Motor vehicles – Special wheel base – With means for changing number of supporting wheels – or for...
Patent
1985-01-18
1987-01-13
Bertsch, Richard A.
Motor vehicles
Special wheel base
With means for changing number of supporting wheels, or for...
280 80B, 280287, 2804145, B62D 5306, B62P 118
Patent
active
046357424
ABSTRACT:
An extendable chassis is provided with an additional axle which is moved to a position with the wheels thereof on the ground when the chassis is extended and to a position with the wheels off the ground when the chassis is retracted. The chassis also includes means for automatically tripping a means for locking the chassis after a preselected extension or retraction thereof.
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Bertsch Richard A.
JD-Bertolini Industries, Ltd.
Lillie Raymond J.
Olstein Elliot M.
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