发明申请
- 专利标题： Rolling device for a displaceable cross frog
- 专利标题（中）： 滚动装置用于可摆放的十字青蛙
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申请号： US10511379申请日： 2003-04-23
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公开(公告)号： US20050161555A1公开(公告)日： 2005-07-28
- 发明人: Josef Leitner , Hannes Feldbaumer , Franz Stelzer
- 申请人： Josef Leitner , Hannes Feldbaumer , Franz Stelzer
- 优先权： ATA628/2002 20020423
- 国际申请： PCT/AT03/00117 WO 20030423
- 主分类号： E01B7/14
- IPC分类号： E01B7/14 ; E01B7/00
摘要：
In a roller device (6, 7) for a movable point of frog (1), including a sliding strip (18) and at least one roller (11) and at least one roller bearing (12) fixed to a stationary part of the switch, the roller(s) (11) is/are mounted on an arm (19) of a double-armed lever (10). The pivot bearing (12) of the lever (10) is arranged in a support (13) connected with a stationary part of the switch, wherein the arm (18) facing away from the roller(s) (11), of the double-armed lever (10) is pivotable against a spring (19) with adjustable spring power.
公开/授权文献
- US07063293B2 Rolling device for a displaceable cross frog 公开/授权日：2006-06-20