US 5,288,115 A · Auto-closing vehicle door lock device

Abstract

A vehicle door lock assembly having a housing to be secured to a vehicular door structure. The housing has a dent extending along an about up-and-down direction, a striker secured to the vehicular body, a latch rotating from its open position to its fully locked position through its half-latched position, a ratchet preventing the latch from reverse-rotating, a motor functioning when the latch rotates to the half-latched condition, and a lever driven by a motor in order to engage with the latch positioned at the half-latched position so as to rotate the latch to its fully latched position. The lever, latch and ratchet are operative arranged in the dent of the housing along an up-and-down direction and secured to the housing wall by three parallel shafts.

Claims13

Dependent claims

A door lock comprising:

a housing having a front face provided with a dent extending along an up-and-down direction, said housing is adapted to be secured to a door,
a striker secured to a vehicle body, and a latch rotating from an open position to a full-lock position through a half-latched position,
a ratchet for preventing the latch from reversely rotating,
a motor being given electricity when said latch rotates to said half-latched position, and a lever rotating by force of the motor and engaging said latch positioned at said half-latched position in order to rotate said latch to said full-latched position,
wherein the lever, the latch and the ratchet are arranged in said dent along an up-and-down direction and respectively rotatably secured to the housing by parallel shafts, and the latch is positioned between said lever and said ratchet.

2 more elements

A door lock device comprising:

a housing having a front face provided with a dent, said housing is adapted to be secured to the door,
a latch rotatably secured in said dent, adapted to engage with a striker secured to a vehicle body, and adapted to rotate from an open position to a full-lock position through a half-latched position,
a ratchet rotatably secured in the dent so as to prevent the latch from reverse-rotating,
a motor adapted to be given electricity when the latch rotates to said half-latched position,
a lever adapted to be rotatably secured in the dent so as to rotate by force of said motor,
a hook positioned between said lever and said latch and rotatably secured to the housing,
wherein the hook engages with the latch at said half-latched position when the motor functions so as to rotate the latch to said full-latched position.

4 more elements

Dependencies are inferred from the claim text.

Auto-closing vehicle door lock device

Life of this patent

Auto-closing vehicle door lock device

Life of this patent

Abstract

Claims13