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公开(公告)号:US2585144A
公开(公告)日:1952-02-12
申请号:US6739348
申请日:1948-12-27
发明人: LOGAN JR JOHN W
IPC分类号: B61L11/04
CPC分类号: B61L11/04
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公开(公告)号:US2260675A
公开(公告)日:1941-10-28
申请号:US31604240
申请日:1940-01-27
申请人: KING JAMES F
发明人: KING JAMES F
IPC分类号: B61L11/04
CPC分类号: B61L11/04
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公开(公告)号:US2205526A
公开(公告)日:1940-06-25
申请号:US25436839
申请日:1939-02-03
申请人: HARDY WILLIAM T
发明人: HARDY WILLIAM T
IPC分类号: B61L11/04
CPC分类号: B61L11/04
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公开(公告)号:US4408743A
公开(公告)日:1983-10-11
申请号:US310778
申请日:1981-10-13
摘要: A seat is attached atop a trunnion member rotatably mounted within an intermediate tubular member vertically slidable within a tubular base member. Structure is provided for reducing wear between rubbing surfaces on the trunnion member and the intermediate member, and this same structure functions as part of the elevating mechanism for the intermediate member.
摘要翻译: 座椅安装在可旋转地安装在可在管状基座构件内垂直滑动的中间管状构件内的耳轴构件顶部。 提供了用于减少耳轴构件和中间构件之间的摩擦表面之间的磨损的结构,并且该相同结构用作中间构件的升降机构的一部分。
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公开(公告)号:US2500616A
公开(公告)日:1950-03-14
申请号:US69322146
申请日:1946-08-27
发明人: MCWHIRTER WILLIAM C
IPC分类号: B61L11/04
CPC分类号: B61L11/04 , Y10T74/20924
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公开(公告)号:US6164602A
公开(公告)日:2000-12-26
申请号:US251841
申请日:1999-02-17
申请人: Stephen R. Kuhn , Keith Young , Ilia Petkov
发明人: Stephen R. Kuhn , Keith Young , Ilia Petkov
摘要: A railroad frog assembly is provided with a spring wing rail multi-position holdback subassembly that continuously retains the spring wing rail in each spring wing rail open position when activated by the wheels of a railcar traversing the frog assembly, and that automatically deactivates the multi-position holdback subassembly and releases the spring wing rail from retention in an open condition and for complete closing after the last railcar wheel has passed through the frog assembly.
摘要翻译: 铁路青蛙组件设置有弹簧翼导轨多位置夹紧子组件,其在通过穿过青蛙组件的轨道车辆的车轮激活时将弹簧翼轨连续地保持在每个弹簧翼轨轨道打开位置,并且自动停用多个位置, 位置保持组件,并将弹簧翼导轨从保持开放状态释放,并在最后一个导轨车轮通过青蛙组件后完全关闭。
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公开(公告)号:US2858419A
公开(公告)日:1958-10-28
申请号:US42924754
申请日:1954-05-12
发明人: BONE HERBERT L , LOGAN JR JOHN W
IPC分类号: B61L11/04
CPC分类号: B61L11/04
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公开(公告)号:US2517280A
公开(公告)日:1950-08-01
申请号:US72102847
申请日:1947-01-09
发明人: BONE HERBERT L , TEMPLE GEORGE L , LOGAN JR JOHN W
IPC分类号: B61L11/04
CPC分类号: B61L11/04
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