Title:
筆記具
Document Type and Number:
Japanese Patent JP6967446
Kind Code:
B2
Abstract:
To provide a writing instrument capable of easily attaching the tail plug to the barrel while providing the tail plug with a guide for aligning the positions of the axial circumference and axial diameter with respect to the barrel.SOLUTION: The writing instrument comprises a barrel 5 and a tail plug 6 mounted on the rear end of the barrel 5. The tail plug 6 includes a flange 6d that abuts on the rear end of the barrel 5, a locking portion 6g that is locked on a locked portion 2d provided on the inner wall of the barrel 5, a guide portion formed to protrude outward in the outer peripheral portion, and a notch 6f formed in the outer peripheral portion to penetrate inside and outside and extending in the axial direction. The guide portion has a first guide portion 6h extending in the axial direction and a second guide portion 6i extending in the axial circumferential direction. The outer surface of the first guide portion 6h is provided with a first groove portion 6j extending in the axial circumferential direction, and the outer peripheral surface of the second guide portion 6i is provided with a second groove portion 6k extending in the axial circumferential direction. The first groove portion 6j and the second groove portion 6k are formed in communication with each other, and the guide portion of the tail plug 6 is axially divided by the first groove portion 6j and the second groove portion 6k.SELECTED DRAWING: Figure 2
Inventors:
Yoshimasa Sugawara
Application Number:
JP2017246774A
Publication Date:
November 17, 2021
Filing Date:
December 22, 2017
Export Citation:
Assignee:
Pilot Corporation Co., Ltd.
International Classes:
B43K3/00
Domestic Patent References:
| JP3132133U | ||||
| JP200085291A | ||||
| JP2009279801A |