Patent ID: 11965540
Assignee: NATIONAL KAOHSIUNG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 1:
2. The hand tool for bolts fastening according to claim 1, wherein the through hole is circular, and the through hole runs through the front side face and the rear side face, a hole diameter of the through hole is greater than a hole diameter of the first bolt hole, an extending portion extends outward from a side of the jig body away from the through hole, the extending portion is disposed with a second cutting slot running through the front side face and the rear side face, the second cutting slot extends to the first cutting slot and meets the first cutting slot, an upper- and- lower width of the first cutting slot is greater than an upper-and-lower width of the second cutting slot, the second cutting slot defines an upper clamping portion and a lower clamping portion disconnected up and down by the extending portion, the upper clamping portion and the lower clamping portion are disposed with a penetrating hole penetrating longitudinally, and a first bolt is screwed with a nut after the first bolt is inserted into the upper clamping portion and the lower clamping portion.