Patent ID: 9415490
Filing Date: 2016-08-16
CPC Classification: B25B

Claim Text:
1. A mounting structure of a hand tool, comprising: a cylindrical body having a mounting portion formed on a first end thereof, the mounting portion located parallel to an axis of the body, multiple protrusions and multiple recesses alternatively formed in an inner periphery of the mounting portion, each of the protrusions and the recesses extending parallel to the axis of the body, each of the protrusions connected to each of the recesses adjacent thereto by a first conjunction line which is parallel to the axis of the body, the mounting portion having an opening located at the first end of the body, a first face defined annularly in an inner periphery of the opening of the mounting portion, the first face connected to an end of each of the protrusions and the recesses, a second face being defined in one end of each protrusion and located in the opening, the first face intersecting the second faces at an angle, the first face being located closer to the first end of the body than the second faces, a first angle defined between the first face and a first end face of the body, a second angle defined between the second face and the first end face of the body, the first angle being different from the second angle, wherein the first angle being larger than the second angle, the first angle being 30 to 60 degrees, the second angle being 20 to 30 degrees, the first angle being 1.5 to 2 times of the second angle, a second conjunction line is formed between the first face and each of the second faces of the protrusion, each of the second conjunction lines intersects the first conjunction line corresponding thereto at a conjunction point, a support portion integrally formed on the first end face of the first end of the body, the support portion extending from an edge of the first face.