EP0591036A1 - Zylinderschloss mit einem Rotor und einem Stator, und entsprechender Schlüssel - Google Patents

Zylinderschloss mit einem Rotor und einem Stator, und entsprechender Schlüssel Download PDF

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Publication number
EP0591036A1
EP0591036A1 EP93402354A EP93402354A EP0591036A1 EP 0591036 A1 EP0591036 A1 EP 0591036A1 EP 93402354 A EP93402354 A EP 93402354A EP 93402354 A EP93402354 A EP 93402354A EP 0591036 A1 EP0591036 A1 EP 0591036A1
Authority
EP
European Patent Office
Prior art keywords
rotor
key
housing
stator
lock according
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
EP93402354A
Other languages
English (en)
French (fr)
Other versions
EP0591036B1 (de
Inventor
Roland Arzul
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 Systemes de Fermetures SA
Original Assignee
Vachette SA
Ymos France SA
Vachette Ymos
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 Vachette SA, Ymos France SA, Vachette Ymos filed Critical Vachette SA
Publication of EP0591036A1 publication Critical patent/EP0591036A1/de
Application granted granted Critical
Publication of EP0591036B1 publication Critical patent/EP0591036B1/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
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/0047—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key with substantially circular or star-shape cross-section

Definitions

  • the subject of the invention is a lock of the type comprising a stator and a rotor mounted in said stator, said stator being provided with a housing intended to receive a key adapted to cooperate with locking elements provided for locking said rotor with respect to said stator when the key is not present in said housing, and making the rotor free to rotate relative to said stator when the key is present in said housing.
  • Flat keys are known, with rectangular section, of which indentations provided on the edge of the key have varying depths and positioning on the edge to obtain different combinations: if the manufacture of such a key is easy and inexpensive, the number of combinations is reduced.
  • keys have already been made in the form of a cylinder at the periphery of which are housed, intended to receive the locking elements, distributed longitudinally and angularly; these housings which do not communicate with each other have made it difficult to obtain such a key by manufacturing means limiting the cost price, such a key being necessarily obtained by stamping.
  • the present invention relates to a lock of the above type whose key combinations are numerous and whose manufacture is easy, therefore inexpensive.
  • a lock comprising a stator and a rotor mounted in said stator, said rotor being provided with a housing intended to receive a key adapted to cooperate with locking elements provided for locking said rotor relative to said stator when the key is not present in said housing, and making the rotor free to rotate relative to said stator when the key is present in said housing, is characterized by the fact that the rotor housing is a cylindrical axial bore of non-cross section circular in which the locking elements extend, at least two of which are in the same plane perpendicular to the axis common to rotor and stator, said key being hollowed out by a circumferential peripheral groove internally limited by a bottom with which the at least two locking elements are brought to cooperate when the key is present in the housing of the rotor.
  • the groove can be produced by simple machining means, and be cut by turning, which minimizes the cost price of the assembly of the bolt and of the key associated therewith.
  • the section of the rotor bore is, according to a first sector, a circular arc centered on the axis of the rotor extending over less than 360 ° and, according to a second sector, of any shape other than a arc of a circle along the circle of the first sector (106).
  • the section of the rotor bore is formed by two circular sectors belonging to the same circle centered on the axis of the rotor, and by two flats.
  • the two dishes face each other, the two circular sectors also facing each other.
  • the bottom of the groove is of circular section and its axis is distinct from the axis of the rotor; alternatively, the bottom of the groove is elliptical, the ellipse having its center on the axis of the rotor.
  • the locking elements consist of stator pins and rotor pins slidably mounted in radial holes in the stator and the rotor.
  • Such a lock is inexpensive to manufacture and allows many combinations; furthermore, it has a short axial length and its protection, in particular with regard to water or dust, can be easily achieved; for this, it suffices to mount a sliding protective element in the key housing, said protective element having a closing face closing the housing when the key is not present in the housing, under the action of elastic means acting on said protective element.
  • the invention also relates to a key intended to be used in a lock as defined above for locking and unlocking the rotor and the stator of said lock.
  • the above protective element is also applicable to any lock of the type comprising a stator and a rotor mounted in said stator, said rotor being provided with a housing intended to receive a key adapted to cooperate with locking elements provided for locking. said rotor relative to said stator when the key is not present in said housing, and making the rotor free to rotate relative to said stator when the key is present in said housing.
