JPH0430991U - - Google Patents
Info
- Publication number
- JPH0430991U JPH0430991U JP7223890U JP7223890U JPH0430991U JP H0430991 U JPH0430991 U JP H0430991U JP 7223890 U JP7223890 U JP 7223890U JP 7223890 U JP7223890 U JP 7223890U JP H0430991 U JPH0430991 U JP H0430991U
- Authority
- JP
- Japan
- Prior art keywords
- engaged
- tip
- extrusion device
- hole
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 claims description 5
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
第１図は本考案の実施例の要部断面図、第２図
は先金の斜視図、第３図は被係合部材の斜視図、
第４図は他の被係合部材の斜視図、第５図は第１
図の−に沿つた断面図、第６図は突起と孔部
との係合が解除された状態の断面図、第７図は従
来の押出式筆記具の要部断面図である。
１……軸筒、１ａ……ネジ部、２……先金、２
ａ……円筒部、２ｂ……ネジ部、２ｃ……孔部（
係合部）、２ｄ……ガイド用凹溝、３……押出装
置、３ａ……コイルスプリング、３ｂ……ノツク
部、４……被係合部材、４ａ……支持部、４ｂ…
…突起（被係合部）、４ｃ……テーパ面、５……
芯。
Fig. 1 is a sectional view of the main part of an embodiment of the present invention, Fig. 2 is a perspective view of the tip, Fig. 3 is a perspective view of the engaged member,
FIG. 4 is a perspective view of another engaged member, and FIG. 5 is a perspective view of another engaged member.
6 is a sectional view taken along the line - in the figure, FIG. 6 is a sectional view showing a state in which the engagement between the protrusion and the hole is released, and FIG. 7 is a sectional view of a main part of a conventional push-out writing instrument. 1...Shaft cylinder, 1a...Threaded part, 2...Tips, 2
a... Cylindrical part, 2b... Threaded part, 2c... Hole part (
(engaging part), 2d... guide groove, 3... extrusion device, 3a... coil spring, 3b... notch part, 4... engaged member, 4a... support part, 4b...
...Protrusion (engaged part), 4c...Tapered surface, 5...
core.
補正 平２．１１．７
図面の簡単な説明を次のように補正する。
明細書第１０頁第５行を次のとおり訂正する。
「４ｃ……上面、４ｄ……側面、４ｅ……下面」
。Amendment 2.11.7 The brief description of the drawing is amended as follows. The 5th line of page 10 of the specification is corrected as follows.
"4c...top, 4d...side, 4e...bottom"
.
Claims (1)
記軸筒内に収容された押出装置とを備え、前記押
出装置をノツクすることによつて、前記先金より
芯を突出させる押出式筆記具において、 前記先金及び前記押出装置の一方に係合部を、
また他方には弾性を持つ支持部と、当該支持部に
設けられ、前記係合部に係合する被係合部とを持
つ被係合部材を形成し、 前記係合部及び前記被係合部の少なくとも何れ
か一方にテーパ面を形成し、 前記押出装置と前記先金とを前記テーパ面に沿
つて相対的に回動させることによつて、前記係合
部と前記被係合部との係合状態を前記弾性に抗し
て解除させるようにしたことを特徴とする押出式
筆記具。 (2) 係合部及び被係合部を孔部と突起とで構成
し、前記先金に、当該孔部より上方部分の端部か
ら当該孔部の直上部にかけて、前記突起を案内す
るためのガイド用凹溝を形成した請求項１記載の
押出式筆記具。[Claims for Utility Model Registration] (1) A utility model comprising a barrel, a tip that is detachably attached to the barrel, and an extrusion device housed in the barrel, and by knocking the extrusion device. , an extrusion-type writing instrument in which a lead protrudes from the tip, an engaging portion on one of the tip and the extrusion device;
The other side is formed with an engaged member having an elastic supporting part and an engaged part that is provided on the supporting part and engages with the engaging part, the engaging part and the engaged part. By forming a tapered surface on at least one of the parts and relatively rotating the extrusion device and the tip along the tapered surface, the engaging part and the engaged part can be connected to each other. A push-out writing instrument characterized in that the engaged state of the is released against the elasticity. (2) The engaging part and the engaged part are composed of a hole and a protrusion, and the protrusion is guided from the end of the part above the hole to just above the hole. 2. The push-out writing instrument according to claim 1, further comprising a guide groove formed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7223890U JPH0430991U (en) | 1990-07-06 | 1990-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7223890U JPH0430991U (en) | 1990-07-06 | 1990-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0430991U true JPH0430991U (en) | 1992-03-12 |
Family
ID=31610003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7223890U Pending JPH0430991U (en) | 1990-07-06 | 1990-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430991U (en) |
-
1990
- 1990-07-06 JP JP7223890U patent/JPH0430991U/ja active Pending
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