JPS6440586U

JPS6440586U -

Info

Publication number: JPS6440586U
Application number: JP13325287U
Authority: JP
Priority date: 1987-09-02
Filing date: 1987-09-02
Publication date: 1989-03-10
Anticipated expiration: 2002-09-02
Also published as: JPH0732134Y2

Description

[Brief explanation of drawings]

第１図乃至第３図は本考案の実施例を示したも
ので、第１図は水性ボールペンリフイールの縦断
面図、第２図は上記リフイールを搭載したノツク
式筆記具の要部透視縦断面図を示している。第３
図は第２図に示すノツク式筆記具の正面図であり
、第４図は上面図を示している。１……リフイール、２……金属チユーブ、３…
…口プラ、４……小径部、５……通気溝、６……
芯保持部、７……案内筒部、８……フランジ部、
９……嵌着部、１０……ボール、１１……チツプ
、１２……後端小径部、１３……誘導芯、１４…
…インク吸蔵体、１５……尾栓、１６……係止突
起、１７……切欠溝、１８……横孔、１９……周
溝Ａ、２０……縦溝Ａ、２１……周溝Ｂ、２２…
…縦溝Ｂ、２３……空気孔、２４……圧入径部、
２５……内孔、２６……隔壁、２７……孔部、２
８……ノツク式筆記具、２９……軸、３０……軸
先端孔、３１……クリツプ、３２……クリツプ玉
部、３３……支持部、３４……係止部、３５……
窓孔、３６……取付台、３７……溝孔、３８……
ノツク棒、３９……切込み、４０……弾性片部、
４１……係合部、４２……弾性側面部、４３……
スプリング。 Figures 1 to 3 show embodiments of the present invention. Figure 1 is a vertical cross-sectional view of a water-based ballpoint pen refill, and Figure 2 is a perspective vertical cross-section of the essential parts of a notch-type writing instrument equipped with the above-mentioned refill. The figure shows. Third
The figure is a front view of the knob-type writing implement shown in FIG. 2, and FIG. 4 is a top view. 1...Refill, 2...Metal tube, 3...
...Mouth plastic, 4... Small diameter part, 5... Ventilation groove, 6...
Core holding part, 7... Guide cylinder part, 8... Flange part,
9... Fitting portion, 10... Ball, 11... Chip, 12... Rear end small diameter portion, 13... Guide core, 14...
... Ink storage body, 15 ... Tail plug, 16 ... Locking projection, 17 ... Notch groove, 18 ... Horizontal hole, 19 ... Circumferential groove A, 20 ... Vertical groove A, 21 ... Circumferential groove B , 22...
... Vertical groove B, 23 ... Air hole, 24 ... Press-fit diameter part,
25... Inner hole, 26... Partition wall, 27... Hole, 2
8... Knot type writing instrument, 29... Shaft, 30... Shaft tip hole, 31... Clip, 32... Clip ball part, 33... Support part, 34... Locking part, 35...
Window hole, 36...Mounting stand, 37...Slot hole, 38...
Knot rod, 39...notch, 40...elastic piece,
41...Engaging part, 42...Elastic side part, 43...
spring.

Claims

[Scope of utility model registration request]

A knock rod is provided at the rear end of the shaft, the re-feel 1 fitted into the shaft so as to be movable back and forth is biased against the knock rod, and a locking portion is provided at the tip of a clip attached to the rear outer periphery of the shaft. In a knock-type writing instrument, in which a locking protrusion 16 provided integrally with the refeel 1 is locked in the locking portion when the writing tip protrudes from the tip of the shaft by pressing the refill 1 forward. A mouth plug 3 having a small diameter portion 4 at the front end is fitted into the front end hole of the metal tube 2, and the ink storage body 14 is inserted through the rear end hole of the metal tube 2, and the ball 10 is held at the tip and the rear end is inserted. It has a chip 11 whose small diameter part 12 is fitted into the small diameter part 4 of the mouth plug 3, and a guide core 13 whose front end is inserted into the chip 11 and whose rear end is inserted into the front end of the ink storage body 14. A tail plug 15 is fitted into the rear end hole of the metal tube 2, and an air circulation groove composed of a circumferential groove, a vertical groove, etc. is provided in the fitting portion of the tail plug 15, and an air hole 23 communicating with the outside air is provided. A refill for a knob-type writing instrument such as a water-based ballpoint pen, characterized in that the locking protrusion 16 is integrally provided at a portion of the tail plug 15 that protrudes from the rear end of the metal tube 2.