TODAY’S PATENT- CLIP ATTACHMENT STRUCTURE FOR A WRITING INSTRUMENT

Today’s patent was invented by Hidehel Kageyama and Tado Odaka on July 16, 2013, bearing patent no. US8484808B2.

The present invention is a clip mounting structure for a writing implement that has a shaft tube, in which an insertion member is inserted into the rear part of the shaft tube. A clip mounting section to which the rear part of the clip is fitted and aligned is formed at the rear part of the shaft tube. The mounting sections curved in the direction with the inner peripheral surface of the shaft tube are formed at opposite sides of the rear part of the clip.

Fitting recesses into which the mounting sections of the clip are fitted are formed in the outer wall of the insertion member. With the mounting sections of the clip fitted in and engaged with the fitting recesses in the insertion member. The insertion member is inserted into the rear part of the shaft body to fit the rear part of the clip into the clip mounting section of the shaft tube. The aim behind this invention is to provide a clip attachment structure for a writing instrument wherein only the back part of a shaft tube and the construction of the shaft tube and clip may be simplified to reduce their processing cost.