Patent ID: 11931867
Assignee: YU CHEN
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A socket, which is used in coordination with a wrench, the socket comprising:
a socket main body having a head portion and a body portion, an end of the body portion being connected to the head portion, the body portion having a polygonal hole; and
a pipe made of composite material and detachably sleeved onto the body portion of the socket main body;
wherein an external radius of the head portion is larger than an external radius of the body portion, so that a shoulder surface is formed at a juncture of the head portion and the body portion;, a first end of the pipe is abutted against the shoulder surface;
wherein a second end of the pipe is protruded beyond a free end of the body portion to protect the free end of the body portion;
wherein an external peripheral surface of the body portion has a plurality of protruding lines arranged abreast of each other; the plurality of protruding lines are located adjacent to the shoulder surface and abutted against an internal peripheral surface of the pipe;
wherein the plurality of protruding lines protrude out of the external peripheral surface of the body portion;
wherein the composite material is carbon fiber or glass fiber;
wherein along a direction defined from the head portion to a distal end of the body portion, the protruding lines overall have a first length along the direction, and the external peripheral surface of the body portion overall has a second length along the direction; the first length is smaller than the second length
wherein the external peripheral surface of the body portion is not located between the protruding lines.