Device for emergency release of an automotive parking interlock

摘要

The mechanism for emergency release of a parking lock of an automatic transmission. The mechanism comprises and is connected, in a rotationally fixed manner, with the selector shaft (1) of the shifting device of the transmission. A lever (2), which is positioned facing the transmission housing (3), at the side of the shifting device, can be activated by an unlocking tool (5) that is inserted from the outside through an opening (4) in the transmission housing (3) to release the parking lock.

主权项

1. An automatic transmission parking lock emergency release mechanism being accommodated within an automatic transmission, and the automatic transmission including a shifting device with a selector shaft (1), the emergency release mechanism comprising
a lever (2) being connected, in a rotationally fixed manner, to the selector shaft (1) of the shifting device of the automatic transmission and the lever (2) being positioned adjacent a side of a transmission housing (3), and the lever (2) is accommodated outside the transmission housing; a pivotable end of the lever (2) being positioned directly facing and adjacent an opening (4) in the transmission housing (3) adjacent a side of the shifting device: and the pivotable end of the lever (2) being activatable by direct engagement with a leading end of a rotatable unlocking tool (5) to facilitate release of the parking lock, and the rotatable unlocking tool (5) only being inserted through the opening of the transmission housing (3), from outside of the transmission housing (3), so as to directly engage with and push the pivotable end of the lever (2) away from the opening (4) and releases the parking lock when emergency release of the parking lock is desired, and rotation of the rotatable unlocking tool (5), relative to the opening (4) of the transmission housing (3), further inserts the leading end of the unlocking tool through the opening (4) and induces engagement with and pushes the pivotable end of the lever (2) and causes rotation of the pivotable end of the lever (2) away from the opening (4) which releases the parking lock.