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:
Dec. 12, 2006
Filed:
Jun. 03, 2005
Kazuki Matsumoto, Tokyo, JP;
Kazushi Nomura, Tokyo, JP;
Ryuzo Yagishita, Tokyo, JP;
Nambu Co., Ltd., Tokyo, JP;
Abstract
A cylinder chamberat the front of a direct-acting type actuator sectionis connected to a cylinder chamberat the front of an oscillating type actuator sectionthrough a sequence valve with check valve. Further, a cylinder chamberin the rear of the direct-acting type actuator sectionis connected to a cylinder chamberin the rear of the oscillating type actuatorthrough a stop valve. Portsandare provided for connecting passages between the cylinder chamberand the sequence valve with check valveand between the cylinder chamberand the stop valve, respectively, for distribution control of a working fluid. According to the setting conditions of the respective valvesand, the piston rodcan perform an ordinary reciprocating motion and a motion that combines rotation and advancement.