Film carrying roller

Details Film carrying roller Film carrying roller

1979-07-31

1980-09-30

Mautz, George F.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226119, 226190, B65H 7520

Patent

active

042250978

ABSTRACT:
A film carrying roller comprises an outer annular groove for receiving a film, and an annular recess formed at the central portion of the bottom of the groove. An annular elastic tire has an upper convex surface and fits in the recess. Two annular inclined surfaces form remaining portions of the groove bottom, each of the inclined surfaces ascending from a respective upper annular edge of the recess to a respective outer annular end of the groove bottom. Such ends are positioned higher than the peak of the convex surface of the tire.

REFERENCES:
patent: 3132785 (1964-05-01), Kunz
patent: 3330460 (1967-07-01), Wick
patent: 3446410 (1969-05-01), Brose
patent: 3524607 (1970-08-01), Furst
patent: 3645432 (1972-02-01), French

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