US PATENT SUBCLASS 49 / 228
.~.~ Gravitates on tilted track


Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

208  DF  MOUNTED FOR MULTIDIRECTIONAL OR OBLIQUE MOVEMENT {7}
226  DF  .~ In plane of closure; e.g., oblique {4}
228.~.~ Gravitates on tilted track {2}
229  DF  .~.~.~> Oscillating track {1}
231  DF  .~.~.~> Pendant closure


DEFINITION

Classification: 49/228

(under subclass 226) Device provided with an inclined guideway on either the closure or its support, and wherein movement of the closure is effected by the force of gravity acting upon the guideway and a mating relatively sliding or rolling surface on the other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

237+, for a curved track and a closure positioned to slide along the track under the influence of gravity.