Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-05-12
1979-04-10
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 536
Patent
active
041481585
ABSTRACT:
A device is disclosed for grinding the blades of a lawn mower unit without disassembling the lawn mower blade reel from its supporting structure. The device is capable of both single blade grinding and spin grinding and is adjustable so that virtually any relief angle can be cut in the lawn mower blade edge.
REFERENCES:
patent: 1967118 (1934-07-01), Glasgow
patent: 2279798 (1942-04-01), Shelburne
patent: 2314945 (1943-03-01), Maynard
patent: 2438835 (1948-03-01), Weimar
patent: 2469077 (1949-05-01), Rickenmann
patent: 2777258 (1957-01-01), Avra
patent: 2780034 (1957-02-01), Turner
patent: 3045398 (1962-07-01), McEwan
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