Patent US3301082A successfully refreshed from Google Patents.
US3301082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball screw mechanism
Assignee: SCULLY JONES AND CO
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Filing: 1964-06-16
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Granted: 1967-01-31
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Expires: 1984-06-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Kosinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:29
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2204; F16H25/2214; F16H25/2223; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19744; Y10T74/19749; Y10T74/19767; Y10T74/19772
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A BALL SCREW MECHANISM COMPRISING, IN COMBINATION A FIRST MEMBER COMPRISING A BALL SCREW, A SECOND MEMBER COMPRISING A BALL NUT SURROUNDING SAID BALL SCREW, SAID FIRST AND SECOND MEMBERS HAVING MATING HELICAL GROOVES TO DEFINE HELICAL PASSAGES THEREBETWEEN FOR TRAINS OF BALLS FOR INTERCONNECTING SAID FIRST AND SECOND MEMBERS, A LONGITUDINAL SLOT IN ONE OF SAID FIRST AND SECOND MEMBERS DISPOSED TO FACE THE OTHER OF SAID MEMBERS AND INTERRUPT SAID HELICAL PASSAGES, AND A PLURALITY OF INDIVIDUAL BALL RETURN INSERTS MOUNTED IN SAID LONGITUDINAL SLOT, SAID BALL RETURN INSERTS HAVING COMPLEMENTARY GROOVE PORTIONS FORMED IN OPPOSITE SIDES THEREOF, AND SAID INSERTS BEING ARRANGED SIDE-BY-SIDE IN SAID SLOT WHEREBY COMPLEMENTARY GROOVE PORTIONS IN ADJACENT INSERTS WILL COOPERATE TO DEFINE A CROSSOVER PASSAGE TO CONNECT OPPOSITE ENDS OF A CORRESPONDING HELICAL PASSAGE TO PROVIDE A CLOSED CIRCUIT FOR A TRAIN OF BALLS.
Claim 2
Dependent Claim
142 words
A BALL SCREW MECHANISM COMPRISING, IN COMBINATION A FIRST MEMBER COMPRISING A BALL SCREW, A SECOND MEMBER COMPRISING A BALL NUT SURROUNDING SAID BALL SCREW, SAID FIRST AND SECOND MEMBERS HAVING MATING HELICAL GROOVES TO DEFINE HELICAL PASSAGES THEREBETWEEN FOR TRAINS OF BALLS FOR INTERCONNECTING SAID FIRST AND SECOND MEMBERS, A LONGITUDINAL SLOT IN ONE OF SAID FIRST AND SECOND MEMBERS DISPOSED TO FACE THE OTHER OF SAID MEMBERS AND INTERRUPT SAID HELICAL PASSAGES, AND A PLURALITY OF INDIVIDUAL BALL RETURN INSERTS MOUNTED IN SAID LONGITUDINAL SLOT, SAID BALL RETURN INSERTS HAVING COMPLEMENTARY GROOVE PORTIONS FORMED IN OPPOSITE SIDES THEREOF, AND SAID INSERTS BEING ARRANGED SIDE-BY-SIDE IN SAID SLOT WHEREBY COMPLEMENTARY GROOVE PORTIONS IN ADJACENT INSERTS WILL COOPERATE TO DEFINE A CROSSOVER PASSAGE TO CONNECT OPPOSITE ENDS OF A CORRESPONDING HELICAL PASSAGE TO PROVIDE A CLOSED CIRCUIT FOR A TRAIN OF BALLS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |