JPS61192885U

JPS61192885U -

Info

Publication number: JPS61192885U
Application number: JP7695785U
Authority: JP
Priority date: 1985-05-23
Filing date: 1985-05-23
Publication date: 1986-12-01

Description

[Brief explanation of the drawing]

第１図乃至第４図は本考案の実施例に係るもの
で、第１図は筆記具後端部縦断面図、第２図は無
荷重状態のコイルばねの縦断面図、第３図はコイ
ルばねの後端面図、第４図は組付工程図である。
第５図は従来例の筆記具後端部縦断面図である。１……軸筒、２……尾栓、３……コイルばね、
４……リフイール、５……コイルばね、５ａ……
太径部、５ｂ……座巻き部、５ｃ……切り起し、
５ｄ……後端細径部、５ｅ……前端細径部、６…
…軸筒、６ａ……通孔、７……尾栓、７ａ……内
孔部、７ｂ……段部、８……リフイール、イ……
押棒。 Figures 1 to 4 relate to embodiments of the present invention, in which Figure 1 is a vertical sectional view of the rear end of the writing instrument, Figure 2 is a vertical sectional view of the coil spring in an unloaded state, and Figure 3 is a coil spring. The rear end view of the spring and FIG. 4 are assembly process diagrams.
FIG. 5 is a longitudinal sectional view of the rear end of a conventional writing instrument. 1... shaft cylinder, 2... tail plug, 3... coil spring,
4...Refill, 5...Coil spring, 5a...
Thick diameter part, 5b... end wrap part, 5c... cut up,
5d... Rear end narrow diameter part, 5e... Front end narrow diameter part, 6...
...Axis tube, 6a...Through hole, 7...Tail plug, 7a...Inner hole, 7b...Step, 8...Refill, I...
Push stick.

Claims

[Scope of utility model registration request]

The narrow diameter part of a coil spring having a narrow diameter part at the rear end of the large diameter part is inserted and locked in an extended state into the inner hole of the tail plug that fits into the rear end opening of the shaft cylinder, and from the narrow diameter part. A writing instrument characterized in that the front spring part is compressed and its front end is brought into contact with the rear end surface of the refeel.