US3135368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bicycle hub having a built-in two-stage speed change mechanism
Assignee: Individual
•
Filing: 1962-03-06
•
Granted: 1964-06-02
•
Expires: 1982-03-06
Abstract
No abstract record available.
Inventors
- 👤 Shimano Keizo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:25
CPC Classifications
B; B62; B62M; B62M11/00; B62M11/04; B62M11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
IN A BICYCLE HUB HAVING A CLUTCH ACTUATED FROM A SPROCKET WHEEL THROUGH A POWER TRANSMISSION MECHANISM BY AXIAL MOVEMENT, A COMBINATION COMPRISING A HUB SHELL HAVING AN INTERNAL RATCHET WHEEL AND AN INTERNAL TAPERED CLUTCH FACE, A SPROCKET WHEEL HAVING A CYLINDRICAL EXTENSION SUPPORTING ONE END OF SAID HUB SHELL AND HAVING AN INTERNAL GEAR, A PLURALITY OF CHANGE-OVER PAWLS PIVOTALLY MOUNTED IN SAID EXTENSION OF THE SPROCKET WHEEL AND ADAPTED TO ENGAGE WITH SAID INTERNAL RACTCHET WHEEL ON THE HUB SHELL, A FIXED HUB CONE HAVING A SUN GEAR, A PLANET PINION CAGE ARRANGED BETWEEN SAID FIXED HUB CONE AND THE CYLINDRICAL EXTENSION OF THE SPROCKET WHEEL AND HAVING A SCREW THREADED EXTENSION, A PLURALITY OF PLANET PINIONS CARRIED BY SAID PLANET PINION CAGE AND MESHING WITH SAID SUN GEAR ON THE FIXED HUB CONE AND WITH THE INTERNAL GEAR ON THE SPROCKET WHEEL EXTENSION, A CLUTCH CONE SLEEVE CONNECTED WITH SAID SCREW THREADED PORTION OF THE CYLINDRICAL EXTENSION OF SAID PLANET PINION CAGE AND ADAPTED TO BE AXIALLY MOVED UPON ROTATION OF THE PLANET PINION CAGE TO BE MOVED INTO OR OUT OF FRICTIONAL CONTACT WITH SAID TAPERED CLUTCH FACE ON THE HUB SHELL, AND A CYLINDRICAL SHIFTER CAGE MOUNTED ON SAID CLUTCH CONE SLEEVE AND HAVING A PLURALITY OF FIRST AXIAL RECESSES
Claim 2
Dependent Claim
216 words
IN A BICYCLE HUB HAVING A CLUTCH ACTUATED FROM A SPROCKET WHEEL THROUGH A POWER TRANSMISSION MECHANISM BY AXIAL MOVEMENT, A COMBINATION COMPRISING A HUB SHELL HAVING AN INTERNAL RATCHET WHEEL AND AN INTERNAL TAPERED CLUTCH FACE, A SPROCKET WHEEL HAVING A CYLINDRICAL EXTENSION SUPPORTING ONE END OF SAID HUB SHELL AND HAVING AN INTERNAL GEAR, A PLURALITY OF CHANGE-OVER PAWLS PIVOTALLY MOUNTED IN SAID EXTENSION OF THE SPROCKET WHEEL AND ADAPTED TO ENGAGE WITH SAID INTERNAL RACTCHET WHEEL ON THE HUB SHELL, A FIXED HUB CONE HAVING A SUN GEAR, A PLANET PINION CAGE ARRANGED BETWEEN SAID FIXED HUB CONE AND THE CYLINDRICAL EXTENSION OF THE SPROCKET WHEEL AND HAVING A SCREW THREADED EXTENSION, A PLURALITY OF PLANET PINIONS CARRIED BY SAID PLANET PINION CAGE AND MESHING WITH SAID SUN GEAR ON THE FIXED HUB CONE AND WITH THE INTERNAL GEAR ON THE SPROCKET WHEEL EXTENSION, A CLUTCH CONE SLEEVE CONNECTED WITH SAID SCREW THREADED PORTION OF THE CYLINDRICAL EXTENSION OF SAID PLANET PINION CAGE AND ADAPTED TO BE AXIALLY MOVED UPON ROTATION OF THE PLANET PINION CAGE TO BE MOVED INTO OR OUT OF FRICTIONAL CONTACT WITH SAID TAPERED CLUTCH FACE ON THE HUB SHELL, AND A CYLINDRICAL SHIFTER CAGE MOUNTED ON SAID CLUTCH CONE SLEEVE AND HAVING A PLURALITY OF FIRST AXIAL RECESSES
References Cited (Backward Citations)
US2143798A
Cited
US2993575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |