JPS58110480U

JPS58110480U - ballpoint pen

Info

Publication number: JPS58110480U
Application number: JP807082U
Authority: JP
Inventors: 藤原　政七
Original assignee: 有限会社東京金属製作所
Priority date: 1982-01-23
Filing date: 1982-01-23
Publication date: 1983-07-27

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案ボールペンの筆記不可能状態るを表わし
た縦断正面図、第２図は筆記可能状態を表わした同正面
図、第３図は可動首座及び操作ばねの肩親図である。図中、１は軸筒、２は可動首座、３はボールペン体用の
押ばね、４は導孔、５はばね受、６は可動首座用の押ば
ね、７は操作ばね、８は操作用通孔、９はストッパーリ
ング、ｂはボールペン体である。FIG. 1 is a longitudinal sectional front view showing the ballpoint pen of the present invention in a non-writing state, FIG. 2 is a front view of the ballpoint pen in a writable state, and FIG. 3 is a shoulder view of the movable neck seat and the operating spring. In the figure, 1 is the barrel, 2 is the movable neck seat, 3 is the push spring for the ballpoint pen body, 4 is the guide hole, 5 is the spring holder, 6 is the push spring for the movable neck seat, 7 is the operating spring, and 8 is for the operation. A through hole, 9 a stopper ring, and b a ballpoint pen body.

Claims

[Scope of utility model registration request]

In this writing instrument, a movable neck seat 2 that is movable in the axial direction is provided at the tip of the barrel barrel 1, and by moving the neck seat, the ballpoint pen body inside the barrel barrel 1 becomes ready for writing.
A push spring 3 for the ballpoint pen body is disposed in the base of the movable neck base 2, a plurality of axially long guide holes 4, 4 are bored in the peripheral wall of the movable neck base 2, and a stopper ring 9 provided in the barrel 1 and the movable neck base are connected to each other. A push spring 6 for the movable neck seat is interposed between the spring support 5 in the shaft tube 2, and an operation spring 7 for the movable neck seat is provided at the tip of the shaft tube 1, and the spring can be operated to open the shaft tube 1. The operating portion 7-01 protruding from the through hole 8 and the engaging portions 702 and 703, which are the same in number as the guide holes 4 of the movable neck seat 2 and always engage with the guide holes, are formed in a curved manner. A ballpoint pen characterized in that an engaging claw 704 that engages with the guide hole 4 when the pen 2 is pushed deeply into the barrel 1 is curved.