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1. 发明申请

US20040007097A1 Wrench 有权
标题翻译：扳手
公开(公告)号：US20040007097A1
公开(公告)日：2004-01-15
申请号：US10616285
申请日：2003-07-08
申请人： Nikken Kosakusho Works Ltd.
发明人： Masakazu Matsumoto , Masahiro Taguchi , Susumu Mikado
IPC分类号： B25B013/00
CPC分类号： B25B13/5083 , B25B13/462 , B25B13/5066 , B25B23/105
摘要： A wrench includes a wrench body having a ring portion and a handle portion. A retainer that holds a plurality of wedge members at predetermined intervals in a circumferential direction of the ring portion is disposed inside the ring portion. Wedge guide grooves are formed on the inner circumferential surface of the ring portion to be arranged at intervals corresponding to those of the wedge members. Each of the wedge guide grooves has a free region which maintains the corresponding wedge member in a free state in which the wedge member moves freely between a bottom surface of the corresponding wedge guide groove and the outer circumferential surface of a fastening member, and left-hand and right-hand wedge regions each of which maintains the corresponding wedge member in a caught state in which the wedge member is caught between the bottom surface of the corresponding wedge guide groove and the outer circumferential surface of the fastening member. The wrench is provided with a changeover mechanism for operating the retainer. By use of the changeover mechanism, the retainer is moved to a position at which the wedge member faces the corresponding free region, a position at which the wedge member faces the corresponding left-hand wedge region, or a position at which the wedge member faces the corresponding right-hand wedge region.
摘要翻译：扳手包括具有环部分和手柄部分的扳手主体。在环部内设置有以环状部的圆周方向以规定间隔保持多个楔构件的保持架。楔形引导槽形成在环形部分的内圆周表面上，以与楔形构件的间隔相对应的间隔布置。每个楔形导向槽具有自由区域，其将相应的楔形构件保持在自由状态，楔形构件在相应的楔形导向槽的底表面和紧固构件的外周表面之间自由移动，手和右手楔形区域，每个楔形区域将相应的楔形构件保持在捕获状态，其中楔形构件被夹在相应楔形导向槽的底表面和紧固构件的外周表面之间。扳手设置有用于操作保持器的切换机构。通过使用切换机构，保持器被移动到楔形构件面对相应的自由区域的位置，楔形构件面对相应的左侧楔形区域的位置或楔形构件面对的位置相应的右侧楔形区域。

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