Land vehicles – Wheeled – Articulated vehicle
Patent
1991-04-25
1991-12-10
Marmor, Charles A.
Land vehicles
Wheeled
Articulated vehicle
280433, 280442, B62D 5306
Patent
active
050711520
ABSTRACT:
A steering system for use in a towing vehicle-trailer combination, wherein all trailer axles are load-bearing and fixed. The rearmost axle on the trailer has directional wheels that automatically adjust to the direction of motion of the rear wheels of the towing vehicle. The motive force for steering the directional wheels emanates from a sensor nested in the V-slot of the fifth wheel of the towing vehicle. The steering system is designed to be installed as a retrofit to existing trailers, or as optional equipment for trailers not yet manufactured. Abling and disabling the system is automatic. Abling takes place when the fifth wheel is moved into position to couple the king pin under the trailer. The system is disabled when locking lugs for the fifth wheel are released, and the fifth wheel moves away from the king pin.
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Encyclopedia Brittannica, vol. 18, pp. 721-723, Chicago: Encyclopedia Britannica, Inc, 15th edition.
Boehler Anne Marie
Marmor Charles A.
Roberts, Jr. Reginald F.
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