Cutting – Tool or tool with support – Rotatable type
Patent
1975-01-24
1976-01-13
Meister, J. M.
Cutting
Tool or tool with support
Rotatable type
83349, 83342, 26 15R, D06C 1300
Patent
active
039317501
ABSTRACT:
Helical shear blade cutter cooperable with a straight-edge bed plate for trimming fibers projecting from an article, including a shaft, and a blade in the form of a helical band wound edgewise on and about the shaft, the helical blade having a free edge forming a cutting edge from which a cutting face of the blade extends inwardly toward the shaft, the cutting face being formed with a serration to limit lateral yielding of the fibers as the fibers are being sheared by the cutting edge and the straight edge of the bed plate, the serration including saw-like teeth, respectively, having a short and a long flank, the long flank, in a condition wherein the shaft is disposed parallel to the straight-edge bed plate, forming a first angle with respect to the straight edge of the bed plate that is equal to the difference between a second angle formed by the cutting face of a blade without serrations formed therein and the straight edge of the bed plate and a third angle formed by the long flank and the cutting face of the blade without serrations formed therein.
Jabs Hartmut
Wiemers Minny
Gattersleben Anneliese
Gattersleben Hermann
Heusch Severin
Lerner Herbert L.
Meister J. M.
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