  • Locks have already been fitted with protective elements, but so far these protective elements are unreliable and / or bulky; in particular in the application to a motor vehicle, the locks are often very small in size and it is difficult to equip them with an effective protective element.
  • the present invention solves this problem.
  • a lock of the above type is characterized in that a protective element is slidably mounted in said key housing, said protective element having a closing face closing the housing, when the key n 'is not present in the housing, under the action of elastic means acting on said protective element; the section of the protective element is equal to that of the housing, apart from the mounting clearance; the section of the housing is of a shape such that it allows the rotor to be driven in rotation by the key.
  • the elastic means acting on said protective element bear on a plug closing the end of the housing opposite to that which allows the introduction of the key into the housing.
  • the closing face is surrounded by an inlet plate integral with the rotor; the outer face of the entry plate has a shape facilitating the introduction of the key into the housing.
  • the locking elements consist of pins arranged in radial passages formed radially in the stator and the rotor.
  • a lock for example of a motor vehicle door, comprises a stator 10 in which is rotatably mounted a rotor 12; the stator 10 is pierced with a cylindrical bore of revolution 11 opening on one side to the outside and extended on the other side by a cylindrical bore of revolution 13 of smaller diameter than the bore 11, so that between the two bores is defined a transverse annular bearing 14.
  • the rotor 12 includes a first cylindrical portion of revolution 15 whose outside diameter is equal, apart from the mounting clearance, to that of the bore 11 of the stator 10, and a second cylindrical portion of revolution 16 whose outside diameter is equal, apart from the mounting clearance, that of the bore 13 of the stator 10.
  • the two portions 15 and 16 are connected by a transverse annular bearing 17.
  • the length of the first portion 15 is equal to the length of the bore 11, while the length of the second portion 16 is greater than the length of the bore 13.
  • the transverse end faces 18 and 19 which respectively line the bore 11 of the stator 10 and the first portion 15 of the rotor 12 are in the same plane perpendicular to the common axis of the stator 10 and the rotor 12; in this position, the transverse bearing surfaces 14 and 17 cooperate in abutment and the portion 16 of the rotor protrudes axially from the stator 10; on the portion 16 of the rotor 12 which protrudes is mounted a thresher 20 adapted to actuate means for closing the door, not shown, in the usual way, the thresher 20 being integral in rotation with the rotor 12 by means, for example, of flats complementary, not shown, carried respectively by the portion 16 of the rotor 12 and by the housing 21 of the threshing machine 20 by which it is mounted on the portion 16 of the rot
  • the rotor 12 is axially traversed by a housing 25 intended to receive a key; locking elements 26 are provided for locking the rotor 12 relative to the stator 10 when the key is not present in the housing 25, and making the rotor 12 free to rotate relative to the stator 10 when the key is present in the housing 25; the locking elements 26 consist of pins arranged arranged in pairs 27A, 27B in radial passages formed transversely in the thickness of the stator 10 and the rotor 12 which they pass completely through opening into the housing 25; springs 28, bearing on added pads 29 closing said radial passages at the outer periphery of the stator 10, urge the pins towards the housing 25; the pins are of different lengths; the key carries indentations of different depths adapted to the pins, so that when the key is in the housing 25 the indentations of the key cooperate with the pins 27B so that the upper end, relative to the figure, of all pins 27B are all flush with the cylindrical portion 15 of the rotor 12, which can
  • a protective element 30 having the same section as that of the housing 25, apart from the mounting clearance, this section being for example of rectangular shape; the protective element 30 has a closing face 31, spherical concave transverse, limiting on one side an axial space 32 receiving a spring 33 bearing, on one side, on the wall of the face 31 and, on the other side, on a plug 34 closing the end of the key housing 25.
  • An entry plate 35 surrounds the closing face 31 and covers the transverse end face 19 of the rotor 12 and, partially, the transverse end face 18 of the stator 10 which is extended by an annular face 36 axially offset towards the exterior and defining a housing 37 for the plate 35 secured to the rotor 15, by means not shown.
  • the external face 38 of the plate 35 is spherical concave and extends the face 31 of the protective element 30, when the protective element 30 is in the position shown in FIG. 1 for which the protective element 30 closes the inlet of the key housing 25; in this position, under the action of the spring 33, the protective element 30 is in abutment thanks to a lug which it carries, not shown, and which cooperates with a stop provided in the housing 25, also not shown.
  • the housing 25 is protected against the entry of water and dust; the life of the lock is thereby increased; in addition, the protective element 30 and the plate 35 can be made of a material resistant to a drilling operation with a view to break-in.
  • the key When the key is inserted into the housing 25, the key pushes the protective element 30 which slides in the housing 25, compressing the spring 33. When the key is removed, the protective element 30 automatically returns, under the action of the spring 33, in its protective position.
  • FIG. 2 represents, in section, a lock 100 comprising a stator 101 of circular section with axis 102 having a coaxial bore 103 in which a rotor 104 is rotatably mounted; the rotor 104 is crossed by a cylindrical axial bore 105, the non-circular section of which is, in a sector 106, an arc of a circle centered on the axis 102 of the rotor 104 and extending over less than 360 °, and, according to another sector 107, of any shape, in any case different from an arc of a circle along the circle of sector 106.
  • the bore 105 receives a cylindrical key 108 whose outer casing 109 has the shape complementary to the bore 105, apart from the assembly clearance, said envelope 109 being hollowed out with a groove 110 extending circumferentially at the periphery of the key 108 around the axis 102 and internally limited by a cylindrical bottom 111 of section circular whose axis 112 is distinct from the axis 102 of the rotor 104 and the stator 101.
  • the lock 100 is provided with locking elements 127 each consisting of a pair of pins 114, 121.
  • the wall of the stator 101 is provided with radial cylindrical bores 113 in which are slidably mounted pins 114 of cup-shaped stator having a bottom 115; a spring 116 is supported, on the one hand, on the bottom 115 and, on the other hand, on a plug 117 closing the bore 113 at the periphery of the stator 101, the spring 116 urging the pins 114 towards the axis 102 of the stator.
  • the wall of the rotor 104 is also provided with radial cylindrical bores 118 having a first part 119 of section equal to the section of the bores 114 of the stator 101 and opening at the periphery of the rotor 104 towards the stator 101, and a second part 120, of same axis as the first part 119 but of smaller cross section, and opening into the bore 105 of the rotor 104.
  • sliding pins 121 of rotor of cylindrical shape comprising a head 122 sliding in the part 119 of the bore 118 and a tail 123 sliding in the part 120 of the bore 118;
  • the face 124 of the head 122 is cylindrical and its cross section is an arc of a circle whose radius is equal to that of the bore 103 of the stator;
  • the tail 123 ends with a conical end 125 which is adapted to cooperate with the bottom 111 of the groove 110 of the key 108 when the latter is present in the bore 105 of the rotor 104.
  • the lengths of the pins 121 of the rotor are such that, their conical part being in contact with the bottom 111 of the groove 110, by virtue of the springs 116, in a position such as that which is represented in FIG. 2, all the faces 124 of the pins 121 are in line with the radial gap existing by construction between the stator 101 and the rotor 104: from then on, the rotor 104 can rotate in the stator 101; this rotation is obtained by simple rotation of the key, the key and the rotor 104 being integral in rotation thanks to the complementary sectors 107 carried by the key and the rotor 104, sectors which are not of revolution around the axis 102.
  • the springs 116 urge the stator 114 and rotor pins 121 towards the axis 102 until the heads 122 come into abutment against the transverse face 126 separating the parts 119 and 120 of the holes 118 of the rotor 104. Consequently, the stator pins 114 extend partly in the holes 113 of the stator and partly in the holes 118 of the rotor, which stops the rotor 104 from rotating relative to the stator 101.
  • Figure 3 relates to a variant lock according to the invention, allowing the use of a symmetrical key.
  • the rotor 204 is crossed by a cylindrical axial bore 205 whose section is formed of two circular sectors 206A, 206B belonging to the same circle centered on the axis 202 of the rotor 204, which is also the axis of the stator 201 in which the rotor 204 is mounted, and two flats 207A, 207B, the two circular sectors 206A, 206B being symmetrical with respect to a plane of symmetry passing through the axis 202 and of which we see the trace 230 in the plane of Figure 3, the two dishes 207A, 207B being perpendicular to the trace 230 and facing each other.
  • the bore 205 receives a cylindrical key 208 whose outer casing 209 has the shape complementary to the bore 205, apart from the mounting clearance, said casing 209 being hollowed out by a groove 210 extending circumferentially around the axis 202 and internally limited by a cylindrical bottom 211 whose section is an ellipse having its center on the axis 202 and a major axis 231 which is also an axis of symmetry for the ellipse 211.
  • stator 201 and the rotor 204 are provided with radial holes, respectively 213 and 218, in which the stator pins 214 and rotor pins 221 are slidably mounted, biased towards the axis 202 by springs 216 which are supported on plugs 217, and constituting locking elements 227.
  • the length of the rotor pins 221, the inclination of the major axis 231 of the ellipse 211, the geometrical characteristics of the ellipse 211, in particular the length of its major axis and that of its minor axis, are chosen such that in a position, which is that of FIG. 3, the rotor pins 221 are all in line with the rotor-stator gap, to allow, when the key is present, the rotor 204 to be able to turn in the stator 201.
  • the pins are in one and the same plane, and three in number; of course, several plans can be provided, each containing two or more locking elements, this increasing the number of possible combinations, therefore of key variants.

