Land vehicles – Wheeled – Articulated vehicle
Patent
1978-08-09
1981-04-21
Silverstrim, John P.
Land vehicles
Wheeled
Articulated vehicle
280411C, 280432, 280456R, 280461R, 280476R, B62D 5306
Patent
active
042629209
ABSTRACT:
A steering stabilizer is provided for a conventional multi-trailer combination or train consisting of the usual powered vehicle or pulling tractor constituting the No. 1 element of the train; a lead or first trailer constituting the No. 2 element of the train; a wheeled and rotatable vehicle or dolly constituting the No. 3 element of the train and a rear or second trailer constituting the No. 4 element of the train. A conventional drawbar has one end pivotally connected to the forward end of the frame of the No. 3 element and has the other end pivotally connected to the trailing end of the frame of the lead trailer or No. 2 element. The steering stabilizer is located between the opposing ends of the frames of the leading and rear trailers; is vertically spaced above the drawbar; and has as basic components a telescopic box beam strut reciprocable in a hollow box section or housing having an unsupported and open rearward end and having its forward end pivotally connected on a transverse horizontal axis to the rear frame portion of the lead trailer. The forward end of the telescopic strut reciprocates within the open end of the hollow box section. The rearward end of the telescopic strut is pivotally connected about a generally vertical axis to a pivot coupling which is coupled to an end of a shaft carried by the frame of the rear trailer. The location, arrangement and geometry of the steering stabilizer and drawbar provides rollover and jackknife resistance such that the level of the dynamic stability for the baseline train is substantially increased.
REFERENCES:
patent: 2459098 (1949-01-01), Simmons
patent: 2561644 (1951-07-01), Averette
patent: 3348888 (1967-10-01), Hawk
patent: 3420547 (1969-01-01), Strausser
patent: 3421777 (1969-01-01), Barker
patent: 3486768 (1969-12-01), Masser
patent: 3740076 (1973-06-01), Cupp
Silverstrim John P.
Truck Safety Systems, Inc.
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