Synchronated index film drive mechanism

Winding – tensioning – or guiding – Reeling device – Fishing rod reel

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Details

353 26R, 226110, G03B 2312, G03B 104, G11B 1532

Patent

active

040506509

ABSTRACT:
A data film capstan about which a high speed data microfilm is wrapped is directly mechanically linked by a gear speed reduction mechanism to an index film capstan having an index film wrapped thereabout for driving the index film in synchronism and at a predetermined reduced speed for easy index data viewing.

REFERENCES:
patent: 1873342 (1932-08-01), Serrurier
patent: 2343850 (1944-03-01), Fairbanks et al.
patent: 2911882 (1959-11-01), Hicks
patent: 3597070 (1971-08-01), Slettebo
patent: 3743157 (1973-07-01), Mason
patent: 3751152 (1973-08-01), Rinehart

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