Geometrical instruments – Scriber
Patent
1992-10-22
1994-06-21
Cuchlinski, Jr., William A.
Geometrical instruments
Scriber
33 323, 83614, B26D 104
Patent
active
053218922
ABSTRACT:
An object of this invention is to improve the sharpness of cutting and to prolong the longevity of the blade by increasing the cutting speed with a rotation of the round blade cutter that is more than the normal rotation of 1:1.
The base 34 is linked with the drawing head 8 by means of the detachable hook 16 and the hook receiver 32, and when the base 34 moves along the rail 6 with the drawing head 8, the rubber roller 46 rotates with the friction with the paper-mounting plate 2. The rotation of the rubber roller 46 is transmitted to the round blade cutter 40 by means of the speed increasing mechanism, and the round blade cutter 40 rotates at a high speed in the same direction with the rubber roller 46 and moves along the cutter groove 4 to cut the paper 12.
REFERENCES:
patent: 1853498 (1932-04-01), Bliven
patent: 3130499 (1964-04-01), Hanneken et al.
patent: 3548502 (1970-12-01), Baldwin
patent: 4152962 (1979-05-01), Hendrischk
patent: 5036740 (1991-08-01), Tsai
patent: 5146823 (1992-09-01), Holmes
Cuchlinski Jr. William A.
Fulton C. W.
Mutoh Industries Ltd.
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