Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1992-05-21
1993-11-23
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
74474, 188378, G05G 1100, G05G 114
Patent
active
052633853
ABSTRACT:
A speed control system for a working vehicle having a stepless transmission with a speed control shaft disposed on one side thereof and shiftable between a driving region and a neutral position. This speed control system includes a shift lever disposed on one side of a driver's section for setting a traveling speed of the tractor, while the speed control shaft of the stepless transmission is disposed on the other side of the driver's section. The shift lever is operatively connected to the speed control shaft through a link mechanism. The link mechanism includes a neutralizing mechanism in an intermediate position thereof adjacent the shift lever for returning the speed control shaft to the neutral position.
REFERENCES:
patent: 3537328 (1970-11-01), Allen
patent: 4341129 (1982-07-01), Bando
patent: 4507980 (1985-04-01), Nishiyama et al.
patent: 4608879 (1986-09-01), Ishida et al.
patent: 4620575 (1986-11-01), Cuba et al.
patent: 5020644 (1991-06-01), Novoa
Hirata Kazuo
Ishiizumi Seiichi
Herrmann Allan D.
Kubota Corporation
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