EP0148875A1 - Detecteur pour verrou de portiere de vehicule - Google Patents

Detecteur pour verrou de portiere de vehicule

Info

Publication number
EP0148875A1
EP0148875A1 EP19840902464 EP84902464A EP0148875A1 EP 0148875 A1 EP0148875 A1 EP 0148875A1 EP 19840902464 EP19840902464 EP 19840902464 EP 84902464 A EP84902464 A EP 84902464A EP 0148875 A1 EP0148875 A1 EP 0148875A1
Authority
EP
European Patent Office
Prior art keywords
latch
contacts
bolt
pin
sleeve
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.)
Withdrawn
Application number
EP19840902464
Other languages
German (de)
English (en)
Inventor
Philip Swingewood Jeavons
Francis Leon Vilain
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.)
ArvinMeritor Light Vehicle Systems UK Ltd
Original Assignee
Wilmot Breeden Ltd
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 Wilmot Breeden Ltd filed Critical Wilmot Breeden Ltd
Publication of EP0148875A1 publication Critical patent/EP0148875A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators

Definitions

  • This invention relates to door latches for motor vehicles and is concerned with the provision of sensor means for providing an Indication or signal to the effect that the latch is in its fully latched condition.
  • a microswitch is mounted on the back plate of the latch and the latch bolt is provided with a small projection positioned to engage the contact of the microswitch when the latch is in its fully closed position, the arrangement being such that, if the vehicle ignition switch is actuated when the door latch is not fully closed and thus the microswitch is not operated, a warning light is actuated on the yehicle dashboard.
  • a vehicle latch which has a generally U-shaped pivotally mounted latch bolt arranged for engagement with a keeper, wherein the bolt is provided with a projecting pin on which an electrically conductive sleeve is rotatably mounted, the bolt being movable between a position in which the sleeve is located between a pair of contacts to complete an electrical circuit and a position in which the sleeve is spaced from said contacts and the circuit is not completed.
  • the arrangement is preferably such that the circuit is not completed when the latch bolt is in its fully latched position whereas, when the latch bolt is in its open position or in its first safety or secondary latched position, the circuit is completed.
  • the electrical circuit may include an internal courtesy light with the arrangement such that, when any one or more of the doors of the vehicle is not fully closed, the courtesy light is actuated.
  • the electrical circuit may alternatively or additionally include an indicator light specific to each latch such that the light appropriate to a particular latch is actuated if that latch is not fully closed.
  • the latch preferably includes two parallel metal plates between which a moulded plastics housing is located, the U-shaped bolt being mounted on one of a pair of pivot pins extending between the two plates.
  • a pawl for holding the bolt in its fully latched position in engagement with the striker is mounted on the other of the two pivot pins.
  • the moulded plastics housing preferably includes formations for locating the two contacts, the contacts being mounted on a printed circuit board so as to project therefrom with one of the two contacts arranged to pass through a slot in the plastics housing and the other contact having a U-shaped portion which sits in a recess in a wall of the plastics moulding.
  • the projecting pin is preferably a moulded plastics pin which extends from a lobe of the U-shaped latch bolt, and the sleeve is freely rotatable on the pin so that, as the sleeve passes between the two contacts, it will rotate on the pin to generate a cleaning action and ensure that no one part of the sleeve becomes worn.
  • the two contacts preferably have curvate portions between which the sleeye is arranged to pass so as to effect resilient deflection of the contacts.
  • the latch includes a cover plate 10 and a back plate 11 between which a moulded plastics housing 12 is located.
  • Two pivot pins 13 and 14 extend between the two plates 10 and 11.
  • the first pivot pin 13 provides a mounting for a generally U-shaped bolt 15, the pivot mounting including a flanged plastic bush and an elastomeric block which fits round the pin 13 to provide a vibration and sound damping action on closure of the latch.
  • the second pivot pin 14 provides a pivot mounting for a pawl 16 which engages the bolt 15 to hold it in its fully latched condition or in its partially latched condition, the latch components being shown in the drawing in the positions which they occupy when the bolt 15 is in its fully latched position in engagement with a striker (not shown).
  • the latch also includes a number of levers as illustrated to effect the required locking and unlocking and release functions of the latch.
  • the U-shaped bolt 15 has two arms and is mounted with the pivot pin 13 passing through the centre of the base of the U.
  • a lobe 17 projects from the base of the U on the side of the pivot pin 13 remote from the two arms of the U, and this lobe 17 is formed with an aperture in which is fitted a moulded plastics pin 18.
  • the pin 18 carries a phosphor bronze sleeve 19 which is freely rotatable on the pin 18. As the latch bolt 15 is pivoted about the axis of the pin 13 during movement of the bolt 15 into its first safety position and then into its fully open position, the sleeve 19 will pass between a pair of metal contacts 20 and 21 mounted on a printed circuit board 22 slotted into a receiving channel in the moulded plastics housing 12.
  • the upper contact 20 has a main curvate portion and a bent end portion 23 which is passed through a slot in the plastics housing 12 in such manner as to locate the contact 20 while permitting limited resilient deflection thereof when engaged by the sleeve 19.
  • the lower contact 21 has an intermediate portion 24 of generally U-shape which is located within a recess in the plastics housing 12, with the arrangement again such as to permit limited resilient deflection of the contact 21 when engaged by the sleeve 19.
  • a diode 25 is mounted on the printed circuit board 22 to prevent feed-back between the different parts of the overall circuit which includes a courtesy light, operated if any one of the vehicle doors is not fully closed, and a plurality of warning lights mounted in a display panel on the vehicle dashboard. A specific warning light is operated to indicate which vehicle door is not fully closed should one or more of the doors not be fully closed when the vehicle ignition switch is actuated.
  • the electrical switch constituted by the pair of contacts 20 and 21 and the sleeve 19 is illustrated in the circuit drawing as 26 and, when closed, provides an electrical connection between a line 27 and a pair of lines 28 and 29.
  • the sleeve 19 is spaced from the contacts

Landscapes

  • Lock And Its Accessories (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

Un verrou de portière de véhicule comprend une paire de contacts électriques (20, 21) permettant d'allumer, par exemple, un éclairage de courtoisie et/ou des lampes-témoins pour signaler qu'une portière n'est pas bien fermée. Un boulon monté de manière pivotante (15) sur le verrou permet de monter un manchon métallique librement rotatif (19) sur un gougeon (18), le manchon passant entre les contacts pour compléter le circuit et sa rotation ayant une action de frottement assurant un bon contact. De préférence, le circuit est complété uniquement lorsque le boulon ne se trouve pas dans la position entièrement verrouillée où la portière est correctement fermée.
EP19840902464 1983-06-23 1984-06-14 Detecteur pour verrou de portiere de vehicule Withdrawn EP0148875A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08317060A GB2142077B (en) 1983-06-23 1983-06-23 Sensor for vehicle door latch
GB8317060 1983-06-23

Publications (1)

Publication Number Publication Date
EP0148875A1 true EP0148875A1 (fr) 1985-07-24

Family

ID=10544676

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19840902464 Withdrawn EP0148875A1 (fr) 1983-06-23 1984-06-14 Detecteur pour verrou de portiere de vehicule
EP84304086A Withdrawn EP0131398A1 (fr) 1983-06-23 1984-06-18 Indicateur pour porte de véhicule automobile

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP84304086A Withdrawn EP0131398A1 (fr) 1983-06-23 1984-06-18 Indicateur pour porte de véhicule automobile

Country Status (3)

Country Link
EP (2) EP0148875A1 (fr)
GB (1) GB2142077B (fr)
WO (1) WO1985000192A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8507101D0 (en) * 1985-03-19 1985-04-24 Politz R E Locking apparatus
GB2184005B (en) * 1985-09-18 1990-05-23 Goodall Melvyn John Improved vehicle seat
DE3740757A1 (de) * 1987-12-02 1989-06-22 Kiekert Gmbh Co Kg Kraftfahrzeug-tuerverschluss mit schliesskeil und schloss
GB2233703B (en) * 1989-04-27 1993-06-09 Mitsui Mining & Smelting Co Switch box of lock device for vehicle
FR2646384B1 (fr) * 1989-04-27 1991-08-16 Peugeot
US5062670A (en) * 1990-10-23 1991-11-05 Emanuel Grossman Lock monitor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638516A (en) * 1951-02-20 1953-05-12 Chrysler Corp Vehicle switching device
US3281564A (en) * 1965-10-18 1966-10-25 Charles F Maxted Chain link electric switch
FR2388115A1 (fr) * 1977-04-21 1978-11-17 Kiekert Soehne Arn Serrure de porte pour vehicule automobile avec assujettissement a palpage
CH620014A5 (fr) * 1978-04-13 1980-10-31 Saseb Ag

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8500192A1 *

Also Published As

Publication number Publication date
GB2142077B (en) 1986-10-01
GB8317060D0 (en) 1983-07-27
GB2142077A (en) 1985-01-09
EP0131398A1 (fr) 1985-01-16
WO1985000192A1 (fr) 1985-01-17

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE FR LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19850529

RIN1 Information on inventor provided before grant (corrected)

Inventor name: VILAIN, FRANCIS, LEON

Inventor name: JEAVONS, PHILIP, SWINGEWOOD