DISC BRAKE DEVICE AND BICYCLE

WIPO Patent Application WO/2022/193810

A1

A disc brake device (100) and a bicycle. The disc brake device (100) comprises a bicycle frame, a mounting shaft (60), a wheel (70), and a brake disc (10); fork pieces (51) is fixedly connected to a frame body; the mounting shaft (60) is fixedly connected to the fork pieces (51); a hub (71) is movably connected to the mounting shaft (60); spokes (72) are provided between the hub (71) and a rim (73); the brake disc (10) is fixedly connected to the hub (71); the brake disc (10) and the wheel (70) can rotate together with respect to the mounting shaft (60); the brake disc (10) has an inner surface disposed facing the spokes (72) and an outer surface disposed facing a fork piece (51); a first distance (L1), in the axial direction of the mounting shaft 60, between the edge of the inner surface of the brake disc (10) farthest from the hub (71) in the radial direction of the mounting shaft (60) and each spoke (72) is less than or equal to 10 mm, and/or a second distance (L2), in the axial direction of the mounting shaft 60, between the edge of the outer surface of the brake disc (10) farthest from the hub (71) in the radial direction of the mounting shaft (60) and an inner surface (511) of the fork piece (51) is greater than or equal to 20 mm.

WO/2005/021367	RIM BRAKE
JP5873567	Brake caliper placement structure for motorcycles
JP2009544516	Motorcycle vehicle

HON DAVID TAK WEI (CN)
LI WENXU (CN)

PCT/CN2022/071973

September 22, 2022

January 14, 2022

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SHENZHEN MEIDAHANG TECH CO LTD (CN)

B62L1/00; F16D65/092

WO2014084560A1

2014-06-05

CN214985873U	2021-12-03
CN201736737U	2011-02-09
CN204628375U	2015-09-09
TWM487053U	2014-10-01

GUANGZHOU WISON I.P. LAW FIRM (CN)

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