US 5,222,775 A · Power operated latch device for automotive back door

Abstract

A power operated latch device for use in a hatch back type motor vehicle or the like. The device includes a striker secured to the hatch back door and a latch proper mounted to the vehicle body. The latch proper includes a base structure having a striker guide slot into which the striker is inserted when the door comes close to a door opening of the vehicle body, a pivotal structure connected to the base structure and pivotal between upper and lower positions, a latch plate carried by the pivotal structure and engageable with the striker, an electric motor securely connected to the base structure, the electric motor being arranged to lie parallel with respect to the base structure, a first mechanism for forcibly pivoting the pivotal structure between the upper and lower positions with the aid of the electric motor; and a second mechanism for forcibly driving the latch plate in a direction to disengage the striker from the latch plate with the aid of the electric motor.

Claims15

Dependent claims

A power operated latch device for use with mutually movable first and second structures, said latch device comprising:

a striker secured to said second structure;
a latch proper mounted to said first structure, said latch proper including:
a base structure having a striker guide slot into which said striker is inserted when said first and second structures come close to each other;
a pivotal structure pivotally connected to said base structure and pivotal between upper and lower positions relative to said base structure;
a latch plate pivotally carried by said pivotal structure and engageable with said striker;
an electric motor securely connected to said base structure, said electric motor being arranged to lie parallel with respect to said base structure;
first means for forcibly pivoting said pivotal structure between said upper and lower positions with the aid of said electric motor;
and
second means for disengaging said striker from said latch plate with the aid of said electric motor.

6 more elements

A power operated latch device for use with mutually movable first and second structures, said latch device comprising:

a striker secured to said second structure;
a latch proper mounted to said first structure, said latch proper including:
a base plate secured to said first structure and having a striker guide slot into which said striker is inserted when said first and second structures come close to each other;
a motor supporting plate securely connected to said base plate in a manner to define therebetween a space, said motor supporting plate having an electric motor mounted thereto, said motor being arranged to lie with respect to said base plate in such a manner that an output shaft of said electric motor extends in a direction perpendicular to a direction in which said striker guide slot extends;
a latch supporting plate installed in said space and pivotal between upper and lower positions, said latch supporting plate carrying a pivotal latch plate which is engageable with said striker;
first means for forcibly pivoting said latch supporting plate between said upper and lower positions with the aid of said electric motor;
and
second means for forcibly driving said latch plate in a direction to disengage said striker from said latch plate with the aid of said electric motor.

5 more elements

Dependencies are inferred from the claim text.

Power operated latch device for automotive back door

Life of this patent

Power operated latch device for automotive back door

Life of this patent

Abstract

Claims15