Extra long wrench with reliable coupling effect
OwnerBobby Huinventor
Life of this patent
Estimating the term…
Abstract
A wrench includes an operative member and an extension. The operative member includes a first end for driving a fastener. The operative member further includes a second end having a connecting portion. The connecting portion includes an engaging hole. The extension includes a receiving hole in an end thereof. The connecting portion of the operative member is received in the receiving hole of the extension. A coupling portion protrudes inward from a perimeter wall defining the receiving hole. The coupling portion is engaged in the engaging hole of the operative member. Another operative member may be coupled to the other end of the extension.
Claims20
A wrench comprising:
- a first operative member including a first end adapted for driving a fastener, the first operative member further including a second end having a connecting portion, the connecting portion including an engaging hole;
- and
- an extension including a receiving hole in an end thereof, the connecting portion of the first operative member being received in the receiving hole of the extension, a coupling portion protruding inward from a perimeter wall defining the receiving hole, the coupling portion being engaged in the engaging hole of the first operative member.
A wrench comprising:
- a handle including two ends each having a receiving hole, a coupling portion protruding inward from a perimeter wall defining each said receiving hole;
- and
- two operative members each including a first end adapted for driving a fastener, each said operative member further including a second end having a connecting portion received in an associated one of the receiving holes of the handle, each said connecting portion including an engaging hole;
- wherein the coupling portion of each said end of the handle is engaged in the engaging hole of an associated one of the operative members.
A wrench comprising:
- a handle including first and second ends, a longitudinal through-hole extending from the first end through the second end of the handle, the longitudinal through-hole having two ends each defining a receiving hole, two coupling portions respectively protruding from two opposite walls defining each said receiving hole;
- and
- two operative members each including a first end adapted for driving a fastener, each said operative member further including a second end having a connecting portion received in an associated one of the receiving holes of the handle, each said connecting portion including an engaging hole extending from a first side through a second side of the connecting portion;
- wherein the coupling portions of each of the first and second ends of the handle are respectively engaged in two ends of the engaging hole of an associated one of the operative members.
Dependencies are inferred from the claim text.