Lawn mower blade replacement cutting edge apparatus

Details Lawn mower blade replacement cutting edge apparatus Lawn mower blade replacement cutting edge apparatus

1990-05-07

1991-05-28

Kisliuk, Bruce M.

Harvesters

Cutting

Cutter members

30335, 30337, 30349, A01D 3473

Patent

active

050183478

ABSTRACT:
An apparatus wherein an elongate lawn mower blade body includes a forwardly extending flange and a rearwardly extending flange, wherein each flange includes a slot extending along the flange spaced from an end edge surface of the cutting blade a predetermined distance. A polymeric replacement blade, including a "T" shaped projection directed rearwardly of the blade, is receivable within the slot, wherein the blade includes a top and bottom surface aligned with a respective top and bottom surface of the associated blade body. Modifications of the invention include metallic reinforcement cast within the blade and optionally utilizing an "S" shaped blade to position the blade underlying the blade body.

REFERENCES:
patent: 2576884 (1951-11-01), Leigh
patent: 2869311 (1959-01-01), Beeston, Jr.
patent: 3545189 (1970-12-01), Gillespie et al.
patent: 3665692 (1972-05-01), Hughes
patent: 3762138 (1973-10-01), Michael
patent: 4375148 (1983-03-01), Beck
patent: 4445315 (1984-05-01), Roszkowski
patent: 4611460 (1986-09-01), Parker
patent: 4651510 (1987-03-01), Malutich
patent: 4750320 (1988-06-01), Liebl
patent: 4779407 (1988-10-01), Pattee

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