US PATENT SUBCLASS 49 / 425
.~ Revolving guide component; e.g., roller or gear

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.~ Revolving guide component; e.g., roller or gear {2}
426  DF  .~.~> Offset from plane of portal; e.g., freight car door
427  DF  .~.~> On support edgewise of passage

DEFINITION

Classification: 49/425

(under subclass 404) Device provided with a rolling means interposed between the closure and its support to guide the closure in its movement, e.g., revolving bearing component on gear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

228+, for a closure provided with rolling means which gravitates on a tilted track.

409+, for pendant closure with a ball or roller bearing.

420, for a closure provided with a ball or roller having a distinct biasing means acting upon the journals thereof.

SEE OR SEARCH CLASS

384, Bearings, appropriate subclasses for bearing and/or bearing surfaces, per se.