Modularized lawnmower replacement blade

Harvesters – Cutting – Cutter members

Reexamination Certificate

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Details

C056S255000

Reexamination Certificate

active

11127724

ABSTRACT:
A modularized lawnmower replacement blade which can be can be attached to a standard lawnmower shaft. The modularized blade includes a central mounting hub with four recessed seats. In the preferred embodiment, a cutting blade is attached to each recessed seat so that the blades are positioned at a right-angled orientation with respect to each other.

REFERENCES:
patent: 3247656 (1966-04-01), Phelps
patent: 3430461 (1969-03-01), Boylan
patent: 4011019 (1977-03-01), McDonald et al.
patent: 4815264 (1989-03-01), Mijnders
patent: 5430943 (1995-07-01), Lee
patent: 5640836 (1997-06-01), Lingerfelt
patent: 6112416 (2000-09-01), Bridges et al.
patent: 6427341 (2002-08-01), Lee

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