US3168317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record size sensing apparatus for tone arm positioning
Assignee: Individual
•
Filing: 1960-09-19
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Granted: 1965-02-02
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Expires: 1980-09-19
Abstract
No abstract record available.
Inventors
- 👤 Hansen Hans Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:46
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/16; G11B17/162; G11B17/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A RECORD-CHANGING PHONOGRAPH IN WHICH THE SIZE OF THE NEXT RECORD TO BE PLAYED IS GAUGED BY MEANS OF AN ABUTMENT ON THE TONE ARM, COMPRISING A TURN-TABLE FOR SUPPORTING THEREON THE RECORD TO BE PLAYED, A STATIONARY SPINDLE PROJECTING UPWARDLY FROM SAID TURN-TABLE FOR CENTERING THE RECORD TO BE PLAYED WITH RESPECT TO SAID TURNTABLE AND INCLUDING MEANS FOR SUPPORTING THEREON AT LEAST ONE RECORD TO BE PLAYED IN SPACED RELATIONSHIP TO SAID TURNTABLE, A TONE ARM, A TONE ARM SPINDLE STRUCTURE FOR SUPPORTING THEREON SAID TONE-ARM TO SWING ABOUT AN AXIS OF ROTATION, AND MEANS INCLUDING ROTATABLE CAM MEANS AND AN ELONGATED CAM ENGAGING MEMBER FORMING EFFECTIVELY A UNITARY STRUCTURE WITH SAID TONE ARM SPINDLE STRUCTURE FOR SWINGING MOVEMENT IN UNISON THEREWITH FOR MOVING SAID TONE ARM AGAINST THE RECORD TO BE PLAYED NEXT TO GAUGE THE SIZE THEREOF BY SAID ABUTMENT MEANS WHILE SAID NEXT RECORD IS SUPPORTED BY SAID FIRST-MENTIONED MEANS N SAID SPINDLE IN SPACED RELATIONSHIP WITH SAID TURN-TABLE.
Claim 2
Dependent Claim
164 words
A RECORD-CHANGING PHONOGRAPH IN WHICH THE SIZE OF THE NEXT RECORD TO BE PLAYED IS GAUGED BY MEANS OF AN ABUTMENT ON THE TONE ARM, COMPRISING A TURN-TABLE FOR SUPPORTING THEREON THE RECORD TO BE PLAYED, A STATIONARY SPINDLE PROJECTING UPWARDLY FROM SAID TURN-TABLE FOR CENTERING THE RECORD TO BE PLAYED WITH RESPECT TO SAID TURNTABLE AND INCLUDING MEANS FOR SUPPORTING THEREON AT LEAST ONE RECORD TO BE PLAYED IN SPACED RELATIONSHIP TO SAID TURNTABLE, A TONE ARM, A TONE ARM SPINDLE STRUCTURE FOR SUPPORTING THEREON SAID TONE-ARM TO SWING ABOUT AN AXIS OF ROTATION, AND MEANS INCLUDING ROTATABLE CAM MEANS AND AN ELONGATED CAM ENGAGING MEMBER FORMING EFFECTIVELY A UNITARY STRUCTURE WITH SAID TONE ARM SPINDLE STRUCTURE FOR SWINGING MOVEMENT IN UNISON THEREWITH FOR MOVING SAID TONE ARM AGAINST THE RECORD TO BE PLAYED NEXT TO GAUGE THE SIZE THEREOF BY SAID ABUTMENT MEANS WHILE SAID NEXT RECORD IS SUPPORTED BY SAID FIRST-MENTIONED MEANS N SAID SPINDLE IN SPACED RELATIONSHIP WITH SAID TURN-TABLE.
References Cited (Backward Citations)
GB554282A
Cited
US2818263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |