JPH03121887U - - Google Patents
Info
- Publication number
- JPH03121887U JPH03121887U JP3006490U JP3006490U JPH03121887U JP H03121887 U JPH03121887 U JP H03121887U JP 3006490 U JP3006490 U JP 3006490U JP 3006490 U JP3006490 U JP 3006490U JP H03121887 U JPH03121887 U JP H03121887U
- Authority
- JP
- Japan
- Prior art keywords
- locking
- chuck
- tip shaft
- tip
- rear end
- 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
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
図は本考案の実施例を示したもので、第１図は
要部断面図、第２図は先軸とチヤツクカバーが連
結する前の状態を示す半断面側面図である。
１……芯挿通孔、２……チヤツク、３……締め
リング、４……段部、５……先軸、６……軸本体
、７……接合部、８……連結筒部、９……切欠溝
、１０……係止部、１１……芯ケース、１２……
スプリング、１３……チヤツクカバー、１４……
係止筒部、１５……先端縁、１６……突出接触部
、１７……リブ、１８……係止部。
The figures show an embodiment of the present invention; FIG. 1 is a sectional view of the main part, and FIG. 2 is a half-sectional side view showing the state before the tip shaft and chuck cover are connected. 1... Core insertion hole, 2... Chack, 3... Tightening ring, 4... Step part, 5... Tip shaft, 6... Shaft body, 7... Joint part, 8... Connection cylinder part, 9 ... Notch groove, 10 ... Locking part, 11 ... Core case, 12 ...
Spring, 13...Chuck cover, 14...
Locking tube portion, 15... Tip edge, 16... Protruding contact portion, 17... Rib, 18... Locking portion.
Claims (1)
前端外周部に装着した締めリング３が前進したと
きに当接する段部４を有する先軸５の後端に軸本
体６に対する接合部７を有する連結筒部８を設け
て該連結筒部８にその後端縁から所要距離前方位
置まで軸方向の切欠溝９を設けると共に連結筒部
８の内面部に係止部１０を設け、また、芯ケース
１１を後端に連結して前記締めリング３を前端外
周部に装着したチヤツク２と該チヤツクの後退用
スプリング１２を内部に収容したチヤツクカバー
１３の前端に先軸５の内部へ挿入可能な係止筒部
１４を設けて該係止筒部１４の外面部に先軸５の
前記切欠溝９に嵌入する軸方向のリブ１７を設け
ると共に前記先軸５の係止部１０と係合する係止
部１８を設け且つ係止筒部１４の前端にはその先
端縁１５が前記先軸５の段部４に当接する突出接
触部１６を延設したことを特徴とするノツク式シ
ヤープペンシル。 A connecting portion 7 to the shaft body 6 is provided at the rear end of the tip shaft 5, which has a core insertion hole 1 at the front end and has a stepped portion 4 that abuts when the tightening ring 3 attached to the front end outer periphery of the chuck 2 moves forward. A connecting cylinder part 8 is provided, and an axial notch groove 9 is provided in the connecting cylinder part 8 from the rear end edge to a required distance forward position, and a locking part 10 is provided on the inner surface of the connecting cylinder part 8, and A chuck 2 with the lead case 11 connected to the rear end and the tightening ring 3 attached to the outer periphery of the front end, and a chuck cover 13 housing a retraction spring 12 for the chuck inside can be inserted into the front end of the tip shaft 5. A locking cylindrical portion 14 is provided, and an axial rib 17 is provided on the outer surface of the locking cylindrical portion 14 to fit into the notch groove 9 of the tip shaft 5 and to engage with the locking portion 10 of the tip shaft 5. A lock-type sharp pencil characterized in that a locking portion 18 is provided, and a protruding contact portion 16 is provided at the front end of the locking cylinder portion 14 so that its tip edge 15 comes into contact with the stepped portion 4 of the tip shaft 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3006490U JPH03121887U (en) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3006490U JPH03121887U (en) | 1990-03-23 | 1990-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03121887U true JPH03121887U (en) | 1991-12-12 |
Family
ID=31532802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3006490U Pending JPH03121887U (en) | 1990-03-23 | 1990-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03121887U (en) |
-
1990
- 1990-03-23 JP JP3006490U patent/JPH03121887U/ja active Pending
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