JPS58123088U

JPS58123088U - writing implements

Info

Publication number: JPS58123088U
Application number: JP2031182U
Authority: JP
Inventors: 清一小林
Original assignee: 三菱鉛筆株式会社
Priority date: 1982-02-16
Filing date: 1982-02-16
Publication date: 1983-08-22

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 the drawing]

第１図はペンシル要素が筆記状態にある筆記具の要部の
縦断面図、第２図は第１図においてキャップを左１８０
度回転した状態で筆記要素を省略した要部の縦断面図、
第３図はガイド筒の平面図、第４図はガイド筒の頭部部
分の側面図、第５図は円筒カムの平面図、第６図は円筒
カムの縦断面図、第７図はノック棒め正面図、第８図は
ノック棒及びキャップと円筒カムとノック部材との取付
構造を変形した他の実施例図、第９図は第８図を更に変
形した他の実施例図である。　　　　　　−１・・・ガ
イド筒１．２・・・ペンシル要素、３・・・ボールペン
要素、４．５・・・ガイド溝、６・・・ガイド筒の頭　
、部、７・・・貫通孔、９・・・半周溝、１４，１４ａ
・・・摺動コマ、１６・・・円筒カム、１８・・・内方
鍔、２０・・・カム斜面、２１・・・取付溝、２２・・
・キャップ、２３・・・突出部、２４・・・ノック部材
、２８・・・ノックキャップ、２９・・・ノックボス部
、３０・・・ノック棒、３１・・・ノック棒ガイド溝。Figure 1 is a vertical cross-sectional view of the main parts of the writing instrument with the pencil element in the writing state, and Figure 2 is a vertical sectional view of the main part of the writing instrument with the pencil element in the writing state.
Longitudinal cross-sectional view of the main part with writing elements omitted in a rotated state,
Fig. 3 is a plan view of the guide cylinder, Fig. 4 is a side view of the head portion of the guide cylinder, Fig. 5 is a plan view of the cylindrical cam, Fig. 6 is a vertical cross-sectional view of the cylindrical cam, and Fig. 7 is a knock. A front view of the rod, FIG. 8 is a diagram of another embodiment in which the mounting structure of the knock bar, cap, cylindrical cam, and knock member is modified, and FIG. 9 is a diagram of another embodiment in which FIG. 8 is further modified. . -1... Guide tube 1.2... Pencil element, 3... Ballpoint pen element, 4.5... Guide groove, 6... Head of guide tube
, part, 7... through hole, 9... semicircular groove, 14, 14a
...Sliding piece, 16...Cylindrical cam, 18...Inner collar, 20...Cam slope, 21...Mounting groove, 22...
- Cap, 23...Protrusion part, 24...Knock member, 28...Knock cap, 29...Knock boss part, 30...Knock bar, 31...Knock bar guide groove.

Claims

[Claims for Utility Model Registration] (1) Inside the cap 22 of the writing shaft, each sliding piece 14.
A guide tube 1 capable of axially guiding the pencil and ballpoint pen element 2.3 having the shape 14a is attached to the rear shaft so as to be movable only in the rotational direction with respect to the rear shaft, and the slider A cylindrical cam 16 having a cam slope 20 that engages the pieces 14, 14a and moves the pieces up and down is installed at 180.
The cylindrical cam 16 and the cap 22 are integrally fixed, and a knock cap 28 at the outer end of the shaft is placed inside the cap 22 above the guide cylinder.
The knock member 24, which is pressed down by the user, is spring supported so as to be movable in the axial direction and is rotatably attached integrally with the cap 22, and a knock rod 30 hanging from the lower surface of the knock portion wiper 24 is attached to the cylindrical cam. 16 cam tips
The knock rod is inserted into the guide groove 31 on the side of the part 20a so as to be movable up and down, and has a convex part at one end and abutting contact with the convex part at the other end on the facing joint surfaces of the knock member 24 and the guide cylinder 1. A writing instrument comprising a surface and a recess into which the protrusion can fit so as to allow the knock member 24 to move in the axial direction. □(2) Cut out a vertical groove 10 in the head 6 of the guide tube 1 from the upper end in the axial direction. A semi-circumferential groove 9 in the circumferential direction is provided in communication with the groove, a stopper 11 for preventing rotation is formed on the left and right end walls of the semi-circumferential groove 9, and an inner flange 1 of the cylindrical cam 16 is formed in the circumferential groove 9.
8 introduced from the longitudinal groove 10. (3) A through hole 7 is provided on the end surface of the head 6 of the guide tube 1 so as to communicate with the guide groove 4 of the pencil element 2, and the knock member 24 located above and opposite to the hole can be fitted into the through hole 7. A writing instrument according to claim 1, which is provided with a knock boss portion 29. (4) A mounting groove or recess is provided in the outer wall of the cylindrical cam 16 on the side of the cam rear end 20C and in the flange 25 of the knocking member 24 on the same surface, and a protrusion bulges into the inner wall of the cap 22 in these. The writing instrument according to claim 1 of the utility model registration claim, in which the portion 23 is bitten and fixed integrally.