Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent
1982-08-27
1984-10-30
Hayes, Monroe H.
Photocopying
Projection printing and copying cameras
Focus or magnification control
355 63, G03B 2752
Patent
active
044797125
ABSTRACT:
Apparatus for producing an enlargement of a graphic image including a light tight housing having an extended hollowed out central area and a light tight aperture located at one end thereof which is adapted to receive and pass a graphic image to be enlarged to a predetermined location along the center axis of and at one end of the hollowed out housing, a lens shroud including a planar lens support having a fixed focal length lens located in the center thereof and sidewalls extending therefrom and positioned with the fixed focal lens located adjacent the predetermined location and wherein the lens shroud is moveable within the hollowed out central area over a preselected distance to position the fixed focal length lens at any location within the preselected distance and in alignment with the predetermined location, a gantry housing, including sidewalls for defining a passageway which terminates in an opening at one end thereof and a planar matt support at the other end thereof wherein the gantry housing is moveably located within the hollowed out central area and in slideable light tight sealing engagement with the housing and with the opening thereof located in slideable light sealing engagement with the lens shroud sidewalls enabling the lens shroud and gantry housing to be moved towards and away from each other and to the housing and wherein the planar mat support located at the other end of the passage way is adapted to receive and position a strip of material having a base material with a coated surface thereon and wherein the gantry housing is moveable within a second preselected distance to position the planar mat support at any location within the second preselected distance in alignment with the predetermined location and a differential operating mechanism which is operatively coupled to the lens shroud and to the gantry housing for selectively moving the same towards and away from each other enabling the lens to focus an image of a graphic image located at the predetermined location onto the planar mat surface is shown.
REFERENCES:
patent: 1103342 (1914-07-01), Becker
patent: 2786384 (1957-03-01), Guppy
patent: 3832058 (1974-08-01), Gusovius
patent: 3989373 (1976-11-01), Craig
patent: 4220410 (1980-09-01), Bloodgood
Hayes Monroe H.
Meaney, Jr. Daniel J.
Prof. Bloodgood's Photographic Emporium, Inc.
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