EP1111166A1 - Schlüsseleinheit für eine Fahrzeugtür - Google Patents
Schlüsseleinheit für eine Fahrzeugtür Download PDFInfo
- Publication number
- EP1111166A1 EP1111166A1 EP00128022A EP00128022A EP1111166A1 EP 1111166 A1 EP1111166 A1 EP 1111166A1 EP 00128022 A EP00128022 A EP 00128022A EP 00128022 A EP00128022 A EP 00128022A EP 1111166 A1 EP1111166 A1 EP 1111166A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- casing
- door
- key
- lock
- key unit
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/36—Locks for passenger or like doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/10—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle
- E05B13/105—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle the handle being a pushbutton
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/44—Burglar prevention, e.g. protecting against opening by unauthorised tools
-
- 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
Definitions
- the present innovation relates to a key unit for a door of a motor vehicle.
- the door of a motor vehicle generally comprises a lower box-shaped portion formed by an outer panel and an inner panel, carrying a lock and a key unit connected for operation to the lock.
- the key unit comprises a casing shaped essentially in the form of a cylindrical cup and fixed to the outer panel of the door, and a key cylinder engaged in an axially fixed position within the casing and angularly movable with respect to the casing by means of an operating key to disable or enable the opening of the lock from the outside of the motor vehicle (by activating or disengaging the security function respectively).
- the key cylinder carries a plurality of engagement elements, which are normally pushed by corresponding springs to a position of connection to a radial groove of the casing, making the key cylinder and the casing angularly integral with each other, and are selectively releasable from the aforesaid groove as a result of the interaction with the outer profile of the operating key.
- the casing is connected prismatically to the inside of a shaped through hole which is formed in the outer panel of the door and has a D-shaped profile: in other words, it consists of a portion in the form of an arc of a circle whose opposite ends are joined by a straight portion.
- the casing is also provided with an annular end flange which, when in use, is positioned so that it bears on the outer panel of the door in the vicinity of the hole, and can be fixed axially by means of a U-clip fitted on the lateral wall of the casing and interacting with the outer panel by bearing on it on the opposite side from the flange.
- Key units of the type described are relatively vulnerable to forcing. This is because it is normally possible to use a screwdriver or an elongated tool to force the key cylinder to rotate rigidly together with the casing about its axis, by deforming or damaging the sheet metal, usually thin, which forms the edge of the shaped hole of the outer door panel, thus disengaging the security function of the lock.
- the object of the present innovation is to provide a key unit for a door of a motor vehicle which is not subject to the problem specified above which is associated with the known key units.
- a key unit for a door of a motor vehicle comprising an external cylindrical casing and a key cylinder which is housed inside the said casing, which is capable of being connected for operation to a lock associated with the said door and is angularly movable with respect to the said casing by means of an operating key to disable/enable the opening of the said lock from the outside of the motor vehicle, fastening means being provided for axially and angularly fixing the said casing to the said door, characterized in that the said fastening means comprise at least one extension projecting radially outwards from the said casing and carrying fixing means for connecting the casing rigidly to the said door.
- the present innovation also relates to a door for a motor vehicle, provided with a lock and a key unit comprising, in turn, an external cylindrical casing and a key cylinder, housed within the said casing, connected to the said lock for operation and angularly movable with respect to the casing by means of an operating key to disable/enable the opening of the said lock from the outside of the motor vehicle, fastening means being provided to fix the said casing of the said key axially and angularly to the said door, characterized in that the said fastening means comprise at least one extension projecting radially outwards from the said casing and means for rigidly fixing the said extension to the said door.
- the number 1 indicates as a whole a key unit according to the present innovation carried by a door 2 of a motor vehicle (not illustrated) and connected for operation to a lock 3 (of a known type, illustrated schematically in broken lines in Figure 1) associated with the door 2.
- the door 2 comprises, in a known way, a lower box-shaped portion 4, delimited by an outer panel 5 and an inner panel 6 forming between them a compartment 7 in which the key unit 1 and the lock 3 can be housed.
- the inner panel 6 has an aperture (not shown in the attached figures) for the introduction of the key unit 1 and the lock 3 into the compartment 7.
- the inner panel 6 has an essentially C-shaped profile and comprises a main portion 8, which is essentially flat, and opposing end portions, only one of which is visible in Figure 1 where it is indicated by 9, projecting orthogonally from corresponding vertical side edges of the main portion 8 and joined along corresponding terminal side angles to the outer panel 5.
- the lock 3 is formed essentially by a casing 11, located inside the compartment 7 of the door 2 and fixed to the end portion 9 of the inner panel 6, and an opening and closing unit 12 (of a known type, only partially visible in Figure 1), housed for the most part inside the casing 11.
- the opening and closing unit 12 comprises, in a known way, a closing mechanism (not illustrated) capable of interacting with a stop integral with an upright (also not illustrated) of the door 2; a lever (not illustrated) for opening the lock 3 from the inside, connectable to an inner handle (also not illustrated) of the door 2; a lever 13 for opening the lock 3 from the outside, connected for operation to the key unit 1; and a security lever 14 for disabling and enabling the opening of the lock 3 from the outside (activating and disengaging the security function respectively) which is also connected for operation to the key unit 1.
- a closing mechanism capable of interacting with a stop integral with an upright (also not illustrated) of the door 2
- a lever for opening the lock 3 from the inside, connectable to an inner handle (also not illustrated) of the door 2
- a lever 13 for opening the lock 3 from the outside, connected for operation to the key unit 1
- a security lever 14 for disabling and enabling the opening of the lock 3 from the outside (activating and disengaging the security
- the key unit 1 comprises a casing 15 in the form of a cylindrical cup, mounted on the door 2 with its axis A orthogonal to the outer and inner panels 5, 6, and an externally cylindrical key block 16, housed coaxially inside the casing 15 in such a way as to be movable with respect to the latter, connected for operation to the opening and security levers 13, 14 to cause their operation, and projecting partially from the casing 15 with one of its end portions when in use, engaging in a through hole 17 (not visible in the attached figures) formed in the outer panel 5 of the door 2.
- the casing 15 comprises a discoid end wall 20 and a cylindrical lateral wall 21 projecting from a perimetric edge of the end wall 20.
- the casing 15, when in use is housed completely within the compartment 7 of the door 2, and carries, at the opposite end to the end wall 20, an annular end flange 22 which, when in use, can be positioned to bear against the outer panel 5 of the door 2.
- the casing 15 is provided with an integral fixing element 23 of essentially parallelepipedal shape, extending radially outwards from the lateral wall 21 and capable of being connected rigidly to the end portion 9 of the inner panel 6 by means of a screw 24.
- the screw 24 engages in a blind threaded hole 25 formed in the fixing element 23 and having an axis B orthogonal to the axis A, and in a through hole 26, also having the axis B, made in the end portion 9 of the inner panel 6 of the door 2.
- the key block 16 comprises a push-in element 27 in the form of a cylindrical cup, engaging the casing 15 in an axially movable way and in an angularly fixed position, and connected for operation to the opening lever 13 of the lock 3, and a key cylinder 28 engaging in an axially fixed position the push-in element 27, forming a seat 29 for engaging an operating key (not illustrated) and connected for operation, when in use, to the security lever 14 of the lock 3.
- the key cylinder 28 is connected angularly to the push-in element 27 in a selectively releasable way, and can be released angularly from the push-in element 27 as a result of the interaction with the operating key.
- the key cylinder 28 carries a plurality of engagement elements 30 (which are known and are only partially illustrated in Figure 2), which are normally pushed by corresponding springs (not illustrated) into a position of connection to a radial groove 31 of the push-in element 27, thus making the key cylinder 28 and the push-in element 27 angularly integral with each other ( Figure 2), and are selectively releasable from the groove 31 by the effect of the interaction with the outer profile of the operating key.
- the push-in element 27 is axially loaded by a cylindrical coil spring 32 housed inside the casing 15 and interposed between the end wall 20 and an end wall of the push-in element 27.
