Mower blades

Details Mower blades Mower blades

1974-02-22

1976-08-24

Mancene, Louis G.

Harvesters

Cutting

Cutter members

30350, A01D 5518

Patent

active

039758915

ABSTRACT:
This invention relates to mower blades made of metal with an inner layer of extremely hard material and so devised that attrition in use serves to maintain a sharp cutting edge.

REFERENCES:
patent: 222711 (1879-12-01), Lane
patent: 230948 (1880-08-01), Lane
patent: 1414997 (1922-05-01), Zinn
patent: 3302377 (1967-02-01), Ely
patent: 3313633 (1967-04-01), Longo
patent: 3340049 (1967-09-01), Quaas et al.
patent: 3342626 (1967-09-01), Batchelor
patent: 3360848 (1968-01-01), Saia
patent: 3369354 (1968-02-01), Freedlander et al.
patent: 3428442 (1969-02-01), Yurasko

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