US3318166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-lubricated variable speed motor pulley
Assignee: Eaton Corp
•
Filing: 1964-11-27
•
Granted: 1967-05-09
•
Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Vern A Anderson
- 👤 June L Durney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:30
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A VARIABLE SPEED PULLEY ADAPTED TO BE MOUNTED ON A SHAFT AND TO COACT WITH A BELT COMPRISING: A FIRST FLANGE FIXEDLY CONNECTED TO THE SHAFT AND HAVING AN ELONGATED HUB AXIALLY PROJECTING FROM ONE SIDE THEREOF, A SECOND FLANGE HAVING AN ELONGATED HUB PROJECTING FROM ONE SIDE THEREOF AND SLIDABLY DISPOSED ABOUT THE ELONGATED HUB OF THE FIRST FLANGE IN NON-CONTACTING RELATIONSHIP, THE ELONGATED HUB OF SAID SECOND FLANGE HAVING A PAIR OF AXIALLY SPACED ANNULAR GROOVES, A PAIR OF GRAPHITE BUSHINGS TO PREVENT FRETTING, SAID BUSHINGS BEING DISPOSED IN SAID ANNULAR GROOVES AND IN BEARING ENGAGEMENT WITH THE SURFACE OF SAID ELONGATED HUB OF SAID FIRST FLANGE FOR PROVIDING A SLIDING SURFACE FOR RELATIVE MOVEMENT BETWEEN SAID FIRST AND SECOND FLANGES, MEANS FOR OPERATIVELY CONNECTING SAID FIRST AND SECOND FLANGES, AND MEANS FOR URGING SAID SECOND FLANGE TOWARDS SAID FIRST FLANGE.
Claim 2
Dependent Claim
143 words
A VARIABLE SPEED PULLEY ADAPTED TO BE MOUNTED ON A SHAFT AND TO COACT WITH A BELT COMPRISING: A FIRST FLANGE FIXEDLY CONNECTED TO THE SHAFT AND HAVING AN ELONGATED HUB AXIALLY PROJECTING FROM ONE SIDE THEREOF, A SECOND FLANGE HAVING AN ELONGATED HUB PROJECTING FROM ONE SIDE THEREOF AND SLIDABLY DISPOSED ABOUT THE ELONGATED HUB OF THE FIRST FLANGE IN NON-CONTACTING RELATIONSHIP, THE ELONGATED HUB OF SAID SECOND FLANGE HAVING A PAIR OF AXIALLY SPACED ANNULAR GROOVES, A PAIR OF GRAPHITE BUSHINGS TO PREVENT FRETTING, SAID BUSHINGS BEING DISPOSED IN SAID ANNULAR GROOVES AND IN BEARING ENGAGEMENT WITH THE SURFACE OF SAID ELONGATED HUB OF SAID FIRST FLANGE FOR PROVIDING A SLIDING SURFACE FOR RELATIVE MOVEMENT BETWEEN SAID FIRST AND SECOND FLANGES, MEANS FOR OPERATIVELY CONNECTING SAID FIRST AND SECOND FLANGES, AND MEANS FOR URGING SAID SECOND FLANGE TOWARDS SAID FIRST FLANGE.
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |