发明名称 RATCHET HANDLE
摘要 A ratchet handle includes a detent. A front part of the detent has a first meshing portion and a second meshing portion to mesh with a ratchet gear. An accommodation recess is provided between the first meshing portion and the second meshing portion. An auxiliary member is provided in the accommodation recess. The auxiliary member has a curved surface corresponding to an outer contour of the ratchet gear. The ratchet handle further includes an operating device. The operating device is operated to turn the detent so as to control the first meshing portion or the second meshing portion to mesh with the ratchet gear. The detent of the present invention is turned with less noise and moved stably.
申请公布号 US2014290442(A1) 申请公布日期 2014.10.02
申请号 US201313984006 申请日期 2013.05.20
申请人 SHANGHAI EASY-USE TOOLS ENTERPRISE CO. LTD. 发明人 Sun Shiyu
分类号 B25B13/46 主分类号 B25B13/46
代理机构 代理人
主权项 1. A ratchet handle, comprising a handle and a detent, a front part of the detent having a first meshing portion and a second meshing portion to mesh with a ratchet gear, a first curved slide portion and a second curved slide portion disposed behind the first meshing portion and the second meshing portion, an accommodation recess provided between the first meshing portion and the second meshing portion, an auxiliary member provided in the accommodation recess, the auxiliary member having a curved surface corresponding to an outer contour of the ratchet gear, a rear end of the auxiliary member having a first curved contact portion and a second curved contact portion; the handle having an axial trough at one end thereof, the ratchet gear being secured in the axial trough, one side of the axial trough being formed with a control trough to secure an operating device and the auxiliary member, the operating device controlling the detent with the first meshing portion or the second meshing portion to mesh with the ratchet gear; wherein after the first meshing portion meshes with the ratchet gear, the first curved slide portion is against an inner wall of the control trough and able to slide relative to the inner wall of the control trough, and the first curved contact portion is against an inner wall of the accommodation recess and able to slide relative to the accommodation recess; wherein after the second meshing portion meshes with the ratchet gear, the second curved slide portion is against the inner wall of the control trough and able to slide relative to the control trough, and the second curved contact portion is against the inner wall of the accommodation recess and able to slide relative to the accommodation recess.
地址 Shanghai CN
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