Patent US3148755A successfully refreshed from Google Patents.
US3148755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive clutch with intermeshing gear teeth
Assignee: Individual
•
Filing: 1962-09-26
•
Granted: 1964-09-15
•
Expires: 1982-09-26
Abstract
No abstract record available.
Inventors
- 👤 Frank T Pisano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:12
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/02; F; F16; F16D; F16D11/00; F16D11/08; F16D11/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A CLUTCH HAVING INPUT AND OUTPUT SHAFTS, A SUN GEAR ON ONE OF SAID SHAFTS, A SHIFTABLE MEMBER ON THE OTHER OF SAID SHAFTS AND HAVING AN ARCUATE SLOT, SAID SLOT HAVING TAPERED EDGE PORTIONS, A PAIR OF PLANETARY GEARS ENGAGED WITH SAID SUN GEAR, A HOUSING ROTATABLE WITH SAID OTHER SHAFT AND SUBSTANTIALLY ENCLOSING SAID GEARS, ONE OF SAID PLANETARY GEARS HAVING A SHAFT WITH ONE END THEREOF FIXED TO SAID HOUSING, SAID HOUSING HAVING AN END WALL WITH A SLOT THEREIN, THE OTHER OF SAID PLANETARY GEARS HAVING A SHAFT WITH ONE END EXTENDING INTO SAID HOUSING END WALL SLOT, THE OTHER ENDS OF SAID PLANETARY GEAR SHAFTS EACH BEING TAPERED AND ENGAGED IN OPPOSED ENDS OF SAID TAPERED ARCUATE SLOT, WHEREBY MOVEMENT OF SAID SHIFTABLE MEMBER TOWARD SAID ONE SHAFT WILL MOVE SAID PLANETARY GEARS INTO ENGAGEMENT WITH ONE ANOTHER WHILE EACH REMAINS IN ENGAGEMENT WITH SAID SUN GEAR.
Claim 2
Dependent Claim
153 words
IN A CLUTCH HAVING INPUT AND OUTPUT SHAFTS, A SUN GEAR ON ONE OF SAID SHAFTS, A SHIFTABLE MEMBER ON THE OTHER OF SAID SHAFTS AND HAVING AN ARCUATE SLOT, SAID SLOT HAVING TAPERED EDGE PORTIONS, A PAIR OF PLANETARY GEARS ENGAGED WITH SAID SUN GEAR, A HOUSING ROTATABLE WITH SAID OTHER SHAFT AND SUBSTANTIALLY ENCLOSING SAID GEARS, ONE OF SAID PLANETARY GEARS HAVING A SHAFT WITH ONE END THEREOF FIXED TO SAID HOUSING, SAID HOUSING HAVING AN END WALL WITH A SLOT THEREIN, THE OTHER OF SAID PLANETARY GEARS HAVING A SHAFT WITH ONE END EXTENDING INTO SAID HOUSING END WALL SLOT, THE OTHER ENDS OF SAID PLANETARY GEAR SHAFTS EACH BEING TAPERED AND ENGAGED IN OPPOSED ENDS OF SAID TAPERED ARCUATE SLOT, WHEREBY MOVEMENT OF SAID SHIFTABLE MEMBER TOWARD SAID ONE SHAFT WILL MOVE SAID PLANETARY GEARS INTO ENGAGEMENT WITH ONE ANOTHER WHILE EACH REMAINS IN ENGAGEMENT WITH SAID SUN GEAR.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |