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US4946052A Gravity wedge for slackless railcar connections 失效
用于无松动轨道连接的重力楔

Gravity wedge for slackless railcar connections
摘要:
A slackless railcar connector system includes a gravity wedge shim that has a tail piece extending from the narrow edge of the sim through an aligning groove in a sill pocket casting, or the like. A biasing member may also be located adjacent the aligning groove to engage the tail piece.
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