Working vehicle with a speed maintaining apparatus

Motor vehicles – Power – Including traction motor of kind driven by noncompressible...

Reexamination Certificate

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Details

C074S479010, C074S48000R, C074S481000

Reexamination Certificate

active

07458438

ABSTRACT:
A working vehicle with a speed maintaining apparatus having a plurality of wheels including at least one driven wheel; a vehicle body supported by the plurality of wheels; an engine supported by the vehicle body; a stepless transmission driven by the engine and capable of changing speed of power to the driven wheel; a neutral return device for biasing the stepless transmission toward a neutral position; a change speed pedal operatively connected to the stepless transmission; a speed maintaining device for maintaining the stepless transmission in a desired speed position; a speed setting lever movable to a retreat position and to positions in a forward speed range for setting the stepless transmission to the desired speed position in which the stepless transmission is maintained by the speed maintaining device; a relay rocking element connected to the stepless transmission through an auxiliary rocking element pivotable relative to the relay rocking element; and a control member provided in the speed maintaining device to be movable with the speed setting lever.

REFERENCES:
patent: 3537328 (1970-11-01), Allen
patent: 3606957 (1971-09-01), Fuzzell
patent: 3898891 (1975-08-01), Colloton
patent: 4608879 (1986-09-01), Ishida et al.
patent: 4641545 (1987-02-01), Rabe
patent: 5211070 (1993-05-01), Hirata et al.
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patent: 6250414 (2001-06-01), Sato et al.
patent: 6279937 (2001-08-01), Hunt
patent: 6347560 (2002-02-01), Maezawa et al.
patent: 6708805 (2004-03-01), Samejima et al.
patent: 7337870 (2008-03-01), Izukura et al.
patent: 2004-211776 (2004-07-01), None

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