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. 10, 1985
Filed:
Sep. 21, 1984
Applicant:
Inventor:
Yutaka Hashimoto, Ayase, JP;
Assignee:
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
13759613 ; 91530 ;
Abstract
A multiple control valve system comprises a multiple control valve as a main body, an additional attachment valve operatively connected to the multiple control valve, a logic valve oil-tightly fitted to the multiple control valve so as to be communicated with oil passages formed in the multiple control valve, and a change-over valve operatively connected to a spool located in the attachment valve so as to be communicated with oil passages of the attachment valve and connected to the logic valve through a conduit.