Landscapes

  • Lock And Its Accessories (AREA)
EP93402354A 1992-09-29 1993-09-27 Zylinderschloss mit einem Rotor und einem Stator, und entsprechendem Schlüssel Expired - Lifetime EP0591036B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9211579 1992-09-29
FR9211579A FR2696206B1 (fr) 1992-09-29 1992-09-29 Verrou cylindrique muni d'un rotor et d'un stator et clé pour un tel verrou.

Publications (2)

Publication Number Publication Date
EP0591036A1 true EP0591036A1 (de) 1994-04-06
EP0591036B1 EP0591036B1 (de) 1997-08-27

Family

ID=9433993

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93402354A Expired - Lifetime EP0591036B1 (de) 1992-09-29 1993-09-27 Zylinderschloss mit einem Rotor und einem Stator, und entsprechendem Schlüssel

Country Status (4)

Country Link
EP (1) EP0591036B1 (de)
DE (1) DE69313394T2 (de)
ES (1) ES2108842T3 (de)
FR (1) FR2696206B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021003962U1 (de) 2021-04-16 2022-02-21 Marquardt Gmbh Lenkverriegelung für ein Kraftfahrzeug

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2093925A (en) * 1936-05-18 1937-09-21 New Haven Vibrator Company Inc Cylinder lock
FR1201967A (fr) * 1957-09-03 1960-01-07 Mécanisme de verrouillage
CH390718A (de) * 1960-01-13 1965-04-15 Doppler Wilhelm Sicherheitsschloss mit Schlüssel
FR2450929A1 (fr) * 1979-03-08 1980-10-03 Talleres Escoriaza Sa Barillet pour serrure a grande securite et sa cle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2093925A (en) * 1936-05-18 1937-09-21 New Haven Vibrator Company Inc Cylinder lock
FR1201967A (fr) * 1957-09-03 1960-01-07 Mécanisme de verrouillage
CH390718A (de) * 1960-01-13 1965-04-15 Doppler Wilhelm Sicherheitsschloss mit Schlüssel
FR2450929A1 (fr) * 1979-03-08 1980-10-03 Talleres Escoriaza Sa Barillet pour serrure a grande securite et sa cle

Also Published As

Publication number Publication date
ES2108842T3 (es) 1998-01-01
DE69313394D1 (de) 1997-10-02
DE69313394T2 (de) 1998-03-05
EP0591036B1 (de) 1997-08-27
FR2696206B1 (fr) 1994-12-09
FR2696206A1 (fr) 1994-04-01

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