Patent US3143005A successfully refreshed from Google Patents.
US3143005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple speed hub with automatically varying transmission ratio
Assignee: ZF Friedrichshafen AG
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Filing: 1962-12-12
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Granted: 1964-08-04
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Expires: 1982-12-12
Abstract
No abstract record available.
Inventors
- 👤 Schwerdhofer Hans Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:19
CPC Classifications
B; B62; B62M; B62M11/00; B62M11/04; B62M11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A MULTIPLE SPEED HUB FOR A BICYCLE AND LIKE VEHICLE COMPRISING, IN COMBINATION: (A) A SHAFT HAVING AN AXIS; (B) A DRIVER MEMBER MOUNTED ON SAID SHAFT FOR ROTATION ABOUT THE AXIS THEREOF; (C) A HUB SHELL MOUNTED ON SAID SHAFT AND ROTATABLE ABOUT SAID AXIS, (D) MULTIPLE RATIO TRANSMISSION MEANS MOUNTED IN SAID HUB SHELL FOR ROTATING SAID HUB SHELL AT ONE OF THE MULTIPLE TRANSMISSION RATIOS OF SAID TRANSMISSION MEANS RESPONSIVE TO ROTATION OF SAID DRIVER MEMBER, SAID TRANSMISSION MEANS INCLUDING (1) A PLURALITY OF MESHINGLY ENGAGED TRANSMISSION MEMBERS, ONE OF SAID TRANSMISSION MEMBERS BEING CONNECTED TO SAID DRIVER MEMBER FOR JOINT ROTATION, AND (2) TWO UNIDIRECTIONAL CLUTCH MEANS RESPECTIVELY INTERPOSED BETWEEN TWO OF SAID TRANSMISSION MEMBERS AND SAID HUB SHELL, ONE OF SAID CLUTCH MEANS BEING MOVABLE BETWEEN AN OPERATIVE AND
Claim 2
Dependent Claim
134 words
A MULTIPLE SPEED HUB FOR A BICYCLE AND LIKE VEHICLE COMPRISING, IN COMBINATION: (A) A SHAFT HAVING AN AXIS; (B) A DRIVER MEMBER MOUNTED ON SAID SHAFT FOR ROTATION ABOUT THE AXIS THEREOF; (C) A HUB SHELL MOUNTED ON SAID SHAFT AND ROTATABLE ABOUT SAID AXIS, (D) MULTIPLE RATIO TRANSMISSION MEANS MOUNTED IN SAID HUB SHELL FOR ROTATING SAID HUB SHELL AT ONE OF THE MULTIPLE TRANSMISSION RATIOS OF SAID TRANSMISSION MEANS RESPONSIVE TO ROTATION OF SAID DRIVER MEMBER, SAID TRANSMISSION MEANS INCLUDING (1) A PLURALITY OF MESHINGLY ENGAGED TRANSMISSION MEMBERS, ONE OF SAID TRANSMISSION MEMBERS BEING CONNECTED TO SAID DRIVER MEMBER FOR JOINT ROTATION, AND (2) TWO UNIDIRECTIONAL CLUTCH MEANS RESPECTIVELY INTERPOSED BETWEEN TWO OF SAID TRANSMISSION MEMBERS AND SAID HUB SHELL, ONE OF SAID CLUTCH MEANS BEING MOVABLE BETWEEN AN OPERATIVE AND
References Cited (Backward Citations)
US2147750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |