US PATENT SUBCLASS 49 / 426
.~.~ Offset from plane of portal; e.g., freight car door

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

404  DF  WITH MEANS MOUNTING CLOSURE FOR RECIPROCATION {16}
425  DF  .~ Revolving guide component; e.g., roller or gear {2}
426.~.~ Offset from plane of portal; e.g., freight car door

DEFINITION

Classification: 49/426

(under subclass 425) Device wherein the rolling means is spaced to the side of the major plane of the frame which forms the closure opening.

SEE OR SEARCH THIS CLASS, SUBCLASS:

235, for a closure which is moved vertically by a relative movement between an offset track roller and the closure to retard horizontal travel.