Geometrical instruments – Area integrators – Electrical
Patent
1981-04-27
1983-04-26
Powell, William A.
Geometrical instruments
Area integrators
Electrical
40595, 156234, 156235, 156299, 428207, 428914, B41B 100, B32B 3116, G09F 716
Patent
active
043808743
ABSTRACT:
Methods for sign-making using dry transfer of letters from carrier sheets allow any of a number of different character sizes and row spacings to be provided. A carrier sheet bearing characters of a desired size is positioned relative to a carriage in dependence upon whether a row to be formed contains all upper case characters, or some or all lower-case characters. The carriage is movable smoothly in a horizontal direction to allow any desired horizontal spacing of characters, but movable vertically only in discrete increments. A plurality of row spacing indicators are positionable adjacent a sign blank to afford a preview of how characters of a given size having a given spacing will appear on a sign blank.
REFERENCES:
patent: 3013917 (1961-12-01), Karlan et al.
patent: 3690013 (1972-09-01), Leptrone
patent: 3803729 (1974-04-01), Acerra
patent: 3945141 (1976-03-01), Frost
Bokan Thomas
Powell William A.
Scott Machine Development Corporation
Stephens Richard G.
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