Park release apparatus for a transmission

摘要

An apparatus for manually shifting an automatic transmission can include a lever assembly, a coupling member and a lock arrangement. The lever assembly can include a variable length lever. The coupling member can be connected at a first end to the lever assembly and can be adapted to be coupled at a second end to a shift lever of the transmission. The lock arrangement can be associated with the lever assembly, and can be configured to provide for selective movement of the variable length lever between a stowed position having a first length and a deployed position having a second length greater than the first length. Actuation of the lever assembly can be adapted to move the shift lever to manually release a parking lock of the automatic transmission.

主权项

1. A park release apparatus for manually shifting a shift-by-wire automatic transmission of a vehicle, the park release apparatus comprising:
a base; a variable length lever assembly pivotably coupled to the base and including first and second lever arms slidably coupled to each other, the second lever arm including first and second lock engagement positions; a coupling member connected at a first end to the variable length lever assembly and adapted to be coupled at a second end to a shift lever of the transmission; and a lock arrangement associated with the variable length lever assembly, the lock arrangement including a lock member and a biasing member and configured to provide for selective movement of the first lever arm relative to the second lever arm between a stowed position where the variable length lever assembly has a first length and a deployed position where the variable length lever assembly has a second length greater than the first length, the lock arrangement configured to selectively maintain the first lever arm in the stowed and deployed positions; wherein the lock member is biased into engagement with the second lock engagement position when the first lever arm is in the stowed position and with the first lock engagement position when the first lever arm is extended to the deployed position; wherein actuation of the variable length lever assembly is adapted to move the shift lever to manually release a parking lock of the shift-by-wire transmission.