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公开(公告)号：EP2716929A4
公开(公告)日：2016-01-13
申请号：EP12792495
申请日：2012-05-31
发明人： KATO TAKANORI , FUJIMOTO TAKAHIRO , ASABE KAZUTAKA , SAKAGUCHI ATSUSHI , KARINO YASUSHI , SAGA SHIN-ICHI , MAEJIMA TAKASHI , NAKANO SATORU , NAKANO TAKESHI
IPC分类号： F16D65/092 , B61H5/00
CPC分类号： F16D55/22 , B61H5/00 , F16D65/092
摘要： A disc brake for railway vehicles includes: a brake disc fixed to a wheel or an axle of a railway vehicle; and a brake lining configured to be pressed against a frictional surface of the brake disc by a brake caliper, the brake lining including: a plurality of friction members arranged to be spaced from each other, each of the friction members having a surface that faces the frictional surface of the brake disc; a metallic backing secured to back surfaces of the friction members; and a base plate supporting the friction members on the back surface side via spring members, the base plate being mounted to a brake caliper; wherein the friction members are provided in pairs with each pair being formed by two adjacent ones of the friction members, and the metallic backing is a one-piece member provided for each pair of the friction members. The thus configured disc brake can achieve uniform contact pressure between the brake lining and the brake disc during braking operation while at the same time achieving a stable coefficient of friction between them, so that the durability and reliability are enhanced.
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公开(公告)号：EP2546540A4
公开(公告)日：2018-02-28
申请号：EP11753480
申请日：2011-03-11
发明人： KATO TAKANORI , SAKAGUCHI ATSUSHI , ASABE KAZUTAKA , MAEJIMA TAKASHI , NAKANO SATORU , NAKANO TAKESHI
IPC分类号： F16D65/092 , B61H5/00
CPC分类号： F16D65/092 , B61H5/00 , F16D69/0408 , F16D2069/0433
摘要： [OBJECT] To prevent friction bodies from rotating at their attached places. [MEANS] A brake lining for a railroad car in which a frictional surface of a brake disc is pressed by a brake caliper. The invention comprises friction bodies 11 pressed against the frictional surface of the brake disc, and a back plate 12 mounted to the caliper so as to support the friction bodies 11. The friction bodies 11 are distributed such that two or more thereof are arranged in a radial direction and in a circumferential direction of the brake disc. Each of the friction bodies 11 is formed with a friction material 11a which contacts the frictional surface of the brake disc, and with a base plate 11b attached on the back plate 12 side of the friction material 11a. The base plate 11b has a protrusion 11ba formed on the back plate 12 side. On the friction body 11 side of the back plate 12 there is formed a groove 12b which contacts the protrusion 11ba formed on the base plate 11b. A disc spring 14 or a spherical-seated structure 15 is disposed between the base plate 11b of each friction body 11 and the back plate 12. [ADVANTAGEOUS EFFECT] Friction bodies can be prevented from rotating at their attached places, without adding new components.
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