • the end portion 32 of the rotor 34 also includes a notch 88 intended to receive a roller 90 which cooperates with a ramp formed in the bottom of the housing 24 to cause an axial displacement of the assembly formed by the stator intermediate and the rotor 34 during the axial introduction to the bottom of a conforming key, this axial displacement making it possible to control, for example, an electrical switch associated with the anti-theft device (not shown).
  • the latch 14 also includes an outlet member 92 which is a member mounted for rotation in the fixed latch body 40 along the axis of rotation X-X common to the rotor 34 and to the stator 38.
  • the outlet member 92 comprises a main part of generally cylindrical shape 94 which constitutes the part for guiding in rotation of the drive member 92 in the internal cylindrical surface 48 of the jacket constituting the fixed body 40.
  • the main part 94 of the outlet member 92 comprises a crank pin 98 which is designed to cooperate, in a manner which will not be described here in more detail, with a cam of a slide 100 which is mounted sliding radially in the plug 16 and which acts on a locking bolt 102 which is capable of being received in a notch (not shown) of the steering column 104.
  • the main part 94 of the outlet member 92 extends axially by a cylindrical coaxial extension 112 which is intended to be received in rotation in the internal bore 84 of the rotor 34.
  • the cylindrical axial extension 112 comprises, substantially over its entire length, an axial slot 116 with parallel edges which opens radially at its two ends.
  • the slot 116 also opens axially into a radial groove 118 formed diametrically in the radial end face 106 of the main part 94 of the outlet member 92.
  • the slot 116 and the groove 118 receive in radial sliding a key 120.
  • the key 120 essentially consists of a guide rod 122 which is received and guided in radial sliding in the groove 118 and whose free end 123 located radially outwards is extended axially by an arm 124 with parallel faces which is likely to be received by sliding in the slot 116.
  • the arm 124 is extended radially inwards by a complementary guide rod 126.
  • the width of the arm 124 constituting the key 120 and of the complementary guide rod 126 are slightly less than the width of the slot 116 so as to allow the radial sliding movement of the key 120.
  • the active part of the key 120 within the meaning of the invention, has a section whose profile is in the form of an inverted V which delimits two opposite inclined surfaces 128 which, as will be explained below, are capable of cooperating with the parallel edges 130 of the through axial slot 86 of the axial end portion 80 of the rotor 34.
  • the transverse thickness of the key 120 is of course slightly less than the width of the slot of the axial groove 86.
  • a helical compression spring 132 is arranged between the underside of the arm 124 and a bearing surface 136 (see FIG. 4) formed opposite in the axial extension 112 of the outlet member 92.
  • the height, considering FIG. 2, of the main guide rod 122, is such that the distance which separates its outer radial end 124 from its other radial end 126 is slightly less than the diameter of the main part 94.
  • the second end 127 of the guide rod 122 constitutes the second end of the key 120, within the meaning of the invention, and it is capable of being received in the axial groove 52 formed in the internal cylindrical wall 48 of the fixed body 40 .
  • the upper face 138 of the arm 124 constituting the active part of the key 120 is capable of cooperate with the lower radial face 78 of the indexing finger 68 when these components are aligned.
  • the inner radial face 78 of the indexing finger 68 is also capable of cooperating with the external cylindrical surface 81 of the axial end portion 80 of the rotor 34 as will be explained below.
  • the intermediate stator 38 is immobilized in rotation relative to the fixed body 40 due to the cooperation of the indexing finger 68 with the longitudinal groove 50.
  • the rotor 34 is immobilized in rotation relative to the intermediate stator 38 in the angular position illustrated in FIG. 4 in which the indexing finger 68 extends opposite the axial slot 86 of the part 80 of the rotor 34.
  • the active part 120 of the key for driving the output member 92 bears radially outward against the internal radial face 78 of the indexing finger 68 under the action of the spring 132 which bears against the surface 136.
  • the active part 120 of the drive key is received in the axial groove 86 and it is therefore impossible to fraudulently cause rotation of the output member 92 because the rotor 34 is itself immobilized in rotation relative to the intermediate stator 38 which is immobilized in rotation relative to the fixed body 40.
  • This normal operation corresponds to the introduction of a conforming key into the lock, through the slot 36.
  • the active part of the key 120 is biased to bear radially outward against the concave cylindrical surface of the internal bore 56 of the rotor 38.
  • the key 120 therefore normally occupies the same radial position relative to the rotor 34 and to the extension 112 as that illustrated in FIGS. 4 and 5.
  • FIGS. 8 and 9 show the relative positions occupied by the various components in the case of the introduction of a non-conforming key.
  • This first erasure or retraction of the indexing finger 68 has the first consequence of rendering the assembly constituted by the intermediate stator 38 and the rotor 34 idle in rotation relative to the fixed body 40.
  • the indexing finger 68 By penetrating radially inwards into the slot 86, the indexing finger 68, via its inner radial end face 78 also causes the active part of the key 120 to move radially inwards. is guided in the slot 116, and this against the elastic return force provided by the spring 132.
  • the thief therefore does not cause any rotation drive of the exit member 92 via the rotor 34 because the latter no longer drives the key 120 which has faded radially inwards in the slot 116 due to the cooperation of its inclined surfaces in inverted V 128 with the parallel edges 130 of the through axial slot 86.
  • the lock 14 according to the invention which has just been described is therefore not only of the disengageable type but it provides greater security insofar as it is impossible for a thief to cause a rotation of the exit member 92 in l 'absence of a conforming key, even when the thief seeks to act directly on the output member 92, for example by trying to rotate the latter by acting on the coaxial output rod 140 which is intended to act on a switch rotary associated with the lock (not shown).

