Title: Single lever control system

Abstract: A control system for simultaneously controlling a plurality of fluid operated devices with a single control lever is disclosed herein. The control lever is pivoted about a fixed axis to a plurality of distinct positions and has a plurality of camming surfaces with linkage means between each camming surface and an associated control device. The camming surfaces are configured so that only one or both of the control devices are shifted in response to pivotal movement of the control lever from one distinct position to another and the control devices are alternatively shifted as the control lever is moved through the plurality of distinct positions.

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Inventors: Huitema, Thomas W. (Racine, WI, US)

Application Number: 884647
Filing Date: 1978-03-08
Publication_date: 1980-08-05
Assignee: J. I. Case Company (Racine, WI)
Primary Class(es): 192/3.54 74/471R, 477/111
Other Classes:
US Patent Ref:

691968	Jan, 1902	Paine	74/471.
1436422	Nov, 1922	Wiles	74/874.
1667842	May, 1928	Coykendall	74/471.
2031807	Feb, 1936	Werner	192/0.
2691080	Oct, 1954	Kellogg	74/471.
3469472	Sep, 1969	Bislew	74/761.
3541876	Nov, 1970	Gressard	74/471.
3687248	Aug, 1972	Holub	192/3.
4048869	Sep, 1977	Johnson	74/471.

Other Refs:
Primary Examiner: Herrmann, Allan D.
Assistant Examiner:
Attorney: Dressler, Goldsmith, Shore, Sutker & Milnamow, Ltd.