Patent ID: 6866438
Filing Date: 2005-03-15
Classification: A45D,B43K

Abstract:
1. A crayon comprising: a holding portion; a cartridge portion for receiving a refill of predetermined color, the cartridge having a first part received in the holding portion and a second part which receives a cap wherein an annular projection portion, which is of the color of the refill, is located on an outside surface of the cartridge between the first part and the second part, wherein the holding portion, bears on one side of the annular projection and the cap bears on the other side of the annular projection; a rotary mechanism for axial displacement of the refill within the cartridge by rotation of the holding portion and the cartridge relative to each other, the rotary mechanism comprising a spindle with a male screwthread which meshes with a female screwthread at a side of the cartridge remote from the refill, the female screwthread comprises two half-shell segments each having an inside surface for engaging the male screwthread and an outside surface having an arresting projection which prevents the holding portion from moving axially relative to the cartridge.