Automatic winding detection apparatus for a web

Details Automatic winding detection apparatus for a web Automatic winding detection apparatus for a web

1983-01-17

1984-11-20

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 7551, B65H 2532, H02P 308

Patent

active

044834926

ABSTRACT:
When automatically winding a web of photographic paper or film fed from a feeding means such as a roller on a reel core, it is necessary to detect whether the web has been wound on the reel core or not in order to present jams and other inconveniences. The present invention achieves accurate detection of the web winding on the reel core by detecting a driving current of a motor which drives and revolves the reel core and comparing thus detected driving current with a reference value.

REFERENCES:
patent: 3253204 (1966-05-01), Hudson et al.
patent: 3283236 (1966-11-01), Legg
patent: 3435289 (1969-03-01), Aselman, Jr.
patent: 4241299 (1980-12-01), Bertone

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