Patent ID: 11964365
Assignee: FINE FORGE INDUSTRY CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. The hand tool of claim 1, wherein the at least one tooth includes a plurality of teeth, the plurality of the teeth includes a first tooth and a plurality of second teeth, the plurality of the second teeth are located at opposing sides of the first tooth, a second central line of the first tooth intersects with the axis; when the first tooth is in inserted within the positioning slot, portions of the two blocking walls of the first tooth within the positioning slot are in gapless surface contact with the two side walls; when the second tooth is inserted within the positioning slot, the portion of one of the two blocking walls of the second tooth within the positioning slot is in gapless surface contact with one of the two side walls, and the portion of the other of the two blocking walls of the second tooth within the positioning slot and the other of the two side walls form a gap therebetween.