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US4305146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc player having disc stabilizing apparatus
Assignee: RCA Corp
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Filing: 1980-05-09
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Granted: 1981-12-08
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Expires: 2000-05-09
Abstract
Abstract In a video disc player, the turntable spindle is held in engagement with the record center hole when the turntable is lowered to transfer the record to the receiver pads. A mechanism, responsive to the insertion of an empty jacket into the player, retracts the spindle to allow insertion of the jacket into the player free from interference with the spindle.
Inventors
- 👤 Larry M. Hughes
- 👤 Frederick R. Stave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:08
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/60; G11B17/00; G11B17/02; G11B17/022; G11B17/028; G11B17/03; G11B17/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
162 words
In a record player for recovering prerecorded information from a disc record having a center hole; said player including a turntable for rotatably supporting said record; said player having a spindle disposed coaxially with said turntable and subject to reception in said record center hole for centering said record relative to said turntable; said player further including a record receiving means for supporting a record retained in said player; said player further having means for causing relative displacement between said record receiving means and said turntable for transferring said retained record between said record receiving means and said turntable; apparatus comprising: means for mounting said spindle to said turntable for relative motion independent of said turntable along a path parallel to the axis of said turntable; and means for disposing said spindle in engagement with the center hole of said retained record when said relative displacement effecting said transfer of said retained record from said turntable to said record receiving means occurs.
Claim 2
Dependent Claim
162 words
In a record player for recovering prerecorded information from a disc record having a center hole; said player including a turntable for rotatably supporting said record; said player having a spindle disposed coaxially with said turntable and subject to reception in said record center hole for centering said record relative to said turntable; said player further including a record receiving means for supporting a record retained in said player; said player further having means for causing relative displacement between said record receiving means and said turntable for transferring said retained record between said record receiving means and said turntable; apparatus comprising: means for mounting said spindle to said turntable for relative motion independent of said turntable along a path parallel to the axis of said turntable; and means for disposing said spindle in engagement with the center hole of said retained record when said relative displacement effecting said transfer of said retained record from said turntable to said record receiving means occurs.
Claim 3
Dependent Claim
159 words
In a record player for recovering prerecorded information from a disc record having a center hole; said player including a turntable for rotatably supporting said record; said player having a spindle disposed coaxially with said turntable and subject to reception in said record center hole for centering said record relative to said turntable; said player further including a receiving platform for supporting a record retained in said player; wherein said turntable is respectively raised and lowered relative to said receiving platform to transfer said retained record from said platform to said turntable and from said turntable to said platform; apparatus comprising: means for mounting said spindle to said turntable for relative motion independent of said turntable along a path parallel to the axis of said turntable; and means for holding said spindle in engagement with the center hole of said retained record when said turntable is lowered to effect said transfer of said retained record to said receiving platform.
Claim 4
Dependent Claim
159 words
In a record player for recovering prerecorded information from a disc record having a center hole; said player including a turntable for rotatably supporting said record; said player having a spindle disposed coaxially with said turntable and subject to reception in said record center hole for centering said record relative to said turntable; said player further including a receiving platform for supporting a record retained in said player; wherein said turntable is respectively raised and lowered relative to said receiving platform to transfer said retained record from said platform to said turntable and from said turntable to said platform; apparatus comprising: means for mounting said spindle to said turntable for relative motion independent of said turntable along a path parallel to the axis of said turntable; and means for holding said spindle in engagement with the center hole of said retained record when said turntable is lowered to effect said transfer of said retained record to said receiving platform.
