Motor vehicles – Special wheel base – Having only two wheels
Patent
1990-06-11
1992-01-07
Bertsch, Richard A.
Motor vehicles
Special wheel base
Having only two wheels
180220, 180907, 280212, B62D 6102, B62M 110
Patent
active
050782274
ABSTRACT:
An electrically driven auxiliary drive for vehicles including first and second electric motors each having associated therewith a friction drive element and apparatus for selectably bringing the friction drive elements into operative driving engagement with the tire of a vehicle wheel for driving thereof the friction drive elements being maintained in fixed mutually spaced relationship.
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Bertsch Richard A.
Dickson Paul
S. A. E. Akikim
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