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1. 发明授权

US3842754A Vehicle holddown 失效
标题翻译：车辆保持
公开(公告)号：US3842754A
公开(公告)日：1974-10-22
申请号：US39713873
申请日：1973-09-13
申请人： CAST METAL IND INC
发明人： JONES R
IPC分类号： B60P3/073 , B60P7/08
CPC分类号： B60P3/073
摘要： A vehicle holddown for engaging with a channel fixed upon a supporting deck of a transport, such as a railroad car, for anchoring a vehicle, such as an automobile, thereto. The holddown is formed of a box-like body having an open end. A vertically axised shaft extends through the body, with its lower end journalled to the body bottom wall and its upper end having an enlarged ring journalled within a cooperating opening formed in the body upper wall. The upper end of the shaft, above the ring, is formed as a toothed ratchet wheel of smaller O.D. than the ring. A manually removable pawl, pivotally mounted upon the body upper wall, which both engages the ratchet wheel and also overlaps the ring portion bordering the wheel to simultaneously lock the wheel and shaft against rotation in one direction and against upward movement from the body. A holddown chain has an end extending through the body open end and connected to the shaft, for winding upon the shaft, and an opposite hooked end for engaging a vehicle. The body open end and the ring journalling opening are of sufficient size to permit passage of the chain, including its hooked end, therethrough for upwards withdrawal of the shaft and chain from the body member, upon manual removal of the pawl, without moving the holddown relative to the channel.

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