Harvesters – Gang
Patent
1991-01-25
1992-02-04
Novosad, Stephen J.
Harvesters
Gang
56 152, 56 136, 56 169, 56DIG10, 56DIG22, 280 61, A01D 3406, A01D 3466
Patent
active
050850423
ABSTRACT:
A riding mower includes a frame, front steering wheel, two rear wheels and two mower blade housings located laterally relative to the frame with blades located within the housings. Telescoping drive shafts extend generally longitudinally from a belt drive mechanism located at a rearward end of the frame to the blade housings to drive each of the blades within the housings. Hydraulic cylinder assemblies and a leveling system are provided to pivot the frame with respect to the rear wheels and about a longitudinal axis in response to changes in slope of the surrounding terrain, maintaining the frame in a generally upright orientation. The telescoping drive shafts extend and retract in response to the angular movement of the frame with respect to the blade housings that remain close to the ground surface.
REFERENCES:
patent: 2750204 (1956-06-01), Ohrmann
patent: 2764864 (1956-10-01), Kinkead
patent: 2909342 (1959-10-01), Maltby
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patent: 3670834 (1972-06-01), Rogers
patent: 4316356 (1982-02-01), Planeta
patent: 4538400 (1985-09-01), Hottes
patent: 4707971 (1987-11-01), Forpahl et al.
patent: 4916889 (1990-04-01), Molstad
patent: 4926621 (1990-05-01), Torras
DewEze Manufacturing, Inc.
Novosad Stephen J.
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