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:
Feb. 24, 1998
Filed:
Jan. 30, 1997
Masahisa Kawamura, Amagasaki, JP;
Hideki Amano, Nishinomiya, JP;
Kanzaki Kokyukoki Mfg. Co., Ltd., Amagasaki, JP;
Abstract
In a working vehicle including a first control valve assembly (15) for controlling the operation of a hydraulic lift cylinder (14), a cylinder case (13) of the lift cylinder includes, at one of its side surfaces, a vertical seating surface (52) on which a second control valve assembly (20) for controlling the operation of plural another hydraulic actuators (18, 19) is mounted. The second valve assembly includes plural control valve spools (31, 32) which extend in the valve case axially of the vehicle at levels different from one another. Of ports in the valve case, fluid inlet port (26), fluid outlet port (27) for conducting fluid towards the first valve assembly which is mounted on the cylinder case preferably at a lower surface thereof, and fluid drain port (30) open at the seating surface for connecting these ports directly to corresponding fluid passages in the cylinder case, while fluid output ports (28A, 28B, 29A, 29B) for conducting fluid towards the actuators open at an outer side surface of the valve case.