US PATENT SUBCLASS 226 / 58
.~.~ With resilient means to urge prong toward material

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}
55  DF  .~ Prong operable intermittently to prevent longitudinal material movement (e.g., registration pins) {3}
58.~.~ With resilient means to urge prong toward material

DEFINITION

Classification: 226/58

(under subclass 55) Device provided with spring means to bias the prong into material engaging position.