发明名称 |
Spring counterbalance for rotating load |
摘要 |
A counterbalance mechanism counterbalances an eccentric mass on a rotating shaft supported by a frame. A first pulley is coupled to and concentric with the shaft. An arm is coupled to the shaft to rotatably support a second at a first distance from the first pulley. A third pulley is fixedly coupled to the frame at a second distance from the first pulley. A fourth pulley is rotatably coupled to and concentric with the third pulley. A spring is fixed at a first end to the frame and has a second end that is coupled to the fourth pulley such that the spring provides a restoring force as the fourth pulley is rotated. A first cable has a first end that is coupled to the fourth pulley and a second end that is coupled to the frame through the third pulley after passing over the first and second pulleys. |
申请公布号 |
US8220765(B2) |
申请公布日期 |
2012.07.17 |
申请号 |
US20080144537 |
申请日期 |
2008.06.23 |
申请人 |
BAILEY DAVID W.;INTUITIVE SURGICAL OPERATIONS, INC. |
发明人 |
BAILEY DAVID W. |
分类号 |
A47H1/10;A47F5/00;A47F7/00;E04G3/00;E05D13/00;F16M11/00;F16M13/00 |
主分类号 |
A47H1/10 |
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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