Patent US3572091A successfully refreshed from Google Patents.
Patent US3225614A successfully refreshed from Google Patents.
US3225614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheave
Assignee: SMALL BUSINESS ADMINISTRATION
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Filing: 1963-06-24
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Granted: 1965-12-28
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Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 William J Skinner
- 👤 Earl D Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:02
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/44; B; B21; B21H; B21H1/00; B21H1/02; B21H1/04; Y; Y10; Y10S; Y10S474/00; Y10S474/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A SHEAVE COMPRISING A DISC-SHAPED BODY HAVING A GENERALLY ROUND CENTER OPENING WITH THREE EQUALLY SPACED RADIALLY EXTENDING SLOTS OF GENERALLY RECTANGULAR SHAPE IN THE PORTION OF SAID BODY DEFINING SAID OPENING, STRAIGHT ANNULAR FLANGES JOINED INTEGRALLY TO THE PERIPHERY OF SAID BODY AND EXTENDING OUTWARDLY THEREFROM AT EQUILATERAL ANGLES, THE FLANGES BEING OF EQUAL THICKNESS AND HAVING A TOTAL THICKNESS EQUAL TO THE THICKNESS OF SAID BODY, EACH FLANGE HAVING AXIALLY EXTENDING BEADS ON THE EXTERNAL EDGE THEREOF AND BEING CONNECTED TO ONE ANOTHER BY A RELATIVELY BROAD CURVED STRUCTURE, A HUB INCLUDING A CYLINDRICAL MEMBER HAVING AN AXIAL BORE THERETHROUGH AND A PROTRUSION ON ONE END OF SAID MEMBER OF THE SAME CONFIGURATION AS SAID OPENING AND WITH LUGS THEREON INTERLOCKING WITH THE SLOTS, A RADIALLY EXTENDING SHOULDER BETWEEN SAID PROTRUSION AND THE PERIPHERY OF SAID MEMBER FOR RECEIVING A SIDE OF SAID BODY, AND A PLURALITY OF PINS EXTENDING AXIALLY THROUGH SAID BODY IN THE SPACE BETWEEN SAID SLOTS AND SEATING IN HOLES IN SAID HUB MEMBER, EACH OF SAID PINS BEING SPACED RADIALLY OUTWARDLY FROM SAID PROTRUSION.
Claim 2
Dependent Claim
181 words
A SHEAVE COMPRISING A DISC-SHAPED BODY HAVING A GENERALLY ROUND CENTER OPENING WITH THREE EQUALLY SPACED RADIALLY EXTENDING SLOTS OF GENERALLY RECTANGULAR SHAPE IN THE PORTION OF SAID BODY DEFINING SAID OPENING, STRAIGHT ANNULAR FLANGES JOINED INTEGRALLY TO THE PERIPHERY OF SAID BODY AND EXTENDING OUTWARDLY THEREFROM AT EQUILATERAL ANGLES, THE FLANGES BEING OF EQUAL THICKNESS AND HAVING A TOTAL THICKNESS EQUAL TO THE THICKNESS OF SAID BODY, EACH FLANGE HAVING AXIALLY EXTENDING BEADS ON THE EXTERNAL EDGE THEREOF AND BEING CONNECTED TO ONE ANOTHER BY A RELATIVELY BROAD CURVED STRUCTURE, A HUB INCLUDING A CYLINDRICAL MEMBER HAVING AN AXIAL BORE THERETHROUGH AND A PROTRUSION ON ONE END OF SAID MEMBER OF THE SAME CONFIGURATION AS SAID OPENING AND WITH LUGS THEREON INTERLOCKING WITH THE SLOTS, A RADIALLY EXTENDING SHOULDER BETWEEN SAID PROTRUSION AND THE PERIPHERY OF SAID MEMBER FOR RECEIVING A SIDE OF SAID BODY, AND A PLURALITY OF PINS EXTENDING AXIALLY THROUGH SAID BODY IN THE SPACE BETWEEN SAID SLOTS AND SEATING IN HOLES IN SAID HUB MEMBER, EACH OF SAID PINS BEING SPACED RADIALLY OUTWARDLY FROM SAID PROTRUSION.
References Cited (Backward Citations)
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |