JPS6446284U

JPS6446284U -

Info

Publication number: JPS6446284U
Application number: JP14285887U
Authority: JP
Priority date: 1987-09-17
Filing date: 1987-09-17
Publication date: 1989-03-22
Anticipated expiration: 2002-09-17
Also published as: JPH0621756Y2

Description

[Brief explanation of the drawing]

第１図は本考案キヤツプレス筆記具の一実施例
をペン先収納状態で示した断面図、第２図は本考
案における一端開閉可能な内筒のペン先突出・戻
り途中状態の前方より見た平面図、第３図は第２
図のａ―ｂ―ｃ線断面図、第４図は本考案
キヤツプレス筆記具の一実施例をペン先突出状態
で示した断面図である。１……外筒、２……筆記軸体、２ａ……ペン先
、３……隙間、４……一端開閉可能な内筒、４ａ
……リング部、５……ノツク部、６……戻りばね
、７……開閉可能端、８……ツバ部、９……先細
り部、１０……接合面、１１……薄膜または孔、
１２……先具。 Fig. 1 is a cross-sectional view of an embodiment of the cap press writing instrument of the present invention, showing the pen tip in the retracted state, and Fig. 2 is a plan view from the front of the pen tip of the inner cylinder, which can be opened and closed at one end, when the pen tip is protruding and returning halfway. Figure 3 is the second
FIG. 4 is a sectional view taken along the line ab-c in the figure, and FIG. 4 is a sectional view showing an embodiment of the capsule-press writing instrument of the present invention in a pen tip protruding state. 1...Outer tube, 2...Writing shaft body, 2a...Nib, 3...Gap, 4...Inner tube that can be opened and closed at one end, 4a
...Ring part, 5...Knot part, 6...Return spring, 7...Openable/closable end, 8...Brim part, 9...Tapered part, 10...Joint surface, 11...Thin film or hole,
12... tip.

Claims

[Claims for Utility Model Registration] (1) A writing shaft 2 is inserted into an outer cylinder 1, and an inner cylinder 4 that can be opened and closed at one end covers the tip of the writing shaft 2 with a gap 3. By pushing the notch portion 5 of the writing shaft 2 against the return spring 6 or returning it by the force of the spring, the inner cylinder 4, which can be opened and closed at one end, is opened and closed, and the pen tip 2a of the writing shaft 2 is inserted into the inner cylinder. In a cartridge press writing instrument that can be put in and taken out from a tube 4, the inner tube 4 that can be opened and closed at one end is made of an elastic body, and the openable and closable end 7 of the inner tube 4 is fixed to the inner surface of the outer tube 1, and the inner tube that can be opened and closed at one end is fixed to the inner surface of the outer tube 1. A ring part 4a is provided on the rear inner circumference of the cylinder 4, and the writing shaft 2 is attached to this ring part 4a.
A collar that comes into contact with the pen nib 2a when it is being retracted and in the middle of protruding and retracting, and press-contacts and deforms the tip of the inner cylinder 4 that can be opened and closed at one end when the pen nib 2a is being extended and retracted, thereby opening and closing the openable and closable end 7. A cat press writing instrument in which a portion 8 is provided on a writing shaft body 2. (2) The cat press according to claim 1, wherein the inner cylinder 4, which can be opened and closed at one end, is made of an elastic body and has a tapered part 9, and the front end of the tapered part 9 is provided with an openable and closable end 7. Writing implements. (3) The openable and closable end 7 has a joint surface 10 in the center through which the pen tip 2a of the writing shaft 2 passes, and a thin film or hole 11 is provided at both ends of the joint surface 10 to facilitate closing of the joint surface 10.Registered as a utility model. A capsule writing instrument according to any one of claims 1 and 2. (4) The utility model according to any one of claims 1 to 3, in which the openable and closable end 7 is clamped and fixed between the outer cylinder 1 and the tip 12 screwed onto the outer cylinder 1. Cat press writing instrument.