US PATENT SUBCLASS 226 / 149
.~.~ Positively actuated to grip

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


226 /   HD   ADVANCING MATERIAL OF INDETERMINATE LENGTH

120  DF  BY INTERMITTENT (INTERRUPTED) MATERIAL-MOVER {13}
147  DF  .~ With retrograde movement preventer {3}
149.~.~ Positively actuated to grip {1}
150  DF  .~.~.~> By hydraulic or electrical means

DEFINITION

Classification: 226/149

(under subclass 147) Device wherein the preventing means is driven into holding engagement by an unyielding member.