Patent US777677A successfully refreshed from Google Patents.
US3118291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axiajxy movable coupling
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
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Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/04; F16D7/06; F16D7/08; F16D3/00; F16D3/02; F16D3/06; F16D3/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A TORQUE TRANSMITTING TELESCOPIC JOINT, THE COMBINATION OF AN OUTER SLEEVE MEMBER HAVING AN INTERNAL WALL AND AXIALLY EXTENDING GROOVES IN SAID INTERNAL WALL, AN INNER SLIDE MEMBER RADIALLY ENCLOSED IN SAID OUTER SLEEVE MEMBER, SAID INNER SLIDE MEMBER HAVING A CIRCUMFERENTIAL WALL AND AXIALLY EXTENDING GROOVES IN SAID CIRCUMFERENTIAL WALL, SAID LATTER GROOVES REGISTERING PAIR BY PAIR WITH SAID GROOVES IN SAID OUTER SLEEVE MEMBER; AT LEAST ONE TORQUE TRANSMITTING BALL MOVABLE ALONG AND RECEIVED WITHIN EACH REGISTERING PAIR OF GROOVES AND PERMITTING THE RELATIVE TELESCOPIC MOVEMENT OF SAID INNER AND OUTER MEMBERS WITH REDUCED FRICTION; AND BALL POSITIONING MEANS WITHIN EACH SAID PAIR OF GROOVES; SAID LATTER MEANS COMPRISING AT LEAST ONE FLEXIBLE, RELATIVELY NARROW SLING MEMBER HAVING ITS ENDS RESPECTIVELY SECURED TO SAID INNER SLIDE MEMBER AND TO SAID OUTER SLEEVE MEMBER, THEREBY FORMING THEREBETWEEN AND IN SAID PAIR OF REGISTERING GROOVES A TRANSLATIONALLY MOVABLE, BALL SUSPENDING, LOOP.
Claim 2
Dependent Claim
152 words
IN A TORQUE TRANSMITTING TELESCOPIC JOINT, THE COMBINATION OF AN OUTER SLEEVE MEMBER HAVING AN INTERNAL WALL AND AXIALLY EXTENDING GROOVES IN SAID INTERNAL WALL, AN INNER SLIDE MEMBER RADIALLY ENCLOSED IN SAID OUTER SLEEVE MEMBER, SAID INNER SLIDE MEMBER HAVING A CIRCUMFERENTIAL WALL AND AXIALLY EXTENDING GROOVES IN SAID CIRCUMFERENTIAL WALL, SAID LATTER GROOVES REGISTERING PAIR BY PAIR WITH SAID GROOVES IN SAID OUTER SLEEVE MEMBER; AT LEAST ONE TORQUE TRANSMITTING BALL MOVABLE ALONG AND RECEIVED WITHIN EACH REGISTERING PAIR OF GROOVES AND PERMITTING THE RELATIVE TELESCOPIC MOVEMENT OF SAID INNER AND OUTER MEMBERS WITH REDUCED FRICTION; AND BALL POSITIONING MEANS WITHIN EACH SAID PAIR OF GROOVES; SAID LATTER MEANS COMPRISING AT LEAST ONE FLEXIBLE, RELATIVELY NARROW SLING MEMBER HAVING ITS ENDS RESPECTIVELY SECURED TO SAID INNER SLIDE MEMBER AND TO SAID OUTER SLEEVE MEMBER, THEREBY FORMING THEREBETWEEN AND IN SAID PAIR OF REGISTERING GROOVES A TRANSLATIONALLY MOVABLE, BALL SUSPENDING, LOOP.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |