Transmission for self-propelled walking mowers

Details Transmission for self-propelled walking mowers Transmission for self-propelled walking mowers

1996-09-03

1998-07-14

Melius, Terry Lee

Harvesters

Motorized harvester

With selective control of drive means

56 169, 56DIG6, A01D 3468, A01D 3482

Patent

active

057786453

ABSTRACT:
In a transmission (10) comprising a casing (12), a vertical input shaft (13) having an upper end which extends upwardly of the casing and carries an input pulley (14), and a horizontal wheel axle (18) for driving a pair of mower-drive wheels (3), the input shaft intersects the wheel axle at a location in close proximity to the axle and is supported by top and bottom walls (12a, 12b) of the casing. The vertical shaft and horizontal axle are connected by a hypoid gearing (26) having a hypoid pinion (27) mounted on the shaft and a larger hypoid gear (29) mounted on the axle. The transmission has a compact configuration while the input shaft is supported in a stable manner and while the transmission efficiency between the shaft and axle is kept high. Preferably, the larger hypoid gear is rotatably mounted on the axle and a frictional clutch (32) is disposed between the gear and axle.

REFERENCES:
patent: 4117652 (1978-10-01), Jones et al.
patent: 4557104 (1985-12-01), Toillie et al.
patent: 4689939 (1987-09-01), Seyerle
patent: 4841794 (1989-06-01), Hikishima
patent: 4896487 (1990-01-01), Hikishima et al.

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