192 clutches and power-stop control – Transmission and brake – Motor vehicle
Reexamination Certificate
2005-02-08
2005-02-08
Lorence, Richard M. (Department: 3681)
192 clutches and power-stop control
Transmission and brake
Motor vehicle
C074S473190, C074S473300, C070S245000
Reexamination Certificate
active
06851538
ABSTRACT:
A control unit for the gear or shift program selection of an automatic transmission of a motor vehicle is presented, which has a emergency release mechanism. With this a parking brake of the motor vehicle transmission can be released by an operating device that can be actuated by the driver. A housing (3) is provided and a selector lever (1), which can be brought into at least two end positions, in which control unit the operating device of the emergency release mechanism is an integral part of the control unit, and in which the operating device has a detachable stop element (7). The stop element (7) is secured in a mount (9) of the control unit by means of a coded release mechanism (15) and acts as a movement limitation for the release movement of the parking brake by the operating device of the emergency release mechanism in the non-actuated state. The emergency release mechanism can also be actuated due to this novel design even with the control unit only, and, moreover, increased requirements on theft protection can be met.
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Meyer Jörg
Rake Ludger
Lorence Richard M.
McGlew and Tuttle , P.C.
ZF Lemförder Metallwaren AG
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