Cutting – Tool or tool with support – Toothed blade or tooth therefor
Patent
1977-03-02
1978-07-25
Spruill, Robert Louis
Cutting
Tool or tool with support
Toothed blade or tooth therefor
83855, 407 61, B27B 3302, B27B 3308
Patent
active
041022327
ABSTRACT:
A saw tooth insert, for securing to a saw plate, comprises a front cutting surface containing two adjacent grooves extending for substantially the entire height of the cutting face and substantially radially outward from the rotational axis of the saw plate. The lower portions of the grooves end on opposite sides of the saw plate and the upper portions of the grooves form a central cutting edge between them and external cutting edges on each side of the cutting face where the grooves meet the side surfaces of the insert.
REFERENCES:
patent: 3154839 (1964-11-01), Kleber
patent: 3358720 (1967-12-01), Henderson
Cage Kenneth M.
Turner C. Warren
Black Clawson Inc.
Spruill Robert Louis
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