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1. 发明公开

EP1165291A1 WRENCH 有权
标题翻译：扳手
公开(公告)号：EP1165291A1
公开(公告)日：2002-01-02
申请号：EP00918988.7
申请日：2000-03-29
申请人： Smart Tools Limited
发明人： BUCHANAN, Nigel
IPC分类号： B25B13/52 , B25B13/04
CPC分类号： B25B13/04 , B25B13/52
摘要： A wrench has a head portion (10) adapted to engage and apply torque to a workpiece, including a ring member (14) which surrounds the workpiece and has a fixed end (16) and a free end (18) such that, when the ring engages a workpiece and a torque is applied in a predetermined direction (48), the ring closes around the workpiece, increasing the grip between the wrench and the workpiece even if the workpiece is substantially worn, damaged or undersized.

2. 发明公开

EP1438159A1 FOLD-AWAY WRENCH 有权
标题翻译：可折叠扳手
公开(公告)号：EP1438159A1
公开(公告)日：2004-07-21
申请号：EP02770132.5
申请日：2002-10-28
申请人： Smart Tools Limited
发明人： DUFFY, Seamus , BUCHANAN, Nigel, Alexander
IPC分类号： B25B13/04 , B25B13/56 , B25G1/08
CPC分类号： B25B13/04 , B25B13/56 , B25G1/085
摘要： There is disclosed a fold-away wrench having a wrench head (9) pivotally mounted on a handle (2). The wrench head (4) is an open flexible ring socket (3a) locatable over a fastener such as a nut, bolt or screw to move it. Pins (17) are provided for engagement with the wrench head (4) to close the wrench head over a fastener to be moved. Preferably, the wrench head (4) is pivotable on an axis pin (10) at one end of the socket ring while at the other end of the socket ring is a fulcrum pin (17) for closing the socket over the fastener.

3. 发明公开

EP1554084A1 A GEARLESS ONE WAY DRIVE 审中-公开
标题翻译：无齿轮单向驱动
公开(公告)号：EP1554084A1
公开(公告)日：2005-07-20
申请号：EP03766473.7
申请日：2003-08-01
申请人： Smart Tools Limited
发明人： BUCHANAN, Nigel Alexander
IPC分类号： B25B13/46
CPC分类号： B25B13/46
摘要： A head portion (2) and handle portion (3) pivot about an axis pin (6). The head portion (2) is first biased in the required drive direction (D) bias being sustained by a resilient cam (5) being to one side of a clamping shoe (7) centre line (7a). When torque is applied in the drive direction (D) to a levered end (3a) of the handle portion the resultant force acts through the pertinent cam (3c) on levered end (3b) of the handle portion forcing the clamping shoe (7) inwards locking the inner surface (2b) and clamping surface (7c) onto the drive portion (4) of a socket (8) or circular drive (9) in order to operate a fastener (10). A spring cam (5) takes up any play between the handle portion (3) head portion (2) axis pin (6) clamping shoe (7) and drive portion (4) yet compresses sufficiently to allow the instant gearless drive (1) relative to the drive portion (4) to be repositioned (R).
摘要翻译：头部（2）和手柄部分（3）围绕轴销（6）枢转。头部（2）首先沿着所需驱动方向（D）偏压，偏压由弹性凸轮（5）保持在夹紧靴（7）中心线（7a）的一侧。当沿驱动方向（D）将扭矩施加到手柄部分的杠杆端部（3a）时，合力通过手柄部分的杠杆端部（3b）上的相关凸轮（3c），迫使夹紧靴（7）将内表面（2b）和夹紧表面（7c）向内锁定到插座（8）或圆形驱动器（9）的驱动部分（4）上以操作紧固件（10）。弹簧凸轮（5）在手柄部分（3）头部（2）轴销（6）夹紧靴（7）和驱动部分（4）之间占用足够的压缩力以允许即时无齿轮驱动装置（1）相对于要重新定位的驱动部分（4）（R）。

4. 发明授权

EP1165291B1 WRENCH 有权
标题翻译：扳手
公开(公告)号：EP1165291B1
公开(公告)日：2004-05-12
申请号：EP00918988.7
申请日：2000-03-29
申请人： Smart Tools Limited
发明人： BUCHANAN, Nigel
IPC分类号： B25B13/52 , B25B13/04
CPC分类号： B25B13/04 , B25B13/52
摘要： A wrench has a head portion (10) adapted to engage and apply torque to a workpiece, including a ring member (14) which surrounds the workpiece and has a fixed end (16) and a free end (18) such that, when the ring engages a workpiece and a torque is applied in a predetermined direction (48), the ring closes around the workpiece, increasing the grip between the wrench and the workpiece even if the workpiece is substantially worn, damaged or undersized.

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