发明名称 ELEVATOR CAR BRAKE
摘要 The present invention relates to a braking apparatus and an elevator system comprising the braking apparatus for grasping or gripping a hoisting rope of the elevator. The system comprises a pair of brake shoes, a motorized rotatable camshaft with at least one cam surface for pressing against a push plate to compress a spring means and keep the shoes apart or when the motor is disengaged cause the cam shaft to not push on the push plate such that the springs expand cause the brake shoes to come together and grip the hoisting rope.
申请公布号 US2011147133(A1) 申请公布日期 2011.06.23
申请号 US20090646052 申请日期 2009.12.23
申请人 JIA YANHUA 发明人 JIA YANHUA
分类号 B66B5/24;B65H59/10 主分类号 B66B5/24
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