← Back to Patent Explorer
US3183990A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple track steering application for a plurality of vehicles

Assignee: Individual
•
Filing: 1963-01-29
•
Granted: 1965-05-18
•
Expires: 1983-01-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Theodoric B Edwards

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 19:00
CPC Classifications
B; B62; B62D; B62D12/00; B62D12/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 173 words
IN A VEHICLE TRAIN, HAVING A COMMAND VEHICLE AND A SUBSERVIENT STEERED VEHICLE, EACH VEHICLE HAVING A PAIR OF TRACKS, AN ELECTRIC MOTOR CONTROL STEERING SYSTEM COMPRISING A PRIME MOVER, A PLURALITY OF COMPOUND WOUND, DIRECT CURRENT GENERATORS DRIVEN BY SAID PRIME MOVER, A GROUP OF SERIES WOUND MOTORS OPERABLY CONNECTED IN SERIES CIRCUIT ARRANGEMENT WITH SAID GENERATORS MECHANICALLY CONNECTED TO EACH TRACK FOR EACH OF SAID VEHICLES, SAID GROUP OF MOTORS FOR EACH TRACK BEING ENERGIZED BY ONE OF SAID GENERATORS, SAID GENERATORS FOR EACH TRACK OF EACH VEHICLE HAVING THEIR ARMATURES INTERCONNECTED BY TORQUE TRANSFERRING MEANS AND ADAPTED FOR REGENERATIVE BRAKING DURING STEERING ON TORTUOUS AND ROUGH TERRAIN, A MECHANICAL-ELECTRICAL HITCH MEANS ADAPTED TO CONNECT TWO ADJACENT VEHICLES, SAID HITCH MEANS HAVING A VARIABLE ELECTRICAL RESISTANCE MEANS ARRANGED AS A VARIABLE AND SEPARATE DIVIDER OF A BRIDGE CIRCUIT OPERATED BY SAID HITCH MEANS AND CONNECTED TO THE MOTORS CONTROLLING THE SUBSERVIENT VEHICLE TRACKS TO CORRECT THE STEERING OF SAID SUBSERVIENT VEHICLE TO CONFORM TO THE STEERING PATH OF SAID COMMAND VEHICLE.
Claim 2
Dependent Claim 173 words
IN A VEHICLE TRAIN, HAVING A COMMAND VEHICLE AND A SUBSERVIENT STEERED VEHICLE, EACH VEHICLE HAVING A PAIR OF TRACKS, AN ELECTRIC MOTOR CONTROL STEERING SYSTEM COMPRISING A PRIME MOVER, A PLURALITY OF COMPOUND WOUND, DIRECT CURRENT GENERATORS DRIVEN BY SAID PRIME MOVER, A GROUP OF SERIES WOUND MOTORS OPERABLY CONNECTED IN SERIES CIRCUIT ARRANGEMENT WITH SAID GENERATORS MECHANICALLY CONNECTED TO EACH TRACK FOR EACH OF SAID VEHICLES, SAID GROUP OF MOTORS FOR EACH TRACK BEING ENERGIZED BY ONE OF SAID GENERATORS, SAID GENERATORS FOR EACH TRACK OF EACH VEHICLE HAVING THEIR ARMATURES INTERCONNECTED BY TORQUE TRANSFERRING MEANS AND ADAPTED FOR REGENERATIVE BRAKING DURING STEERING ON TORTUOUS AND ROUGH TERRAIN, A MECHANICAL-ELECTRICAL HITCH MEANS ADAPTED TO CONNECT TWO ADJACENT VEHICLES, SAID HITCH MEANS HAVING A VARIABLE ELECTRICAL RESISTANCE MEANS ARRANGED AS A VARIABLE AND SEPARATE DIVIDER OF A BRIDGE CIRCUIT OPERATED BY SAID HITCH MEANS AND CONNECTED TO THE MOTORS CONTROLLING THE SUBSERVIENT VEHICLE TRACKS TO CORRECT THE STEERING OF SAID SUBSERVIENT VEHICLE TO CONFORM TO THE STEERING PATH OF SAID COMMAND VEHICLE.

References Cited (Backward Citations)

US3123167A Cited
US1267742A Cited
US2070832A Cited
US2393618A Cited
US2565293A Cited
US3109972A Cited
US3102219A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-05-17 1968-11-16 1969-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-05-17 1972-11-16 1973-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-05-17 1976-11-16 1977-05-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag