JPH039882U - - Google Patents
Info
- Publication number
- JPH039882U JPH039882U JP6989589U JP6989589U JPH039882U JP H039882 U JPH039882 U JP H039882U JP 6989589 U JP6989589 U JP 6989589U JP 6989589 U JP6989589 U JP 6989589U JP H039882 U JPH039882 U JP H039882U
- Authority
- JP
- Japan
- Prior art keywords
- core pipe
- tongue
- bent joint
- eraser
- 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.)
- Granted
Links
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
第１図乃至第４図は本考案の実施例に係り、第
１図は芯パイプ後端部の側面図、第２図は芯パイ
プ後端部の断面図、第３図は芯パイプに消ゴムユ
ニツトを挿着する途中過程の断面図、第４図は芯
パイプに対する消ゴムユニツト挿着完了状態の断
面図である。また、第５図は従来例に係る芯パイ
プ後端部とノツクカバーの斜視図である。
１…芯パイプ、２…切欠溝、３…舌状部、４…
切り起し片、５…ノツクカバー、６…屈曲節部、
８…消ゴムユニツト、９…消ゴム、１０…消ゴム
止め金具。
Figures 1 to 4 relate to embodiments of the present invention, in which Figure 1 is a side view of the rear end of the core pipe, Figure 2 is a sectional view of the rear end of the core pipe, and Figure 3 is an eraser on the core pipe. FIG. 4 is a cross-sectional view showing an intermediate process of inserting the eraser unit, and FIG. 4 is a cross-sectional view showing the eraser unit being completely inserted into the core pipe. Further, FIG. 5 is a perspective view of the rear end portion of the core pipe and the knock cover according to the conventional example. 1... Core pipe, 2... Notch groove, 3... Tongue-shaped part, 4...
Cut and raised piece, 5... Knot cover, 6... Bent joint part,
8...Eraser unit, 9...Eraser, 10...Eraser stopper.
Claims (1)
切欠溝を形成してその切欠溝に囲まれた部位にそ
の外面が芯パイプの側面と同一又は側面より内側
に位置する舌状部を設けると共に、当該舌状部の
根元部に内面側へ突出する屈曲節部を形成し、芯
パイプの後端内孔部へ消ゴムユニツトを挿着する
際に芯パイプの前記屈曲節部に消ゴムユニツトを
当接させて同屈曲節部を押し上げることにより前
記舌状部を変形させて芯パイプ側面より外側へ傾
斜状に起き上らせてなるシヤープペンシルの芯パ
イプにおけるノツクカバー固定用弾性切り起し片
。 A substantially U-shaped notch groove is formed in the side surface near the rear end opening of the core pipe, and a tongue-shaped portion whose outer surface is the same as or located inside the side surface of the core pipe in a region surrounded by the notch groove. At the same time, a bent joint protruding toward the inner surface is formed at the base of the tongue-like part, and when the eraser unit is inserted into the inner hole at the rear end of the core pipe, the eraser is inserted into the bent joint of the core pipe. An elastic cut-and-raised part for fixing a knot cover in a sharp pencil core pipe, which is formed by bringing a unit into contact with the tongue and pushing up the bent joint part, thereby deforming the tongue-like part and raising it in an inclined manner outward from the side surface of the core pipe. Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6989589U JPH0737910Y2 (en) | 1989-06-15 | 1989-06-15 | Elastic cut-and-raised piece for fixing knock cover in core pipe of sharp pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6989589U JPH0737910Y2 (en) | 1989-06-15 | 1989-06-15 | Elastic cut-and-raised piece for fixing knock cover in core pipe of sharp pencil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH039882U true JPH039882U (en) | 1991-01-30 |
| JPH0737910Y2 JPH0737910Y2 (en) | 1995-08-30 |
Family
ID=31605593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6989589U Expired - Lifetime JPH0737910Y2 (en) | 1989-06-15 | 1989-06-15 | Elastic cut-and-raised piece for fixing knock cover in core pipe of sharp pencil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0737910Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54131381U (en) * | 1978-02-25 | 1979-09-12 |
-
1989
- 1989-06-15 JP JP6989589U patent/JPH0737910Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54131381U (en) * | 1978-02-25 | 1979-09-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0737910Y2 (en) | 1995-08-30 |
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