초록 ▼

An axle driving unit having a housing (21,22) for supporting a first axle (17) for mounting thereon a first driving wheel (3L), and a longer second axle (18) for mounting thereon a second driving wheel (3R). The axle driving unit is eccentrically mounted on a body frame (1) in proximity to the first

An axle driving unit having a housing (21,22) for supporting a first axle (17) for mounting thereon a first driving wheel (3L), and a longer second axle (18) for mounting thereon a second driving wheel (3R). The axle driving unit is eccentrically mounted on a body frame (1) in proximity to the first driving wheel (3L). A speed change transmission (T) is disposed in an enlarged region of the housing that extends substantially perpendicularly with respect to the axles (17,18). The axle driving unit can thus be easily disposed to the side of a chute (6) of a rear-discharge type lawn tractor.

대표청구항 ▼

[ What is claimed is:] [1.] An axle driving unit comprising:a housing including at least two housing parts joined with each other along a joining surface;an axle disposed within said housing;a speed change transmission disposed within said housing, wherein said speed change transmission comprises a

[ What is claimed is:] [1.] An axle driving unit comprising:a housing including at least two housing parts joined with each other along a joining surface;an axle disposed within said housing;a speed change transmission disposed within said housing, wherein said speed change transmission comprises a hydraulic pump and a hydraulic motor fluidly connected to each other through a center section shaped as a flat plate, wherein said center section is substantially vertically centered within said housing and is disposed substantially parallel to said joining surface of said at least two housing parts;an input shaft connected to said hydraulic pump, said input shaft disposed substantially perpendicular to said axle and projecting outwardly from said housing;an output shaft connected to said hydraulic motor, said output shaft disposed substantially parallel to said input shaft;a counter shaft for transmitting power from said output shaft to said axle, disposed substantially perpendicular to said output shaft and substantially parallel to said axle within said housing; anda gear train connecting said output shaft to said axle, fixedly or rotatably mounted on said counter shaft, wherein said gear train is disposed opposite said hydraulic motor with respect to said center section.