- the axial extraction of the push-in element 27 from the casing 15 is prevented by means of a cylindrical pin 33 projecting radially inward from the lateral wall 21 of the casing 15 and engaging in a slot 34 formed in a lateral wall of the push-in element 27 and elongated in a direction parallel to the axis A.
- the push-in element 27 also has an outer radial projection 35, which engages slidably in an elongate slot 36 formed in the lateral wall 21 of- the casing 15 and extending in a direction parallel to the axis A, and is capable of interacting with, and imparting a force to, a lever mechanism 37 for operating the opening lever 13.
- the lever mechanism 37 ( Figure 1) comprises a lever 38 having an intermediate portion hinged by means of a pivot pin 39 on an appendage of the casing 11, and two arms 40, 41 extending radially from the intermediate portion; one of these arms (40) is connected by a link 42 to an end portion of the opening lever 13, while the other arm (41) is L-shaped and is moved by the pressure of the projection 35.
- the push-in element 27 is movable axially against the action of the spring 32 from the protruding rest position to a retracted position in which it operates the opening lever 13 by means of the lever mechanism 37.
- the key cylinder 28 also has an external radial projection 43, which is engaged slidably in a first circumferential slot 44 formed in the lateral wall of the push-in element 27, and an essentially T-shaped second slot 45, formed in the lateral wall 21 of the casing 15 and having a first portion 46 (Figure 2) in the form of an arc of a circle, superimposed on the slot 44 in the protruding rest position of the push-in element 27, and a second rectilinear portion 47 ( Figure 1) parallel to the axis A.
- the projection 43 is connected by a link 48 to an end portion of the security lever 14, in such a way that a rotation of the key cylinder 28, by means of the key, with respect to the push-in element 27 about the axis A corresponds to an operation of the safety lever 14.
- the security function is activated by introducing the operating key fully into the seat 29 of the key cylinder 28, in such a way as to disengage the engagement elements 30 from the groove 31 of the push-in element 27, and rotating the key cylinder 28, by means of the key, about the axis A.
- the angular movement of the key cylinder 28 is then transmitted, by means of the projection 43 and the link 48, to the security lever 14, which rotates about its axis of pivoting to the casing 11, from a configuration in which the opening of the lock 3 by the operation of the push-in element 27 is enabled to a configuration in which the aforesaid opening is disabled, and in which the operation of the push-in element 27 produces an idle travel of the opening lever 13.
- the opening of the lock 3 from the outside is carried out by pressing the key block 16 towards the outer panel 5 of the door 2 against the action of the spring 32.
- the push-in element 27, together with the key cylinder 28, moves axially from the protruding position to the retracted position, and simultaneously exerts a force, by means of its projection 35, on the arm 40 of the lever 38.
- the aforesaid force causes the lever 38 to rotate about the pin 39 and consequently causes an axial movement of the link 42, which causes the rotation of the opening lever 13 about its axis of pivoting to the casing 11 and, if the security function is disengaged, the opening of the lock 3.
