Patent US3250485A successfully refreshed from Google Patents.
US3250485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel hub lock
Assignee: Individual
•
Filing: 1964-04-16
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Granted: 1966-05-10
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Guy S Fugit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:31
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/66; G11B15/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
230 words
A REEL HUB LOCK FOR MOUNTING A RELL TO A SHAFT, COMPRISING, A HUB HAVING A RADIALLY EXTENDING FLANGE AND AN ANNULAR AXIALLY EXTENDING SHOULDER AND INCLUDING MEANS FOR ATTACHING TO A DRIVE SHAFT, A SPINDLE INCLUDING MEANS FOR MOUNTING ON SAID HUB IN AXIALLY EXTENDING RELATIONSHIP THERETO, A DEFORMABLE SLEEVE MOUNTED ON SAID SPINDLE WITH ONE EDGE ENGAGING SAID SHOULDER ON SAID HUB, A THRUST CUP HAVING A RIM FOR ENGAGEMENT WITH THE OPPOSITE EDGE OF THE DEFORMABLE SLEEVE, A HOLLOW DRIVE TUBE THREADABLY ENGAGED WITHIN SAID SPINDLE, THE OUTER END OF SAID DRIVE TUBE HAVING A SHOULDER INTEGRALLY FORMED THEREON, A THRUST BEARING AND SPRING MEANS COUPLING SAID SHOULDER TO SAID THRUST CUP TO TRANSMIT AXIAL MOVEMENT OF SAID DRIVE TUBE TO SAID SLEEVE, A SHAFT ROTATABLY MOUNTED WITHIN SAID HOLLOW DRIVE TUBE, A KNOB COUPLED TO THE OUTER END OF SAID DRIVE TUBE, MEANS COUPLING SAID SHAFT TO SAID TUBE TO TRANSMIT ROTATIVE MOTION OF SAID SHAFT TO SAID TUBE AND TO PERMIT RELATIVE AXIAL MOTION THEREBETWEEN, AND SAID KNOB HAVING A DIAGONAL DIMENSION GREATER THAN THE SPINDLE APERTURE OF SAID REEL SO THAT AS SAID KNOB IS ROTATED, THE DRIVE TUBE WILL MOVE AXIALLY TO CLAMP AND DEFORM SAID SLEEVE INTO GRIPPING ENGAGEMENT WITH THE SPINDLE APERTURE AND SO THAT SAID KNOB WILL CLAMP THE REEL BETWEEN THE KNOB AND SAID RADIAL FLANGE ON SAID HUB.
Claim 2
Dependent Claim
230 words
A REEL HUB LOCK FOR MOUNTING A RELL TO A SHAFT, COMPRISING, A HUB HAVING A RADIALLY EXTENDING FLANGE AND AN ANNULAR AXIALLY EXTENDING SHOULDER AND INCLUDING MEANS FOR ATTACHING TO A DRIVE SHAFT, A SPINDLE INCLUDING MEANS FOR MOUNTING ON SAID HUB IN AXIALLY EXTENDING RELATIONSHIP THERETO, A DEFORMABLE SLEEVE MOUNTED ON SAID SPINDLE WITH ONE EDGE ENGAGING SAID SHOULDER ON SAID HUB, A THRUST CUP HAVING A RIM FOR ENGAGEMENT WITH THE OPPOSITE EDGE OF THE DEFORMABLE SLEEVE, A HOLLOW DRIVE TUBE THREADABLY ENGAGED WITHIN SAID SPINDLE, THE OUTER END OF SAID DRIVE TUBE HAVING A SHOULDER INTEGRALLY FORMED THEREON, A THRUST BEARING AND SPRING MEANS COUPLING SAID SHOULDER TO SAID THRUST CUP TO TRANSMIT AXIAL MOVEMENT OF SAID DRIVE TUBE TO SAID SLEEVE, A SHAFT ROTATABLY MOUNTED WITHIN SAID HOLLOW DRIVE TUBE, A KNOB COUPLED TO THE OUTER END OF SAID DRIVE TUBE, MEANS COUPLING SAID SHAFT TO SAID TUBE TO TRANSMIT ROTATIVE MOTION OF SAID SHAFT TO SAID TUBE AND TO PERMIT RELATIVE AXIAL MOTION THEREBETWEEN, AND SAID KNOB HAVING A DIAGONAL DIMENSION GREATER THAN THE SPINDLE APERTURE OF SAID REEL SO THAT AS SAID KNOB IS ROTATED, THE DRIVE TUBE WILL MOVE AXIALLY TO CLAMP AND DEFORM SAID SLEEVE INTO GRIPPING ENGAGEMENT WITH THE SPINDLE APERTURE AND SO THAT SAID KNOB WILL CLAMP THE REEL BETWEEN THE KNOB AND SAID RADIAL FLANGE ON SAID HUB.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |