US3302477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut and screw assembly
Assignee: Motors Liquidation Co
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Filing: 1964-11-23
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Granted: 1967-02-07
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Leonard R Grabowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:41
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2204; F16H25/2214; F16H25/2228; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19744; Y10T74/19749; Y10T74/19763
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A BALL NUT AND SCREW ASSEMBLY THE COMBINATION OF NUT AND SCREW MEMBERS HAVING COMPLEMENTARY HELICAL GROOVES PROVIDING A RACE, A TRAIN OF ANTIFRICTION ELEMENTS LOADED IN SAID RACE PROVIDING A DRIVING CONNECTION BETWEEN SAID NUT AND SCREW MEMBERS, SAID NUT AND SCREW MEMBERS HAVING AN ANNULAR CLEARANCE THEREBETWEEN AND ANTIFRICTION ELEMENT RETAINING MEANS MOUNTED IN SAID AN NULAR CLEARANCE OPERATIVELY CONNECTED TO ONE MEMBER AND HAVING A HELICAL SLOT THROUGH WHICH SAID ANTIFRICTION ELEMENTS EXTEND, SAID SLOT HAVING A WIDTH SUFFICIENT TO RETAIN SAID ANTIFRICTION ELEMENTS IN THE GROOVE OF SAID ONE MEMBER UPON THE REMOVAL OF THE OTHER MEMBER FROM SAID ONE MEMBER.
Claim 2
Dependent Claim
106 words
IN A BALL NUT AND SCREW ASSEMBLY THE COMBINATION OF NUT AND SCREW MEMBERS HAVING COMPLEMENTARY HELICAL GROOVES PROVIDING A RACE, A TRAIN OF ANTIFRICTION ELEMENTS LOADED IN SAID RACE PROVIDING A DRIVING CONNECTION BETWEEN SAID NUT AND SCREW MEMBERS, SAID NUT AND SCREW MEMBERS HAVING AN ANNULAR CLEARANCE THEREBETWEEN AND ANTIFRICTION ELEMENT RETAINING MEANS MOUNTED IN SAID AN NULAR CLEARANCE OPERATIVELY CONNECTED TO ONE MEMBER AND HAVING A HELICAL SLOT THROUGH WHICH SAID ANTIFRICTION ELEMENTS EXTEND, SAID SLOT HAVING A WIDTH SUFFICIENT TO RETAIN SAID ANTIFRICTION ELEMENTS IN THE GROOVE OF SAID ONE MEMBER UPON THE REMOVAL OF THE OTHER MEMBER FROM SAID ONE MEMBER.
References Cited (Backward Citations)
US2044663A
Cited
US2468506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |