JPH01158181U

JPH01158181U -

Info

Publication number: JPH01158181U
Application number: JP5432488U
Authority: JP
Priority date: 1988-04-22
Filing date: 1988-04-22
Publication date: 1989-11-01

Description

[Brief explanation of the drawing]

第１図Ａ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１図Ｂは同要部縦断
面図、第１図Ｃはリードチヤツクの開放時の同要
部縦断面図、第２図は先具の平面図、第３図は第
２図のＡ−Ａ線断面図、第４図は第２図の背面図
、第５図は先具の摺動溝の説明斜視図、第６図は
スライダーの平面図、第７図は第６図のＢ−Ｂ線
断面図、第８図は第６図の背面図、第９図はスリ
ーブの平面図、第１０図は第９図のＣ−Ｃ線断面
図、第１１図は第９図の背面図、第１２図は突き
出しバーの正面図、第１３図はＥ−Ｅ線断面図、
第１４図はリードチヤツク部材の縦断面図、第１
５図は同リードチヤツク部材の平面図、第１６図
は同側面図、第１７図はリードチヤツクの側面図
、第１８図はボール保持部の説明斜視図、第１９
図は第１７図のＦ−Ｆ線断面図、第２０図は第１
７図のＧ−Ｇ線断面図、第２１図はリードチヤツ
ク部材の実施例の底面図、第２２〜第２６図は芯
送出動作、ロツク動作の説明図を示す。１は外筒、２は先具、３はスライダー、４はス
リーブ、５は芯送出機構、５１はリードチヤツク
、５２はボール保持部、５２ａは凸状部、５５は
係止段部、５５ａはスプリング係止突部、５５ｂ
はストツパ当接突部、５６は締付用の弾性体、６
はストツパ、１０は突き出しバー、１０７は開放
傾斜部、１１，１２は第１、第２の弾性体、Ｓは
芯。 FIG. 1A is a longitudinal sectional view of a sharpening pencil to which an embodiment of this invention is applied, FIG. 1B is a longitudinal sectional view of the same essential part, and FIG. Fig. 2 is a plan view of the tip, Fig. 3 is a sectional view taken along line A-A in Fig. 2, Fig. 4 is a rear view of Fig. 2, and Fig. 5 is an explanatory perspective view of the sliding groove of the tip. , FIG. 6 is a plan view of the slider, FIG. 7 is a sectional view taken along the line B-B in FIG. 6, FIG. 8 is a rear view of FIG. 6, FIG. 9 is a plan view of the sleeve, and FIG. 9 is a sectional view taken along the line C-C, FIG. 11 is a rear view of FIG. 9, FIG. 12 is a front view of the ejector bar, and FIG. 13 is a sectional view taken along the line E-E.
FIG. 14 is a vertical sectional view of the lead chuck member, the first
Fig. 5 is a plan view of the lead chuck member, Fig. 16 is a side view thereof, Fig. 17 is a side view of the lead chuck, Fig. 18 is an explanatory perspective view of the ball holding part, and Fig. 19
The figure is a sectional view taken along the line F-F in Fig. 17, and Fig. 20 is a cross-sectional view taken along the line FF in Fig.
7 is a sectional view taken along the line G--G, FIG. 21 is a bottom view of an embodiment of the lead chuck member, and FIGS. 22 to 26 are explanatory diagrams of the lead feeding operation and the locking operation. 1 is an outer cylinder, 2 is a tip, 3 is a slider, 4 is a sleeve, 5 is a core delivery mechanism, 51 is a lead chuck, 52 is a ball holding part, 52a is a convex part, 55 is a locking step part, 55a is a spring Locking protrusion, 55b
5 is a stopper abutting protrusion, 56 is an elastic body for tightening, 6
10 is a stopper, 10 is an elongated bar, 107 is an open slope, 11 and 12 are first and second elastic bodies, and S is a core.

Claims

[Scope of utility model registration request]

A tip 2 removably fitted to the tip of the outer cylinder 1, a sleeve 4 slidably engaged and arranged inside the tip 2, and a sleeve 4 mounted inside the sleeve 4.
It has a core delivery mechanism 5 that allows the core S to move forward but prevents it from retreating, and a lock release part that is located on the distal end side of the sleeve 4 and releases the lock of the slider 3 described later, and a covering that penetrates the core S. an ejector bar 10, a slider 3 that is slidably disposed within the tip 2 and applies a predetermined frictional force to the core S, and an elastic member that is landed between the slider 3 and the ejector bar 10. A sharpening pencil with a body 12.