US PATENT SUBCLASS 226 / 83
.~.~.~ Retainer and sprocket relatively displaceable

Current as of: June, 1999
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226 /   HD   ADVANCING MATERIAL OF INDETERMINATE LENGTH

52  DF  MEANS TO ENGAGE LONGITUDINALLY SPACED MODIFICATIONS IN MATERIAL {8}
76  DF  .~ Rotating sprocket (e.g., pin-wheel) {6}
82  DF  .~.~ With means to retain material on prong(s) {2}
83.~.~.~ Retainer and sprocket relatively displaceable {1}
84  DF  .~.~.~.~> Roller retainer

DEFINITION

Classification: 226/83

(under subclass 82) Device in which said means is movable out of adjacency with prong(s) or the sprocket (or vice versa) thereby to permit the material to be put into, or taken out of, engagement with the prong(s).

SEE OR SEARCH THIS CLASS, SUBCLASS:

56+, 89+ and 91+, for other means to permit threading of material into feeder structure.

80+, for means to disengage material from prongs, usually

while the material is moving.