Elevator system safety brake

A braking mechanism includes a wedge selectably engageable with a guide rail, and a frictional surface defined on the wedge configured for selective engagement with the guide rail in an overspeed condition. The frictional surface includes a friction coating of polycrystalline blocky diamond material...

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Hauptverfasser: Torlai, David R, Marathe, Girija
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creator Torlai, David R
Marathe, Girija
description A braking mechanism includes a wedge selectably engageable with a guide rail, and a frictional surface defined on the wedge configured for selective engagement with the guide rail in an overspeed condition. The frictional surface includes a friction coating of polycrystalline blocky diamond material. An elevator system includes an elevator car, a guide rail along which the elevator car travels, and a braking mechanism located at the elevator car and selectably engageable with the guide rail to slow or stop travel of the elevator car along the guide rail. The braking mechanism includes a wedge having a frictional surface configured for selective engagement with the guide rail in an overspeed condition. The frictional surface includes a friction coating of polycrystalline blocky diamond material.
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subjects CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
title Elevator system safety brake
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