(under subclass 120) Device in which material movement is stopped by engagement of an element with the leading edge of said material.
(1) Note. Included in this or indented subclasses are patents disclosing a constantly rotating feed roll and an abutment intermittently interposed in the feed path: the feeding operation of the device as an entity is thus interrupted.
SEE OR SEARCH THIS CLASS, SUBCLASS:
55+, for a device wherein a pin engages a perforation in material to prevent material movement.
SEE OR SEARCH CLASS
225, Severing by Tearing or Breaking,
81, for similar apparatus combined with a tearing edge.
