Aerator appartus with retractable turf penetrating members

Details Aerator appartus with retractable turf penetrating members Aerator appartus with retractable turf penetrating members

1996-03-26

1997-09-02

Melius, Terry Lee

Earth working

Lawn aerator or perforator, or plug remover

Earth removing

56 167, A01D 7528, A01D 3486

Patent

active

056621728

ABSTRACT:
An aerator apparatus, having retractable penetrating blade members, for attachment to lawnmowers is shown. The aerator apparatus includes a support disc affixed to the face of a lawnmower wheel with a pivot disc pivotally connected thereto. Sandwiched between the support disc and the pivot disc are a number of blades which are pivotally mounted to the support disc. The pivot disc includes fixed tracking pins which slideably reside in slots in the support disc in the blades. When the pivot disc is rotated clockwise about the central pivot pin, the blades are urged outward into an open position via a slot and fixed pin arrangement. The pivot disc can be locked relative to the support disc to secure the position of the blades.

REFERENCES:
patent: 2700926 (1955-07-01), Goit
patent: 2730856 (1956-01-01), Mekalainas
patent: 3057411 (1962-10-01), Carlton
patent: 3221822 (1965-12-01), Dedoes
patent: 4589252 (1986-05-01), Williams

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