US3084606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorized drive mechanism for roll film cameras
Assignee: Individual
•
Filing: 1961-03-13
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Granted: 1963-04-09
•
Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Norman N Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:09
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/42; G03B17/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A DRIVE MECHANISM FOR A ROLL FILM CAMERA COMPRISING A MOTOR DRIVE UNIT OPERATING AT A SUBSTANTIALLY CONSTANT ANGULAR VELOCITY, A DRIVE GEAR LOCATED IN COUPLEABLE RELATION TO SAID MOTOR DRIVE UNIT, SAID MOTOR DRIVE UNIT COMPRISING AN ELECTRIC MOTOR CONTROLLED BY MEANS OF A SWITCH, A DRIVE DISC WITH A DRIVE FACE ATTACHED TO THE OUTPUT SHAFT OF SAID MOTOR IN FIXED RELATION, A PLURALITY OF DRIVING LUGS AFFIXED TO SAID DRIVE FACE, SAID DRIVING LUGS ENGAGING SUBSTANTIALLY SIMILAR DRIVING LUGS LOCATED ON THE DRIVE FACE OF SAID DRIVE GEAR WHEN SAID DRIVE GEAR IS COUPLED WITH SAID OPERATING MOTOR UNIT, LEVER MEANS FOR COUPLING SAID DRIVE GEAR AND SAID DRIVE UNIT, A SPRING FOR UNCOUPLING SAID GEAR AND SAID DRIVE UNIT WHEN SAID LEVER MEANS ARE RELEASED, AN OUTPUT SHAFT ADAPTED FOR DETACHABLE CONNECTION WITH A ROLL FILM CAMERA TAKE-UP SPOOL SHAFT, TRANSMISSION MEANS INTERMEDIATE SAID OUTPUT SHAFT AND SAID DRIVE GEAR WHEREBY SAID OUTPUT SHAFT
Claim 2
Dependent Claim
158 words
A DRIVE MECHANISM FOR A ROLL FILM CAMERA COMPRISING A MOTOR DRIVE UNIT OPERATING AT A SUBSTANTIALLY CONSTANT ANGULAR VELOCITY, A DRIVE GEAR LOCATED IN COUPLEABLE RELATION TO SAID MOTOR DRIVE UNIT, SAID MOTOR DRIVE UNIT COMPRISING AN ELECTRIC MOTOR CONTROLLED BY MEANS OF A SWITCH, A DRIVE DISC WITH A DRIVE FACE ATTACHED TO THE OUTPUT SHAFT OF SAID MOTOR IN FIXED RELATION, A PLURALITY OF DRIVING LUGS AFFIXED TO SAID DRIVE FACE, SAID DRIVING LUGS ENGAGING SUBSTANTIALLY SIMILAR DRIVING LUGS LOCATED ON THE DRIVE FACE OF SAID DRIVE GEAR WHEN SAID DRIVE GEAR IS COUPLED WITH SAID OPERATING MOTOR UNIT, LEVER MEANS FOR COUPLING SAID DRIVE GEAR AND SAID DRIVE UNIT, A SPRING FOR UNCOUPLING SAID GEAR AND SAID DRIVE UNIT WHEN SAID LEVER MEANS ARE RELEASED, AN OUTPUT SHAFT ADAPTED FOR DETACHABLE CONNECTION WITH A ROLL FILM CAMERA TAKE-UP SPOOL SHAFT, TRANSMISSION MEANS INTERMEDIATE SAID OUTPUT SHAFT AND SAID DRIVE GEAR WHEREBY SAID OUTPUT SHAFT
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |