JPH0273371U

JPH0273371U -

Info

Publication number: JPH0273371U
Application number: JP1989088371U
Authority: JP
Priority date: 1988-07-30
Filing date: 1989-07-27
Publication date: 1990-06-05
Anticipated expiration: 2004-07-27
Also published as: JP2552303Y2

Description

[Brief explanation of drawings]

第１図は本考案の一時的インキ溜め部材の一例
を示す縦断面図、第２図は第１図の一時的インキ
溜め部材を９０°回転させたときの縦断面図、第
３図は第１図の一時的インキ溜め部材の―線
横断面図、第４図は同じく―線横断面図、第
５図は一時的インキ溜め部材の他の一例を示す第
３図相当横断面図、第６図は本考案の筆記具の一
例を示す一部破断縦断面図、第７図から第２７図
は第６図に示すものの部品図であり、第７図は頭
冠の一部破断縦断面図、第８図は第７図の頭冠を
９０°回転させたときの一部破断縦断面図、第９
図は第７図の頭冠の正面図、第１０図は第７図の
頭冠の底面図、第１１図はキヤツプの一部破断縦
断面図、第１２図は第１１図のキヤツプの正面図
、第１３図は第１１図のキヤツプの底面図、第１
４図は前軸の一部破断縦断面図、第１５図は第１
４図の前軸の正面図、第１６図は第１４図の前軸
の底面図、第１７図はペン先の側面図、第１８図
は一時的インキ溜め部材の側面図、第１９図は、
第１８図の一時的インキ溜め部材を９０°回転さ
せたときの一部破断縦断面図、第２０図はインキ
タンクの一部破断縦断面図、第２１図は第２０図
のインキタンクを９０°回転させたときの一部破
断縦断面図、第２２図は第２１図のインキタンク
の正面図、第２３図は後軸の一部破断縦断面図、
第２４図は第２３図の後軸を９０°回転させたと
きの一部破断縦断面図、第２５図は第２３図の後
軸の正面図、第２６図は第２３図の後軸の底面図
、第２７図は第２３図の―線横断面
図。１……一時的インキ溜め部材、１ａ……貫通孔
、１ｂ……薄肉部、１ｃ……インキ溝、１ｄ……
連通部、１ｅ……開口部、１ｆ……空気交換溝、
１ｇ……凹陥部、１ｈ……鍔部、２……ペン先、
３……インキタンク、３ａ……凹条、４……頭冠
、４ａ……クリツプ、５……キヤツプ、５ａ……
乾燥防止用シール部、５ｂ……圧入用突起、６…
…前軸、６ａ……係止用段部、６ｂ……凹部、６
ｃ……内孔、６ｄ……小突起、６ｅ……鍔部、７
……後軸、７ａ……内孔、７ｂ……小突起、７ｃ
……突条。 FIG. 1 is a longitudinal sectional view showing an example of the temporary ink reservoir member of the present invention, FIG. 2 is a longitudinal sectional view of the temporary ink reservoir member of FIG. 1 rotated by 90 degrees, and FIG. 1, FIG. 4 is a cross-sectional view along the same line, FIG. 5 is a cross-sectional view corresponding to FIG. 3 showing another example of the temporary ink reservoir member, and FIG. Fig. 6 is a partially cutaway vertical sectional view showing an example of the writing implement of the present invention, Figs. , Fig. 8 is a partially cutaway vertical sectional view of the crown of Fig. 7 when rotated by 90 degrees, Fig. 9
The figure is a front view of the crown shown in Fig. 7, Fig. 10 is a bottom view of the crown shown in Fig. 7, Fig. 11 is a partially cutaway vertical sectional view of the cap, and Fig. 12 is a front view of the cap shown in Fig. 11. Figure 13 is the bottom view of the cap in Figure 11,
Figure 4 is a partially cutaway vertical cross-sectional view of the front axle, and Figure 15 is the first
4, FIG. 16 is a bottom view of the front shaft in FIG. 14, FIG. 17 is a side view of the pen tip, FIG. 18 is a side view of the temporary ink reservoir, and FIG. 19 is a side view of the temporary ink reservoir. ,
Fig. 18 is a partially cutaway vertical cross-sectional view of the temporary ink reservoir member rotated by 90 degrees, Fig. 20 is a partially cutaway longitudinal cross-sectional view of the ink tank, and Fig. 21 is a 90° cross-sectional view of the ink tank shown in Fig. 20. 22 is a front view of the ink tank shown in FIG. 21, and FIG. 23 is a partially broken longitudinal sectional view of the rear shaft when rotated.
Fig. 24 is a partially cutaway vertical cross-sectional view of the rear axle in Fig. 23 when rotated by 90 degrees, Fig. 25 is a front view of the rear axle in Fig. 23, and Fig. 26 is a longitudinal sectional view of the rear axle in Fig. 23. The bottom view and FIG. 27 are cross-sectional views taken along the line -- in FIG. 23. 1... Temporary ink reservoir member, 1a... Through hole, 1b... Thin wall portion, 1c... Ink groove, 1d...
Communication portion, 1e...opening, 1f...air exchange groove,
1g...concavity, 1h...flange, 2...pen tip,
3... Ink tank, 3a... Concave stripe, 4... Crown, 4a... Clip, 5... Cap, 5a...
Drying prevention seal portion, 5b...Press-fitting protrusion, 6...
...Front shaft, 6a...Locking step, 6b...Recess, 6
c... Inner hole, 6d... Small protrusion, 6e... Flange, 7
... Rear axis, 7a ... Inner hole, 7b ... Small projection, 7c
...Protrusion.

Claims

[Scope of Claim for Utility Model Registration] (1) A temporary ink reservoir member that temporarily stores ink in response to pressure changes within the ink tank, which includes a thin section with a comb-like longitudinal section forming an ink reservoir portion; A temporary ink reservoir member having a slit-shaped ink groove communicating with an ink reservoir, wherein a plurality of the ink grooves are formed symmetrically in a cross section. (2) A temporary ink reservoir member that temporarily stores ink in response to pressure changes within the ink tank, which includes a thin section with a comb-shaped longitudinal section forming the ink reservoir, and a slit that communicates with the ink reservoir. The ink groove has a flat cross-sectional shape as a whole, and the air exchange groove is formed on the side of the flat cross-section. Temporary ink reservoir member. (3) A temporary ink reservoir member made of synthetic resin that temporarily stores ink in response to pressure changes within the ink tank, which includes a thin section with a comb-like longitudinal section forming the ink reservoir portion, and an ink reservoir portion. It has a slit-shaped ink groove communicating with the ink groove, and further has an air exchange groove,
Further, in the product manufactured by injection molding using split molds, the ink groove is formed by at least one of the split molds, and the air exchange groove is formed by a core pin arranged between the split molds. A temporary ink reservoir member formed by. (4) A temporary ink reservoir member that temporarily stores ink in response to pressure changes within the ink tank, and has a flat cross-sectional shape as a whole, and is made up of at least a plurality of members: a front member and a rear member. A writing instrument housed in a shaft and interposed between a pen tip side and an ink tank side, wherein the temporary ink reservoir member and the ink tank can be prepared in advance as an integral assembly. .