US3079055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the automatic hooking of a film on a receiving spool
Assignee: Paillard SA
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Filing: 1961-01-17
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Granted: 1963-02-26
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Expires: 1981-01-17
Abstract
No abstract record available.
Inventors
- 👤 Chevallaz Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:00
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A DEVICE FOR THE AUTOMATIC HOOKING OF A FILM ON A TAKE-UP SPOOL OF A CINEMATOGRAPHIC APPARATUS HAVING A FILM CHANNEL, SAID SPOOL HAVING TWO FLANGES AND A HUB WITH A SLOT, COMPRISING, TWO GUIDE ELEMENTS MOUNTED FOR OSCILLATION IN SUCH A MANNER AS TO BE CAPABLE OF ENTERING AND WITHDRAWING BETWEEN THE FLANGES OF SAID SPOOL SO AS TO FORM A CHANNEL TO GUIDE SAID FILM INTO SAID SLOT OF THE HUB OF SAID SPOOL, MEANS FOR LOCKING SAID TWO GUIDE ELEMENTS BETWEEN SAID FLANGES, THE FIRST OF SAID GUIDE ELEMENTS HAVING A TOOTH ADAPTED TO ENGAGE THE SLOT OF SAID SPOOL FOR MAINTAINING SAID SPOOL IN A LOCKED POSITION PERMITTING THE INTRODUCTION OF SAID FILM INTO SAID SLOT, THE SECOND OF SAID ELEMENTS DISPOSED ON THE OPPOSITE SIDE OF THE FILM AS IT ENTERS BETWEEN SAID FLANGES AND HAVING A FREE END DISPOSED ADJACENT SAID SLOT IN SAID HUB, SAID CHANNEL CONVERGING TO A POINT JUXTAPOSED SAID SLOT, WHEREBY, WHEN THE EXTREMITY OF SAID FILM ABUTS AGAINST THE INTERIOR OF SAID HUB, CONTINUED FEEDING OF THE FILM CAUSES THE FILM TO BACK UP BETWEEN SAID FLANGES TO DISPLACE SAID SECOND ELEMENT THEREBY RELEASING SAID LOCKING MEANS, AND SPRING MEANS OPERABLE UPON RELEASE OF SAID LOCKING MEANS TO WITHDRAW SAID FIRST AND SECOND ELEMENTS FROM BETWEEN SAID FLANGES.
Claim 2
Independent Claim
219 words
A DEVICE FOR THE AUTOMATIC HOOKING OF A FILM ON A TAKE-UP SPOOL OF A CINEMATOGRAPHIC APPARATUS HAVING A FILM CHANNEL, SAID SPOOL HAVING TWO FLANGES AND A HUB WITH A SLOT, COMPRISING, TWO GUIDE ELEMENTS MOUNTED FOR OSCILLATION IN SUCH A MANNER AS TO BE CAPABLE OF ENTERING AND WITHDRAWING BETWEEN THE FLANGES OF SAID SPOOL SO AS TO FORM A CHANNEL TO GUIDE SAID FILM INTO SAID SLOT OF THE HUB OF SAID SPOOL, MEANS FOR LOCKING SAID TWO GUIDE ELEMENTS BETWEEN SAID FLANGES, THE FIRST OF SAID GUIDE ELEMENTS HAVING A TOOTH ADAPTED TO ENGAGE THE SLOT OF SAID SPOOL FOR MAINTAINING SAID SPOOL IN A LOCKED POSITION PERMITTING THE INTRODUCTION OF SAID FILM INTO SAID SLOT, THE SECOND OF SAID ELEMENTS DISPOSED ON THE OPPOSITE SIDE OF THE FILM AS IT ENTERS BETWEEN SAID FLANGES AND HAVING A FREE END DISPOSED ADJACENT SAID SLOT IN SAID HUB, SAID CHANNEL CONVERGING TO A POINT JUXTAPOSED SAID SLOT, WHEREBY, WHEN THE EXTREMITY OF SAID FILM ABUTS AGAINST THE INTERIOR OF SAID HUB, CONTINUED FEEDING OF THE FILM CAUSES THE FILM TO BACK UP BETWEEN SAID FLANGES TO DISPLACE SAID SECOND ELEMENT THEREBY RELEASING SAID LOCKING MEANS, AND SPRING MEANS OPERABLE UPON RELEASE OF SAID LOCKING MEANS TO WITHDRAW SAID FIRST AND SECOND ELEMENTS FROM BETWEEN SAID FLANGES.
References Cited (Backward Citations)
US2203655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |