Circle cutting system

Details Circle cutting system Circle cutting system

1990-02-08

1991-05-14

Watts, Douglas D.

Geometrical instruments

Scriber

Curved line

33 27031, 3016495, 225 96, 83886, B26D 308, C03B 3310

Patent

active

050144367

ABSTRACT:
Apparatus for manually cutting circles from glass utilizes a center support structure, in combination with a rule having a distance scale thereon, and a cutting head adjustably mounted on the rule. Reversal of the position of the cutting head on the supporting rule adapts it for use with either of two different forms of cutting components.

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patent: 4858322 (1989-08-01), Kluga
patent: 4939968 (1990-07-01), Stoof

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