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公开(公告)号：US10350735B2
公开(公告)日：2019-07-16
申请号：US15851745
申请日：2017-12-22
申请人： YuTu Hsu
发明人： YuTu Hsu
摘要： An open-end wrench is provided. A push head of an operating handle is accommodated in a coupling slot of a jaw. A portion of an inclined guide surface, first and second clamping surfaces and a swing support point normally extend to a jaw opening. When the open-end wrench is used to screw or unscrew a hexagonal screw member, a first entrance guide surface and a second entrance guide surface of the jaw guide a pair of sides of the hexagonal screw member for the hexagonal screw member to enter the jaw opening, and five sides of the hexagonal screw member can be clamped quickly to enhance the convenience for screwing or unscrewing the hexagonal screw member. In addition, the hexagonal screw member won't slide out of the jaw opening during the backswing process of the operating handle so as to screw or unscrew the hexagonal screw member stably.
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公开(公告)号：US20180117741A1
公开(公告)日：2018-05-03
申请号：US15851745
申请日：2017-12-22
申请人： YuTu Hsu
发明人： YuTu Hsu
CPC分类号： B25B13/28 , B25B13/08 , B25B13/46 , B25B23/0007
摘要： An open-end wrench is provided. A push head of an operating handle is accommodated in a coupling slot of a jaw. A portion of an inclined guide surface, first and second clamping surfaces and a swing support point normally extend to a jaw opening. When the open-end wrench is used to screw or unscrew a hexagonal screw member, a first entrance guide surface and a second entrance guide surface of the jaw guide a pair of sides of the hexagonal screw member for the hexagonal screw member to enter the jaw opening, and five sides of the hexagonal screw member can be clamped quickly to enhance the convenience for screwing or unscrewing the hexagonal screw member. In addition, the hexagonal screw member won't slide out of the jaw opening during the backswing process of the operating handle so as to screw or unscrew the hexagonal screw member stably.
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