Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1975-06-30
1977-03-29
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74478, 74480R, 74513, 192 098, G05G 1300, G05G 908, G05G 1100
Patent
active
040142183
ABSTRACT:
A apparatus for the control of a transmission and throttle of a forklift or the like to provide simultaneous control of a transmission position and the throttle position.
The apparatus includes a reciprocally and rotatably moveable control rod and a transmission control lever oppositely reciprocable from a neutral position to forward and reverse displacement positions, coupled to and responsive to the movement of the control rod in first and second translational passageways. A throttle control lever is also coupled to and responsive to the movement of the control rod for controlling the throttle responsive to movement of the control rod in the first and second translational passageways and in a third translational passageway. The third translational passageway is defined by first and second wall members which are substantially parallel. The first and second passageways are formed by the first wall member and a fourth wall member and the second wall member and a third wall member respectively. Forward and reverse footpedals are coupled to the control rod by linkage means whereby actuation of the forward footpedal causes the control rod to move along the first passageway thereby opening the throttle and positioning the transmission in the forward position, actuation of the reverse footpedal causes the control rod to move along the second passageway thereby opening the throttle and positioning the transmission in the reverse position, actuation of both the forward and reverse footpedals causes the control rod to open the throttle while leaving the transmission in the neutral position.
REFERENCES:
patent: 3228504 (1966-01-01), Funk
patent: 3691863 (1972-09-01), Shaffer
Brandt Manufacturing Co.
Herrmann Allan D.
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