JPH02124192U - - Google Patents
Info
- Publication number
- JPH02124192U JPH02124192U JP1989033153U JP3315389U JPH02124192U JP H02124192 U JPH02124192 U JP H02124192U JP 1989033153 U JP1989033153 U JP 1989033153U JP 3315389 U JP3315389 U JP 3315389U JP H02124192 U JPH02124192 U JP H02124192U
- Authority
- JP
- Japan
- Prior art keywords
- lead
- chuck
- core
- waste
- pencil according
- 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
- 239000002699 waste material Substances 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
- B43K21/033—Writing-core feeding mechanisms with sliding tubelike writing-core guide with automatic feed by pressure during use of pencil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/22—Writing-cores gripping means, e.g. chucks
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
第１図はこの考案の一実施例を適用したシヤー
プペンシルの縦断面図、第２図は先具の摺動溝の
説明斜視図、第３図はスリーブの平面図、第４図
はチヤツク部材の平面図、第５図は一部断面を含
む同側面図、第６図はリードチヤツク全体の平面
図、第７図は一部断面を含むチヤツク部材の側面
図、第８図はチヤツク部材の底面図、第９図〜第
１２図はチヤツク部材の芯支持部の断面説明図、
第１３図は曲面壁部の拡大側面図、第１４図〜第
１８図は動作説明図である。
１……外筒、２……先具、３……スライダー、
４……スリーブ、５……芯送出機構、５１……リ
ードチヤツク、５１ａ，５１ｂ……チヤツク部材
、５１１ａ……歯部、５１３……芯支持部、５１
５……芯カス逃がし部、５１５ａ……貫通孔。
Fig. 1 is a longitudinal sectional view of a sharp pencil to which an embodiment of this invention is applied, Fig. 2 is an explanatory perspective view of the sliding groove of the tip, Fig. 3 is a plan view of the sleeve, and Fig. 4 is the chuck member. 5 is a side view including a partial cross section, FIG. 6 is a plan view of the entire lead chuck, FIG. 7 is a side view of the chuck member including a partial cross section, and FIG. 8 is a bottom view of the chuck member. 9 to 12 are cross-sectional explanatory views of the core support portion of the chuck member,
FIG. 13 is an enlarged side view of the curved wall portion, and FIGS. 14 to 18 are explanatory views of the operation. 1...outer cylinder, 2...tip, 3...slider,
4...Sleeve, 5...Core delivery mechanism, 51...Lead chuck, 51a, 51b...chuck member, 511a...teeth portion, 513...core support portion, 51
5... Core waste relief part, 515a... Through hole.
Claims (1)
材５１ａ，５１ｂと、上記チヤツク部材５１ａ，
５１ｂの先端側内周面に形成され、芯Ｓを保持す
る芯支持部５１３と、この芯支持部５１３に沿つ
て、軸方向に形成された芯カス逃がし部５１５と
を備えたシヤープペンシルのリードチヤツク。 (2) 上記芯支持部５１３に芯喰着用の歯部５１
１ａを形成したことを特徴とする請求項第１項記
載のシヤープペンシルのリードチヤツク。 (3) 芯カス逃がし部５１５は、歯部５１１ａと
歯部５１１ａとの間に形成されたことを特徴とす
る請求項第１項または第２項記載のシヤープペン
シルのリードチヤツク。 (3) 芯カス逃がし部５１５からチヤツク部材５
１ａ，５１ｂの外周面に達する貫通孔５１５ａま
たは貫通溝を形成したことを特徴とする請求項第
１項〜第４項いずれか１項記載のシヤープペンシ
ルのリードチヤツク。 (4) 芯カス逃がし部５１５は、上記チヤツク部
材５１ａ，５１ｂの頭部に向かうに従つて、順次
下方へ傾斜し、該チヤツク部材５１ａ，５１ｂの
芯喰着時に生じた芯カスを外部へ排出できること
を特徴とする請求項第１項〜第４項いずれか１項
記載のシヤープペンシルのリードチヤツク。[Claims for Utility Model Registration] (1) Chuck members 51a, 51b having a core insertion hole 57 in the shaft center, and the chuck members 51a,
A lead chuck for a sharpening pencil comprising a lead support part 513 formed on the inner circumferential surface on the distal end side of the lead chuck 51b and holding the lead S, and a lead waste escape part 515 formed in the axial direction along the lead support part 513. . (2) Tooth portion 51 for attaching a core to the core support portion 513
2. A lead chuck for a mechanical pencil according to claim 1, characterized in that the lead chuck has a shape of 1a. (3) A lead chuck for a sharp pencil according to claim 1 or 2, characterized in that the lead waste release portion 515 is formed between the tooth portions 511a. (3) From the core waste release part 515 to the chuck member 5
A lead chuck for a sharpening pencil according to any one of claims 1 to 4, characterized in that a through hole 515a or a through groove reaching the outer circumferential surface of each of the lead chucks 1a and 51b is formed. (4) The core waste releasing portion 515 is gradually inclined downward as it goes toward the head of the chuck members 51a, 51b, and discharges the core waste generated when the chuck members 51a, 51b are attached to the core to the outside. A lead chuck for a sharpening pencil according to any one of claims 1 to 4, characterized in that it can be used as a lead chuck.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989033153U JPH02124192U (en) | 1989-03-27 | 1989-03-27 | |
| KR2019890013507U KR910007433Y1 (en) | 1989-03-27 | 1989-09-12 | Lead chuck of mechanical pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989033153U JPH02124192U (en) | 1989-03-27 | 1989-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02124192U true JPH02124192U (en) | 1990-10-12 |
Family
ID=31536574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989033153U Pending JPH02124192U (en) | 1989-03-27 | 1989-03-27 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH02124192U (en) |
| KR (1) | KR910007433Y1 (en) |
-
1989
- 1989-03-27 JP JP1989033153U patent/JPH02124192U/ja active Pending
- 1989-09-12 KR KR2019890013507U patent/KR910007433Y1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR900016872U (en) | 1990-10-05 |
| KR910007433Y1 (en) | 1991-09-27 |