US PATENT SUBCLASS 454 / 114
.~.~.~.~ Wheel-axle operated

Current as of: June, 1999
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454 /   HD   VENTILATION

69  DF  VEHICLE (E.G., AUTOMOBILE, ETC.) {15}
83  DF  .~ Railcar, bus, or trailer {10}
107  DF  .~.~ Having inlet airway {4}
112  DF  .~.~.~ With air pump {2}
114.~.~.~.~ Wheel-axle operated

DEFINITION

Classification: 454/114

Wheel-axle operated:

(under subclass 112) Subject matter wherein the air moving apparatus is driven by a rotating shaft which supports a wheel of the transporting device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

102, for a wheel-axle operated fan in a railcar, bus, or trailer used in a forced recirculation system.

106, for a railcar, bus, or trailer having both an inlet and an outlet airway and including wheel-axle operated fans.

117, for a railcar, bus, or trailer having a wheel-axle operated fan associated with an outlet airway.