JPS5961976U

JPS5961976U - Shape pencil

Info

Publication number: JPS5961976U
Application number: JP15586082U
Authority: JP
Inventors: 光男清水
Original assignee: パイロツトプレシジヨン株式会社
Priority date: 1982-10-15
Filing date: 1982-10-15
Publication date: 1984-04-23

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案のシャープペンシルを示す主要部縦断
面図、第２図は第１図の芯タンクの弾性部を示す展開図
、第３図は第１図のＡ−Ａ線の芯タンクを示す横断面図
、第４図は第１図のＢ−Ｂ線の芯タンクを示す横断面図
、第５図はこの考案の他の実施態様を示す主要部縦断面
図である。１・・・芯ホルダ−，２・・・口金、３，１３・・・軸
、４゜１４・・・チャック、５・・・締リング、６．１
６・・・芯タンク、７，１７・・・チャックスプリング
、８・・・芯、９．１９・・・重量体、１０・・・コネ
クター。Fig. 1 is a vertical sectional view of the main parts of the mechanical pencil of this invention, Fig. 2 is a developed view showing the elastic part of the lead tank in Fig. 1, and Fig. 3 is a lead tank taken along line A-A in Fig. 1. FIG. 4 is a cross-sectional view showing the core tank taken along the line B--B in FIG. 1, and FIG. 5 is a longitudinal cross-sectional view of the main part showing another embodiment of this invention. 1... Core holder, 2... Cap, 3, 13... Shaft, 4゜14... Chuck, 5... Tightening ring, 6.1
6... Core tank, 7, 17... Chuck spring, 8... Core, 9.19... Weight body, 10... Connector.

Claims

[Claims for Utility Model Registration] A cap 2 with a built-in lead holder 1, shafts 3 and 13 to which the cap 2 is attached, and a chuck spring 1 with a weak elastic force.
7. Chucks 4, 1 in contact with tightening ring 5 by 17
4 and a core tank 6.16 fixed to the chucks 4 and 14.
and weight bodies 9, 19 provided slidably in the longitudinal direction on the lead tank 6.16, and the chucks 4, 14 are advanced by the inertial force of the weight bodies 9, 19 to feed out the lead 8. In the pencil, the inner thigh of shafts 3 and 13 3 B
. 13B and the outer leg 6A of the core tank 6 or the chuck 14
A chuck spring 7.17 is stretched between the outer crotch 10B of the connector 10 held by the core tank 16-, and the outer flange 6B of the core tank 6, which can be brought into contact with the front end 9A of the weight body 9, A large number of through holes 6C of an appropriate shape are provided between the crotch 6A to constitute an elastic part that can be expanded and contracted in the longitudinal direction, or the rear end 10E of the connector 10 can be brought into contact with the front end 19A of the weight body 19. A mechanical pencil characterized in that a large number of appropriately shaped through holes 10C are provided between the outer thigh 10B and an elastic part that can be expanded and contracted in the longitudinal direction.