JPH0273377U - - Google Patents

Info

Publication number
JPH0273377U
JPH0273377U JP15387588U JP15387588U JPH0273377U JP H0273377 U JPH0273377 U JP H0273377U JP 15387588 U JP15387588 U JP 15387588U JP 15387588 U JP15387588 U JP 15387588U JP H0273377 U JPH0273377 U JP H0273377U
Authority
JP
Japan
Prior art keywords
cam mechanism
shaft body
outer cylinder
tip
clip
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.)
Granted
Application number
JP15387588U
Other languages
Japanese (ja)
Other versions
JPH0632393Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988153875U priority Critical patent/JPH0632393Y2/en
Priority to MX015632A priority patent/MX171370B/en
Priority to US07/336,674 priority patent/US4973179A/en
Priority to DE89106567T priority patent/DE68909284T2/en
Priority to EP89106567A priority patent/EP0337447B1/en
Priority to ES89106567T priority patent/ES2043930T3/en
Publication of JPH0273377U publication Critical patent/JPH0273377U/ja
Priority to US07/607,159 priority patent/US5074694A/en
Application granted granted Critical
Publication of JPH0632393Y2 publication Critical patent/JPH0632393Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案機構の一実施例の構成を示す縦
断面図、第２図はその部分分解斜視図、第３図は
その一部の斜視図、第４図ａ〜ｃは本考案におけ
る軸体と結合するカム機構の部分の各種例を示す
断面図、第５図ａ，ｂはそれぞれ本機構のクリツ
プの突出状態及び引つ込み状態を示す要部の縦断
面図、第６図は本考案機構における軸体の他例を
示す縦断面図、第７図は本考案機構における軸体
の更に他の例を示す縦断面図、第８図はリードチ
ヤツクの斜視図である。 １……外筒、２……長孔、３……クリツプ、４
……（ボールペン用、シヤープペンシル用筆記）
軸体、５……先具、６……弾性体（バネ）、７…
…先端部（ボールペン先、シヤープペンシルの先
端部）、８……カム機構、９……ベース部、１０
ａ，１０ｂ……前、後方係合部、１１……係合孔
、１２……前方傾斜面、１３……係止部、１３ａ
……嵌挿部、１４……後方傾斜面、１５……移動
部、１６……突子、１８ａ，１８ｂ，１８ｃ……
嵌挿穴。 Fig. 1 is a longitudinal sectional view showing the structure of one embodiment of the mechanism of the present invention, Fig. 2 is a partially exploded perspective view thereof, Fig. 3 is a perspective view of a part thereof, and Figs. 5a and 5b are longitudinal sectional views of the main parts showing the protruding and retracted states of the clip of this mechanism, respectively. FIG. 7 is a vertical sectional view showing still another example of the shaft in the mechanism of the present invention, FIG. 8 is a perspective view of a lead chuck. 1...Outer cylinder, 2...Long hole, 3...Clip, 4
...(For ballpoint pen, sharp pencil writing)
Shaft body, 5... tip, 6... elastic body (spring), 7...
...Tip (ballpoint pen tip, sharp pencil tip), 8...Cam mechanism, 9...Base part, 10
a, 10b...Front, rear engagement portion, 11...Engagement hole, 12...Front inclined surface, 13...Locking part, 13a
... Fitting section, 14 ... Rear inclined surface, 15 ... Moving section, 16 ... Protrusion, 18a, 18b, 18c ...
Insertion hole.

Claims (1)

【実用新案登録請求の範囲】 (1) 外筒１に長孔２を設け、この長孔２にクリ
ツプ３を出没自在に嵌着し、カム機構８を後方向
に付勢するための弾性体６を外筒１内に介挿せし
め、この弾性体６に抗してまたはその弾性力によ
りクリツプ３の出没操作に対応して軸体４の先端
部７を出没させる上記カム機構８を外筒１内に設
け、カム機構８はクリツプ３のベース部９の前、
後部に、外筒１の長孔２の前、後部に係合する前
、後方係合部１０ａ，１０ｂを、当該前、後方係
合部１０ａ，１０ｂの間に係合孔１１を設け、前
方係合部１０ａが摺接し後方に行くに従つて低く
なる前方傾斜面１２と、この前方傾斜面１２の後
部に設けられ前方係合部１０ａが係止する係止部
１３と、係合孔１１に係合し後方に行くに従つて
低くなる後方傾斜面１４とを有する移動部１５に
軸体４を当接または結合若しくは一体成形してな
る軸体先端部の出没機構。 (2) 軸体４と結合するカム機構８の部分に、外
径の異なる複数個の軸体４に対処できる嵌挿穴１
８ａ，１８ｂ……を設けてなる実用新案登録請求
の範囲第１項記載の軸体先端部の出没機構。 (3) カム機構８の後部、当該カム機構８の後部
にて外筒１に対向する部分、クリツプ３の下面、
上記いずれかの少なくとも１箇所に突子１６を設
けてなる実用新案登録請求の範囲第１項、第２項
のいずれかに記載の軸体先端部の出没機構。 (4) カム機構８に前方係合部１０ａが嵌入する
嵌挿部１３ａを設けてなる実用新案登録請求の範
囲第１項〜第３項のいずれかに記載の軸体先端部
の出没機構。[Claims for Utility Model Registration] (1) An elongated hole 2 is provided in the outer cylinder 1, and a clip 3 is fitted into the elongated hole 2 so as to be freely retractable, and an elastic body for urging the cam mechanism 8 in the rearward direction. 6 is inserted into the outer cylinder 1, and the above-mentioned cam mechanism 8 is inserted into the outer cylinder 1 to move the tip 7 of the shaft body 4 in and out in response to the movement of the clip 3 against the elastic body 6 or by its elastic force. 1, the cam mechanism 8 is located in front of the base portion 9 of the clip 3,
In the rear part, front and rear engaging parts 10a and 10b that engage with the long hole 2 of the outer cylinder 1 and the rear part are provided, and an engagement hole 11 is provided between the front and rear engaging parts 10a and 10b. A front inclined surface 12 on which the engaging portion 10a slides and becomes lower toward the rear, a locking portion 13 provided at the rear of the front inclined surface 12 and to which the front engaging portion 10a locks, and an engaging hole 11. A mechanism for protruding and retracting the tip of a shaft body, in which a shaft body 4 is brought into contact with, coupled to, or integrally formed with a moving portion 15 having a rear inclined surface 14 that engages with the rear slope surface 14 and becomes lower toward the rear. (2) A fitting hole 1 is provided in the part of the cam mechanism 8 that connects to the shaft body 4 to accommodate a plurality of shaft bodies 4 having different outer diameters.
8a, 18b... The mechanism for projecting and retracting the tip of the shaft body according to claim 1 of the registered utility model claim. (3) The rear part of the cam mechanism 8, the part facing the outer cylinder 1 at the rear part of the cam mechanism 8, the lower surface of the clip 3,
A mechanism for protruding and retracting a shaft tip portion according to any one of claims 1 and 2, which is provided with a protrusion 16 at at least one of the above-mentioned locations. (4) The protruding and retracting mechanism for the tip end of the shaft body according to any one of claims 1 to 3, which is a utility model registered claim, in which the cam mechanism 8 is provided with a fitting part 13a into which the front engaging part 10a is fitted.
JP1988153875U 1988-04-13 1988-11-25 Withdrawal mechanism of the shaft tip Expired - Lifetime JPH0632393Y2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1988153875U JPH0632393Y2 (en) 1988-11-25 1988-11-25 Withdrawal mechanism of the shaft tip
US07/336,674 US4973179A (en) 1988-04-13 1989-04-12 Clip actuated latch mechanism for retractable writing instruments
MX015632A MX171370B (en) 1988-04-13 1989-04-12 MECHANISM FOR PUTTING IN AND OUT OF THE HEAD OF A WRITING HANDLE IN A WRITING TOOL
EP89106567A EP0337447B1 (en) 1988-04-13 1989-04-13 Mechanism for put in and out the head of writing shaft in a writing tool
DE89106567T DE68909284T2 (en) 1988-04-13 1989-04-13 Mechanism for adjusting the tip of a writing instrument.
ES89106567T ES2043930T3 (en) 1988-04-13 1989-04-13 MECHANISM TO INTRODUCE AND REMOVE A TIP OR HEAD OF A ROD TYPE BODY TO WRITE.
US07/607,159 US5074694A (en) 1988-04-13 1990-10-31 Latch mechanism for retractable writing instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988153875U JPH0632393Y2 (en) 1988-11-25 1988-11-25 Withdrawal mechanism of the shaft tip

Publications (2)

Publication Number Publication Date
JPH0273377U true JPH0273377U (en) 1990-06-05
JPH0632393Y2 JPH0632393Y2 (en) 1994-08-24

Family

ID=31430101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988153875U Expired - Lifetime JPH0632393Y2 (en) 1988-04-13 1988-11-25 Withdrawal mechanism of the shaft tip

Country Status (1)

Country Link
JP (1) JPH0632393Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013237161A (en) * 2012-05-11 2013-11-28 Mitsubishi Pencil Co Ltd Mechanical pencil
JP2015089676A (en) * 2013-11-07 2015-05-11 ゼブラ株式会社 Side knock type writing instrument
JP2015089677A (en) * 2013-11-07 2015-05-11 ゼブラ株式会社 Side knock type writing utensil

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01153289U (en) * 1988-04-13 1989-10-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01153289U (en) * 1988-04-13 1989-10-23

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013237161A (en) * 2012-05-11 2013-11-28 Mitsubishi Pencil Co Ltd Mechanical pencil
JP2015089676A (en) * 2013-11-07 2015-05-11 ゼブラ株式会社 Side knock type writing instrument
JP2015089677A (en) * 2013-11-07 2015-05-11 ゼブラ株式会社 Side knock type writing utensil

Also Published As

Publication number Publication date
JPH0632393Y2 (en) 1994-08-24

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