US3199890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel mounting
Assignee: Individual
•
Filing: 1963-06-21
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Granted: 1965-08-10
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Everette V Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:17
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/061; B62D53/062; B60; B60G; B60G17/00; B60G17/02; B60G17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A WHEELED VEHICLE HAVING A CHASSIS AND A WHEEL SUPPORTING THE CHASSIS, THE IMPROVEMENT COMPRISING MEANS MOUNTING THE WHEEL FOR MOVEMENT RELATIE TO THE CHASSIS COMPRISING A BELL CRANK MOUNTED ON THE CHASSIS FOR ROTATION ABOUT A FIRST HORIZONTAL AXIS, THE BELL CRANK HAVING A PAIR OF ARMS EXTENDING AWAY FROM SAID FIRST AXIS, THE WHEEL BEING MOUNTED ON ONE SAID ARM FOR ROTATION ABOUT A SECOND HORIZONTAL AXIS SPACED FROM AND PARALLEL TO SAID FIRST AXIS, AND MEANS CARRIED BY THE CHASSIS AND ACTING AGAINST THE OTHER ARM CONTINUOUSLY YIELDING TO PRESS THE WHEEL AGAINST A SUBJACENT SUPPORT, THE LAST-NAMED MEANS INCLUDING A COIL COMPRESSION SPRING, A FLUID MOTOR BETWEEN THE CHASSIS AND THE SPRING, AND A LOST MOTION CONNECTION BETWEEN THE FLUID MOTOR AND THE SPRING AND INTERCONNECTING THE FLUID MOTOR AND THE SPRING FOR VERTICAL SWING ING MOVEMENT RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
146 words
IN A WHEELED VEHICLE HAVING A CHASSIS AND A WHEEL SUPPORTING THE CHASSIS, THE IMPROVEMENT COMPRISING MEANS MOUNTING THE WHEEL FOR MOVEMENT RELATIE TO THE CHASSIS COMPRISING A BELL CRANK MOUNTED ON THE CHASSIS FOR ROTATION ABOUT A FIRST HORIZONTAL AXIS, THE BELL CRANK HAVING A PAIR OF ARMS EXTENDING AWAY FROM SAID FIRST AXIS, THE WHEEL BEING MOUNTED ON ONE SAID ARM FOR ROTATION ABOUT A SECOND HORIZONTAL AXIS SPACED FROM AND PARALLEL TO SAID FIRST AXIS, AND MEANS CARRIED BY THE CHASSIS AND ACTING AGAINST THE OTHER ARM CONTINUOUSLY YIELDING TO PRESS THE WHEEL AGAINST A SUBJACENT SUPPORT, THE LAST-NAMED MEANS INCLUDING A COIL COMPRESSION SPRING, A FLUID MOTOR BETWEEN THE CHASSIS AND THE SPRING, AND A LOST MOTION CONNECTION BETWEEN THE FLUID MOTOR AND THE SPRING AND INTERCONNECTING THE FLUID MOTOR AND THE SPRING FOR VERTICAL SWING ING MOVEMENT RELATIVE TO EACH OTHER.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |