US 12,759,115 B2Granted

Wrench with anti-penetration effect

OwnerKung-Cheng Chen, Pei-Yang Leeinventors

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Abstract

A wrench with anti-penetration effect has a body, at least one wrench head, and at least one abutting unit. The at least one wrench head is formed on an end of the body and has at least one engaging portion disposed on an inner side of the at least one wrench head. Each one of the at least one engaging portion has two engaging faces connected to each other with an inclined angle and disposed between a top surface and a bottom surface of the at least one wrench head. The at least one abutting unit is transversally formed on the top surface of the at least one wrench head by punching and extended out of the inner side of the at least one wrench head.

Claims31

Dependent claims

A wrench with anti-penetration effect comprising:

a body being an elongated panel;
at least one wrench head formed on an end of the body, and each one of the at least one wrench head having
an inner side;
a top surface;
a bottom surface;
at least two engaging portions disposed on the inner side of the at least one wrench head, and each one of the at least two engaging portions having two engaging faces connected to each other with an inclined angle and disposed between the top surface and the bottom surface of the at least one wrench head;
and
a curved portion formed in the inner side of the at least one wrench head between the at least two engaging portions of the at least one wrench head;
and
at least one abutting unit transversally and integrally formed on the top surface of the at least one wrench head by punching and extended out of the inner side of the at least one wrench head.

7 more elements

Dependencies are inferred from the claim text.