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Patent US3220272A successfully refreshed from Google Patents.
US3220272A
Expired / Lapsed
US
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Self-cleaning pulley
Assignee: Jeffrey Galion Manufacturing Co
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Filing: 1964-02-27
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Granted: 1965-11-30
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Beausoleil Leopold Armand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:16
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; B; B65; B65G; B65G39/00; B65G39/02; B65G39/07; B65G39/073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PULLEY CONSTRUCTION IN WHICH THE PERIPHERY OF THE PULLEY COMPRISES A PLURALITY OF CIRCUMFERENTIALLY SPACED SLATS FOR ENGAGEMENT WITH A BELT OR THE LIKE, EACH SLAT INCLUDING SEVERAL BLOCKS DISPOSED IN AN AXIAL LINE, AN ELEMENT EXTENDING IN AN AXIAL DIRECTION THROUGH THE SEVERAL BLOCKS TO SECURE THE BLOCKS TO THE PULLEY, AND RELEASABLE MEANS SECURING SAID AXIALLY EXTENDING ELEMENT TO THE PULLEY TO PERMIT SAID ELEMENT TO BE REMOVED FOR REPLACEMENT OF SAID BLOCKS.
Claim 2
Dependent Claim
76 words
A PULLEY CONSTRUCTION IN WHICH THE PERIPHERY OF THE PULLEY COMPRISES A PLURALITY OF CIRCUMFERENTIALLY SPACED SLATS FOR ENGAGEMENT WITH A BELT OR THE LIKE, EACH SLAT INCLUDING SEVERAL BLOCKS DISPOSED IN AN AXIAL LINE, AN ELEMENT EXTENDING IN AN AXIAL DIRECTION THROUGH THE SEVERAL BLOCKS TO SECURE THE BLOCKS TO THE PULLEY, AND RELEASABLE MEANS SECURING SAID AXIALLY EXTENDING ELEMENT TO THE PULLEY TO PERMIT SAID ELEMENT TO BE REMOVED FOR REPLACEMENT OF SAID BLOCKS.
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |