JPH03103785U - - Google Patents

Info

Publication number
JPH03103785U
JPH03103785U JP1293690U JP1293690U JPH03103785U JP H03103785 U JPH03103785 U JP H03103785U JP 1293690 U JP1293690 U JP 1293690U JP 1293690 U JP1293690 U JP 1293690U JP H03103785 U JPH03103785 U JP H03103785U
Authority
JP
Japan
Prior art keywords
split
protrusion
recess
lead gripping
sides
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
JP1293690U
Other languages
Japanese (ja)
Other versions
JP2531069Y2 (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 JP1990012936U priority Critical patent/JP2531069Y2/en
Publication of JPH03103785U publication Critical patent/JPH03103785U/ja
Application granted granted Critical
Publication of JP2531069Y2 publication Critical patent/JP2531069Y2/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 drawings]

第１図及び第２図は本考案の実施例を示したも
ので、第１図はシヤープペンシル先端部の縦断面
図、第２図は第１図Ａ−Ａ線の横断面図である。
また第３図は従来例を示したもので第２図と同一
位置の横断面図である。 １……二つ割チヤツク、２……芯把持部、３，
３′……分割部位、４，４′……芯把持溝、５，
５′，５″，５……割り面、６，６′……凸部
、７，７′……凹部、８……締め具、９……芯ケ
ース、１０……ノツクスプリング、１１……チヤ
ツクケース、１２……先軸、１３……軸筒、イ…
…芯。 1 and 2 show an embodiment of the present invention, in which FIG. 1 is a longitudinal cross-sectional view of the tip of a sharp pencil, and FIG. 2 is a cross-sectional view taken along line A--A in FIG. 1.
Further, FIG. 3 shows a conventional example, and is a cross-sectional view at the same position as FIG. 2. 1...Half chuck, 2...Lead gripping part, 3,
3'...Divided portion, 4, 4'...Lead gripping groove, 5,
5', 5'', 5... split surface, 6, 6'... convex part, 7, 7'... concave part, 8... fastener, 9... core case, 10... knot spring, 11... Chuck case, 12... Tip shaft, 13... Shaft cylinder, I...
…core.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 二つ割チヤツクの先端芯把持部における一方の
分割部位の内面の芯把持溝の両側の割り面にそれ
ぞれ凸部又は凹部を設けると共に、他方の分割部
位の芯把持溝の両側の割り面において前記の凸部
又は凹部と対向する位置にその凸部又は凹部に対
して嵌合する凹部又は凸部を設けたことを特徴と
するシヤープペンシル。 Protrusions or recesses are provided on the split surfaces on both sides of the lead gripping groove on the inner surface of one split part of the tip lead gripping part of the split chuck, and the split faces on both sides of the lead gripping groove in the other split part are provided with the above-mentioned parts. A sharpening pencil characterized in that a recess or a protrusion that fits into the protrusion or recess is provided at a position facing the protrusion or recess.
JP1990012936U 1990-02-13 1990-02-13 mechanical pencil Expired - Lifetime JP2531069Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990012936U JP2531069Y2 (en) 1990-02-13 1990-02-13 mechanical pencil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990012936U JP2531069Y2 (en) 1990-02-13 1990-02-13 mechanical pencil

Publications (2)

Publication Number Publication Date
JPH03103785U true JPH03103785U (en) 1991-10-28
JP2531069Y2 JP2531069Y2 (en) 1997-04-02

Family

ID=31516379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990012936U Expired - Lifetime JP2531069Y2 (en) 1990-02-13 1990-02-13 mechanical pencil

Country Status (1)

Country Link
JP (1) JP2531069Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7438725B2 (en) * 2005-12-21 2008-10-21 Prosthetic Design, Inc. Knee cosmesis
JP2015205416A (en) * 2014-04-17 2015-11-19 株式会社パイロットコーポレーション Mechanical pencil

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128885U (en) * 1986-02-07 1987-08-14
JPS62249799A (en) * 1986-04-23 1987-10-30 株式会社　壽 Switchgear for lead cartridge

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128885U (en) * 1986-02-07 1987-08-14
JPS62249799A (en) * 1986-04-23 1987-10-30 株式会社　壽 Switchgear for lead cartridge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7438725B2 (en) * 2005-12-21 2008-10-21 Prosthetic Design, Inc. Knee cosmesis
US7833286B2 (en) 2005-12-21 2010-11-16 Prosthetic Design, Inc. Knee cosmesis
JP2015205416A (en) * 2014-04-17 2015-11-19 株式会社パイロットコーポレーション Mechanical pencil

Also Published As

Publication number Publication date
JP2531069Y2 (en) 1997-04-02

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