Earth working – With drive means for tool or cleaner – With specific relationship of mast-type hitch to implement
Patent
1987-11-20
1989-02-21
Mitchell, David M.
Earth working
With drive means for tool or cleaner
With specific relationship of mast-type hitch to implement
172 47, 172272, 180 144, 180 531, 280475, 2804901, A01B 5900
Patent
active
048059277
ABSTRACT:
A hitch adapter couples a semi-integral, PTO-driven implement to a quick coupler carried by a tractor three-point hitch. The hitch adapter includes a drawbar located significantly below the level of the connection of lower three-point hitch link with the quick coupler and a parking stand is integral with the bottom of the drawbar. Lowering of the three-point hitch from a normal working position results in the stand engaging the ground to prevent interference between the hitch and the drive shaft coupling the implement to the tractor PTO shaft. Once the stand engages the ground, the hitch adapter can be disconnected from the quick coupler hooks by releasing latches associated with the lower hooks and lowering the three-point hitch.
REFERENCES:
patent: 2462588 (1949-02-01), Wondra
patent: 3450220 (1969-06-01), Frandsen et al.
patent: 3961812 (1976-06-01), Von Allworden
patent: 4090725 (1978-05-01), Perin
patent: 4210209 (1980-07-01), van der Lely
patent: 4549744 (1985-10-01), Herr et al.
patent: 4738461 (1988-04-01), Stephenson et al.
Richardson Craig A.
Stephenson Roger D.
Walters James C.
Deere & Company
Mitchell David M.
Watts Charles R.
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