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1. 发明申请

WO2007021850A1 FASTENER RETAINER AND DRIVER 审中-公开
标题翻译：紧固件保持器和驱动器
公开(公告)号：WO2007021850A1
公开(公告)日：2007-02-22
申请号：PCT/US2006/031211
申请日：2006-08-11
申请人： SMITH & NEPHEW, INC. , JANNA, Si , SCHNIEDER, John , AUSTIN, Edward
发明人： JANNA, Si , SCHNIEDER, John , AUSTIN, Edward
IPC分类号： B25B23/10
CPC分类号： B25B23/108 , A61B17/861 , A61B17/8888 , B25B13/06 , B25B13/065 , B25B15/008
摘要： A fastener driver (10) includes a shank (12) split in only a distal region of the shank to form spring members (18a, 18b) normally spaced apart a first distance. The members form a fastener mating portion and are configured such that when a force is applied to the members, the mating portion forms a regular polygon for mating with a fastener, and when the force is removed, the members grip the fastener due to a return toward their normally spaced distance. The members form the regular polygon when compressed or expanded. The members are substantially equally dimensioned, and the shank is one piece and solid. The members include complementary shapes (18'a, 18'b, 18' 'a, 18''b, 18' ''a, 18'''b) configured to limit relative slipping between the members. The driver includes an assisting mechanism for applying an inward, compression force (250; 254, 256) and/or an outward, expansion force (272; 316, 318) to the members.
摘要翻译：紧固件驱动器（10）包括仅在柄的远侧区域分开的柄（12），以形成通常间隔开第一距离的弹簧构件（18a，18b）。构件形成紧固件配合部分，并且构造成使得当力施加到构件时，配合部分形成用于与紧固件配合的正多边形，并且当力被移除时，构件由于返回而夹紧紧固件朝向他们正常间隔的距离。压缩或扩展时，成员形成正多边形。这些构件的尺寸基本相等，并且柄是一体的并且是固体。这些构件包括构造成限制构件之间的相对滑动的互补形状（18'a，18'b，18“，a”18“，b”18“'，18”'）。驾驶员包括用于向构件施加向内的压缩力（250; 254,256）和/或向外的膨胀力（272; 316,318）的辅助机构。

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