专利名称：Differential pulley
发明人：Bowman, George不要玩手机
哨的组词申请号：EP05255759.2
申请日：20050916bmwx1
公开号：EP1640310A3
公开日：
82年什么命
20070502
专利内容由知识产权出版社提供
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专利附图：
摘要：A pulley comprising a first pulley wheel (12) and a cond pulley wheel (14) and a ratchet acting between the two pulley wheels (12,14). When substantially equal force is applied to each pulley wheel in u on a rope tail side causing the pulley wheels to rotate, a low gear ratio is achieved through a rope, chain or the like acting on a loaddog音标
对家人的祝福语through a block (22). When one pulley wheel is prevented from rotating and a force is applied to the other pulley wheel in u on a rope tail side causing it to rotate, then a higher gear ratio is achieved through a rope or chain or the like acting on a load through a block. When force is applied to the first wheel on a rope tail side and the cond pulley wheel is allowed to rotate, then a still higher ratio is achieved in u through a rope, chain or the like acting on a load through a block. In another embodiment, the pulley compris a first pulley wheel, a cond pulley wheel and means to prevent relative rotation of the pulley wheels in one direction, the pulley wheels being able to rotate relative to each other in the other direction. In another embodiment, the pulley compris a first pulley wheel, a cond pulley wheel and means acting between the pulley wheels such that, a force acting to rotate the first pulley wheel in a first direction imparts a corresponding force to rotate the cond pulley wheel in a cond, opposite direction.
申请人：Bowman, George
像棋地址：Bament Flat 362 Kennington Road London SE11 4DB GB
国籍：GB
代理机构：Dempster, Benjamin John Naftel
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