Cutting – Tool or tool with support – Toothed blade or tooth therefor
Patent
1991-04-17
1992-06-09
Watts, Douglas D.
Cutting
Tool or tool with support
Toothed blade or tooth therefor
83697, 30355, 30394, B27B 3302
Patent
active
051197081
ABSTRACT:
This invention relates to saw blades for use in reciprocating hand-manipulated saws. The blades of the invention have a straight, untoothed edge lying parallel to the longitudinal axis of the blade and a toothed edge wherein at least 30% of the toothed edge is curved.
REFERENCES:
patent: 229772 (1880-07-01), Suisse
patent: 1481055 (1924-01-01), Fullbright
patent: 3496973 (1970-02-01), Ballard
patent: 4907344 (1990-03-01), Hahn
Dexter Clark F.
Hendricks Glenna
Watts Douglas D.
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