Land vehicles – Wheeled – Extensible
Patent
1976-05-03
1977-11-15
Goodman, Philip
Land vehicles
Wheeled
Extensible
214506, B62D 3200
Patent
active
040583252
ABSTRACT:
The disclosure relates to a suspension stabilizer mens for elevatable tandem axle trailers wherein the tandem axle wheels are mounted on adjacent bell crank arms and allow the body of the trailer to be moved up and down with forward and rearward force applied to the trailer hitch. The disclosure relates to stabilizer means in the form of an equalizer lever and linkage means coupled between bell crank wheel mounting axles such as to couple the tandem wheels for unitary bell crank pivotal movement to raise and lower the trailer body by means of tension rods coupled to the trailer hitch and wherein the equalizer mechanism of the invention tends to force the wheels of one tandem axle system downwardly when another is deflected upwardly thereby equalizing or leveling the body and its load automatically as the individual wheels of the individual tendem axle systems step over bumps during the movement of the trailer along a roadway or the like.
The disclosure also relating to a wheel holding device for the aforementioned elevatable trailer for locking the wheels during elevating movement of the trailer bed from a position near the ground to a transportation or operational elevation thereof.
REFERENCES:
patent: 3427041 (1969-02-01), Nichols
patent: 3533641 (1970-10-01), Driskill
patent: 3837665 (1974-09-01), Schramm
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