US3210487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus comprising a timing mechanism and an intermittent switching mechanism
Assignee: Individual
•
Filing: 1962-01-22
•
Granted: 1965-10-05
•
Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Holzer Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:19
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/124; A; A23; A23F; A23F3/00; A23F3/16; G; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/046; H01H43/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A DRIVING MECHANISM FOR A PICTURE PROJECTER WHICH CHANGES THE PICTURES AT PREDETERMINED TIME INTERVALS AND WHICH COMPRISES ONE MOTOR FOR OPERATING THE TIMING MECHANISM AND ONE MOTOR FOR CHANGING THE PICTURES, THE TIMING MECHANISM COMPRISING A FRICTIONALLY DRIVEN ROTATING MEMBER CARRYING A SLIDE AT A RELATIVELY SLOW SPEED WHILE TRAVERSING AN INTERTUPT CONTACT TRACK, AND ANOTHER TRACK COMPRISING A PLURALITY OF CONTACT SEGMENTS, WHILE THE PICTURE-CHANGING MOTOR HAS A RELATIVELY HIGH SPEED DIRVING CONNECTION WITH A COAXIALLY MOUNTED ROTATING MEMBER CARRYING A SLIDE, SAID SLIDE TRAVERSING SAID INTERRUPT TRACK AND A CIRCULAR CONTACT TRACK, SAID ROTATING MEMBERS BEING CONNECTED BY A ONE-WAY SLIP COUPLING, AND ELECTRICAL SWITCHES CONNECTED TO SAID SEGMENTS FOR ENERGIZING THEM SELECTIVELY.
Claim 2
Dependent Claim
116 words
A DRIVING MECHANISM FOR A PICTURE PROJECTER WHICH CHANGES THE PICTURES AT PREDETERMINED TIME INTERVALS AND WHICH COMPRISES ONE MOTOR FOR OPERATING THE TIMING MECHANISM AND ONE MOTOR FOR CHANGING THE PICTURES, THE TIMING MECHANISM COMPRISING A FRICTIONALLY DRIVEN ROTATING MEMBER CARRYING A SLIDE AT A RELATIVELY SLOW SPEED WHILE TRAVERSING AN INTERTUPT CONTACT TRACK, AND ANOTHER TRACK COMPRISING A PLURALITY OF CONTACT SEGMENTS, WHILE THE PICTURE-CHANGING MOTOR HAS A RELATIVELY HIGH SPEED DIRVING CONNECTION WITH A COAXIALLY MOUNTED ROTATING MEMBER CARRYING A SLIDE, SAID SLIDE TRAVERSING SAID INTERRUPT TRACK AND A CIRCULAR CONTACT TRACK, SAID ROTATING MEMBERS BEING CONNECTED BY A ONE-WAY SLIP COUPLING, AND ELECTRICAL SWITCHES CONNECTED TO SAID SEGMENTS FOR ENERGIZING THEM SELECTIVELY.
References Cited (Backward Citations)
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Cited
US1424328A
Cited
US2141037A
Cited
US2375706A
Cited
US2593727A
Cited
US2908771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |