JPS636890U - - Google Patents

Info

Publication number
JPS636890U
JPS636890U JP9975486U JP9975486U JPS636890U JP S636890 U JPS636890 U JP S636890U JP 9975486 U JP9975486 U JP 9975486U JP 9975486 U JP9975486 U JP 9975486U JP S636890 U JPS636890 U JP S636890U
Authority
JP
Japan
Prior art keywords
chuck mechanism
holder
ball chuck
drawing head
ball
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
JP9975486U
Other languages
Japanese (ja)
Other versions
JPH0435198Y2 (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 JP1986099754U priority Critical patent/JPH0435198Y2/ja
Publication of JPS636890U publication Critical patent/JPS636890U/ja
Application granted granted Critical
Publication of JPH0435198Y2 publication Critical patent/JPH0435198Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Description

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

第１図は本考案の実施例を示す縦断面図、第２
図は従来例を示す縦断面図である。 １……ホルダー、２……チヤツク、２ａ……内
孔、８……ボールチヤツク機構、９……スライダ
ー、１０……保持部材、１１……弾撥部材、１５
……案内管。 Fig. 1 is a vertical sectional view showing an embodiment of the present invention;
The figure is a longitudinal sectional view showing a conventional example. DESCRIPTION OF SYMBOLS 1...Holder, 2...Chuck, 2a...Inner hole, 8...Ball chuck mechanism, 9...Slider, 10...Holding member, 11...Resilient member, 15
...Guiding tube.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鉛芯の前進は許容するがその後退を楔作用にて
妨げることが可能なボールチヤツク機構をホルダ
ー内に配置するとともに、該ボールチヤツク機構
の前方に保持部材を有するスライダーを弾撥部材
により前方に付勢し摺動自在に配置してなる画線
ヘツドにおいて、前記ボールチヤツク機構のチヤ
ツクの内孔にホルダーに固定された案内管を挿入
配置してなる自動製図機の画線ヘツド。 A ball chuck mechanism that allows the lead core to advance but prevents its retreat by a wedge action is disposed in the holder, and a slider having a holding member in front of the ball chuck mechanism is urged forward by an elastic member. A drawing head for an automatic drafting machine, in which a guide tube fixed to a holder is inserted into an inner hole of a chuck of the ball chuck mechanism, in the drawing head slidably arranged.
JP1986099754U 1986-06-28 1986-06-28 Expired JPH0435198Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986099754U JPH0435198Y2 (en) 1986-06-28 1986-06-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986099754U JPH0435198Y2 (en) 1986-06-28 1986-06-28

Publications (2)

Publication Number Publication Date
JPS636890U true JPS636890U (en) 1988-01-18
JPH0435198Y2 JPH0435198Y2 (en) 1992-08-20

Family

ID=30968927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986099754U Expired JPH0435198Y2 (en) 1986-06-28 1986-06-28

Country Status (1)

Country Link
JP (1) JPH0435198Y2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50122326A (en) * 1974-03-09 1975-09-25
JPS5117936U (en) * 1974-07-29 1976-02-09
JPS534632A (en) * 1976-07-02 1978-01-17 Pilot Precision Sharp pencil
JPS53135697A (en) * 1977-04-30 1978-11-27 Olympus Optical Co Ltd Automatic cell diagnosis apparatus
JPS5662200A (en) * 1979-10-26 1981-05-27 Mutoh Ind Ltd Line drawing head for drawing instrument
JPS59118580U (en) * 1983-01-28 1984-08-10 ぺんてる株式会社 Shape pencil
JPS6140295U (en) * 1984-08-20 1986-03-14 マックス株式会社 Automatic drawing machine pencil lead chuck device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877545A (en) * 1981-10-31 1983-05-10 Toshiba Corp Hard alloy

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50122326A (en) * 1974-03-09 1975-09-25
JPS5117936U (en) * 1974-07-29 1976-02-09
JPS534632A (en) * 1976-07-02 1978-01-17 Pilot Precision Sharp pencil
JPS53135697A (en) * 1977-04-30 1978-11-27 Olympus Optical Co Ltd Automatic cell diagnosis apparatus
JPS5662200A (en) * 1979-10-26 1981-05-27 Mutoh Ind Ltd Line drawing head for drawing instrument
JPS59118580U (en) * 1983-01-28 1984-08-10 ぺんてる株式会社 Shape pencil
JPS6140295U (en) * 1984-08-20 1986-03-14 マックス株式会社 Automatic drawing machine pencil lead chuck device

Also Published As

Publication number Publication date
JPH0435198Y2 (en) 1992-08-20

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