Patent US4635040A successfully refreshed from Google Patents.
Patent US3635137A successfully refreshed from Google Patents.
US3635137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera with drum supported film strip
Assignee: EDWARD TANNER
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Filing: 1970-09-02
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Granted: 1972-01-18
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Expires: 1990-09-02
Abstract
Abstract A camera of simple construction, well adapted to film loading at a central processing station, employs a rotary drum the periphery of which defines a circular sequence of flats over which the film strip may be extended, the film and drum being rotatable in the camera case, and the film being urged against the flat which is associated with the film section in position to receive light admitted to the camera interior, for field flatness.
Inventors
- 👤 Melville R Pollard Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:22
CPC Classifications
G; G03; G03B; G03B29/00; G03B19/00; G03B19/02; G03B19/04
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
106 words
In a camera, the combination comprising a. a case defining a chamber, b. a rotor having a drum portion received in said chamber, the drum periphery defining a circular sequence of flats over which a camera film strip may be extended to be rotated in the chamber with said rotor drum portion, c. the case containing a passage to pass light from the case exterior onto a selected section of the film strip brought into alignment with said passage in response to drum rotation, and d. holder means for urging the film strip against the flat associated with the film section in alignment with said passage.
Claim 2
Dependent Claim
106 words
In a camera, the combination comprising a. a case defining a chamber, b. a rotor having a drum portion received in said chamber, the drum periphery defining a circular sequence of flats over which a camera film strip may be extended to be rotated in the chamber with said rotor drum portion, c. the case containing a passage to pass light from the case exterior onto a selected section of the film strip brought into alignment with said passage in response to drum rotation, and d. holder means for urging the film strip against the flat associated with the film section in alignment with said passage.
Claim 3
Dependent Claim
12 words
The combination of claim 1 including said film extended over said flats.
Claim 4
Dependent Claim
17 words
The combination of claim 1 wherein said drum portion carries means to anchor the film strip thereon.
Claim 5
Dependent Claim
31 words
The combination of claim 1 wherein said drum portion of the rotor is removably received axially into the chamber, and including retaining means releasably retaining the drum portion in said chamber.
Claim 6
Dependent Claim
47 words
The combination of claim 4 wherein the rotor includes a manually rotatable portion projecting exteriorly of the chamber, and exteriorly visible indicia on the rotor corresponding to said flats to indicate the association of the flats with film sections being progressively advanced into alignment with said passage.
Claim 7
Dependent Claim
23 words
The combination of claim 5 wherein said manually rotatable portion comprises a rotor flange overlapping the side of the case bordering said chamber.
Claim 8
Dependent Claim
37 words
The combination of claim 1 wherein saId holder means comprises a detent element carried by the case to yieldably resist free rotation of the drum portion by force transmission via the film strip to the drum portion.
Claim 9
Dependent Claim
32 words
The combination of claim 7 wherein said element includes a plate to transmit said force and which forms an aperture to pass light to the film section in alignment with said passage.
Claim 10
Dependent Claim
21 words
The combination of claim 1 including a view finder carried by the case in radially outwardly spaced relation to said chamber.
Claim 11
Dependent Claim
45 words
The combination of claim 1 including a rotary plate containing light-passing apertures selectively shiftable into alignment with said passage, and a shutter movable to control light passage through the aperture in alignment with said passage, the plate and shutter being presented for manual control thereof.
References Cited (Backward Citations)
US1984420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |