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Automotive slide door operating system with half-latch and full-latch detecting device

  • US 5,155,937 A
  • Filed: 02/22/1991
  • Issued: 10/20/1992
  • Est. Priority Date: 02/23/1990
  • Status: Expired due to Term
First Claim
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1. A slide door operating system for use in a motor vehicle having a vehicle body and a slide door, comprising:

  • a door lock device mounted on said door and including a pivotal latch plate and a pivotal latch pawl which can latch said latch plate, said latch plate having a release position, a half-latch position and a full-latch position, said release position inducing a condition in which said door is released from the vehicle body, said half-latch position including a condition wherein said door is halfly latched by said vehicle body and said full-latch position inducing a condition wherein said door is fully latched by said vehicle body;

    an open lever secured to said latch pawl to pivot therewith; and

    a half-latch and full-latch detecting device including;

    a power feeding start position detecting switch which becomes operational when said door under closing movement comes to a given position just before the half-latch position of the door at which half-latch position said latch plate assumes said half-latch position;

    a latch plate position detecting switch having a probe which contacts said open lever when said open lever is pivotally moved;

    counter means electrically connected to both said power feeding start position detecting switch and said latch plate position detecting switch, said counter means counting the number of times by which said open lever contacts said probe of said latch plate position detecting switch after said power feeding start position detecting switch is operated; and

    judging means for judging that the latch plate assumes said half-latch position when said counter means counts the number "one" and judging that the latch plate assumes said full-latch position when said counter means counts the number "two".

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