- the rigid fastening of the casing 15 of the key unit 1 to the end portion 9 of the inner panel 6 of the door 2 provided by the fixing element 23 prevents the forcing of the lock 3 by a rigid rotation of the key unit 1 about itself, which might otherwise be obtained by forcing the key cylinder 28 to rotate by means of an elongated tool inserted into the seat 29.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Seal Device For Vehicle (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO990224 IT247961Y1 (it) | 1999-12-21 | 1999-12-21 | Gruppo chiave per una portiera di un autoveicolo. |
ITTO990224U | 1999-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1111166A1 true EP1111166A1 (de) | 2001-06-27 |
EP1111166B1 EP1111166B1 (de) | 2004-11-24 |
Family
ID=11417664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000128022 Expired - Lifetime EP1111166B1 (de) | 1999-12-21 | 2000-12-20 | Schlüsseleinheit für eine Fahrzeugtür |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1111166B1 (de) |
BR (1) | BR8002889Y1 (de) |
DE (1) | DE60016150T2 (de) |
ES (1) | ES2228396T3 (de) |
IT (1) | IT247961Y1 (de) |
PL (1) | PL344710A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1286011A1 (de) * | 2001-08-09 | 2003-02-26 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Ein Verriegelungsverbindungsmechanimus |
EP1312735A2 (de) * | 2001-11-15 | 2003-05-21 | Plastal S.p.A. | Vorrichtung zur Verriegelung bzw. Entriegelung des Laderaums eines Kraftfahrzeuges |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE468260C (de) * | 1928-11-09 | Zeiss Ikon A G Goerz Werk | Sicherheitsschloss mit Schliesszylinder | |
US2040258A (en) * | 1934-08-27 | 1936-05-12 | Briggs & Stratton Corp | Mounting means for automobile doorlocks |
US3733865A (en) * | 1972-02-11 | 1973-05-22 | A Vorob | Protective components for locks |
US4158299A (en) * | 1977-05-07 | 1979-06-19 | Daimler-Benz Aktiengesellschaft | Door lock for motor vehicles |
DE8609089U1 (de) * | 1986-04-04 | 1986-07-24 | Paul Deppe & Co, 3000 Hannover | Vorrichtung zum Befestigen eines Schlosses |
FR2755172A1 (fr) * | 1996-10-25 | 1998-04-30 | Nettlefold Jonathan | Serrure a paillettes a securite renforcee |
-
1999
- 1999-12-21 IT ITTO990224 patent/IT247961Y1/it active
-
2000
- 2000-12-20 EP EP20000128022 patent/EP1111166B1/de not_active Expired - Lifetime
- 2000-12-20 ES ES00128022T patent/ES2228396T3/es not_active Expired - Lifetime
- 2000-12-20 BR BR8002889U patent/BR8002889Y1/pt not_active IP Right Cessation
- 2000-12-20 PL PL34471000A patent/PL344710A1/xx not_active Application Discontinuation
- 2000-12-20 DE DE2000616150 patent/DE60016150T2/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE468260C (de) * | 1928-11-09 | Zeiss Ikon A G Goerz Werk | Sicherheitsschloss mit Schliesszylinder | |
US2040258A (en) * | 1934-08-27 | 1936-05-12 | Briggs & Stratton Corp | Mounting means for automobile doorlocks |
US3733865A (en) * | 1972-02-11 | 1973-05-22 | A Vorob | Protective components for locks |
US4158299A (en) * | 1977-05-07 | 1979-06-19 | Daimler-Benz Aktiengesellschaft | Door lock for motor vehicles |
DE8609089U1 (de) * | 1986-04-04 | 1986-07-24 | Paul Deppe & Co, 3000 Hannover | Vorrichtung zum Befestigen eines Schlosses |
FR2755172A1 (fr) * | 1996-10-25 | 1998-04-30 | Nettlefold Jonathan | Serrure a paillettes a securite renforcee |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1286011A1 (de) * | 2001-08-09 | 2003-02-26 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Ein Verriegelungsverbindungsmechanimus |
EP1312735A2 (de) * | 2001-11-15 | 2003-05-21 | Plastal S.p.A. | Vorrichtung zur Verriegelung bzw. Entriegelung des Laderaums eines Kraftfahrzeuges |
EP1312735A3 (de) * | 2001-11-15 | 2004-12-22 | Plastal S.p.A. | Vorrichtung zur Verriegelung bzw. Entriegelung des Laderaums eines Kraftfahrzeuges |
Also Published As
Publication number | Publication date |
---|---|
BR8002889Y1 (pt) | 2009-01-13 |
ITTO990224V0 (it) | 1999-12-21 |
EP1111166B1 (de) | 2004-11-24 |
PL344710A1 (en) | 2001-07-02 |
DE60016150D1 (de) | 2004-12-30 |
DE60016150T2 (de) | 2005-12-01 |
BR8002889U (pt) | 2001-07-31 |
ES2228396T3 (es) | 2005-04-16 |
IT247961Y1 (it) | 2002-09-20 |
ITTO990224U1 (it) | 2001-06-21 |
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