Patent US4754875A successfully refreshed from Google Patents.
US4754875A
Expired / Lapsed
US
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Roll film magazine frame for supporting film receiving film spool and using in a reading device
Assignee: Agfa Gevaert AG
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Filing: 1986-08-18
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Granted: 1988-07-05
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Expires: 2006-08-18
Abstract
Abstract A roll film magazine frame for supporting a film spool which receives a roll film and for inserting through an insertion opening into a shaft of a micro roll film reading device, the roll film magazine frame comprises a polygonal body part having a plurality of sides and a plurality of corners each between two adjacent sides, the body part having a recess provided in one of the sides for introducing a film from a film coil into the reading device, an opening provided in another side for introducing a friction member of the reading device for contacting a roll film on the film spool, the side of the body part including a further side which is accessible from outside when the magazine frame is inserted in the shaft, the further side being formed as a cover which is turnable outwardly away of a remaining portion of the body part so as to allow withdrawal of the film spool from the body part and insertion of another film spool into the body part.
Inventors
- 👤 Walter Rauffer
- 👤 Eugen Schuhmeir
- 👤 Gunter Czapla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:22
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11; G03B21/111
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
173 words
A roll film magazine frame for supporting a film spool which receives a roll film and for inserting through an insertion opening into a shaft of a micro roll film reading device, the roll film magazine frame comprising a polygonal body part having a plurality of sides and a plurality of corners each between two adjacent sides, said body part having a recess provided in one of said sides for introducing a film from a film coil into the reading device, an opening provided in another side for introducing a friction member of the reading device for contacting a roll film on the film spool, said sides of said body part including a further side which is accessible from outside when the magazine frame is inserted in the shaft, said further side being formed as a cover which is turnable outwardly away of a remaining portion of said body part so as to allow withdrawal of the film spool from said body part and insertion of another film spool into said body part.
Claim 2
Dependent Claim
173 words
A roll film magazine frame for supporting a film spool which receives a roll film and for inserting through an insertion opening into a shaft of a micro roll film reading device, the roll film magazine frame comprising a polygonal body part having a plurality of sides and a plurality of corners each between two adjacent sides, said body part having a recess provided in one of said sides for introducing a film from a film coil into the reading device, an opening provided in another side for introducing a friction member of the reading device for contacting a roll film on the film spool, said sides of said body part including a further side which is accessible from outside when the magazine frame is inserted in the shaft, said further side being formed as a cover which is turnable outwardly away of a remaining portion of said body part so as to allow withdrawal of the film spool from said body part and insertion of another film spool into said body part.
Claim 3
Dependent Claim
28 words
A roll film magazine frame as defined in claim 1, wherein said body part is formed as a rectangular member having four such sides and four such corners.
Claim 4
Dependent Claim
69 words
A roll film magazine frame as defined in claim 1, wherein said cover extends over said further accessible side, one of said corners located at one end of said further accessible side, and an additional one of said sides after said one corner, said cover being turnably supported on the remaining portion of said body part in another corner located at the other end of said further accessible side.
Claim 5
Dependent Claim
72 words
A roll film magazine frame as defined in claim 3; and further comprising a flat spring provided between said cover and said remaining portion of said body part near said other corner and forming a turnable connection between said cover and said remaining portion of said body part and at the same time biasing said cover to a closed position in which it closes said further accessible side of said body part.
Claim 6
Dependent Claim
56 words
A roll film magazine frame as defined in claim 1; and further comprising a hinge pivotally connecting said cover with said remaining portion of said body part; and a flat spring located outside of said hinge and acting for pivoting said cover to an open position in which it is withdrawn from said further accessible side.
Claim 7
Dependent Claim
31 words
A roll film magazine frame as defined in claim 5, wherein said spring is fixedly connected with said cover and is displaceably clamped in said remaining portion of said body part.
Claim 8
Dependent Claim
29 words
A roll film magazine frame as defined in claim 1; and further comprising a releasable closure part provided between said cover and said remaining portion of said body part.
Claim 9
Dependent Claim
23 words
A roll film magazine frame as defined in claim 7, wherein said releasable locking part is formed as a synthetic plastic arresting member.
Claim 10
Dependent Claim
67 words
A roll film magazine frame particularly for insertion in the channel having a channel wall as defined in claim 1, wherein said cover is movable to a closed position in which it closes said further accessible side of said remaining portion of said body part, said cover being formed so that in said closed position it is held in form-locking manner by the wall of the channel.
Claim 11
Dependent Claim
71 words
A roll film magazine frame as defined in claim 1, wherein said body part has portions which are formed so that they partially surround the film spool when it is inserted in said body part, said portions each having one end, said body part further having an abutment plate which connects said portions of said body part at said one end and is formed for abutting of the film spool thereagainst.
Claim 12
Dependent Claim
28 words
A roll film magazine frame as defined in claim 10, wherein said portions of said body part and said abutment plate are formed of one-piece with one another.
Claim 13
Dependent Claim
18 words
A roll film magazine frame as defined in claim 10, wherein said abutment plate has a rectangular shape.
Claim 14
Dependent Claim
36 words
A roll film magazine frame as defined in claim 10, wherein said abutment plate has such a shape that together with said portions of said body part and with said cover it forms a rectangular contour.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-07-05 | 1992-01-04 | 1992-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-05 | 1996-01-04 | 1996-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-05 | 2000-01-04 | 2000-07-05 | $7700.00 | Window Closed / Lapsed |