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    • 1. 发明公开
    • DISC BRAKE DEVICE
    • SCHEIBENBREMSENVORRICHTUNG
    • EP2325518A1
    • 2011-05-25
    • EP09812917.4
    • 2009-09-11
    • Toyota Jidosha Kabushiki Kaisha
    • ISONO, HiroshiSUZUKI, Michio
    • F16D65/20
    • F16D65/18F16D65/44F16D2121/02F16D2125/04F16D2125/06F16D2127/00F16D2127/02
    • In a disc brake device, a piston (15) is movably supported to a cylinder portion (21) of a caliper (14), friction pads (12, 13) are operable to push a disc rotor (11) as the piston (15) moving frontward during pressurization, a seal mechanism (28) arranged at the cylinder portion (21) is operable to return the piston (15) to an initial position during depressurization, and the seal mechanism (28) is constituted with a movable element (31) arranged between the cylinder portion (21) and the piston (15) as being movable frontward in the same direction of the piston (15), a first seal member (33) elastically arranged between the piston (15) and the movable element (31) to make the movable element (31) accompany the piston (15), a low elasticity member (37) being compressively deformable with initial pressurization of the piston (15) via the movable element (31), and a high elasticity member (38) being compressively deformable with pressurization of the piston (15) via the movable element (31).
    • 在盘式制动装置中,活塞(15)可移动地支撑在卡钳(14)的气缸部分(21)上,摩擦垫(12,13)可操作以作为活塞(15)推动盘形转子(11) )在加压期间向前移动,布置在所述气缸部分(21)处的密封机构(28)可操作以在减压期间将所述活塞(15)返回到初始位置,并且所述密封机构(28)由可移动元件 31),其被布置在所述气缸部分(21)和所述活塞(15)之间,沿着与所述活塞(15)相同的方向向前移动;弹性地布置在所述活塞(15)和所述可移动元件 (31),使可动元件(31)伴随着活塞(15),经由可动元件(31)通过活塞(15)的初始加压可压缩变形的低弹性部件(37)和高弹性部件 (38)可通过活塞(15)经由可移动元件( 31)。