.~ Helix screwing through row of loops or openings {8}
92.8
.~.~ Loop row shifter
DEFINITION
Classification: 140/92.8
(under subclass 92.3) Apparatus including means for shifting rows of loops or openings successively into position for application of a helix.
(1) Note. This subclass includes means which in addition effect a relative shift along the cylindrical axis of a projected helix, in increments of half the helix pitch,
between the projector and a row of loops, said shift occurring between successive interlacing operations.
SEE OR SEARCH CLASS
226, Advancing Material of Indeterminate Length, appropriate subclasses for methods of, and apparatus for, feeding material without utilizing the leading or trailing ends to effect movement of the material.
