US PATENT SUBCLASS 187 / 336
WITH CLOSURE MEANS FOR SHAFT OPENING THROUGH LANDING

Current as of: June, 1999
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187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

336WITH CLOSURE MEANS FOR SHAFT OPENING THROUGH LANDING {3}
337  DF  .~> Including pivoted closure {2}
340  DF  .~> Including transversely sliding closure {1}
342  DF  .~> Including closure bodily carried along shaft by load support

DEFINITION

Classification: 187/336

WITH CLOSURE MEANS FOR SHAFT OPENING THROUGH LANDING:

(under the class definition) Subject matter provided with repositionable means for covering the passageway formed through the landing* by the elevator shaft*.

SEE OR SEARCH CLASS

49, Movable or Removable Closures,

33, for a closure shiftable to bridge an obstacle or pit.