(under subclass 134) Device provided with two or more elements, any one of which elements may be actuated to effect a predetermined extent of material advance different from, or additive to, the extent(s) of advance effected by another (or other) elements(s) in the single cycle.
(1) Note. Included herein are patents disclosing a device in which one of a plurality of keys (similar to those on a typewriter keyboard) is moved, or a dial (similar to a telephone dial) is rotated, to actuate a switching relay circuit, in which the manipulation of a particular key or particular finger hole of the dial causes a predetermined extent of movement of the advancer.
