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:
Jan. 26, 1982
Filed:
Jun. 25, 1979
Hiroshi Sugawa, Minami-Nagasaki, Toshima-ku, Tokyo, JP;
Other;
Abstract
An actuator operable to serve concurrently or selectively as a rotary actuator and/or as a linear motion actuator is provided, which comprises a piston-cylinder unit (20, 21), a pair of substantially parallel output shafts (22, 22) having axes substantially perpendicular to the central axis of the cylinder (20) and respectively including confined portions sealingly enclosed in the fluid-tight chamber defined by the cylinder and exposed portions projecting via seal means (45) out of said fluid-tight chamber, a substantially non-extensible and substantially flexible shut-in power transmission element (26) fixedly connected to the piston of said piston-cylinder unit at the substantial center thereof and having ends fixedly connected relative to said confined portions of said pair of substantially parallel output shafts (22, 22), and a shut-out power transmission element (27) having ends fixedly connected relative to said exposed portions of said pair of substantially parallel output shafts (22, 22), said shut-in and shut-out power transmission elements (26, 27) in combination with said paired output shafts (22, 22) being operatively associated such that they constitute a complete pulley system to be driven responsive to the reciprocal movement of said piston (21) to transmit linear motion and/or rotational actuating powers.