发明名称 PASS-THRU RATCHET WRENCH
摘要 A pass-thru ratchet wrench includes a wrench body. A front end of the wrench body has a head portion. A ratchet is provided in the head portion. The ratchet has a receiving hole to receive a socket. The ratchet has a first neck portion at an upper edge thereof and an annular groove around the outer wall of the first neck portion. The annular groove has a certain depth. The ratchet has a plurality of through holes in annular groove. A C-shaped buckle ring is disposed in the annular groove. The C-shaped buckle ring extends out of the through holes to form a limit portion. The limit portion is adapted to stop the socket, thereby the receiving hole of the ratchet can limit the socket from displacing.
申请公布号 US2015075332(A1) 申请公布日期 2015.03.19
申请号 US201414288967 申请日期 2014.05.28
申请人 CHEN Chia-Yu 发明人 CHEN Chia-Yu
分类号 B25B13/46;B25B13/04 主分类号 B25B13/46
代理机构 代理人
主权项 1. A pass-thru ratchet wrench having a wrench body, a front end of the wrench body being formed with a head portion, the head portion having a through accommodation trough therein, the accommodation trough being adapted to receive a ratchet in an axial direction, the ratchet having a polygonal receiving hole therein, an inner wall of the receiving hole having a plurality of connecting surfaces, the receiving hole being adapted to receive a socket, characterized by: the ratchet having a first neck portion at an upper edge thereof and an annular groove around an outer wall of the first neck portion, the junction of every two adjacent connecting surfaces of the receiving hole being formed with a through hole; a C-shaped buckle ring disposed in the annular groove of the ratchet, wherein when the C-shaped buckle ring is buckled in the annular groove, the C-shaped buckle ring is exposed and extends out of the through holes of the adjacent connecting surfaces of the receiving hole to form a plurality of limit portions.
地址 Taichung City TW