Optics: image projectors – Picture carrier
Patent
1976-06-28
1978-08-08
Engle, Samuel W.
Optics: image projectors
Picture carrier
40363, G03B 2100, G03B 2312
Patent
active
041053192
ABSTRACT:
A plastic microfiche carrier has a central clearance for enabling an insertion of a replaceable microfiche film in the carrier. The corners of the carrier are tapered to facilitate an alignment of the carrier, and therefore the microfiche in a library file housed within the cartridge. The front or leading edge of the carrier is concave in the width dimension with a bullet-like nose double taper in the thickness dimension to guide and direct the microfiche, as it slips into and out of the library file.
REFERENCES:
patent: 3153870 (1964-10-01), Carlton
patent: 3293786 (1966-12-01), Anderson
patent: 3324918 (1967-06-01), Miller
patent: 3797925 (1974-03-01), Smitzer
patent: 3844649 (1974-10-01), Walter et al.
patent: 3973344 (1976-08-01), Frankel
patent: 3974582 (1976-08-01), Jantzen, Jr.
patent: 3980402 (1976-09-01), Holliday
patent: 3997256 (1976-12-01), Wells
Kearney Robert L.
Wells Thomas R.
Bell & Howell Company
Engle Samuel W.
Palo Ralph
Samlan Alan B.
Thibault Harry G.
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