US3231282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record changer
Assignee: Individual
•
Filing: 1962-04-18
•
Granted: 1966-01-25
•
Expires: 1982-04-18
Abstract
No abstract record available.
Inventors
- 👤 James T Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:10
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A RECORD CHANGER HAVING A DRIVEN TURNTABLE, A CENTERING SPINDLE AT THE AXIS OF SAID TURNTABLE, MEANS ON SAID SPINDLE FOR SUPPORTING A STACK OF RECORDS BY ENGAGING THE EDGES OF THE STANDARD CENTRAL APERTURE IN THE BOTTOM RECORD AND FOR SUCCESSIVELY RELEASING THE BOTTOM RECORD FROM ITS SUPPORTED POSITION, AND MEANS FOR PREVENTING THE RECORD STACK FROM TILTING AS THE BOTTOM RECORD IS RELEASED, SAID LAST NAMED MEANS INCLUDING A STABILIZING ARM PIVOTALLY SUPPORTED ADJACENT SAID TURNTABLE, MEANS FOR MOVING SAID STABILIZING ARM INWARDLY OVER THE RECORD STACK AND DOWNWARDLY AGAINST THE TOP RECORD OF THE STACK AS THE BOTTOM RECORD IS RELEASED, AND MEANS FOR MOVING SAID STABILIZING ARM UPWARDLY AND OUTWARDLY BEYOND THE EDGE OF THE RECORD STACK AFTER EACH RELEASE OF THE BOTTOM RECORD, WHEREBY RECORDS MAY BE ADDED TO THE STACK AT ANY TIME EXCEPT DURING THE RECORD RELEASE PERIOD.
Claim 2
Dependent Claim
146 words
IN A RECORD CHANGER HAVING A DRIVEN TURNTABLE, A CENTERING SPINDLE AT THE AXIS OF SAID TURNTABLE, MEANS ON SAID SPINDLE FOR SUPPORTING A STACK OF RECORDS BY ENGAGING THE EDGES OF THE STANDARD CENTRAL APERTURE IN THE BOTTOM RECORD AND FOR SUCCESSIVELY RELEASING THE BOTTOM RECORD FROM ITS SUPPORTED POSITION, AND MEANS FOR PREVENTING THE RECORD STACK FROM TILTING AS THE BOTTOM RECORD IS RELEASED, SAID LAST NAMED MEANS INCLUDING A STABILIZING ARM PIVOTALLY SUPPORTED ADJACENT SAID TURNTABLE, MEANS FOR MOVING SAID STABILIZING ARM INWARDLY OVER THE RECORD STACK AND DOWNWARDLY AGAINST THE TOP RECORD OF THE STACK AS THE BOTTOM RECORD IS RELEASED, AND MEANS FOR MOVING SAID STABILIZING ARM UPWARDLY AND OUTWARDLY BEYOND THE EDGE OF THE RECORD STACK AFTER EACH RELEASE OF THE BOTTOM RECORD, WHEREBY RECORDS MAY BE ADDED TO THE STACK AT ANY TIME EXCEPT DURING THE RECORD RELEASE PERIOD.
References Cited (Backward Citations)
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US2661216A
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US2868547A
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US2845271A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |