.~ With variable direction of work-feed from cycle to cycle {1}
220
.~.~ In one of certain selected directions
DEFINITION
Classification: 83/220
(under subclass 219) Device wherein there are means to provide a limited number of predetermined directions of work-feed and means to choose one of said number of directions for each advance of the work.
(1) Note. This subclass includes devices having means for effecting mere reversal of work-feed direction at intervals, as well as machines with "zigzag" or "staggered" work-feeds.
