Patent ID: 7461991
Filing Date: 2008-12-09
Classification: B43K

Abstract:
1. A writing instrument comprising: a first barrel portion having a writing tip projecting from a first end thereof; a second barrel portion selectively engageable with the first barrel portion; and a securement mechanism including at least one male projection associated with an engagement end of one of the first and second barrel portions and at least one complementary track associated with an engagement end of the other of the first and second barrel portions, wherein the at least one complementary track is provided in a track-carrying member disposed in an engagement end of one of the first and second barrel portions, the track-carrying member being axially movable within the engagement end of the barrel portion in which the track-carrying member is disposed, and the track-carrying member is biased by a gasket toward one of the first and second barrel portions to urge securement of the first and second barrel portions; wherein the engagement end of the barrel portion in which the track-carrying member is disposed includes an engagement surface, and the gasket is disposed between the track-carrying member and the engagement surface.