Operator control system

Details Operator control system Operator control system

G - Physics

05

G

214/13

G05G 9/04 (2006.01)

Patent

CA 1270796

ABSTRACT OF THE DISCLOSURE An operating control system for a lift truck controlled from a single multi-function operator hand control which is located and designed for improved operator comfort, convenience, simplicity and to reduce operator fatigue. The sole hand control for directional and speed control and the operation of all hydraulic functions of the truck related to the handling of loads is recessed in a compartment adjacent one side of the truck and supported from a control shaft which extends forwardly, leftwardly and downwardly and along which the control handle may be pushed or pulled linearly to control all such hydraulic truck functions. The grip handle is rotatable to control direction and speed of the truck. Switch controls are located conveniently adjacent the one end of the rotatable grip handle far selecting a variety of hydraulic functions by the same movements forwardly and rearwardly of the operator control handle along the control shaft. Electrical and hydraulic systems control the various hydraulic functions and are operatively connected to the control handle for operator selection of direction and speed of the truck as well as simultaneous operation of any selected hydraulic function one at a time only.

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