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1. 发明授权

US5642788A Dismount braking device for a snowmobile 失效
标题翻译：拆卸雪地车的制动装置
公开(公告)号：US5642788A
公开(公告)日：1997-07-01
申请号：US555184
申请日：1995-11-08
申请人： David E. Mabbott
发明人： David E. Mabbott
IPC分类号： B60T7/12 , B60T7/14
CPC分类号： B60T7/12
摘要： A dismount brake device (1) is tethered by a cable (4) to a snowmobile rider (3). Pulling on the cable (4) displaces a trigger (17) which frees a piston (34). The piston (34) is biased by a main spring (39) to decrease the volume of a chamber (11) containing hydraulic fluid and which is interconnected to the brake line (13). A plunger (36) extends from the head of the piston (34) and seals a port (40) leading to the master cylinder (42). As the volume of the chamber (11) continues to decrease, the pressure in the brake line (13) reaches a value that will activate the brakes and stop rotation of snowmobile track (47). Activation of the brake handle (46) resets the device (1) for further use. An alternate embodiment (48) utilizes a solenoid (50) instead of the tether (4) to physically move a modified trigger (56) when a switch senses that the seat (64) of the snowmobile (2) is unoccupied.
摘要翻译：下车制动装置（1）由电缆（4）系在雪地车手（3）上。拉动电缆（4）移动释放活塞（34）的触发器（17）。活塞（34）被主弹簧（39）偏压，以减小包含液压流体并与制动管路（13）互连的腔室（11）的容积。活塞（36）从活塞（34）的头部延伸并密封通向主缸（42）的端口（40）。随着室（11）的体积继续下降，制动管路（13）中的压力达到将启动制动并停止雪地车道（47）的旋转的值。制动手柄（46）的激活使设备（1）复位以供进一步使用。替代实施例（48）当切换器感测到雪地车（2）的座椅（64）未被占用时，利用螺线管（50）而不是系绳（4）来物理地移动修改的触发器（56）。

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