US3297328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record changer
Assignee: Individual
•
Filing: 1965-12-15
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Granted: 1967-01-10
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Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 James T Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:28
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/16; G11B17/162; G11B17/165; G11B19/00; G11B19/20; G11B19/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
IN AN AUTOMATIC RECORD CHANGER, A ROTATABLE TURNTABLE, A CENTERING SPINDLE, MEANS INCLUDING SAID SPINDLE FOR SUPPORTING A STACK OF RECORDS OF SMALL AND LARGE DIAMETERS ON SAID SPINDLE ABOVE SAID TURNTABLE, A TONE ARM ADAPTED TO BE MOVED INTO ENGAGEMENT WITH A RECORD AFTER IT IS DEPOSITED ON SAID TURNTABLE, AUTOMATIC RECORD CHANGING MEANS FOR SUCCESSIVELY RELEASING INDIVIDUAL RECORDS FROM SAID STACK TO SAID TURNTABLE DURING SUCCESSIVE RECORD CHANGING CYCLES, A FIRST TONE ARM INDEXING MEMBER POSITIONED BETWEEN THE RECORD STACK AND SAID TURNTABLE AND MOVABLE BY ENGAGEMENT OF THE OUTER EDGE PORTION OF EITHER A SMALL DIAMETER OR A LARGE DIAMETER RECORD AS THE RECORD IS RELEASED TO SAID TURNTABLE, A SECOND TONE ARM INDEXING MEMBER POSITIONED BETWEEN THE RECORD STACK AND SAID TURNTABLE AND MOVABLE ONLY BY ENGAGEMENT OF THE OUTER EDGE PORTION OF A LARGE DIAMETER RECORD AS THE RECORD IS RELEASED TO SAID TURNTABLE, MEANS RESPONSIVE TO MOVEMENT OF SAID FIRST TONE ARM INDEXING MEMBER ONLY IN THOSE INSTANCES WHEN SAID SECOND TONE ARM INDEXING MEMBER IS NOT SIMULTANEOUSLY MOVED BY A LARGE DIAMETER RECORD FOR POSITIONING SAID TONE ARM TO THE SMALL DIAMETER RECORD POSITION, AND MEANS RESPONSIVE TO MOVEMENT OF SAID SECOND TONE ARM INDEXING MEMBER FOR POSITIONING SAID TONE ARM TO THE LARGE DIAMETER RECORD POSITION.
Claim 2
Dependent Claim
214 words
IN AN AUTOMATIC RECORD CHANGER, A ROTATABLE TURNTABLE, A CENTERING SPINDLE, MEANS INCLUDING SAID SPINDLE FOR SUPPORTING A STACK OF RECORDS OF SMALL AND LARGE DIAMETERS ON SAID SPINDLE ABOVE SAID TURNTABLE, A TONE ARM ADAPTED TO BE MOVED INTO ENGAGEMENT WITH A RECORD AFTER IT IS DEPOSITED ON SAID TURNTABLE, AUTOMATIC RECORD CHANGING MEANS FOR SUCCESSIVELY RELEASING INDIVIDUAL RECORDS FROM SAID STACK TO SAID TURNTABLE DURING SUCCESSIVE RECORD CHANGING CYCLES, A FIRST TONE ARM INDEXING MEMBER POSITIONED BETWEEN THE RECORD STACK AND SAID TURNTABLE AND MOVABLE BY ENGAGEMENT OF THE OUTER EDGE PORTION OF EITHER A SMALL DIAMETER OR A LARGE DIAMETER RECORD AS THE RECORD IS RELEASED TO SAID TURNTABLE, A SECOND TONE ARM INDEXING MEMBER POSITIONED BETWEEN THE RECORD STACK AND SAID TURNTABLE AND MOVABLE ONLY BY ENGAGEMENT OF THE OUTER EDGE PORTION OF A LARGE DIAMETER RECORD AS THE RECORD IS RELEASED TO SAID TURNTABLE, MEANS RESPONSIVE TO MOVEMENT OF SAID FIRST TONE ARM INDEXING MEMBER ONLY IN THOSE INSTANCES WHEN SAID SECOND TONE ARM INDEXING MEMBER IS NOT SIMULTANEOUSLY MOVED BY A LARGE DIAMETER RECORD FOR POSITIONING SAID TONE ARM TO THE SMALL DIAMETER RECORD POSITION, AND MEANS RESPONSIVE TO MOVEMENT OF SAID SECOND TONE ARM INDEXING MEMBER FOR POSITIONING SAID TONE ARM TO THE LARGE DIAMETER RECORD POSITION.
References Cited (Backward Citations)
US2794647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |