Spool to film attachment

Details Spool to film attachment Spool to film attachment

1992-08-28

1994-03-22

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 718, B65H 7528

Patent

active

052956350

ABSTRACT:
A spool to film attachment comprises a filmstrip having an engagement hole formed in a rear end of the filmstrip proximate a rearmost film edge and a spool having an engagement projection adapted to be received in the film hole. The projection has a pointed side oriented to face the rearmost film edge from within the film hole, when the projection is received in the film hole, to be able to tear at a predetermined point through a relatively narrow section of the filmstrip between the film hole and the rearmost film edge in response to pulling the rear end of the filmstrip away from the projection.

REFERENCES:
patent: 2477010 (1949-07-01), Schmidt
patent: 3481552 (1969-12-01), Gersch et al.
patent: 3791605 (1974-02-01), Blank et al.
patent: 4181271 (1980-01-01), Kluczynski et al.
patent: 4239164 (1980-12-01), Barnsbee et al.
patent: 4445770 (1984-05-01), Morse
patent: 4930712 (1990-06-01), Smart

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