发明名称 |
Railway hopper car door locking mechanism |
摘要 |
A locking arrangement for a hopper door includes a rotatable latch which is pivotally connected to rotate between open and closed positions. The latch is actuated by a link and bell crank lever arrangement which also locks the latch closed in an over-center position. The bell crank lever is rotated by a linkage arrangement and biasing means on the bell crank lever holds the same in an over-center position.
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申请公布号 |
US4136621(A) |
申请公布日期 |
1979.01.30 |
申请号 |
US19770786531 |
申请日期 |
1977.04.11 |
申请人 |
PULLMAN INCORPORATED |
发明人 |
SCHULLER, JAMES J.;RAKSANYI, WILLIAM;FERRIS, RAY L. |
分类号 |
B61D7/18;B61D7/26;(IPC1-7):B61D7/02;B61D49/00 |
主分类号 |
B61D7/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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