Bobbin for cinematographic films

Details Bobbin for cinematographic films Bobbin for cinematographic films

1975-07-10

1977-01-11

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7518

Patent

active

040023095

ABSTRACT:
A bobbin for films has a center of "Nylon" with two interfitting seat sections and outer side plates loosely enclosing therebetween ratchet panels to rotate therein.

REFERENCES:
patent: 2203101 (1940-06-01), Pausin
patent: 3041005 (1962-06-01), Wallace
patent: 3211392 (1965-10-01), Mohr
patent: 3432113 (1969-03-01), Freedman
patent: 3883087 (1975-05-01), Praag

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