Microfilm retrieval apparatus

Details Microfilm retrieval apparatus Microfilm retrieval apparatus

1990-04-17

1991-12-24

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 719, 242195, G03B 2100

Patent

active

050744828

ABSTRACT:
A microfilm retrieval apparatus is capable of retrieving a desired image from images recorded on a microfilm by winding a microfilm, which wound on a cassette reel, on a take-up reel after one end of the microfilm has been wound on the take-up reel and held thereby, and rewinding the microfilm on said cassette reel, the take-up reel comprising a shaft member, a take-up member which is rotatably supported by the shaft member and on the outer periphery of which the microfilm is wound, and two disks which are rotatably supported by the shaft member at both ends of the take-up member and which are rotated around the shaft member together with the take-up member. The two disks can be moved in the direction of separation from each other and can be oscillated around the rotatably supporting portions of the shaft member. The take-up reel therefore allows microfilms having various widths to be wound thereon.

REFERENCES:
patent: 2357065 (1944-08-01), Zaica
patent: 3266748 (1966-08-01), Le Bus, Sr.
patent: 3342435 (1967-09-01), Gelardi et al.
patent: 3659799 (1972-05-01), Cerrutti et al.
patent: 3825202 (1974-07-01), Robinson
patent: 3840198 (1974-10-01), Moore

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