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:
May. 19, 1987

Filed:

Dec. 27, 1985
Applicant:
Inventor:

Shoji Ito, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13762521 ; 91536 ;
Abstract

A transfer switch for differential type actuators which includes a body having an internal space, a plurality of pairs of output ports connected with the internal space for supplying pressure to a plurality of differential type actuators, a flat control plate rotatable on the output ports, passages of two routes being arranged on one surface of the control plate which are connectable selectively with the plurality of output ports, input ports connected with the individual passes, and a rotary mechanism for changing over selectively the position of the control plate, whereby the function of the differential type actuator can be exerted fully and a plurality of differential type actuators can be controlled selectively and reliably.


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