Electrically-operated disc brake assemblies for vehicles
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United States of America Patent
Stats
-
Aug 8, 2000
Grant Date -
N/A
app pub date -
May 14, 1998
filing date -
Sep 13, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrically operated disc brake assembly for vehicles of the kind in which a friction member (9) is adapted to be applied to a rotatable brake disc (2) by a brake applying mechanism which includes an electric motor (3) and a transmission which is adapted to apply an axially directed brake applying force to the friction member (9) in response to operation of the motor (3) so that the transmission acts on the friction member (9) at circumferentially spaced locations. This produces a substantially even loading across the friction member/disc interface, reducing the magnitude of the reaction torque. In one embodiment, the transmission comprises a pair of axially spaced screw devices (4,5) which are rotatable by the motor (3) acting through a common gear train (6), and the motor may further be provided at the center of mass of the brake.
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Family
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Cited Art Landscape
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