.~ Positively confines or otherwise determines path of work
DEFINITION
Classification: 83/444
(under subclass 438) Device wherein sufficient guide structure is provided to prevent movement of the work out of a definite path.
(1) Note. Three guide rails spaced apart may be sufficient to confine a rigid workpiece such as a rod or bar, whereas a soft material, such as cloth or fiber may require to be entirely enclosed, to meet the definition.