US PATENT SUBCLASS 180 / 189
.~.~ Plural elements connected to and spaced along the plural throws of a common crankshaft


Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

182  DF  INCLUDING ONE OR MORE SKI-LIKE OR RUNNER MEMBERS {2}
186  DF  .~ With at least one surface-engaging propulsion element {6}
189.~.~ Plural elements connected to and spaced along the plural throws of a common crankshaft


DEFINITION

Classification: 180/189

Plural elements connected to and spaced along the plural throws of a common crankshaft:

(under subclass 186) Vehicle including plural propulsion

elements, each attached to one of the cranks of a crankshaft at a point on the element remote from the surface contacting portion.

SEE OR SEARCH CLASS

280, Land Vehicles,

12.11+, for a sled having an occupant-driven propulsion means which propels the sled by making intermittent contact with the sled's supporting surface.