Gm Global Technolgoy Operations, Inc.

Joseph Leon Bastien

Artur Jerzy Ostrowski

A vehicle door latch has a rotatable forkbolt that is latched by a detent in a primary or an intermediate secondary latch position. The detent is operated via an intermittent lever that is operated by a transfer lever that is actuated by inside and outside door handles via suitable mechanical linkage. The door latch includes a locking lever that disables the door handles from operating the intermittent lever when it is in the locked position. The door latch also includes a cinching mechanism that automatically engages the forkbolt in the primary latch position when the intermediate secondary latch position is reached. The cinching mechanism includes a link that has one end connected to a cinch pawl and another end connected to the latch assembly. The link pulls on the pawl to disengage it from a cinching gear to allow the cinching gear to return to the standby or home position during an unlatching operation.

Vehicle door latch with cinching mechanism

A secondary hood latch is rotatably mounted on a body panel of a vehicle body and engageable by a striker mounted on a hood panel upon partial opening movement from a fully closed position to retain the hood against full opening movement subsequent to release of a primary latch. A cam member is rotatably mounted on the latch and has an interengagement with the striker so that the cam member is rotated in one direction during closing movement of the hood to the fully closed position and rotated in the other direction during opening movement of the hood from the fully closed position. A handle is carried by the cam member so that the handle is rotated therewith and estabilished in a retracted position concealed within the vehicle body when the cam member is rotated in one direction during closing movement of the hood and established in an extended occupant accessible position projecting out of the vehicle body when the cam member is rotated in the other direction during opening movement of the hood. Engagement of the handle with the secondary hood latch when the handle is established in the extended position forms a driving connection, so that occupant actuation of the handle disengages the secondary hood latch from engagement with the striker to permit full opening movement of the hood.

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Armada, MI, United States of America

Joseph Leon Bastien