US3120744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joint
Assignee: Old Carco LLC
•
Filing: 1961-10-19
•
Granted: 1964-02-11
•
Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 George E Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:19
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/202; F16D3/205; F16D3/2052; B; B62; B62D; B62D1/00; B62D1/02; B62D1/16; B62D1/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
168 words
A UNIVERSAL JOINT FOR INTERCONNECTING A PAIR OF SHAFTS COMPRISING A CUP-LIKE HOUSING HAVING COLLAR MEANS PROJECTING FROM ITS BOTTOM END ADAPTED TO BE DRIVINGLY CONNECTED TO A FIRST SHAFT, SAID HOUSING CUP HAVING OPPOSED, LONGITUDINALLY EXTENDING, INTERIOR SIDE WALL PORTIONS CONNECTED AT THE OPPOSITE ENDS BY FLAT BOTTOM WALLS AND PROVIDING A PAIR OF SPACED, FLAT SIDED GROOVES OF CHANNELLIKE CROSS SECTION ADAPTED TO SLIDABLY RECEIVE A PAIR OF SPACED, OPPOSITELY DISPOSED, ROCKER SHOES, EACH ROCKER SHOE HAVING AN OUTER FACE SHAPED TO PROVIDE SUBSTANTIALLY LINE CONTACT WITH THE FLAT BOTTOM WALL OF THE ADJACENT CHANNEL-LIKE HOUSING GROOVE, SAID ROCKER OUTER FACE BEING FORMED FROM A PAIR OF OUTWARDLY CONVERGING PLANAR SURFACES THAT ARE ADAPTED TO BE ROCKED INTO PLANAR CONTACT WITH SAID ADJACENT GROOVE FLAT BOTTOM WALL TO LIMIT THE ANGULAR OSCILLATION OF THE ROCKER SHOE IN A PLANE EXTENDING LENGTHWISE OF THE HOUSING SHOE RECEIVING CHANNELS, A SECOND SHAFT EXTENDING INTO SAID HOUSING THROUGH THE OPEN END THEREOF HAVING A CROSS PIN PROJECTING FROM OPPOSITE
References Cited (Backward Citations)
FR350954A
Cited
US919651A
Cited
GB199247A
Cited
GB522036A
Cited
US2997320A
Cited
US3016721A
Cited
US3029617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |