JPH03112384U

JPH03112384U -

Info

Publication number: JPH03112384U
Application number: JP1949890U
Authority: JP
Priority date: 1990-03-01
Filing date: 1990-03-01
Publication date: 1991-11-18

Description

[Brief explanation of the drawing]

第１図は本考案の実施例である水性ボールペン
等ノツク式筆記具の縦断面図であり、筆記先端部
を軸内に収納した状態を示している。第２図は同
筆記具に於いて、筆記先端部を軸先の先端孔より
突出させた状態を示す縦断面図、又、第３図は本
考案のノツク式筆記具に搭載されるリフイールの
縦断面図を示している。１……ノツク式筆記具、２……軸、３……ノツ
ク棒、４……クリツプ、５，６……係止突起、７
……勾配、８……弾性片、９……溝、１０……先
端孔、１１……リターンスプリング、１２……先
端部、１３……リブ、１４……窓部、１５，１６
……段部、１７……切窓、１８……窓部、１９…
…軸部、２０……リフイール、２１……リフイー
ル本体、２２……リフイール前筒、２３……尾栓
、２４……孔部、２５……ツバ部、２６……周リ
ブ、２７……切欠部、２８……横孔、２９……空
気流通路、３０……小径部、３１……アンダーカ
ツト部、３２……リブ、３３……案内筒部、３４
……先端部、３５……通気孔、３６……筆記先端
部、３７……チツプ、３８……ボール、３９……
後端部、４０……シールキヤツプ、４１……イン
ク誘導芯、４２……インク吸蔵体、４３……段部
。 FIG. 1 is a longitudinal cross-sectional view of a knob-type writing instrument such as a water-based ballpoint pen according to an embodiment of the present invention, showing a state in which the writing tip is housed within the shaft. Fig. 2 is a longitudinal cross-sectional view of the same writing instrument, showing the state in which the writing tip protrudes from the tip hole of the tip of the shaft, and Fig. 3 is a longitudinal cross-section of the re-feel mounted on the knock-type writing instrument of the present invention. The figure shows. 1... Knot type writing instrument, 2... Shaft, 3... Knot stick, 4... Clip, 5, 6... Locking protrusion, 7
... Gradient, 8 ... Elastic piece, 9 ... Groove, 10 ... Tip hole, 11 ... Return spring, 12 ... Tip, 13 ... Rib, 14 ... Window, 15, 16
...Step part, 17...Cut window, 18...Window part, 19...
...Shaft portion, 20...Refeel, 21...Refeel main body, 22...Refeel front cylinder, 23...Tail plug, 24...Hole, 25...Brim portion, 26...Peripheral rib, 27...Notch Part, 28... Horizontal hole, 29... Air flow passage, 30... Small diameter part, 31... Undercut part, 32... Rib, 33... Guide cylinder part, 34
...Tip, 35...Vent hole, 36...Writing tip, 37...Tip, 38...Ball, 39...
Rear end portion, 40... Seal cap, 41... Ink guiding core, 42... Ink storage body, 43... Step portion.

Claims

[Scope of utility model registration request]

The re-feel body 21 and the re-feel front tube 22 which is tightly fitted into the front part thereof are made of a resin molded product having excellent properties of suppressing ink evaporation, and the ball 38 is held in the tip hole of the small diameter part 30 at the tip of the re-feel body 21. At the same time, the ink absorber 42 filled with ink is inserted from the rear end of the refill main body 21, the rear end is tightly fitted with the tail plug 23, and the ink absorber 42 is inserted from approximately directly below the ball 38. An ink guide core 41 is connected to the ink guide core 41, and a horizontal hole 28 is provided approximately forward of the rear end between the refill body 21 and the refill front cylinder 22 which are tightly fitted to each other, and communicates with the ink storage section. An air flow passage 29 is appropriately formed between the outer periphery of the re-feel main body 21 and the inner periphery of the re-feel front cylinder 22, and a ventilation hole 35 is formed in the end surface of the tip 34 of the re-feel front cylinder 22, so that the tip A re-feel 20 with a seal cap 40 that tightly fits the tip 37 and the ventilation hole 35 removably attached to the return spring 1 34 is attached to the return spring 1.
A shaft 2 is mounted so as to be movable back and forth through a shaft 1, and a window 14 is mounted on the rear side, and a window 18 and a rib 1 are mounted on the rear side.
3 and a locking protrusion 5 at the front lower part of the clip 4.
and a locking protrusion 6 having a slope 7 at the rear lower part, and an upper elastic piece 8 having a substantially U-shaped shape rearward from the tip 12.
A knob bar 3 is formed of an integral elastic resin molded product and connected to the lower part and has a groove 9 at the rear end, and is inserted from the rear end hole of the shaft 2 and the locking protrusion 6 is attached to the rib 13.
The tip part 12 is locked to the step part 16 of the re-feel 2.
The clip 4 is brought into contact with the rear end of the tail plug 23 of the
The locking protrusion 5 is disposed in line with the window 14 of the shaft 2, and the locking rod 3 is made axially movable relative to the shaft 2, and the locking protrusion 5 is disengaged from the window 14 for re-feeling. A knuckle-type writing instrument such as a water-based ballpoint pen, characterized in that a writing tip 36 of 20 is freely retractable from a tip hole 10.