Patent US3203519A successfully refreshed from Google Patents.
US3203519A
Expired / Lapsed
US
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Freewheeling hub with coaster brake
Assignee: ZF Friedrichshafen AG
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Filing: 1963-05-07
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Granted: 1965-08-31
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Expires: 1983-05-07
Abstract
No abstract record available.
Inventors
- 👤 Schwerdhofer Hans Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:49
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/24; F16D41/30; B; B62; B62L; B62L5/00; B62L5/10; B62L5/14; B62M; B62M11/00; B62M11/04; B62M11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
A FREEWHEELING HUB FOR A BICYCLE AND THE LIKE COMPRISING, IN COMBINATION: (A) A SUPPORT (B) HUB SHELL MEANS ROTATABLE ON SAID SUPPORT ABOUT AN AXIS; (C) A DRIVER MEMBER ROTATABLE ON SAID SUPPORT IN A FORWARD DIRECTION AND IN A BACKWARD DIRECTION; (D) A RATCHET COUPLING INTERPOSED BETWEEN SAID DRIVER MEMBER AND SAID HUB SHELL MEANS FOR SELECTIVELY ROTATING SAID HUB SHELL MEANS ABOUT SAID AXIS WHEN SAID DRIVER MEMBER ROTATES IN SAID FORWARD DIRECTTION, SAID RATCHET COUPLING INCLUDING A PLURALITY OF RATCHET RIBS ON SAID HUB SHELL MEANS; AND A PAWL ENGAGEABLE WITH EACH OF SAID RIBS AND CONNECTED TO SAID DRIVER MEMBER FOR JOINT ROTATION THEREWITH ABOUT SAID AXIS; AND (E) MULTIPLE DISK BRAKE MEANS INCLUDING (1) A PLURALITY OF FIRST FRICTION DISK MEANS SECURED ON SAID SUPPORT AGAINST ROTATION ABOUT SAID AXIS; (2) A PLURALITY OF SECOND FRICTION DISK MEANS HAVING RESPECTIVE PROJECTIONS, EACH PROJECTION ENGAGING ONE OF SAID RATCHET RIBS AND THEREBY SECURING THE SECOND FRICTION DISK MEANS TO SAID HUB SHELL MEANS FOR ROATION DISK M EANS BEING (3) SAID FIRST AND SECOND FRICTION DISK MEANS BEING AXIALLY M OVABLE REATIVE TO EACH OTHER TOWARD AND AWAY FROM A POSITION OF BRAKING ENGAGEMENT, AND PRESSURE MEANS RESPONSIVE TO BACKWARD ROTATION OF SAID DRIVER MEMBER FOR MOVING SAID FRICTION DISK MEANS TOWARD SAID POSITION THEREOF.
Claim 2
Dependent Claim
220 words
A FREEWHEELING HUB FOR A BICYCLE AND THE LIKE COMPRISING, IN COMBINATION: (A) A SUPPORT (B) HUB SHELL MEANS ROTATABLE ON SAID SUPPORT ABOUT AN AXIS; (C) A DRIVER MEMBER ROTATABLE ON SAID SUPPORT IN A FORWARD DIRECTION AND IN A BACKWARD DIRECTION; (D) A RATCHET COUPLING INTERPOSED BETWEEN SAID DRIVER MEMBER AND SAID HUB SHELL MEANS FOR SELECTIVELY ROTATING SAID HUB SHELL MEANS ABOUT SAID AXIS WHEN SAID DRIVER MEMBER ROTATES IN SAID FORWARD DIRECTTION, SAID RATCHET COUPLING INCLUDING A PLURALITY OF RATCHET RIBS ON SAID HUB SHELL MEANS; AND A PAWL ENGAGEABLE WITH EACH OF SAID RIBS AND CONNECTED TO SAID DRIVER MEMBER FOR JOINT ROTATION THEREWITH ABOUT SAID AXIS; AND (E) MULTIPLE DISK BRAKE MEANS INCLUDING (1) A PLURALITY OF FIRST FRICTION DISK MEANS SECURED ON SAID SUPPORT AGAINST ROTATION ABOUT SAID AXIS; (2) A PLURALITY OF SECOND FRICTION DISK MEANS HAVING RESPECTIVE PROJECTIONS, EACH PROJECTION ENGAGING ONE OF SAID RATCHET RIBS AND THEREBY SECURING THE SECOND FRICTION DISK MEANS TO SAID HUB SHELL MEANS FOR ROATION DISK M EANS BEING (3) SAID FIRST AND SECOND FRICTION DISK MEANS BEING AXIALLY M OVABLE REATIVE TO EACH OTHER TOWARD AND AWAY FROM A POSITION OF BRAKING ENGAGEMENT, AND PRESSURE MEANS RESPONSIVE TO BACKWARD ROTATION OF SAID DRIVER MEMBER FOR MOVING SAID FRICTION DISK MEANS TOWARD SAID POSITION THEREOF.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |