AUXILIARY BRAKE DEVICE, BRAKE DISC ASSEMBLY, BASE DISC ASSEMBLY AND PASSENGER CONVEYOR
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United States of America Patent
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Issued Date -
Mar 1, 2018
app pub date -
Aug 31, 2017
filing date -
Aug 31, 2016
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Abstract
An additional brake device for a passenger transport device, a brake disc assembly, a wheel disc assembly, and a passenger transport device. The additional brake device comprises: a brake disc defining a hole and having an inner circumferential surface; a wheel disc having a wheel disc body and an extension, the extension being fitted into the hole of the brake disc and having an outer circumferential surface, and a first friction plate being provided between the brake disc and the wheel disc body; and a pressure holding mechanism which maintains a pressure between the brake disc and the wheel disc, wherein an intermediate member is provided between the inner circumferential surface of the brake disc and the outer circumferential surface of the extension of the wheel disc, the intermediate member comprising a metal or alloy material.
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