(under subclass 202) Device in which the work engaging and moving element, or a portion of the work-feed means driving train which is not common to the latter and to the tool driving train, and which moves without producing any corresponding motion of the work, is itself, or carries means which is, effective to drive, or to establish a power connection for driving, the tool feeding mechanism.
(1) Note. Tool feed may be initiated substantially simultaneously with arrival of the work-feed mechanism at the end of its feed motion, where it appears that the tool is not intended to engage moving work.
SEE OR SEARCH THIS CLASS, SUBCLASS:
221, for interlock between work-moving and tool-moving mechanisms.
225+, for work moving means controlled by means on tool or tool support.
273+, for intermittent drive type of gearing for work-feed means. 399+, for a device in which an element common to the control or actuation of work moving and tool actuating means is arranged to initiate or permit actuation of one means while preventing actuation of the other means.
