JPH031799U

JPH031799U -

Info

Publication number: JPH031799U
Application number: JP6444389U
Authority: JP
Priority date: 1989-05-31
Filing date: 1989-05-31
Publication date: 1991-01-09

Description

[Brief explanation of drawings]

第１図は本考案の一実施例である穿孔機構の要
部断面図、第２図は本考案の穿孔機構を有する複
写機の概略断面図、第３図はパンチング屑除去手
段の分解斜視図、第４図ａ乃至第４図ｃは穿孔機
構の動作を説明する要部断面図、第５図はブロツ
ク図、第６図は従来技術を説明する断面図である
。４２……穿孔機構、４３……パンチ刃、７２…
…ダイス孔、７３，７４……パンチング屑除去部
材、７５，７６……先端部、４３１……頂部、４
３２……谷部。 FIG. 1 is a cross-sectional view of essential parts of a punching mechanism according to an embodiment of the present invention, FIG. 2 is a schematic cross-sectional view of a copying machine having a punching mechanism according to the present invention, and FIG. 3 is an exploded perspective view of punching debris removal means. , FIGS. 4a to 4c are sectional views of essential parts for explaining the operation of the drilling mechanism, FIG. 5 is a block diagram, and FIG. 6 is a sectional view for explaining the prior art. 42... Punching mechanism, 43... Punch blade, 72...
...Dice hole, 73, 74...Punching waste removal member, 75, 76...Tip part, 431...Top part, 4
32...Tanibe.

Claims

[Claims for Utility Model Registration] The tip surface of the shaft body is formed in an annular shape, and the tip surface has a peak and a trough, and has a cutting edge cut so that the peripheral edge is sharp. a punch blade; a base having a die hole into which the punch can be freely inserted; a punching waste removing member, which is located near the axis of the punching material, and is arranged so as to be inclined so as to be located further away from the punch blade body as it moves away from the tip, and at least the tip is made of a flexible member. A punching mechanism, characterized in that the tip of the punching debris removing member is located in a trough of the tip of the punch blade.