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1. 发明授权

US07721630B2 Automatic sizing one-handed locking pliers 有权
标题翻译：自动尺寸单手锁定钳
公开(公告)号：US07721630B2
公开(公告)日：2010-05-25
申请号：US11637965
申请日：2006-12-13
申请人： Robert E. Hunter
发明人： Robert E. Hunter
IPC分类号： B25B7/12 , B25B7/00 , B25B7/22
CPC分类号： B25B7/123
摘要： An automatically adjustable locking pliers or tool includes a jaw fixed to a first handle and a jaw that pivots about the first handle. The pivoting jaw is connected to a lower tightening handle. A lever connects the tightening handle and first handle. A self-adjusting sizing and locking mechanism includes a thumb jaw sizing piece located near the jaws and movable to open the jaws so that they can be sized around a workpiece. When the thumb jaw sizing piece is released, the jaws automatically size and clamp lightly around the workpiece. The locking mechanism uses balls between a locking rod and a tapered surface. Locking occurs when the balls wedge between the rod and the tapered surface. A release cylinder is connected to a release paddle movable to unlock the mechanism. The sizing piece and locking mechanism are operable to automatically size and lock the pliers or tool.
摘要翻译：可自动调节的锁定钳或工具包括固定到第一把手上的钳口和围绕第一手柄枢转的钳口。枢转夹爪连接到下紧固手柄。杠杆连接紧固手柄和第一把手。自动调节尺寸和锁定机构包括位于钳口附近的拇指钳尺寸片，并可移动以打开钳口，使得它们可围绕工件定尺寸。当拇指爪尺寸片被释放时，夹爪自动地大小并轻轻地夹紧在工件周围。锁定机构使用锁定杆和锥形表面之间的球。当球在杆和锥形表面之间楔入时发生锁定。释放气缸连接到可移动以释放机构的释放桨。尺寸片和锁定机构可操作以自动调整和锁定钳子或工具。

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