Cutting – Other than completely through work thickness or through work... – Scoring
Patent
1983-04-22
1985-01-22
Schran, Donald R.
Cutting
Other than completely through work thickness or through work...
Scoring
83563, 83648, 83881, C03B 3302
Patent
active
044944446
ABSTRACT:
An apparatus for cutting glass wherein a scoring element is pivotally connected to the upper arm of a substantially U-shaped member. The lower arm of such member is clamped to a housing and may be rotated with respect thereto such that the upper arm and thus the scoring element may be moved to various positions overlying the top surface of the supporting table for the sheet of glass or other material. A roller or wheel that projects slightly above the supporting surface and which may be motor driven is used to frictionally guide the sheet beneath the scoring element. In order to apply the necessary pressure between the scoring element and the sheet, a force or jacking mechanism is supported between the upper and lower arm so as to force the arms apart to a spread position. Thereafter the scoring element is positioned against the glass surface and the jacking element released such that the arms move together by inherent spring tension so as to apply the desired predetermined force upon the glass sheet. The primary use of the apparatus is to facilitate arts and crafts projects involving the use of intricately cut glass shapes but more broadly includes the cutting and scoring of other sheet material such as wall and floor tile and the like.
REFERENCES:
patent: 3945278 (1976-03-01), Strauss et al.
patent: 4120220 (1978-10-01), Mullen
patent: 4222300 (1980-09-01), El-Habr
patent: 4385540 (1983-05-01), Dieter
patent: 4437376 (1984-03-01), Flint
Doherty Robert J.
Schran Donald R.
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