US3203279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission device
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1960-10-11
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Granted: 1965-08-31
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Expires: 1980-10-11
Abstract
No abstract record available.
Inventors
- 👤 Donald D Rahrig
- 👤 Plante James F La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:21
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A POWER TRANSMISSION DEVICE, THE COMBINATION OF A BASE, A DRIVING SHAFT JOURNALED ON SAID BASE TO ROTATE ABOUT A FIXED AXIS, POWER MEANS ROTATING SAID DRIVING SHAFT, A DRIVING MEMBER SPLINED ON SAID DRIVING SHAFT TO ROTATE THEREWITH, A PAIR OF DRIVEN MEMBERS MOUNTED ON SAID SHAFT AND DISPOSED ON OPPOSITE SIDES OF SAID DRIVING MEMBER FOR ROTATION RELATIVE TO SAID SHAFT, FRICTION FACES FORMED ON OPPOSITE SIDES OF SAID DRIVING MEMBER TO COOPERATE WITH CONTIGUOUS FACES FORMED ON SAID DRIVEN MEMBERS, MEANS SELECTIVELY SHIFTINGSAID DRIVING MEMBER TOWARD ONE OR THE OTHER OF SAID DRIVEN MEMBERS THEREBY TO BRING ONE OR THE OTHER OF SAID CONTIGUOUS FACES INTO GRIPPING ENGAGEMENT WITH ONE OR THE OTHER OF SAID DRIVING MEMBER FRICTION FACES, A DRIVEN SHAFT JOURNALED ON SAID BASE TO ROTATE ABOUT AN AXIS PARALLEL TO SAID FIXED AXIS, AND MEANS COUPLING EACH OF SAID DRIVEN MEMBERS TO SAID DRIVEN SHAFT TO DRIVE SAID DRIVEN SHAFT IN THE SAME DIRECTION AT EITHER OF TWO DIFFERENT SPEEDS.
Claim 2
Dependent Claim
167 words
IN A POWER TRANSMISSION DEVICE, THE COMBINATION OF A BASE, A DRIVING SHAFT JOURNALED ON SAID BASE TO ROTATE ABOUT A FIXED AXIS, POWER MEANS ROTATING SAID DRIVING SHAFT, A DRIVING MEMBER SPLINED ON SAID DRIVING SHAFT TO ROTATE THEREWITH, A PAIR OF DRIVEN MEMBERS MOUNTED ON SAID SHAFT AND DISPOSED ON OPPOSITE SIDES OF SAID DRIVING MEMBER FOR ROTATION RELATIVE TO SAID SHAFT, FRICTION FACES FORMED ON OPPOSITE SIDES OF SAID DRIVING MEMBER TO COOPERATE WITH CONTIGUOUS FACES FORMED ON SAID DRIVEN MEMBERS, MEANS SELECTIVELY SHIFTINGSAID DRIVING MEMBER TOWARD ONE OR THE OTHER OF SAID DRIVEN MEMBERS THEREBY TO BRING ONE OR THE OTHER OF SAID CONTIGUOUS FACES INTO GRIPPING ENGAGEMENT WITH ONE OR THE OTHER OF SAID DRIVING MEMBER FRICTION FACES, A DRIVEN SHAFT JOURNALED ON SAID BASE TO ROTATE ABOUT AN AXIS PARALLEL TO SAID FIXED AXIS, AND MEANS COUPLING EACH OF SAID DRIVEN MEMBERS TO SAID DRIVEN SHAFT TO DRIVE SAID DRIVEN SHAFT IN THE SAME DIRECTION AT EITHER OF TWO DIFFERENT SPEEDS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |