Patent ID: 6390706
Filing Date: 2002-05-21
Classification: B43K

Abstract:
A retractable-type writing instrument comprising:a tubular body having a longitudinal axis, a front end, a rear end, and a tip disposed at the front end; a displaceable body disposed in the tubular body for undergoing movement in an axial direction along the longitudinal axis and containing therein a writing medium during use of the writing instrument; a clip having a first end portion connected to the tubular body and a second end portion; an engagement member having a first surface connected to the second end portion of the clip, a second surface confronting the tubular body, and a pair of third surfaces extending from opposite sides of the second surface toward the first surface, each of the third surfaces being inclined at a given angle relative to the longitudinal axis of the tubular body; an operating member mounted in the tubular body for undergoing movement in the axial direction to move the writing medium between a withdrawal position at which the writing medium is withdrawn into the tubular body and a projected position at which a tip of the writing medium projects from the tip of the tubular body; and an engagement body connected to the operating member for movement therewith and for engaging the engagement member during movement of the operating member in the axial direction to lock the writing medium in the projected position.