US PATENT SUBCLASS 472 / 37
.~.~.~ Vertically undulating track or platform

Current as of: June, 1999
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472 /   HD   AMUSEMENT DEVICES

1  DF  ROUNDABOUT {12}
29  DF  .~ Having carrier rotating about vertical axis (e.g., merry-go-round, etc.) {6}
36  DF  .~.~ Using individual occupant or article carriage to ride on stationary track or platform {2}
37.~.~.~ Vertically undulating track or platform

DEFINITION

Classification: 472/37

Vertically undulating track or platform:

(under subclass 36) Subject matter wherein the rail or floor surface rises and falls in a wavelike manner along its length.

(1) Note. The vertical undulating track or platform causes the occupant or article carriage riding thereon to likewise rise and fall as it travels therealong. The undulations of the track or platform may vary in amplitude or frequency.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34, for a suspended occupant or article carriage which moves up and down, e.g., in the up and down manner of a merry-go-round horse, etc., as it moves about a vertical axis.

43, for an occupant or article carriage which rides on a horizontally winding track or platform.