Cutting – Other than completely through work thickness or through work... – Scoring
Patent
1979-05-17
1980-10-07
Yost, Frank T.
Cutting
Other than completely through work thickness or through work...
Scoring
83582, 83886, 225 96, B26D 308, C03B 3310
Patent
active
042261538
ABSTRACT:
A glass scoring head which compensates for variation in the flatness of the glass to provide a score of uniform depth as it traverses the glass has an outer body adapted to be mounted in four possible positions to a bridge or the like to score glass in four different directions. This support body defines an air cylinder with an elongated annular piston means movably mounted therein. A pair of pressure rollers are journalled on the lower end of the piston means to bear on the glass with a force proportional to the air pressure in this cylinder. An elongated support tube is slidably mounted inside the annular piston means, and a second air cylinder urges the tube downwardly to supplement a spring acting between the second air cylinder piston and the tube. The glass scoring wheel is mounted in the lower end of the elongated tube, and threaded stop nuts are provided on the annular piston and on the support tube to adjust the down limit position of these pressure rollers, and the differential spacing between these rollers and the scoring wheel.
REFERENCES:
patent: 3280676 (1966-10-01), Grzymislanwski
patent: 3742793 (1973-07-01), Gray et al.
patent: 3821910 (1974-07-01), Tjaden
patent: 4137803 (1979-02-01), Goldinger
The Fletcher-Terry Company
Yost Frank T.
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