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:
Nov. 01, 2016

Filed:

Mar. 11, 2015
Applicant:

Fanuc Corporation, Minamitsuru-gun, Yamanashi, JP;

Inventor:

Tadanori Suzuki, Yamanashi, JP;

Assignee:

Fanuc Corporation, Minamitsuru-gun, Yamanashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 15/00 (2006.01); B25J 9/16 (2006.01); B25J 13/08 (2006.01); G01G 9/00 (2006.01);
U.S. Cl.
CPC ...
B25J 9/1697 (2013.01); B25J 13/087 (2013.01); Y10S 901/47 (2013.01);
Abstract

A robot system for successively taking out bulk stacked workpieces of the same type, wherein a hand of a robot comprises: a base part attached to an arm, a cylinder device with a cylinder and a piston rod, and a gripping part attached to a front end part of the piston rod. The robot system further comprises a fluid pressure adjusting device which adjust a fluid pressure inside of the cylinder, a movement detecting device which detects a retracting movement of the piston rod, and a judgment device which judge if the hand is gripping a designated number of workpieces, based on a magnitude of fluid pressure inside the cylinder and detection results of the movement detecting device.


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