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:
Sep. 30, 1997
Filed:
Aug. 22, 1995
Applicant:
Inventors:
Kazuhisa Otsuka, Minamitsuru-gun, JP;
Akira Tanaka, Minamitsuru-gun, JP;
Assignee:
Fanuc Ltd., Yamanashi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B25J / ;
U.S. Cl.
CPC ...
2941191 ; 294907 ; 901 32 ; 901 46 ;
Abstract
A robot hand is provided with a bifinger unit integrally including a pair of fingers for grasping a workpiece therebetween, a finger feed unit for moving the pair of fingers between a predetermined open position and a closed grasping position, a single servomotor driving the feed mechanism to thereby move the pair of fingers so that a constant predetermined holding force is applied to the workpiece from the pair of fingers during the grasping operation of the fingers of the bifinger unit of the robot hand irrespective of the weight, the size, the shape or the surface condition of the workpiece.