US3159046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball nut screw differential
Assignee: Motors Liquidation Co
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Filing: 1962-10-15
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Granted: 1964-12-01
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 John L Harned
- 👤 Keith M Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:11
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2204; F16H2025/2053; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312; Y10T74/1832; Y10T74/18568; Y10T74/18576; Y10T74/18624
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
169 words
IN A ROTARY TO LINEAR DIFFERENTIAL DIVICE; A PAIR OF PARALLEL ELONGATED SHAFTS; SUPPORT MEANS ROTATABLY SUPPORTING SAID SHAFTS AND PREVENTING AXIAL MOVEMENT THEREOF; INPUT MEANS FOR ROTATING EACH OF THE SHAFTS; AND OUTPUT MEANS SUPPORTED BY THE SHAFTS FOR MOVEMENT AXIALLY OF THE SHAFTS INCLUDING; FIRST AND SECOND TRANSFER DEVICES ROTATABLY MOUNTED ON SAID SHAFTS, SAID FIRST TRANSFER DEVICE MOVABLE BY ONE OF SAID SHAFTS IN A DIRECTION AXIALLY OF SAID ONE SHAFT WHENEVER THERE IS A RELATIVE SPEED DIFFERENCE BETWEEN SAID FIRST TRANSFER DEVICE AND SAID ONE SHAFT, SAID SECOND TRANSFER DEVICE MOVABLE BY THE OTHER OF SAID SHAFTS IN A DIRECTION AXIALLY OF SAID OTHER SHAFT WHENEVER THERE IS A RELATIVE SPEED DIFFERENCE BETWEEN SAID SECOND TRANSFER DEVICE AND SAID OTHER SHAFT, AND GEAR MEANS CARRIED BY EACH OF SAID TRANSFER DEVICES AND IN MESH WITH EACH OTHER SO THAT ANY ROTATIVE SPEED DIFFERENCE BETWEEN THE SHAFTS CAUSES A RELATIVE SPEED DIFFERENCE BETWEEN EACH OF SAID TRANSFER DEVICES AND SAID SHAFTS TO MOVE THE OUTPUT MEANS.
References Cited (Backward Citations)
US2907219A
Cited
US2905011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |