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1. 发明申请

WO0145989A3 CARGO TRAILER ANTI-THEFT SYSTEM 审中-公开
标题翻译：货物拖车防盗系统
公开(公告)号：WO0145989A3
公开(公告)日：2002-05-10
申请号：PCT/US0042776
申请日：2000-12-12
申请人： CARGO SAFE INC
发明人： BARNETT BURTON
IPC分类号： B60R25/08 , B60T17/16
CPC分类号： B60R25/08
摘要： In a theft deterrent security device for trailers and like equipment having a dual chamber brake system that operates with compressed air an electro mechanical device, such as servomotor or a solenoid, is mounted within the interior of the dual chamber brake system housing in which an expanded high spring-rate spring biases and keeps a brake actuator in a locked "brakes on" position when the there is no compressed air supplied to the system. The servo motor or solenoid is connected to members which in one position mechanically block movement of the brake actuator to prevent its normal operation even when there is compressed air available to the system and the high spring-rate spring is compressed. In a second position of the servo motor or solenoid the members do not block movement of the brake actuator and thereby allow normal operation of the brakes. The servo motor or solenoid is responsive to coded signals which control its position and which are normally available only to an authorized user. Alternatively, a remote controlled valve is included in the interior of the dual chamber brake system to block supply of compressed air to the chamber having the high spring-rate spring.
摘要翻译：在用于具有用压缩空气操作的双室制动系统的拖车和类似设备的防盗安全装置中，诸如伺服电动机或螺线管的电机械装置安装在双室制动系统壳体的内部，其中扩展高弹簧弹簧偏压并且当没有供应给系统的压缩空气时，将制动器致动器保持在锁定的“制动器”位置。伺服电动机或螺线管连接到构件，其在一个位置中机械地阻止制动致动器的运动，以防止其正常操作，即使当压缩空气可用于系统并且高弹簧弹簧被压缩时。在伺服电动机或螺线管的第二位置，构件不阻止制动致动器的运动，从而允许制动器正常运行。伺服电动机或螺线管响应于编码信号，其控制其位置，并且通常仅对授权用户可用。或者，遥控阀包括在双室制动系统的内部，以阻止向具有高弹簧弹簧的室供应压缩空气。

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