US3305039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double articulated tractor shovel
Assignee: Eaton Corp
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Filing: 1964-09-18
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Granted: 1967-02-21
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Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Molby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:08
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405; E02F3/3411; B; B62; B62D; B62D53/00; B62D53/02; B62D53/023; E02F9/00; E02F9/08; E02F9/0841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A VEHICLE OF THE CLASS DESCRIBED, A CENTRAL CONTROL UNIT, FORWARD AND REAR TRACTION UNITS PIVOTED SYMMETRICALLY TO OPPOSED PORTIONS OF SAID CONTROL UNIT IN THE LONGITUDINAL AXIS OF SAID CONTROL UNIT, AN INTERNAL COMBUSTION ENGINE ON ONE OF SAID TRACTION UNITS, A TRANSMISSION ON SAID CENTRAL UNIT, A DRIVE SHAFT EXTENDING LONGITUDINALLY FROM EACH OF THE OPPOSED ENDS OF SAID TRANSMISSION TO SAID TRACTION UNITS, AND FROM SAID INTERNAL COMBUSTION ENGINE TO SAID TRANSMISSION, TRACTION GEARS IN EACH OF SAID TRACTION UNITS DRIVEN BY SAID SHAFTS EXTENDING FROM SAID TRANSMISSION, SAID THREE SHAFTS BEING EQUIPPED WITH UNIVERSAL JOINT AND LYING IN THE LONGITUDINAL CENTRAL AXIS OF SAID UNITS WHEN SAID THREE UNITS ARE IN LONGITUDINAL ALIGNMENT, AND STEERING MECHANISM FOR PIVOTING SAID TRACTION UNITS RELATIVELY TO SAID CENTRAL UNIT WHILE SAID THREE SHAFTS PIVOT ON SAID UNIVERSAL JOINTS TO DRIVE SAID VEHICLE.
Claim 2
Dependent Claim
144 words
IN A VEHICLE OF THE CLASS DESCRIBED, A CENTRAL CONTROL UNIT, FORWARD AND REAR TRACTION UNITS PIVOTED SYMMETRICALLY TO OPPOSED PORTIONS OF SAID CONTROL UNIT IN THE LONGITUDINAL AXIS OF SAID CONTROL UNIT, AN INTERNAL COMBUSTION ENGINE ON ONE OF SAID TRACTION UNITS, A TRANSMISSION ON SAID CENTRAL UNIT, A DRIVE SHAFT EXTENDING LONGITUDINALLY FROM EACH OF THE OPPOSED ENDS OF SAID TRANSMISSION TO SAID TRACTION UNITS, AND FROM SAID INTERNAL COMBUSTION ENGINE TO SAID TRANSMISSION, TRACTION GEARS IN EACH OF SAID TRACTION UNITS DRIVEN BY SAID SHAFTS EXTENDING FROM SAID TRANSMISSION, SAID THREE SHAFTS BEING EQUIPPED WITH UNIVERSAL JOINT AND LYING IN THE LONGITUDINAL CENTRAL AXIS OF SAID UNITS WHEN SAID THREE UNITS ARE IN LONGITUDINAL ALIGNMENT, AND STEERING MECHANISM FOR PIVOTING SAID TRACTION UNITS RELATIVELY TO SAID CENTRAL UNIT WHILE SAID THREE SHAFTS PIVOT ON SAID UNIVERSAL JOINTS TO DRIVE SAID VEHICLE.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |