US 11,931,867 B2
Socket used in coordination with wrench
Chih-Min Chang, Changhua County (TW); and Chia-Hui Peng, Taichung (TW)
Assigned to Yu-Ching Chen, Changhua County (TW)
Filed by Yu-Ching Chen, Changhua County (TW)
Filed on Dec. 12, 2019, as Appl. No. 16/711,949.
Claims priority of application No. 108123987 (TW), filed on Jul. 8, 2019.
Prior Publication US 2021/0008693 A1, Jan. 14, 2021
Int. Cl. B25B 13/06 (2006.01); B25B 23/00 (2006.01)
CPC B25B 13/06 (2013.01) [B25B 23/0035 (2013.01)] 6 Claims
OG exemplary drawing
 
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.