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US3603232A
Expired / Lapsed
US
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Cassette camera
Assignee: Perfect Film and Chemical Corp
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Filing: 1968-08-26
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Granted: 1971-09-07
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Expires: 1988-08-26
Abstract
Abstract A small pocket size camera snapped on or off a conventional roll-type film cartridge or cassette having a winding knob attached thereto but movable to operative position and a finger actuated positioning pin temporarily releaseable from conventional film metering apertures to permit film advancement until next automatic engagement in a following aperture. The camera of conventional box-type, lens and shutter is modified outwardly to conceal the winding knob, permit collapse of the positioning pin, align camera and retractible viewfinder for conforming packaging shape. The winding knob camera attachment may form a clutch means.
Inventors
- 👤 Richard B Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:19
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/30
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
115 words
A cassette attachable small camera, comprising a roll-type film cassette cartridge having a film advancing mechanism, said camera having a body and having a detachable connecting means thereon for quick engagement with said cassette cartridge, and means for operatively associating said camera and said cassette cartridge, including a film winding knob connected to said camera and moveable to operative position on said cassette cartridge, said winding knob being sufficiently loose to permit said knob to swing over and into operative engagement with said film advancing mechanism, said body having a positioning pin therein automatically engaging said film advancing mechanism, said pin being finger activated for temporary release to permit film advancement by said winding knob.
Claim 2
Dependent Claim
115 words
A cassette attachable small camera, comprising a roll-type film cassette cartridge having a film advancing mechanism, said camera having a body and having a detachable connecting means thereon for quick engagement with said cassette cartridge, and means for operatively associating said camera and said cassette cartridge, including a film winding knob connected to said camera and moveable to operative position on said cassette cartridge, said winding knob being sufficiently loose to permit said knob to swing over and into operative engagement with said film advancing mechanism, said body having a positioning pin therein automatically engaging said film advancing mechanism, said pin being finger activated for temporary release to permit film advancement by said winding knob.
Claim 3
Dependent Claim
30 words
A device as set forth in claim 1 in which the connection includes a wire portion looped about the winding knob to act as a clutch and prevent film unwinding.
Claim 4
Dependent Claim
21 words
A device as set forth in claim 1 in which the camera body provides a recess to conceal the winding knob.
Claim 5
Dependent Claim
36 words
A device as set forth in claim 1 in which front and back elevations on the camera body top form a well for the attached winding knob, camera view aligning means and a conforming packaging device.
References Cited (Backward Citations)
US2257424A
Cited
US2409605A
Cited
US2927518A
Cited
US2911894A
Cited
GB1024724A
Cited
US3247773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-06 | 1975-03-08 | 1975-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-06 | 1979-03-08 | 1979-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-06 | 1983-03-08 | 1983-09-07 | $7700.00 | Window Closed / Lapsed |