Turf aerator with improved bearings for lateral tine movement

Details Turf aerator with improved bearings for lateral tine movement Turf aerator with improved bearings for lateral tine movement

1992-04-06

1993-05-11

Reese, Randolph A.

Earth working

Lawn aerator or perforator, or plug remover

172118, 172 97, 172457, 384571, A01B 4502

Patent

active

052093069

ABSTRACT:
An apparatus for aerating turf including a mounting frame (11) for mounting the apparatus to the hydraulic lift system (12) of a utility tractor. A trailer support frame (13) is pivotably mounted to the mounting frame (11) so as to enable the trailer support frame (13) to tilt toward and away from engagement with the turf. A plurality of rotary hoes (39) are supported within the trailer support frame (13) along a drive shaft (41). Each rotary hoe (39) has a double row tapered roller bearing assembly (53) mounted on the drive shaft (41) at an angle tilted from the longitudinal axis (70) of the drive shaft, causing the rotary hoe to wobble from side-to-side (B, B') in response to the rotation of the drive shaft.

REFERENCES:
patent: 1224346 (1917-05-01), Wingquist
patent: 1840552 (1932-01-01), Ackerman
patent: 2759310 (1956-08-01), Newkirk
patent: 3706346 (1972-12-01), Vissers
patent: 4202415 (1980-05-01), Barlage
patent: 4883371 (1989-11-01), Matsumoto
patent: 5029652 (1991-07-01), Whitfield

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