US3308766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guiding arrangement for railroadtype vehicles equipped with pneumatic tires
Assignee: Individual
•
Filing: 1964-04-03
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Granted: 1967-03-14
•
Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Urbinati Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:56
CPC Classifications
E; E01; E01B; E01B25/00; E01B25/08; B; B62; B62D; B62D1/00; B62D1/24; B62D1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
239 words
A GUIDING ARRANGEMENT FOR RAILROAD-TYPE VEHICLES EQUIPPED WITH PNEUMATIC TIRES ROLLING ON A TRACK, COMPRISING IN COMBINATION SUPPORT ELEMENTS SPACED FROM ONE ANOTHER ARRANGED ON THE PLANE OF SYMMETRY OF THE TRACK, A PLURALITY OF GUIDE ELEMENTS HAVING A SUBSTANTIALLY SQUARE OVERALL CROSS SECTION, ARRANGED IN CONTINUITY FOLLOWING ONE ANOTHER, CARRIED BY SAID SUPPORT ELEMENTS TO FORM A CONTINUOUS GUIDING RAIL LONGITUDINALLY EXTENDING WITH RESPECT TO THE TRACK, SAID GUIDE ELEMENTS HAVING TWO OPPOSITE AND PARALLEL VERTICAL FACES MADE OF CONDUCTIVE MATERIALS INSULATED FROM ONE ANOTHER AND FROM SAID SUPPORT ELEMENTS BY MEANS OF LAYERS OF DILECTRIC MATERIALS AND COOPERATING WITH CORRESPONDING PAIRS OF VERTICAL-AXIS WHEELS OF THE VEHICLES TO FORCE THE VEHICLES TO FOLLOW THE PATH DEFINED BY SAID GUIDE RAIL, SAID PARALLEL VERTICAL FACES FORMING A BIPOLAR FEED SYSTEM FOR THE VEHICLES, SWITCHING AND CROSSING MEANS FOR THE VEHICLES ARRANGED ON SWITCHING AND CROSSING ZONES OF THE TRACK CONSISTING OF A PLURALITY OF ROTARY SUPPORT ELEMENTS CARRYING ON THEIR TWO FACES LYING AT A RIGHT ANGLE TO ONE ANOTHER SAID GUIDE ELEMENTS, SAID GUIDE ELEMENTS BEING INTERCHANGEABLE THEREBETWEEN BY ROTATING SAID ROTARY SUPPORT ELEMENTS, A LONGITUDINAL AXLE PASSING THROUGH SAID ROTARY SUPPORT ELEMENTS AND RIGIDLY CONNECTED THERETO FOR ROTATING SAID ROTARY SUPPORT ELEMENTS FROM ONE TO ANOTHER RAILWAY DIRECTION AND A CONTINUOUS LONGITUDINAL HOUSING CONTAINING SAID ROTARY SUPPORT ELEMENTS AND LONGITUDINAL AXLE, SAID ROTARY SUPPORT ELEMENTS RESTING IN EACH OPERATIVE POSITION ON THE BOTTOM OF SAID HOUSING.
Claim 2
Dependent Claim
239 words
A GUIDING ARRANGEMENT FOR RAILROAD-TYPE VEHICLES EQUIPPED WITH PNEUMATIC TIRES ROLLING ON A TRACK, COMPRISING IN COMBINATION SUPPORT ELEMENTS SPACED FROM ONE ANOTHER ARRANGED ON THE PLANE OF SYMMETRY OF THE TRACK, A PLURALITY OF GUIDE ELEMENTS HAVING A SUBSTANTIALLY SQUARE OVERALL CROSS SECTION, ARRANGED IN CONTINUITY FOLLOWING ONE ANOTHER, CARRIED BY SAID SUPPORT ELEMENTS TO FORM A CONTINUOUS GUIDING RAIL LONGITUDINALLY EXTENDING WITH RESPECT TO THE TRACK, SAID GUIDE ELEMENTS HAVING TWO OPPOSITE AND PARALLEL VERTICAL FACES MADE OF CONDUCTIVE MATERIALS INSULATED FROM ONE ANOTHER AND FROM SAID SUPPORT ELEMENTS BY MEANS OF LAYERS OF DILECTRIC MATERIALS AND COOPERATING WITH CORRESPONDING PAIRS OF VERTICAL-AXIS WHEELS OF THE VEHICLES TO FORCE THE VEHICLES TO FOLLOW THE PATH DEFINED BY SAID GUIDE RAIL, SAID PARALLEL VERTICAL FACES FORMING A BIPOLAR FEED SYSTEM FOR THE VEHICLES, SWITCHING AND CROSSING MEANS FOR THE VEHICLES ARRANGED ON SWITCHING AND CROSSING ZONES OF THE TRACK CONSISTING OF A PLURALITY OF ROTARY SUPPORT ELEMENTS CARRYING ON THEIR TWO FACES LYING AT A RIGHT ANGLE TO ONE ANOTHER SAID GUIDE ELEMENTS, SAID GUIDE ELEMENTS BEING INTERCHANGEABLE THEREBETWEEN BY ROTATING SAID ROTARY SUPPORT ELEMENTS, A LONGITUDINAL AXLE PASSING THROUGH SAID ROTARY SUPPORT ELEMENTS AND RIGIDLY CONNECTED THERETO FOR ROTATING SAID ROTARY SUPPORT ELEMENTS FROM ONE TO ANOTHER RAILWAY DIRECTION AND A CONTINUOUS LONGITUDINAL HOUSING CONTAINING SAID ROTARY SUPPORT ELEMENTS AND LONGITUDINAL AXLE, SAID ROTARY SUPPORT ELEMENTS RESTING IN EACH OPERATIVE POSITION ON THE BOTTOM OF SAID HOUSING.
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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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |