Geometrical instruments – Scriber – Parallel line
Patent
1993-08-10
1994-08-16
Cuchlinski, Jr., William A.
Geometrical instruments
Scriber
Parallel line
33566, 434117, B43L 1302
Patent
active
053374843
ABSTRACT:
A scriptwriting guidance device for use by individuals who are visually or otherwise impaired, the device acting to guide the writer's pen or other writing implement along a straight, horizontal path across a writing surface to form complete letters and other characters without interference from the device. The device includes a backboard having a shaft mounted for rotation adjacent one side edge thereof. Slidable along the shaft in incremental steps is a slide from whereby is cantilevered a guide element formed by a rectangular frame that overlies a paper sheet lying on the backboard. Disposed within the window of the frame is a rectangular template of smaller dimensions, the template having a narrow slot that defines a straight, horizontal path. The opposite ends of the template are coupled by springs to the corresponding ends of the frame whereby the template effectively floats within the window and is free to shift laterally. The writer's implement is inserted through the slot to engage the paper sheet, and as the writer forms letters, numbers and other characters along the straight path, the template shifts laterally within the window to permit completion of these characters.
REFERENCES:
patent: 980623 (1911-01-01), Frost
patent: 2562479 (1951-07-01), Spikes
patent: 3193947 (1965-07-01), Dean
patent: 3899839 (1975-08-01), Essmann
patent: 3949492 (1976-04-01), Less
patent: 4223447 (1980-09-01), Greenlees
patent: 4364184 (1982-12-01), Dowzall
patent: 4679328 (1987-07-01), Saad
Cuchlinski Jr. William A.
Ebert Michael
Wirthlin Alvin
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