Harvesters – Motorized harvester – Including motorized vehicle causing transit of harvester
Patent
1990-07-26
1991-11-19
Melius, Terry L.
Harvesters
Motorized harvester
Including motorized vehicle causing transit of harvester
56 171, 56DIG9, 56DIG14, A01D 3464, A01D 3468
Patent
active
050655680
ABSTRACT:
A mower deck height adjustment mechanism having a frame coupled to a rear base unit having driven wheels. Ground engaging wheels support the frame, and a deck is coupled to the frame. A crank handle is coupled to a transverse bar that is fixed to a lower parallel member. The operator turns the crank handle to pivot the bar and lower parallel member to thereby raise and lower the front of the deck. A bell crank couples the rear of the deck to the crank handle. The bell crank is carried by and shifts vertically with a connecting member supported by the front of the deck. As the front of the deck shifts vertically, the connecting member, bell crank, and rear portion of the deck also shift vertically. The bell crank is also operatively coupled with the bar for pivoting therewith, which also causes the rear portion of the deck to shift vertically.
REFERENCES:
patent: 3755998 (1973-09-01), Hoffmeyer
patent: 4325211 (1982-04-01), Witt et al.
patent: 4441306 (1984-04-01), Kuhn
patent: 4700536 (1987-10-01), Torras
patent: 4704848 (1987-11-01), Nannen
patent: 4715168 (1987-12-01), Oxley
patent: 4747257 (1988-05-01), Hutchison
patent: 4760687 (1988-08-01), Siegrist
patent: 4835952 (1989-06-01), McLane
John Deere Horicon Works; entitled "F510 and F525 Front Mowers"; published in the United States in 1988; front cover, inside cover, and pp. 49 and 50.
John Deere Horicon Works: entitled "John Deere Front Mowers for Residential Use"; published in the United States in 1988; front page.
John Deere Horicon Works; entitled "48 and 52-Inch Commercial Walk-Behind Mowers Operator's Manual"; published in the United States in 1988; front cover, inside cover, and pp. 14 and 15.
Hesston Corporation; entitled "Woods Mow'n Machine"; published in the United States in 1988; front cover, and pp. 2 and 3.
Braun Stephen A.
Cutshall Donald L.
O'Neill Michael J.
Deere & Company
Melius Terry L.
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