Valve operating structure

Details Valve operating structure Valve operating structure

1989-09-28

1992-03-24

Braun, Leslie A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74471XY, G05G 900

Patent

active

050976281

ABSTRACT:
A valve operating structure for a working vehicle having different control valves with slide spools extending parallel to each other. A control lever is operatively connected to an interlocking member for selectively operating the control valves. The valve operating structure comprises an interlock switching mechanism for moving the interlocking member between a position to engage one slide spool and a position to engage another slide spool. The interlocking member is pivotable about a point located at substantially the same distance to the two spools, with a free end thereof extending to a position between the spools. The two interlocking positions are selectively provided by connecting the free end to one of the spools.

REFERENCES:
patent: 2193218 (1940-03-01), Best
patent: 4524635 (1985-06-01), Hulin et al.
patent: 4553446 (1985-11-01), Matsubara
patent: 4612829 (1986-09-01), Fukaya et al.
patent: 4619152 (1986-10-01), Suzuki
patent: 4646778 (1987-03-01), Tsuji et al.
patent: 4736647 (1988-04-01), Shimoie et al.

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