Harvesters – Motorized harvester – With selective control of drive means
Patent
1993-05-05
1994-11-08
Melius, Terry Lee
Harvesters
Motorized harvester
With selective control of drive means
56 118, 56DIG4, 56DIG10, 56DIG22, A01D 3466
Patent
active
053615662
ABSTRACT:
A belt drive mechanism for transmitting power from a vehicle's power source to a mower deck vertically shiftably coupled with the vehicle, and having a primary belt driven by an output sheave coupled with the vehicle power source, a double pulley jacksheave driven by the primary belt, and a secondary belt driven by the jacksheave and operatively engaged with mower deck sheaves which drive mower blades within the mower deck. A support member extends between the mower deck and the vehicle for supporting the jacksheave, the support member being pivotal with respect to both the mower deck and the vehicle for shifting the position of the jacksheave to a position vertically between the output sheive and the mower deck sheaves as the mower deck shifts vertically. The jacksheave pivots with the support member to assume a tilted position when the mower deck is shifted vertically.
REFERENCES:
patent: 3461654 (1969-08-01), Plamper
patent: 4120136 (1978-10-01), Rose
patent: 4352210 (1982-04-01), Marto
patent: 4779406 (1988-10-01), Schoeder
patent: 4813215 (1989-03-01), Chase et al.
patent: 4817728 (1989-04-01), Schmid et al.
patent: 4914898 (1990-04-01), Jenkins et al.
patent: 5012632 (1991-05-01), Kuhn et al.
Sales brochure entitled: "John Deere F500 Series Front Mowers", published by Deere & Co. in 1992, front cover and pp. 1-3.
Parts Catalog entitled: "F510 and F525 Front Mowers", published by John Deere Horicon Works in Oct. 1992, front cover and pp. 60-4, 60-5, 70-16, 70-17, 70-18, 70-19, 70-19A and 70-19B.
Deere & Company
Melius Terry Lee
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