US3448950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projector tilt adjustment
Assignee: Rollei of America Inc
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Filing: 1967-06-29
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Granted: 1969-06-10
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Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Robert D Kluge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:06
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A LEVELING APPARATUS FOR RAISING, LOWERING AND ANGULARLY DISPLACING THE PROJECTING LENS END OF A PROJECTOR, COMPRISING FOOT FIXEDLY CONNECTED TO A CENTRAL END PORTION OF A V-SHAPED PLATE FORMING A BASE OF THE PROJECTOR, A WALL FORMING A PAIR OF SPACED-APART APERTURES AT AN OPPOSITE END OF THE BASE AND ON OPPOSITE SIDES OF THE LONGITUDINAL CENTER LINE OF THE PROJECTOR, A CHANNEL MOUNTED WITHIN THE PROJECTOR EXTENDING ACROSS THE SAID OPPOSITE END OF THE BASE, A FIRST PAIR OF ANGULARLY DISPLACED WALLS FORMING A NON-ALIGNED APERTURE IN EACH FLANGE OF THE CHANNEL AT ONE OF ITS ENDS AND A SECOND PAIR OF ANGULARLY DISPLACED WALLS FORMING A SECOND PAIR OF NON-ALIGNED APERTURES IN A CHANNEL AT ITS OPPOSITE END PORTION, A FIRST LEG PASSING THROUGH THE FIRST PAIR OF THE NON-ALIGNED APERTURES AND ONE OF THE ASSOCIATED APERTURES IN THE BASE, A SECOND LEG PASSING THROUGH THE SECOND PAIR OF NONALIGNED APERTURES AND THE OTHER APERTURE IN THE BASE, AA BRAKE MEMBER HAVING A FLAT PLATE EXTENDING BETWEEN THE LEG AT A POSITION THAT IS BETWEEN THE FLANGES OF THE CHANNEL, A BIASING MEANS CONNECTED TO THE INNER SURFACE
Claim 2
Dependent Claim
191 words
A LEVELING APPARATUS FOR RAISING, LOWERING AND ANGULARLY DISPLACING THE PROJECTING LENS END OF A PROJECTOR, COMPRISING FOOT FIXEDLY CONNECTED TO A CENTRAL END PORTION OF A V-SHAPED PLATE FORMING A BASE OF THE PROJECTOR, A WALL FORMING A PAIR OF SPACED-APART APERTURES AT AN OPPOSITE END OF THE BASE AND ON OPPOSITE SIDES OF THE LONGITUDINAL CENTER LINE OF THE PROJECTOR, A CHANNEL MOUNTED WITHIN THE PROJECTOR EXTENDING ACROSS THE SAID OPPOSITE END OF THE BASE, A FIRST PAIR OF ANGULARLY DISPLACED WALLS FORMING A NON-ALIGNED APERTURE IN EACH FLANGE OF THE CHANNEL AT ONE OF ITS ENDS AND A SECOND PAIR OF ANGULARLY DISPLACED WALLS FORMING A SECOND PAIR OF NON-ALIGNED APERTURES IN A CHANNEL AT ITS OPPOSITE END PORTION, A FIRST LEG PASSING THROUGH THE FIRST PAIR OF THE NON-ALIGNED APERTURES AND ONE OF THE ASSOCIATED APERTURES IN THE BASE, A SECOND LEG PASSING THROUGH THE SECOND PAIR OF NONALIGNED APERTURES AND THE OTHER APERTURE IN THE BASE, AA BRAKE MEMBER HAVING A FLAT PLATE EXTENDING BETWEEN THE LEG AT A POSITION THAT IS BETWEEN THE FLANGES OF THE CHANNEL, A BIASING MEANS CONNECTED TO THE INNER SURFACE
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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |