Hydraulic steering transaxle and hydraulic driving vehicle

Details Hydraulic steering transaxle and hydraulic driving vehicle Hydraulic steering transaxle and hydraulic driving vehicle

2007-04-17

2007-04-17

Le, David D. (Department: 3681)

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

C475S083000, C074S60600R, C074S607000

Reexamination Certificate

active

10948739

ABSTRACT:
A steering transaxle comprises: left and right drive shafts drivingly connected to respective steerable wheels; a differential gear unit differentially connecting the drive shafts to each other; a transaxle casing having an opening and incorporating the differential gear unit and the drive shafts; a cover for covering the opening of the transaxle casing; a variable hydraulic motor having a movable swash plate; a motor control mechanism for controlling the movable swash plate; and a hydraulic oil port for oil supply and delivery to and from the hydraulic motor, the hydraulic oil port being provided on the outside of the cover. The hydraulic motor is provided on the inside of the cover, and the motor control mechanism is provided on the outside of the cover.

REFERENCES:
patent: 4856368 (1989-08-01), Fujisaki et al.
patent: 4886142 (1989-12-01), Yamaoka et al.
patent: 4893524 (1990-01-01), Ohashi et al.
patent: 6237708 (2001-05-01), Kawada
patent: 6732828 (2004-05-01), Abend et al.
patent: 6926111 (2005-08-01), Irikura
patent: 6932179 (2005-08-01), Sakikawa et al.
patent: 64-004535 (1989-01-01), None
patent: 2000-001127 (2000-01-01), None
patent: 2002-172946 (2002-06-01), None

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