US3934150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic sheet-like film feeding device
Assignee: Fujifilm Holdings Corp
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Filing: 1974-08-13
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Granted: 1976-01-20
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Expires: 1994-08-13
Abstract
Abstract A photographic sheet film feeding device has a film loading section receiving sheets of film contained in an internally loaded bag in a light-tight condition and loading the same, a cutter mechanism for cutting and unsealing the lower end of the internally loaded bag, and a film discharging means for raising the internally loaded bag and a U-shaped doubling plate covering the two sides and the top edge of the film sheets in order to allow discharge of the sheets of film contained in the bag from the unsealed and cut portion of the internally loaded bag.
Inventors
- 👤 Takaaki Matsumoto
- 👤 Kaoru Tamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:43
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/585; G03B27/586
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
121 words
A photographic sheet film feeding device comprising: a film loading means for receiving stacked sheets of film, said film sheets being covered by an inverted U-shaped doupling plate and contained in an internally loaded bag in a light-tight condition and supporting said film sheets and said bag in an upright position, a cutter mechanism for cutting and unsealing the lower end of said internally loaded, upright bag, and a film discharging means for raising the upper end of said internally loaded bag and said U-shaped doubling plate covering the front, rear and upper edge of the upright film sheets in order to uncover the sheets of the film contained in said bag from the raised portion of said internally loaded bag.
Claim 2
Dependent Claim
121 words
A photographic sheet film feeding device comprising: a film loading means for receiving stacked sheets of film, said film sheets being covered by an inverted U-shaped doupling plate and contained in an internally loaded bag in a light-tight condition and supporting said film sheets and said bag in an upright position, a cutter mechanism for cutting and unsealing the lower end of said internally loaded, upright bag, and a film discharging means for raising the upper end of said internally loaded bag and said U-shaped doubling plate covering the front, rear and upper edge of the upright film sheets in order to uncover the sheets of the film contained in said bag from the raised portion of said internally loaded bag.
Claim 3
Dependent Claim
37 words
The feeding device of claim 1, further including means for locking the lower end of said upright internally loaded bag in a position for cutting the lower end of said internally loaded bag with the cutter mechanism.
Claim 4
Dependent Claim
33 words
The feeding device of claim 1, wherein said film discharging means comprises gripping members for gripping the upper end of said upright internally loaded, bag and an upper portion of said doubling plate.
Claim 5
Dependent Claim
64 words
The feeding device of claim 1, further including a sheet removal means comprising suction cups synchronously activatable and operatively positioned relative to said uncovered sheets of film for removing under vacuum pressure, a sheet of film from said uncovered stack of film sheets and means for releasing the vacuum pressure to discharge the sheet of film removed from said stack at a desired position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |