Drive unit for adjusting window panes, sunroofs, seats and similar motor vehicle parts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 24, 1987
Grant Date -
N/A
app pub date -
Sep 19, 1985
filing date -
Sep 22, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drive unit for adjusting window panes, sunroofs, and seats in a vehicle has a reversible electric motor behind which is inserted a worm gear with a worm shaft. To prevent an undesired or unauthorized adjustment of a motor vehicle part, a brake device is provided. The brake device has a mechanical, one-way brake element with which the worm shaft may be coupled by an axial displacement. In order to reduce the effect of the brake device on the worm shaft when the window pane is adjusted by the electric motor, the brake element is the rotatable part of a rotation limiting device and, in the axial direction, it is supported on a stop.
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Family
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