Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
WRITING INSTRUMENT
Document Type and Number:
Japanese Patent JP3882707
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To solve the trouble wherein before a tip opening part of a cap covers an outside cylinder when the cap is to be set to the outside cylinder, a tip part of the fitting block positioning inside the cap abuts against an erazer, an erazer holder for holding the erazer and the like, and the setting operation of the cap to the outside cylinder has become troublesome.
SOLUTION: A writing instrument is the one wherein a writing body is arranged inside a barrel comprising a front barrel and a rear barrel. A fitting cylinder part freely detachably fitting to the writing body is provided inside the rear barrel. Besides, a difference between an outside diameter of the writing body and an inside diameter of the fitting cylinder part is larger than a difference between an outside diameter of the front barrel and an inside diameter of the rear barrel.


Inventors:
Akinari Saito
Application Number:
JP2002221872A
Publication Date:
February 21, 2007
Filing Date:
July 30, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Pentel Co., Ltd.
International Classes:
B43K21/00; B43K23/08; B43K3/00; B43K29/02; (IPC1-7): B43K21/00; B43K3/00; B43K23/08; B43K29/02
Domestic Patent References:
JP1070581U
JP57121594U
JP6042268U
JP9216491A