Tractor-trailer rig
Abstract
Abstract A TRACTOR-TRAILER COMPRISES A TRACTOR AND A TRAILER WHOSE REAR END IS PROVIDED WITH AN AXLE TURNABLE ABOUT A VERTICAL AXIS, AND WHOSE FRONT END IS ARRANGED TO REST ON AND BE TURNABLY SECURED TO THE REAR END OF THE TRAILER. A TURNING ARRANGEMENT IS PROVIDED INTERMEDIATE THE FRONT AND REAR ENDS OF THE TRAILER SECURED THERETO TURNABLE ABOUT AN ADDITIONAL VERTICAL AXIS PARALLEL TO THE FIRST-MENTIONED ONE, AND A LINKAGE ARRANGEMENT LINKS THE TURNING ARRANGEMENT TO THE AXLE OF THE TRAILER FOR TURNING MOVEMENT IN UNISON THEREWITH. LIMITING MEANS CONNECTS THE TURNING ARRANGEMENT WITH THE TRACTOR SO THAT THE TURNING MOVEMENT OF THE AXLE ABOUT ITS VERTICAL AXIS, AND THEREBY THE ANGLE WHICH CAN BE INCLUDED BETWEEN THE TRACTOR AND THE TRAILER WHEN ONE OF THEM MOVES LATERALLY WITH RESPECT TO THE OTHER-AS IN TURNING A CORNER-IS LIMITED TO A PREDETERMINED EXTENT.
Inventors
- 👤 Willi Hildebrandt
- 👤 Aloysius Theodorus Van Huet
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |