US3338488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic photographic easel
Assignee: Beattie Coleman Inc
•
Filing: 1964-08-06
•
Granted: 1967-08-29
•
Expires: 1984-08-06
Abstract
No abstract record available.
Inventors
- 👤 Charles J Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:03
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/587
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A MECHANISM FOR ADVANCING A METERING ROLL BY PREDETERMINED INCREMENTS, THE COMBINATION OF: A ROTARY ACTUATOR TO OPERATE CONTINUOUSLY; A ROTARY DRIVER TO OPERATE IN ALTERNATE DIRECTIONS; A FIRST MEANS TO LIMIT THE REVERSE ROTATION OF THE DRIVER TO DETERMINE THE STARTING POSITION THEREOF; A SECOND MEANS TO SENSE FORWARD ROTATION OF THE DRIVER TO A PREDETERMINED LIMIT POSITION; A FIRST CLUTCH TO CONNECT THE ACTUATOR WITH THE DRIVER FOR STARTING AN OPERATING CYCLE BY FORWARD ROTATION OF THE DRIVER, THE CLUTCH BEING RESPONSIVE TO SAID SECOND MEANS TO DISENGAGE WHEN THE DRIVER ROTATES TO THE PREDETERMINED LIMIT POSITION; MEANS TO REVERSE THE ROTATION OF THE DRIVER TO ITS STARTING POSITION IN RESPONSE TO DISENGAGEMENT OF THE CLUTCH, AT LEAST ONE OF THE FIRST AND SECOND MEANS BEING ADJUSTABLE TO VARY THE EXTENT OF ROTATION OF THE DRIVER; AND A SECOND ONE-WAY CLUTCH OPERATIVELY CONNECTING THE DRIVER TO THE METERING ROLL FOR ROTATION THEREOF IN RESPONSE TO FORWARD ROTATION OF THE DRIVER.
Claim 2
Dependent Claim
163 words
IN A MECHANISM FOR ADVANCING A METERING ROLL BY PREDETERMINED INCREMENTS, THE COMBINATION OF: A ROTARY ACTUATOR TO OPERATE CONTINUOUSLY; A ROTARY DRIVER TO OPERATE IN ALTERNATE DIRECTIONS; A FIRST MEANS TO LIMIT THE REVERSE ROTATION OF THE DRIVER TO DETERMINE THE STARTING POSITION THEREOF; A SECOND MEANS TO SENSE FORWARD ROTATION OF THE DRIVER TO A PREDETERMINED LIMIT POSITION; A FIRST CLUTCH TO CONNECT THE ACTUATOR WITH THE DRIVER FOR STARTING AN OPERATING CYCLE BY FORWARD ROTATION OF THE DRIVER, THE CLUTCH BEING RESPONSIVE TO SAID SECOND MEANS TO DISENGAGE WHEN THE DRIVER ROTATES TO THE PREDETERMINED LIMIT POSITION; MEANS TO REVERSE THE ROTATION OF THE DRIVER TO ITS STARTING POSITION IN RESPONSE TO DISENGAGEMENT OF THE CLUTCH, AT LEAST ONE OF THE FIRST AND SECOND MEANS BEING ADJUSTABLE TO VARY THE EXTENT OF ROTATION OF THE DRIVER; AND A SECOND ONE-WAY CLUTCH OPERATIVELY CONNECTING THE DRIVER TO THE METERING ROLL FOR ROTATION THEREOF IN RESPONSE TO FORWARD ROTATION OF THE DRIVER.
References Cited (Backward Citations)
US1551415A
Cited
US1105036A
Cited
US1867596A
Cited
US2318616A
Cited
US2334137A
Cited
US2737278A
Cited
US3073499A
Cited
US2984012A
Cited
US3139791A
Cited
US3145892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |