Hand-held labeler having adjustable web positioning system

Abstract From the Canadian patent

Abstract of the Disclosure, A web positioning system particularly usable, for use in a hand-held labeler employing a thermographic print head, utilizes a circular indexing member having a plurality of position defining indices for providing indications representative of the position of the web. The circular, and relative rotation between the circular member and the shaft is prevented by a plurality of key slots or the like disposed on said circular member and engaging a key, and slot or the like on the shaft. The angular spacing between the key slots is unequal and is substantially greater than the spacing between the position-defining indices; but the position of the position defining …