Patent ID: 6682245
Filing Date: 2004-01-27
Classification: B43K

Abstract:
A cap positioning construction for positioning one element of a barrel and a cap, as a mounted element, relative to another element of the barrel and the cap, as a mounting element, by placing the mounting element on the end portion of the mounted element, said cap positioning construction comprising:a triangular notch formed in either one of a portion of the mounted element which abuts on an end portion of the mounting element and an end portion of the mounting element; a triangular extension formed on the other and extending toward said notch so as to be matched with said notch, such that the mounted element is positioned relative to the mounting element by fitting said extension in said notch; and an engaged portion formed on an inside face of said cap for being engaged to an engaging portion formed at a part of an internal mechanism disposed within the barrel and projecting from an end of said barrel.