Hydrostatic transaxle

Details Hydrostatic transaxle Hydrostatic transaxle

2006-07-14

2009-02-10

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

C074S417000

Reexamination Certificate

active

07487635

ABSTRACT:
In a housing of a hydrostatic transaxle, an HST including mutually fluidly connected hydraulic pump and motor, an axle, and a deceleration gear train interposed between the hydraulic motor and the axle are disposed. The deceleration gear train includes an L-shaped counter shaft. The L-shaped counter shaft consists of mutually perpendicular first and second shaft portions. The first shaft portion is disposed in parallel to a motor shaft of the hydraulic motor. The second shaft portion is disposed in parallel to the axle. A first gear fitted on the motor shaft meshes with a second gear fitted on the first shaft portion. A third gear fitted on the second shaft portion meshes with a fourth gear fitted on the axle.

REFERENCES:
patent: 488681 (1892-12-01), Scholfield
patent: 1233084 (1917-07-01), McMurray
patent: 4580460 (1986-04-01), Chang et al.
patent: 6758112 (2004-07-01), Ishii et al.

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