US PATENT SUBCLASS 49 / 234
.~.~ Closure actuated vertically to retard horizontal travel

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}
234.~.~ Closure actuated vertically to retard horizontal travel {1}
235  DF  .~.~.~> By track roller-closure displacement

DEFINITION

Classification: 49/234

(under subclass 226) Device wherein the closure is mounted for horizontal reciprocation and additionally for movement vertically, the latter movement positioning the closure to resist the motion in a horizontal direction, and wherein said latter movement is effected by means of an operator.

SEE OR SEARCH THIS CLASS, SUBCLASS:

255+, for a closure actuated vertically to permit horizontal swinging.

276+, for a starter type closure operator.