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:
Jul. 12, 1988
Filed:
Dec. 12, 1986
Applicant:
Inventors:
Assignees:
Kyoho Machine Works, Ltd., Aichi, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01B / ; B23K / ;
U.S. Cl.
CPC ...
92 65 ; 92150 ; 92151 ; 219 7815 ;
Abstract
An actuator including a first cylinder chamber and a second cylinder chamber defined as separate entities in a cylinder for receiving a first piston and a second piston therein respectively. One of the first and second cylinder chambers is connected to an oil pressure source and the other cylinder chamber is connected to an air pressure source. A piston rod of the first piston and a piston rod of the second piston which move in relative sliding movement have at their forward ends separate operating portions for performing operations on a common workpiece.