Valve control lockout

Details Valve control lockout Valve control lockout

1986-02-25

1987-11-10

Husar, Cornelius J.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74526, 180333, G05G 916

Patent

active

047049154

ABSTRACT:
A single-lever control lockout for a boom and bucket control lever. The lever is selectively movable in both fore-and-aft and side-to-side directions to control the lowering and raising of the boom and the roll back and dumping of the bucket. A cover encloses the control valve and the control lever extends through an opening in the cover. A lockout is slidably attached to the lever and is movable within the cover opening between a locked position where the lockout engages the cover, and a free position where the lockout is spaced from the cover thus allowing free movement of the lever in all directions.

REFERENCES:
patent: 2525865 (1950-10-01), Chisolm et al.
patent: 2729986 (1956-01-01), Frobel
patent: 3365975 (1968-01-01), Hathaway
patent: 3556549 (1971-01-01), Hershman
patent: 3818154 (1974-06-01), Presentey
patent: 4432431 (1984-02-01), Russell
John Deere 245 Loader Operator's Manual, om-W28503, Issue Al, p. 87 (Jan. 1981).
Letter & attached picture of Kubota Lockout for Loaded Boom Circuit Only-shown at the Farm Progress Show-Marion, Iowa on Sep. 28 & 29, 1983.

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