Lawn mower including planetary clutch/brake

Details Lawn mower including planetary clutch/brake Lawn mower including planetary clutch/brake

1981-04-09

1982-11-30

Hafer, Robert A.

Harvesters

Motorized harvester

With selective control of drive means

192 4R, 74785, A01D 6910

Patent

active

043609996

ABSTRACT:
Disclosed is a lawn mower including an input shaft selectively drivingly connected to an output shaft supporting the cutting blade. The lawn mower includes a sun gear driven by the input shaft, a first planetary gear in enmeshing relation with the sun gear and supported for rotation around the input shaft and for rotation about an axis parallel to the input shaft, and a ring gear surrounding the sun gear and the first planetary gear, and in enmeshing relation with the first planetary gear. A second planetary gear is drivingly connected to the first planetary gear, and is rotationally driven by the first planetary gear. A second sun gear is connected to the output shaft for driving the output shaft, the second sun gear being in enmeshing relation with the second planetary gear. Apparatus is further provided for alternately braking the ring gear and the output shaft.

REFERENCES:
patent: 2902888 (1959-09-01), Powischill et al.
patent: 4148173 (1979-04-01), Hoff

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