Patent US3154262A successfully refreshed from Google Patents.
US3154262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking, quick-release hub
Assignee: Unisys Corp
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Filing: 1962-04-30
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Granted: 1964-10-27
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Neal B Cohen
- 👤 Sotman Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:29
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/66; G11B15/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A HUB HAVING A CYLINDRICAL EXTERNAL HOUSING WITH APERTURES THEREIN THROUGH WHICH REEL GRIPPING ELEMENTS MAY PROTUDE, SAID REEL GRIPPING ELEMENTS HAVING A TAPERED INTERNAL SURFACE, AN AXIALLY DISPOSED CAM HAVING TWO SEPARATE TAPERED SURFACES JOINED BY A STEP-LIKE RISER, THE TAPERED SURFACE OF SAID REEL GRIPPING ELEMENTS HAVING A TAPER COMPLEMENTARY TO THE TAPER OF SAID CAM, A FURTHER SURFACE OF SAID REEL GRIPPING ELEMENTS ADAPTED TO SELECTIVELY BEAR AGAINST SAID STEP-LIKE RISER OF SAID CAM TO LOCK SAID CAM AND SAID REEL GRIPPING ELEMENTS IN A FIRST POSITION, MEANS ENGAGED WITH SAID REEL GRIPPING ELEMENTS FOR SELECTIVELY MOVING SAID ELEMENTS SUCH THAT SAID FURTHER SURFACE THEREOF IS REMOVED AND SAID CAM IS FREE TO ASSUME A SECOND POSITION, AND SPRING LOADED MEANS FOR NORMALLY URGING SAID CAM TOWARD SAID SECOND POSITION WHEREBY SAID REEL GRIPPING ELEMENTS ARE URGED TOWARD A SECOND POSITION.
Claim 2
Dependent Claim
145 words
IN A HUB HAVING A CYLINDRICAL EXTERNAL HOUSING WITH APERTURES THEREIN THROUGH WHICH REEL GRIPPING ELEMENTS MAY PROTUDE, SAID REEL GRIPPING ELEMENTS HAVING A TAPERED INTERNAL SURFACE, AN AXIALLY DISPOSED CAM HAVING TWO SEPARATE TAPERED SURFACES JOINED BY A STEP-LIKE RISER, THE TAPERED SURFACE OF SAID REEL GRIPPING ELEMENTS HAVING A TAPER COMPLEMENTARY TO THE TAPER OF SAID CAM, A FURTHER SURFACE OF SAID REEL GRIPPING ELEMENTS ADAPTED TO SELECTIVELY BEAR AGAINST SAID STEP-LIKE RISER OF SAID CAM TO LOCK SAID CAM AND SAID REEL GRIPPING ELEMENTS IN A FIRST POSITION, MEANS ENGAGED WITH SAID REEL GRIPPING ELEMENTS FOR SELECTIVELY MOVING SAID ELEMENTS SUCH THAT SAID FURTHER SURFACE THEREOF IS REMOVED AND SAID CAM IS FREE TO ASSUME A SECOND POSITION, AND SPRING LOADED MEANS FOR NORMALLY URGING SAID CAM TOWARD SAID SECOND POSITION WHEREBY SAID REEL GRIPPING ELEMENTS ARE URGED TOWARD A SECOND POSITION.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |