Aerator

Details Aerator Aerator

1993-09-24

1995-03-21

Taylor, Dennis L.

Earth working

Lawn aerator or perforator, or plug remover

172 78, 172 43, 172122, 172244, 172259, 172260, 172397, 172358, 172540, A01B 4502, A01B 7300, A01B 6300

Patent

active

053987683

ABSTRACT:
An aerator includes a frame supported on a pair of forward drive wheels and a pair of rearward caster wheels. An aerator head is mounted on a pivot frame on the forward end of the aerator frame, pivotable to move the aerator head from a disengaged position above the ground, downwardly to an engaged position wherein tines on the aerator head work the soil. The pivot frame includes a forwardly projecting arm upon which the aerator head is mounted, and a rearwardly projecting arm upon which the forward wheels of the frame are mounted, such that movement of the pivot frame will engage either the forward wheels of the frame or the aerator head with the ground. The aerator head is mounted forwardly of the forward end of the frame such that the tines on the aerator head form the forward most part of the aerator.

REFERENCES:
patent: 2638831 (1953-05-01), Ferguson et al.
patent: 3236312 (1966-02-01), Vivas
patent: 3870604 (1971-03-01), Allard
patent: 4192387 (1980-03-01), Stinson
patent: 4867244 (1989-09-01), Cozine et al.
patent: 4921051 (1990-05-01), Annen
patent: 5207278 (1993-05-01), Hatlen

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