Single-channel microfiche master

Details Single-channel microfiche master Single-channel microfiche master

1980-08-04

1985-02-05

Mancene, Gene

Card, picture, or sign exhibiting

Register, or file

Hinge mounted file item or file item support

40158B, 40159, 40359, 40124, 312184, B42F 500

Patent

active

044971281

ABSTRACT:
A single-channel microfiche master housing a strip of microfilm containing one or more frames of reduced scale images, the master being manipulatable in one axial direction only by optical readers and other microfiche-handling machines. The master is constituted by a rectangular tab having a pair of keyhole notches at spaced positions in the lower edge thereof and a single channel transparent jacket accommodating the microfilm strip, one end of the jacket being secured to the tab at a position intermediate the notches to form a T-shaped structure. The microfiche master may be stored in a standard pull-out drawer by a raised pair of rails which is bridged by the tab, the rails passing through the notches whereby the jacket is suspended therebelow in the drawer.

REFERENCES:
patent: 2889647 (1959-06-01), Roman
patent: 3336690 (1967-08-01), Walter et al.
patent: 3807074 (1974-04-01), Owens et al.
patent: 3860119 (1975-01-01), Irvine et al.
patent: 3931885 (1976-01-01), Nahill et al.
patent: 4178844 (1979-12-01), Ward et al.
patent: 4193218 (1980-03-01), Mermelstein
patent: 4274216 (1981-06-01), Boyd

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