US 12,138,754 B2
Covering structure for wrench head
Chih-Ching Hsieh, Taichung (TW)
Assigned to KABO Tool Company, Taichung (TW)
Filed by KABO Tool Company, Taichung (TW)
Filed on Jun. 27, 2022, as Appl. No. 17/809,119.
Claims priority of application No. 110124223 (TW), filed on Jul. 1, 2021.
Prior Publication US 2023/0001546 A1, Jan. 5, 2023
Int. Cl. B25B 23/00 (2006.01); B25B 13/46 (2006.01)
CPC B25B 23/0007 (2013.01) [B25B 13/463 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A covering structure for a wrench head, comprising:
a head portion of a wrench, wherein the head portion has an end surface concavely provided with a receiving chamber, and the head portion is concavely provided with a recess at an opening of the receiving chamber; and
a cover plate having a peripheral surface, wherein the cover plate is mounted in the recess to close the receiving chamber, and the cover plate has a diameter slightly greater than a diameter of the recess;
the covering structure being characterized in that the cover plate is not fixed by any connecting element but is fixed in the recess by a peripheral wall of the recess, and a tight interference fit is formed between the peripheral surface of the cover plate and the peripheral wall of the recess.