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.
Patent No.:
Date of Patent:
Jun. 13, 1995
Filed:
Nov. 22, 1993
Applicant:
Inventor:
Donald B Bickler, Temple City, CA (US);
Assignee:
California Institute of Technology, Pasadena, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B25B / ;
U.S. Cl.
CPC ...
81302 ; 81418 ; 81426 ;
Abstract
The spreading pliers of the invention include a pair of handles, self-locking linkage which rotatably couples together the pair of handles, the self-locking linkage including a shank rotatably coupled to the ends of both handles at respective pivot points thereon, a first plier end connected to the shank and a second plier end connected to one of the handles, one of the first and second plier ends permitting the other for pass therebetween to an unspread position, the self-locking linkage rotating the first and second plier ends away from one another as the handles are squeezed together to a spread position.