Motor vehicles – Power – Including traction motor of kind driven by noncompressible...
Reexamination Certificate
2005-07-05
2005-07-05
Ellis, Christopher P. (Department: 3618)
Motor vehicles
Power
Including traction motor of kind driven by noncompressible...
C180S006700, C180S009100, C180S307000, C180S367000
Reexamination Certificate
active
06913103
ABSTRACT:
A hydraulically driven traveling vehicle comprising a pair of right and left driving axles (driving sprockets) differentially connected to each other by a differential mechanism, the input section of the differential mechanism having the output rotation of traveling HST110(110) transmitted thereto, both driving sprockets having mutually opposite two-flow output rotations separately transmitted thereto from a steering HST (120), thereby effecting traveling driving and turning, electromagnetic solenoids (61a,61b,62a,62b) serving as output regulating devices for the traveling HST and the steering HST being provided so that the manipulated variables and directions of a speed change lever and a steering operation tool are converted into electric signals, on the basis of which electric signals the output current values of the electromagnetic solenoids are controlled, causing the respective output rotary speeds of the HSTs to correspond to the output current values.
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Hasebe Takeshi
Katou Katsunori
Kitasaka Yuji
Miwa Toshiyuki
Ellis Christopher P.
Knobbe Martens Olson & Bear LLP
Swenson Brian
Yanmar Co. Ltd.
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