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US4797698A Expired / Lapsed US ⏱️ 0.0 years remaining

Film feeding apparatus

Assignee: Fujifilm Corp
•
Filing: 1987-12-07
•
Granted: 1989-01-10
•
Expires: 2007-12-07
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Abstract

Abstract A film feeding apparatus for automatically feeding a negative film accommodated in a patrone to a developing machine includes: means for accommodating a multiplicity of magazines piled one upon another, each magazine accommodating a patrone; driving means for feeding the lowermost magazine among those accommodated in the accommodating means to a film receiving port of the developing machine; and means for retracting the magazine from the film receiving port so as to be discharged after the feed of the film has been completed, whereby the magazines are successively moved, and the films are thereby automatically fed to the developing machine.

Inventors

  • 👤 Kazushige Uenaka
  • 👤 Haruo Takase
  • 👤 Riuzi Otomo
  • 👤 Masuo Akimoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 19:52
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/003

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 122 words
A magazine employed when a film accommodated within a film cartridge is fed to a developing machine by using a film feeding apparatus, said magazine comprising: (a) a magazine body for at least partially enclosing said cartridge; (b) a cover which covers the interior of said magazine body, said interior being exposed when said cover is raised; and (c) a film delivery port formed in a part of said magazine body, said magazine body having a space extending toward said port along a direction in which said film in drawable from said cartridge whereby said cartridge is movable within said space, while said cover is closed, from a position away from said silm delivery port to a position close to said port.
Claim 2
Dependent Claim 122 words
A magazine employed when a film accommodated within a film cartridge is fed to a developing machine by using a film feeding apparatus, said magazine comprising: (a) a magazine body for at least partially enclosing said cartridge; (b) a cover which covers the interior of said magazine body, said interior being exposed when said cover is raised; and (c) a film delivery port formed in a part of said magazine body, said magazine body having a space extending toward said port along a direction in which said film in drawable from said cartridge whereby said cartridge is movable within said space, while said cover is closed, from a position away from said silm delivery port to a position close to said port.
Claim 3
Dependent Claim 19 words
A magazine according to claim 1, wherein said film delivery port is formed by a closing of said cover.
Claim 4
Dependent Claim 40 words
A magazine according to claim 1, wherein said magazine body is provided with guide means for guiding said cartridge in the directions in which said cartridge moves toward and away from said film delivery port while said cover is closed.
Claim 5
Dependent Claim 50 words
A magazine according to claim 3, wherein said magazine body has two of said spaces extending toward said port along said direction in which said film is drawable for receiving respective film cartridges and wherein said guide means is a rib provided on said magazine body between said two spaces.
Claim 6
Dependent Claim 34 words
A magazine according to claim 1, wherein said magazine body is provided in the vicinity of said film delivery port with an opening which can receive means for detecting a movement of said cartridge.
Claim 7
Dependent Claim 39 words
A magazine and transport system according to claim 1, wherein said magazine body is provided with a rack, said magazine and transport system further comprising means for transporting said magazine and having a rotary part engageable with said rack.
Claim 8
Dependent Claim 86 words
A magazine and film delivery system as recited in claim 1, further comprising: means for drawing said film from said film cartridge through said film delivery port; and means for detecting a movement of said cartridge caused by said drawing means thereby allowing detection of a state wherein said film within said cartridge has been entirely drawn out by said drawing means, said detecting means being at least partially insertable into said magazine body through an opening therethrough in a vicinity of said film delivery port.

References Cited (Backward Citations)

US3195438A Cited
US3692391A Cited
US3776483A Cited
US3820136A Cited
US3903535A Cited
US4076135A Cited
US4218123A Cited
US4311379A Cited
US4482233A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-01-10 1992-07-11 1993-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-01-10 1996-07-11 1997-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-01-10 2000-07-11 2001-01-10 $7700.00 Window Closed / Lapsed

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