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Patent Searching and Data


Title:
DISC-BRAKE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/124150
Kind Code:
A1
Abstract:
A disc-brake device (1) comprises a brake disc (2), a brake lining (3), and a brake caliper (4). The brake lining (3) includes a friction member (9) and a base plate (10) that supports the friction member (9). When a plurality of bolt holes (7) are projected in the direction of an axle (5) onto a rear surface (13) of the base plate (10), a border (16) passes through the area of the projected plurality of bolt holes (7). The brake caliper (4) includes an inner-side pressing surface (17) that imparts a load to an inner-side area (14), and an outer-side pressing surface (18) that imparts a load to an outer-side area (15). The load imparted from the inner-side pressing surface (17) to the inner-side area (14) is different from the load imparted from the outer-side pressing surface (18) to the outer-side area (15). This makes it possible to minimize stress exerted on bolts while also minimizing local temperature increases in the brake disc.

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Inventors:
KATO TAKANORI (JP)
SAKAGUCHI ATSUSHI (JP)
ASABE KAZUTAKA (JP)
MIYABE NARUO (JP)
Application Number:
PCT/JP2017/046816
Publication Date:
July 05, 2018
Filing Date:
December 26, 2017
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
F16D55/22; F16D65/02; F16D65/12
Foreign References:
JP2016070292A2016-05-09
JP2007147041A2007-06-14
JP2006009862A2006-01-12
JP2009257578A2009-11-05
JP2014059011A2014-04-03
Attorney, Agent or Firm:
ASCEND IP LAW FIRM (JP)
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