A brake boosting device wherein a vibration control member is provided to an end part of a return coil spring that is arranged inside a vehicle chamber and that is interposed between a booster body and an input rod. The vibration control member has provided thereto: a seat part that suppresses the vibration of the return coil spring and that is between the end part of the return coil spring and a support part that supports the end part; and a guide part that is provided integrally with the seat part and that fits with the inner periphery of the end part of the return coil spring at a prescribed radial tightening allowance.
BRAKE BOOSTING DEVICE
2017-07-06
Patent
Elektronische Ressource
Englisch
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