US 2012/0222523 A1Published application

Ratchet wheel wrench

AssigneeZhejiang Yiyang Tool Manufacture Co., Ltd.

InventorLi Feng

Life of this patent

Estimating the term…

Loading patent…

Abstract

This invention relates to a wrench, especially a ratchet wheel wrench. The ratchet wheel wrench includes a wrench head on which a ratchet wheel groove and a crescent groove communicating the ratchet wheel groove are attached, a ratchet wheel is disposed in the ratchet wheel groove, a ratchet tooth support is disposed at one side of in the crescent groove, a spring is disposed at one end of the ratchet tooth support; a reed is disposed at the side in the crescent groove opposite the ratchet tooth support, one end of the reed is mounted in the crescent groove along the inner wall of the crescent groove, a protuberance is disposed at the other side of the reed, the protuberance is disposed in the spring.

Claims3

Dependent claims

A ratchet wheel wrench, including a wrench head (1) on which a ratchet wheel groove (10) and a crescent groove (8) communicating the ratchet wheel groove (10) are attached, a ratchet wheel (2) is disposed in the ratchet wheel groove (10), a ratchet tooth support (6) is disposed at one side of in the crescent groove (8), a spring (4) is disposed at one end of the ratchet tooth support (6);

characterized in that a reed (3) is disposed in the crescent groove (8) at the side opposite the ratchet tooth support (6), one end of the reed (3) firmly mounted in the crescent groove (8) along the inner wall of the crescent groove (8), a protuberance (11) is disposed at the other end of the reed (3), the protuberance (11) is disposed in the spring (4), and said ratchet tooth support is a block with teeth along an inner edge.

Dependencies are inferred from the claim text.