Cutlery – Blades – Rotary
Patent
1984-03-26
1985-11-12
Watts, Douglas D.
Cutlery
Blades
Rotary
144219, 144220, 407 42, 407 51, 407 61, 408227, D27G 1300
Patent
active
045519188
ABSTRACT:
A set of two cutting units are located on the end of a tool to be rotated. The cutting units are radially aligned and on a bevel. Each blade on each cutting unit has a radial rake of at least 60 degrees, a clearance angle, and serrations cut at an angle normal to the cutting edge to provide a series of points extending along that cutting edge.
REFERENCES:
patent: 2317262 (1943-04-01), Dugevoir
patent: 2889861 (1959-06-01), Kolimbat
patent: 3358720 (1967-12-01), Henderson
patent: 4133361 (1979-01-01), Martinu
patent: 4248553 (1981-02-01), Uraemer
patent: 4252481 (1981-02-01), Virieg
Case Morris A.
DeVogel Nicolaas
Donahue B. A.
The Boeing Company
Watts Douglas D.
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