Landscapes

  • Lock And Its Accessories (AREA)
EP96103461A 1995-03-10 1996-03-05 Riegel mit entkuppelbarem Rotor und Automobillenkschloss mit einem solchen Riegel Expired - Lifetime EP0731243B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9502895 1995-03-10
FR9502895A FR2731456B1 (fr) 1995-03-10 1995-03-10 Verrou a rotor debrayable et antivol de direction de vehicule automobile equipe d'un tel verrou

Publications (2)

Publication Number Publication Date
EP0731243A1 true EP0731243A1 (de) 1996-09-11
EP0731243B1 EP0731243B1 (de) 2000-05-03

Family

ID=9476979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103461A Expired - Lifetime EP0731243B1 (de) 1995-03-10 1996-03-05 Riegel mit entkuppelbarem Rotor und Automobillenkschloss mit einem solchen Riegel

Country Status (4)

Country Link
EP (1) EP0731243B1 (de)
DE (1) DE69608018T2 (de)
ES (1) ES2148607T3 (de)
FR (1) FR2731456B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0833023A2 (de) * 1996-09-25 1998-04-01 VALEO GmbH & Co Schliesssysteme KG Schliesszylinder mit einer Überlastkupplungseinrichtung
FR2755457A1 (fr) * 1996-11-07 1998-05-07 Valeo Securite Habitacle Verrou de vehicule automobile comportant une goupille de fixation axiale et d'indexation d'une douille intermediaire

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601990A1 (fr) * 1986-07-25 1988-01-29 Dupart Jean Antivol de direction a pene axial de haute securite pour vehicule automobile
EP0370904A1 (de) * 1988-11-22 1990-05-30 Jean Dupart Sicherheitsschloss mit drehendem Stator
FR2642463A1 (fr) * 1989-01-30 1990-08-03 Neiman Sa Serrure debrayable a stator rotatif
WO1991011579A1 (en) * 1990-01-26 1991-08-08 Ferenc Moricz Burgler proof lock, especially lock for cars
EP0571249A1 (de) * 1992-05-20 1993-11-24 Valeo Securite Habitacle Riegel mit entkuppelbarem Rotor, insbesondere für ein Kraftfahrzeug

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041134C1 (en) * 1990-12-21 1992-06-04 Huelsbeck & Fuerst Gmbh & Co Kg, 5620 Velbert, De Car lock cylinder with core guide - which carriers a radially displaceable follower, spring-loaded up to radial abutment on guide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601990A1 (fr) * 1986-07-25 1988-01-29 Dupart Jean Antivol de direction a pene axial de haute securite pour vehicule automobile
EP0370904A1 (de) * 1988-11-22 1990-05-30 Jean Dupart Sicherheitsschloss mit drehendem Stator
FR2642463A1 (fr) * 1989-01-30 1990-08-03 Neiman Sa Serrure debrayable a stator rotatif
WO1991011579A1 (en) * 1990-01-26 1991-08-08 Ferenc Moricz Burgler proof lock, especially lock for cars
EP0571249A1 (de) * 1992-05-20 1993-11-24 Valeo Securite Habitacle Riegel mit entkuppelbarem Rotor, insbesondere für ein Kraftfahrzeug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0833023A2 (de) * 1996-09-25 1998-04-01 VALEO GmbH & Co Schliesssysteme KG Schliesszylinder mit einer Überlastkupplungseinrichtung
EP0833023A3 (de) * 1996-09-25 1998-09-16 VALEO GmbH & Co Schliesssysteme KG Schliesszylinder mit einer Überlastkupplungseinrichtung
FR2755457A1 (fr) * 1996-11-07 1998-05-07 Valeo Securite Habitacle Verrou de vehicule automobile comportant une goupille de fixation axiale et d'indexation d'une douille intermediaire

Also Published As

Publication number Publication date
EP0731243B1 (de) 2000-05-03
FR2731456A1 (fr) 1996-09-13
DE69608018D1 (de) 2000-06-08
FR2731456B1 (fr) 1997-04-04
ES2148607T3 (es) 2000-10-16
DE69608018T2 (de) 2000-12-14

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