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:
Apr. 23, 1991
Filed:
Dec. 09, 1988
Applicant:
Inventor:
Toshihiro Nishiwaki, Kanagawa, JP;
Assignee:
Obara Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 8625 ; 901 42 ;
Abstract
A tool changer for welding robot comprising: male portions of connectors provided at a substrate fixed to a robot arm side for supplying electricity, gas, air, water to the tool side from the robot arm side; and female portions of connectors to be connected to the male portions of the connectors and provided at a substrate fixed to a tool side for receiving electricity, gas, air, water from the male portions of connectors, characterized in that one pair or plural pairs of connectors serve both the connectors and a guide mechanism composed of a guide pin and a guide receiver.