JPS5844199U

JPS5844199U - Rotary cutter for perforation

Info

Publication number: JPS5844199U
Application number: JP14032181U
Authority: JP
Inventors: 大宮　芳; 富田　「あ」; 寛峰望月; 一彦幸
Original assignee: 東洋刃物株式会社; 神崎製紙株式会社
Priority date: 1981-09-21
Filing date: 1981-09-21
Publication date: 1983-03-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、従来のロータリー・カッターの構成を示す斜
視図、第２図は、第１図の断面図、第３図は、回転刃の
刃先の一部を欠除し、断続切断を行なうことを説明する
斜視図、第４図は、回転刃刃先の欠除部分に紙の切残し
部分が喰込み狭まれることを説明する刃先部分の断面図
、第５図は、回転刃刃先のすくい角と逃げ角を変えるこ
とにより、断続切断が出来る構成を説明する刃先部分の
断面図、第６図は、固定刃刃先のす（い角と逃げ角を変
えることにより、断続切断が出来る構成を説明する刃先
部分の断面図。１：固定刃、２：回転刃、３：ばね、４：支承軸、５：
ばね支持ピン、６：輪体、７：紙、α：すくい角、β：
逃げ角。Fig. 1 is a perspective view showing the configuration of a conventional rotary cutter, Fig. 2 is a sectional view of Fig. 1, and Fig. 3 is a rotary cutter with a part of the cutting edge removed to perform interrupted cutting. Fig. 4 is a perspective view of the cutting edge of the rotary blade, and Fig. 4 is a cross-sectional view of the cutting edge of the rotary blade, explaining that the uncut portion of the paper is bitten into the cutout part of the cutting edge of the rotary blade. Figure 6 is a cross-sectional view of the cutting edge portion explaining a configuration that allows for interrupted cutting by changing the rake angle and relief angle. A cross-sectional view of the cutting edge portion explaining the following. 1: Fixed blade, 2: Rotating blade, 3: Spring, 4: Support shaft, 5:
Spring support pin, 6: wheel, 7: paper, α: rake angle, β:
relief angle.

Claims

[Scope of utility model registration request]

A rotary cutter consisting of a fixed blade and a rotating blade, which cuts intermittently by cutting off the cutting edge of the fixed blade or rotating blade intermittently and making the rake angle obtuse.