Dethatching apparatus with independently rotating sets of tines

Details Dethatching apparatus with independently rotating sets of tines Dethatching apparatus with independently rotating sets of tines

1994-04-28

1995-04-25

Suchfield, George A.

Harvesters

Motorized harvester

Including motorized vehicle causing transit of harvester

56 166, 56249, 172 21, A01B 4500, A01B 3448, A01B 5712, A01D 3448, A01D 5712

Patent

active

054088135

ABSTRACT:
An improved ground-driven dethatching apparatus having at least two sets of independently rotating sets of dethatching tines. Each tine set is positioned along an independently rotating tine shaft which is rotated by a separate drive linkage and ground-engaging wheel. This arrangement ensures adequate torque to rotate the shafts and uniform dethatching when changing directions. The dethatcher automatically adjusts tine height, for example, in response to obstructions or variations in ground conditions.

REFERENCES:
patent: 2476084 (1949-07-01), Cour
patent: 2924057 (1960-02-01), Sonmore
patent: 3512345 (1970-05-01), Smith
patent: 3678671 (1972-07-01), Scarnato et al.
patent: 4776404 (1988-10-01), Rogers et al.
patent: 4802536 (1989-02-01), O'Neal
patent: 5036651 (1991-08-01), Nelson
3 Pages of Sears Lawn & Garden Sale Catalog (undated).

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