JPS6372087U

JPS6372087U -

Info

Publication number: JPS6372087U
Application number: JP16735686U
Authority: JP
Priority date: 1986-10-30
Filing date: 1986-10-30
Publication date: 1988-05-14
Also published as: JPH0453980Y2; KR890006812Y1; KR890006814Y1

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す断面図、第
２図はスリーブと先端受部の係合状態を示す平面
図、第３図はリードチヤツクの断面図、第４図は
同平面図、第５図は第４図の―線断面図、第
６図は第４図の―線断面図、第７図は第３図
の―線断面図、第８図は第７図の一方のチヤ
ツク部材を部分的に拡大して示す平面図、第９図
は第７図の芯保持孔部の部分的拡大展開図、第１
０図は第９図の歯部の拡大図、第１１図および第
１２図はリードチヤツクのそれぞれ異なつた他の
実施例を示す断面図、第１３図はリードチヤツク
と先端受部の他の実施例を示す縦断面図、第１４
は摩擦付与部材の断面図、第１５図〜第１８図は
芯送出動作説明図である。図において、１は外筒、２は先具、３は芯パイ
プ、６はリードチヤツク、８は先筒、１２は弾性
体、１５はスライダー、１７はスライドパイプ、
８ａ，１８ｂは係止手段である。 Fig. 1 is a sectional view showing an embodiment of this invention, Fig. 2 is a plan view showing the engaged state of the sleeve and the tip receiving portion, Fig. 3 is a sectional view of the lead chuck, and Fig. 4 is a plan view thereof. Fig. 5 is a sectional view taken along the line - - of Fig. 4, Fig. 6 is a sectional view taken along the - line of Fig. 4, Fig. 7 is a sectional view taken along the - line of Fig. 3, and Fig. 8 is a sectional view taken along the - line of Fig. 7. FIG. 9 is a partially enlarged plan view of the member; FIG. 9 is a partially enlarged developed view of the core holding hole in FIG. 7;
Fig. 0 is an enlarged view of the teeth in Fig. 9, Figs. 11 and 12 are sectional views showing different embodiments of the lead chuck, and Fig. 13 shows other embodiments of the lead chuck and tip receiving part. Longitudinal sectional view shown, No. 14
15 is a sectional view of the friction imparting member, and FIGS. 15 to 18 are explanatory diagrams of the core feeding operation. In the figure, 1 is an outer tube, 2 is a tip, 3 is a core pipe, 6 is a lead chuck, 8 is a tip tube, 12 is an elastic body, 15 is a slider, 17 is a slide pipe,
8a and 18b are locking means.

Claims

[Claims for Utility Model Registration] (1) A core pipe 3 housed in an outer cylinder 1 so as to be slidable in the axial direction, a lead chuck 6 for inserting a core disposed on the tip side of the core pipe 3, A tip tube 8 arranged and fixed on the tip side of the lead chuck 6,
A slider that integrally has a slide pipe 17 that protrudes and retracts from the tip 2 of the outer tube 1, is slidably disposed within the tip tube 8, and is biased forward by an elastic body 12. 15, and the slider 15 is provided on the inner circumferential surface of the tip cylinder 8 and the outer circumferential surface of the slider 15, and in the retracted position of the slider 15 in which the slide pipe 17 is housed in the tip tool 2, the elastic body 12 is A locking means 8 that locks the slider 15 by releasably engaging it with an engaging force greater than the elastic force.
A sharpening pencil comprising: a, 18b. (2) The sharpening pencil according to claim 1, wherein the sleeve 7 fitted over the head of the lead chuck 6 is biased forward by a third elastic body 16.