The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 25, 2014

Filed:

Mar. 29, 2010
Applicants:

Shinnosuke Kawai, Osaka, JP;

Mitsuhiro Takasaki, Osaka, JP;

Inventors:

Shinnosuke Kawai, Osaka, JP;

Mitsuhiro Takasaki, Osaka, JP;

Assignee:

Engineer Inc., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention provides a pair of pliers capable of properly pinching a screw head and reliably removing a screw from an object to which the screw has been fastened even if the screw has small thickness of a peripheral face to be pinched between pinching teeth. The pair of pliers is formed by coupling a first armand a second armeach having a jaw portionand a gripthrough a coupling shaftin an X shape. Each of the jaw portionsis provided on left and right sides of a front end thereof with flanksfor preventing opposite corners of front ends of each of the jaw portionsfrom coming in contact with a screw fastened face. Each of the jaw portionsalso comprises longitudinal pinching teethcapable of pinching the peripheral face of the screw headso as to be recessed in opposed faces of the respective jaw portionsbetween the left and right flanks. Each of the longitudinal pinching teethis formed by connecting, in shapes of peaks and troughs, a plurality of streak teethin a front-back direction. Due to the flanks, front endsof the streak teethinitially collide with the screw fastened face, so that the longitudinal pinching teethcan reliably pinch the peripheral face of the screw head


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Kawai, Shinnosuke. (2014). Plier (U.S. Patent No. 8656812). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8656812

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