INSTRUMENT D'ECRITURE A AGRAFE

N° de brevet: EP1847403 (A1)
Date de publication: 2007-10-24
Inventeur(s): ONO TOSHIHIRO [JP];KOGURE MASAHIRO [JP];MORIYAMA NORIO [JP];
Demandeur(s): PILOT CORP KK [JP];
Classification: B43K25/02;
N° de demande: EP20050822462 20051227 
Numéro(s) de priorité: WO2005JP23936 20051227;JP20040380371 20041228;JP20050256891 20050905 
A writing implement provided with a strong clip is simple in construction and is provided with a coil spring restrained from easily falling off. The writing implement (1, 11 , 21) includes a tubular body (2), a clip (3), a pillar (7) formed on the outer surface of the tubular body, a connecting structure ® connecting the clip and the pillar, a coil spring (4) extended between the inner surface of the clip and the tubular body and capable of loading the clip such that a front end part (3aa) of the inner surface of the clip is pressed elastically against the outer surface of the tubular body, and a projection (5) formed on the outer surface of the tubular body so as to project toward the clip and fitted in the coil spring. Preferably, the clip is provided with a back wall (10) projecting from a back part (3ab) of the inner surface (3a) of the clip and the coil spring is disposed on the front side of the back wall. the projection (5) has a height not smaller than half the length of the coil spring 



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