Claim 5
Dependent Claim
221 words
In a record player for recovering prerecorded information from a disc record having a center hole; said record being subject to removable occupancy of a protective cover; said player including a turntable for rotatably supporting said record; said player having a spindle disposed coaxially with said turntable and subject to reception in said record center hole for centering said record relative to said turntable; said player further including a receiving platform for supporting a record retained in said player; wherein said turntable is respectively raised and lowered relative to said receiving platform to transfer said retained record from said platform to said turntable and from said turntable to said platform; wherein an empty cover is inserted into said player along a path for retrieving said retained record; apparatus comprising: means for mounting said spindle to said turntable for relative motion independent of said turntable along a further path parallel to the axis of said turntable; wherein said spindle remains in engagement with the center hole of said retained record when said turntable is lowered, the lowering of said turntable causing a transfer of said retained record to said receiving platform; and means, responsive to said cover insertion, for retracting said spindle to a location out of said cover insertion path to permit said cover insertion free from interference with said spindle.
Claim 6
Dependent Claim
221 words
In a record player for recovering prerecorded information from a disc record having a center hole; said record being subject to removable occupancy of a protective cover; said player including a turntable for rotatably supporting said record; said player having a spindle disposed coaxially with said turntable and subject to reception in said record center hole for centering said record relative to said turntable; said player further including a receiving platform for supporting a record retained in said player; wherein said turntable is respectively raised and lowered relative to said receiving platform to transfer said retained record from said platform to said turntable and from said turntable to said platform; wherein an empty cover is inserted into said player along a path for retrieving said retained record; apparatus comprising: means for mounting said spindle to said turntable for relative motion independent of said turntable along a further path parallel to the axis of said turntable; wherein said spindle remains in engagement with the center hole of said retained record when said turntable is lowered, the lowering of said turntable causing a transfer of said retained record to said receiving platform; and means, responsive to said cover insertion, for retracting said spindle to a location out of said cover insertion path to permit said cover insertion free from interference with said spindle.
Claim 7
Dependent Claim
252 words
In a record player for recovering prerecorded information from a disc record having a center hole; said player including a turntable for rotatably supporting said record; said player having a spindle disposed coaxially with said turntable and subject to reception in said record center hole for centering said record relative to said turntable; said record being subject to removable occupancy of a protective cover; said player having a record extraction mechanism for removing an enclosed record from said cover for retention in said player during cover withdrawal subsequent to the insertion of a full cover into said player along a path; said player further including a receiving platform for supporting said retained record in said player; wherein said turntable is respectively raised and lowered relative to said receiving platform to transfer said retained record from said platform to said turntable and from said turntable to said platform; wherein an empty cover is inserted into said player for retrieving said retained record; apparatus comprising: means for mounting said spindle to said turntable for relative motion independent of said turntable along a further path parallel to the axis of said turntable; wherein said spindle is caused to remain in engagement with the center hole of said retained record when said turntable is lowered to transfer said retained record to said receiving platform; and means, responsive to said cover insertion, for retracting said spindle to a location beyond said cover insertion path in a manner permitting said cover insertion free from interference by said spindle.
Claim 8
Dependent Claim
252 words
In a record player for recovering prerecorded information from a disc record having a center hole; said player including a turntable for rotatably supporting said record; said player having a spindle disposed coaxially with said turntable and subject to reception in said record center hole for centering said record relative to said turntable; said record being subject to removable occupancy of a protective cover; said player having a record extraction mechanism for removing an enclosed record from said cover for retention in said player during cover withdrawal subsequent to the insertion of a full cover into said player along a path; said player further including a receiving platform for supporting said retained record in said player; wherein said turntable is respectively raised and lowered relative to said receiving platform to transfer said retained record from said platform to said turntable and from said turntable to said platform; wherein an empty cover is inserted into said player for retrieving said retained record; apparatus comprising: means for mounting said spindle to said turntable for relative motion independent of said turntable along a further path parallel to the axis of said turntable; wherein said spindle is caused to remain in engagement with the center hole of said retained record when said turntable is lowered to transfer said retained record to said receiving platform; and means, responsive to said cover insertion, for retracting said spindle to a location beyond said cover insertion path in a manner permitting said cover insertion free from interference by said spindle.
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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) | 1984-12-07 | 1985-06-08 | 1985-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-07 | 1989-06-08 | 1989-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-07 | 1993-06-08 | 1993-12-08 | $7700.00 | Window Closed / Lapsed |