Actuating unit for an electromechanically actuated disc brake
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United States of America Patent
Stats
-
Jun 22, 2004
Grant Date -
N/A
app pub date -
Jun 28, 2002
filing date -
Sep 23, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An actuating unit for an electromechanically actuated disc brake for automotive vehicles which is composed of a drive unit or an electric motor, an actuating element forming one of two friction linings into engagement with a brake disc, and a reducing gear. A freewheel mechanism that interacts with the electric motor has the function of a parking brake. In order to ensure a high level of reliability in operation of the parking brake and to render it resistant to external influences, in particular, oscillations or vibrations, the present invention suggest that the freewheel mechanism be configured in such a way that its clamping effect is produced by a form-locking torque transmission and that, in its actuated state, it prevents a rotational movement of a bearing in which the rotor of the electric motor is mounted.
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