Photography – With film drive – Mechanical detail
Patent
1998-12-03
2000-03-07
Mathews, Alan A.
Photography
With film drive
Mechanical detail
396512, 352235, 2423484, 430501, G03B 1726, G03C 302
Patent
active
060331283
ABSTRACT:
The present invention is a photographic roll film which includes a photographic film strip and a light shielding paper secured to the photographic film strip. The backing paper has a leader which includes at least one cinch tab extending out of a plane of the light shielding paper. The present invention is a photographic roll film which includes a photographic film strip and a light shielding paper secured to the photographic film strip. The backing paper has a leader which includes a front edge, and two side edges. At least one cinch tab extends out of a plane of the backing paper, the cinch tab formed by the front edge, a side edge and a cut forming a cut angle of greater than 90.degree. with a long axis of the leader. The present invention is a photographic roll film which includes a photographic film strip and a light shielding paper secured to the photographic film strip. The backing paper has a leader having a front edge. At least one cinch tab extends out of a plane of the light shielding paper and is formed by a perforation and a fold line, the fold line closer to the front edge of the leader than the perforation.
REFERENCES:
patent: 1441146 (1923-01-01), Eastman
patent: 3647465 (1972-03-01), Shamay
patent: 4303325 (1981-12-01), Seely
patent: 5255040 (1993-10-01), Pagano
patent: 5934592 (1999-08-01), Makino
Brown Barry M.
Krais Raymond P.
Seyler Rickey J.
Eastman Kodak Company
Mathews Alan A.
Ruoff Carl F.
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