Cutting – Tool or tool with support – Toothed blade or tooth therefor
Patent
1974-02-27
1977-05-24
Meister, J. M.
Cutting
Tool or tool with support
Toothed blade or tooth therefor
83835, 83837, B49C 6102
Patent
active
040247856
ABSTRACT:
The invention relates to a spiral saw blade wherein the teeth are divided into two or more groups with gaps or cut-outs between the groups of teeth, such gaps or cut-outs being void of teeth. The gaps or cut-outs are disposed diametrally opposite each other on the spiral saw blade, and, hence, on rotation the centrifugal forces go through the middle point of the saw blade and their maximum values are directed toward the groups of teeth respectively. Also, the invention provides teeth of varying heights with the first tooth of each group of least height and each succeeding tooth of progressively higher height, with a magnitude of height of the lowest compared to the highest no more than 2% of the diameter of the saw blade. The invention also provides a reinforcing salient in front of the first tooth of each tooth group which protects the first tooth from excessive stresses.
REFERENCES:
patent: 336661 (1886-02-01), Peck
patent: 1358533 (1920-11-01), Elston
patent: 1715375 (1929-06-01), Mansfield
patent: 2756787 (1956-07-01), Siese
patent: 2845102 (1958-07-01), Woodell
patent: 3082524 (1963-03-01), Schaeffer
patent: 3690357 (1972-09-01), Lugo
patent: 3730038 (1973-05-01), Farb
Meister J. M.
W. F. Meyers Company, Inc.
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