Patent ID: 6059477
Filing Date: 2000-05-09
Classification: B43K,Y10T

Abstract:
A marking pen comprising:a body having an interior surface and portions defining an opening in an end thereof, anda nib having a top for contacting a writing surface and a bottom disposed within said opening, wherein said nib includes parallel first top and bottom grooves formed transversely in a first side surface of said nib, and parallel second top and bottom grooves formed transversely in a second side surface of said nib,wherein said body includes a projection on said interior surface which extends into at least one of said grooves formed in said nib to thereby resist removal of said nib from said body and resist depression of said nib into said body, wherein said projection extends into said first and second top grooves adjacent a fourth side surface of said nib and into said first and second bottom grooves adjacent a third side surface of said nib.