Three-piece wrench
AssigneeKabo Tool Company
InventorChih-Ching Hsieh
Life of this patent
Estimating the term…
Abstract
The present invention relates to a three-piece wrench comprising: a wrench body with a working head and a shaft, the working head is located at a front end of the shaft, the shaft has a length; a first extension rod with a length; and a second extension rod with a length; the lengths of the first extension rod and the second extension rod are greater than the length of the shaft; combination of the wrench body, the first extension rod and the second extension rod provides various usage lengths of the wrench, so that different connection types can be used to form required lengths according to requirements.
Claims7
A three-piece wrench including:
- a wrench body having a shaft and a working head, the working head being located at a front end of the shaft, the shaft having a length;
- a first extension rod with a length;
- a second extension rod with a length;
- two rear combination portions respectively provided at rear ends of the shaft and the first extension rod, each said rear combination portion of the two rear combination portions has a same and uniform cross section extending a length thereof;
- and
- two front combination portions respectively provided at front ends of the first extension rod and the second extension rod, each of the front combination portions and each of the rear combination portions being detachably combined;
- the lengths of the first extension rod and the second extension rod being greater than the length of the shaft;
- and
- the wrench body, the first extension rod and the second extension rod providing variations in combination of various lengths of usage for the wrench;
- wherein the length of the second extension rod is greater than the length of the first extension rod;
- wherein each of the rear combination portions is respectively formed with an insertion slot, each of the front combination portions is respectively formed with a plug, and each of the plugs is capable of inserting into or detaching from each of the insertion slots.
Dependencies are inferred from the claim text.