US Patent 8256579 Elevator car brake
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Patent abstract
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.
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US Patent 08256579 Elevator car brake US Patent 8256579 Elevator car brake
Infobox
Patent Number
0825657900
Patent Number
825657900
Edits on 26 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
082565790
Date of Patent
September 4, 2012
0Patent Application Number
126460520
Date Filed
December 23, 2009
0Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
082565790
Date of Patent
September 4, 2012
0Patent Application Number
126460520
Date Filed
December 23, 2009
0Patent Primary Examiner
Edits on 15 Dec, 2021
Golden AI
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US Patent 08256579 Elevator car brake
Infobox
Is a
Patent jurisdiction
Patent number
08256579
Date of patent
September 4, 2012
Patent application number
12646052
Date Filed
December 23, 2009
Patent primary examiner
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