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1. 发明授权

US5193968A Pull trailer dump truck 失效
标题翻译：拉拖车自卸车
公开(公告)号：US5193968A
公开(公告)日：1993-03-16
申请号：US480226
申请日：1990-02-15
申请人： W. Glenn Hicks
发明人： W. Glenn Hicks
IPC分类号： B60P1/64
CPC分类号： B60P1/6427
摘要： A pull trailer dump truck assembly (10) is disclosed which uses a dump truck (12), a trailer (18) and an improved locking mechanism (24). The locking mechanism (24) includes at least one pair of cooperating locking wedges (54, 56) mounted on the trailer body (22) and the trailer frame (20) which move into wedging engagement when the trailer body is moved into the secured, traveling position on the trailer frame. A self-locking pintle hook (60) can be mounted on the frame to automatically lock with a pintle eye (58) as the wedge members move into wedging engagement to secure the trailer body (22) on the trailer frame (20). A power cylinder (66) can also be provided to move a locking wedge member (64) on the trailer frame and a locking wedge member (62) on the trailer body into locking wedged engagement.
摘要翻译：公开了使用自卸车（12），拖车（18）和改进的锁定机构（24）的牵引式拖车自卸车组件（10）。锁定机构（24）包括安装在拖车主体（22）上的至少一对配合的锁定楔（54,56）和拖车框架（20），当拖车主体移动到固定的，拖车架上的行驶位置。当楔形构件移动成楔入接合以将拖车主体（22）固定在拖车框架（20）上时，自锁枢栓钩（60）可以安装在框架上以自动锁定眼睛（58）。还可以设置动力缸（66）以将拖车框架上的锁定楔形构件（64）和拖车主体上的锁定楔形构件（62）移动成锁定楔形接合。

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