Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1977-02-07
1978-06-06
Scott, Samuel
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74474, 74877, 192 0096, G05G 900, B60K 4100
Patent
active
040928764
ABSTRACT:
A control linkage system is disclosed for simultaneous control of an engine throttle or governor and a hydrostatic transmission from a single control pedal. The system includes unidirectional linkage means including a pair of lost motion links mounted for reciprocal movement at opposed ends of a lever rotatable in either direction by the single pedal. The lost motion links extend outwardly in the same general direction and are coupled at a common pin with the throttle control linkage through a rocker arm. Each lost motion linkage is retractable upon motion of the linkage system in one direction. A second bidirectional linkage means, including an override link, is interconnected to the pedal and a swash plate control member of the hydrostatic transmission.
REFERENCES:
patent: 2097391 (1937-10-01), Fageol
patent: 2730214 (1956-01-01), Scott
patent: 3691863 (1972-09-01), Shaffer
patent: 3995510 (1976-12-01), Yost
Ferrell Don E.
Scott Samuel
Towmotor Corporation
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