Automatic door latching system

Details Automatic door latching system Automatic door latching system

1988-12-21

1990-11-06

Nicholson, Eric K.

Closure fasteners

Bolts

Swinging

292216, 292DIG23, E05C 1310

Patent

active

049680749

ABSTRACT:
Herein disclosed is an automatic door latching system for a motor vehicle having a vehicle body and a door. The automatic door latching system comprises a door lock device carried by the door to move therewith, the lock device having a latch plate which is pivotal to assume a full-open position wherein the latch plate releases a striker secured to the vehicle body, a half-latch position wherein the latch plate is halfly engaged with the striker and a full-latch position wherein the latch plate is fully engaged with the striker; a driver lever integrally connected to the latch plate to move therewith; a closing lever which is pivotal to assume a rest position and an operative position, the closing lever pushing the driven lever in a direction to cause the latch plate to pivot from the half-latch position to the full-latch position when pivoting from the rest position toward the operative position; an electric drive means mounted to the door to drive the closing lever when energized; a half-latch detecting means for detecting the half-latch condition of the latch plate; a full-latch detecting means for detecting the full-latch condition of the latch plate; a rest position detecting means for detecting the closing lever being at the rest position; and a first control unit mounted to the door for controlling operation of said drive means in accordance with information signals issued by said half-latch, full-latch and rest position detecting means.

REFERENCES:
patent: 3572065 (1971-03-01), Peters
patent: 3572066 (1971-03-01), Peters
patent: 3989287 (1976-11-01), Sheesley
patent: 4468941 (1984-09-01), Bascou
patent: 4569544 (1986-02-01), Escaravage
patent: 4762348 (1988-08-01), Matsumoto
patent: 4763936 (1988-08-01), Rogakos et al.
patent: 4815775 (1989-03-01), Mertin et al.

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