Cutting – Other than completely through work thickness or through work... – Scoring
Patent
1987-09-25
1989-04-11
Schran, Donald R.
Cutting
Other than completely through work thickness or through work...
Scoring
3016495, C03B 3312
Patent
active
048195359
ABSTRACT:
A glass cutting apparatus is provided which has a handle portion which allows it to be pushed along the surface of the to-be-cut glass without unnatural or stressful rotation of the wrist and while still maintaining the cutting element portion substantially straight or perpendicular with respect to the to-be-cut glass. The glass cutting apparatus includes an elongated body portion having a glass scoring element secured to one end, and a handle member located at the end of the body portion which is opposed to the glass scoring element end. The handle member includes a portion which extends at an angle to the axial center line of the body portion, as projected, which extended portion is shaped to fit comfortably in the user's hand at the crotch formed between the thumb and the forefinger, while the tips of the user's thumb and forefinger hold the body portion and guide the glass cutting element. This allows the hand which holds the glass cutting apparatus of the present invention to be held in a comfortable position without unnatural or stressful bending or twisting of the user's hand or wrist, while the glass cutting apparatus is pushed in front of the hand.
REFERENCES:
patent: 1547451 (1925-07-01), Scott
patent: 2516668 (1950-07-01), Barrett
patent: 2775276 (1956-12-01), Rossner
patent: 2849041 (1958-08-01), Vetri
patent: 4215472 (1980-08-01), Raven
patent: 4283852 (1981-08-01), Hooper
Margolis Donald W.
Schran Donald R.
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