ELECTRIC DISC BRAKE DEVICE
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United States of America Patent
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N/A
Issued Date -
Jul 23, 2015
app pub date -
Jul 25, 2013
filing date -
Jul 26, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A piston is pushed out towards a rotor by an electric actuator. The electric actuator has a speed reduction machine, a ball type speed reduction machine, and a feed-screw device. A preload is imparted to balls which make up the ball type speed reduction machine by a compression spring to impart a resistance against the functioning of the ball type speed reduction machine, whereby the ball type speed reduction machine does not function immediately after braking is started.
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