US3216739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable tractor front wheel tread
Assignee: Individual
•
Filing: 1962-10-02
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Granted: 1965-11-09
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Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 John F Drenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:42
CPC Classifications
B; B60; B60B; B60B35/00; B60B35/003; B60B35/02; B60B35/10; B60B35/1009; B60B35/1027; B60B35/1072; B60B35/1081; B60B35/109; B60G; B60G9/00; B60G9/02; B60B2310/00; B60B2310/30; B60B2310/305; B60B2310/306; B60G2200/00; B60G2200/30; B60G2200/32; B60G2200/322; B60G2300/00; B60G2300/40; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A TRACTOR HAVING A FRAME, A FRONT WHEEL ASSEMBLY COMPRISING A LONGITUDINALLY EXTENDABLE HORIZONTALLY DISPOSED SUPPORT BEAM PIVOTALLY SUPPORTED FROM SAID FRAME FOR ROTATION ABOUT A GENERALLY HORIZONTAL AXIS EXTENDING TRANSVERSELY OF THE MID-PORTION OF SAID SUPPORT BEAM, A PAIR OF MOUNTS JOURNALED ON THE OPPOSITE ENDS OF SAID BEAM FOR ROTATION ABOUT UPSTANDING AXES, AN AXLE ASSEMBLY SUPPORTED FROM EACH OF SAID MOUNTS FOR ROTATION ABOUT AN UPSTANDING AXIS, A GROUND ENGAGEABLE WHEEL JOURNALED FROM EACH OF SAID AXLE ASSEMBLIES FOR ROTATION ABOUT A HORIZONTAL AXIS, AN ELONGATED TORQUE TRANSMITTING MEMBER JOURNALED FROM EACH OF SAID MOUNTS FOR ROTATION ABOUT AN AXIS SUBSTANTIALLY COINCIDING WITH THE AXIS OF ROTATION OF THE CORRESPONDING MOUNT, MEANS DRIVINGLY INTERCONNECTING CORRESPONDING TORQUE TRANSMITTING MEMBERS AND AXLE ASSEMBLIES FOR OSCILLATION OF THE LATTER IN RESPONSE TO OSCILLATION OF SAID TORQUE TRANSMITTING MEMBERS, AN ELONGATED STEERING ROD JOURNALED BETWEEN SAID MOUNTS AND HAVING ITS OPPOSITE ENDS DRIVINGLY CONNECTED TO THE CORRESPONDING TORQUE TRANSMITTING MEMBERS FOR OSCILLATING THE LATTER IN RESPONSE TO OSCILLATION OF SAID STEERING ROD, AND MEANS CONNECTED BETWEEN SAID SUPPORT BEAM AND SAID MOUNT FOR RELEASABLY RETAINING SAID MOUNT IN ADJUSTED ROTATED POSITIONS RELATIVE TO SAID SUPPORT BEAM.
Claim 2
Dependent Claim
196 words
IN A TRACTOR HAVING A FRAME, A FRONT WHEEL ASSEMBLY COMPRISING A LONGITUDINALLY EXTENDABLE HORIZONTALLY DISPOSED SUPPORT BEAM PIVOTALLY SUPPORTED FROM SAID FRAME FOR ROTATION ABOUT A GENERALLY HORIZONTAL AXIS EXTENDING TRANSVERSELY OF THE MID-PORTION OF SAID SUPPORT BEAM, A PAIR OF MOUNTS JOURNALED ON THE OPPOSITE ENDS OF SAID BEAM FOR ROTATION ABOUT UPSTANDING AXES, AN AXLE ASSEMBLY SUPPORTED FROM EACH OF SAID MOUNTS FOR ROTATION ABOUT AN UPSTANDING AXIS, A GROUND ENGAGEABLE WHEEL JOURNALED FROM EACH OF SAID AXLE ASSEMBLIES FOR ROTATION ABOUT A HORIZONTAL AXIS, AN ELONGATED TORQUE TRANSMITTING MEMBER JOURNALED FROM EACH OF SAID MOUNTS FOR ROTATION ABOUT AN AXIS SUBSTANTIALLY COINCIDING WITH THE AXIS OF ROTATION OF THE CORRESPONDING MOUNT, MEANS DRIVINGLY INTERCONNECTING CORRESPONDING TORQUE TRANSMITTING MEMBERS AND AXLE ASSEMBLIES FOR OSCILLATION OF THE LATTER IN RESPONSE TO OSCILLATION OF SAID TORQUE TRANSMITTING MEMBERS, AN ELONGATED STEERING ROD JOURNALED BETWEEN SAID MOUNTS AND HAVING ITS OPPOSITE ENDS DRIVINGLY CONNECTED TO THE CORRESPONDING TORQUE TRANSMITTING MEMBERS FOR OSCILLATING THE LATTER IN RESPONSE TO OSCILLATION OF SAID STEERING ROD, AND MEANS CONNECTED BETWEEN SAID SUPPORT BEAM AND SAID MOUNT FOR RELEASABLY RETAINING SAID MOUNT IN ADJUSTED ROTATED POSITIONS RELATIVE TO SAID SUPPORT BEAM.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |