Hydrostatic transaxle

Details Hydrostatic transaxle Hydrostatic transaxle

2011-03-08

2011-03-08

Morris, Lesley (Department: 3611)

Motor vehicles

Having at least one wheel both driven and steerable

Steerable wheel has exclusive axis of pivot

C180S252000, C180S234000, C180S233000, C180S242000

Reexamination Certificate

active

07900735

ABSTRACT:
A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units attached onto respective opposite ends of the motor casing. Each of the steerable wheel support units includes an axle, a steerable casing, a wheel, and a steering arm. In each of the steerable wheel support units, the axle is drivingly connected to the at least one output shaft, the steerable casing is substantially horizontally rotatable relative to the motor casing, the wheel is attached on an outer end of the axle outside of the steerable casing, and the steering arm is rotatably integrally provided on the steerable casing. The hydrostatic transaxle further comprises a pair of connection rods for connecting the steering arms of the steerable wheel support units to a common rotary member of a steering operation mechanism spaced forward or rearward from the hydrostatic transaxle.

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European Search Report, Application No. EP 07 10 6242, dated Aug. 19, 2008.

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