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发明名称
圆弧式描图纸刮图刀
摘要
一种圆弧式描图纸刮图刀,其由圆弧形刀片,一个和刀片组装在一起的半圆形保护盒,一个可装拆的半圆形保护盒组成。由于圆弧形刀片刮图时无尖角刀刃和描图纸接触,不易刮破图纸。由于刮图时手捏住半圆形保护盒,使用者安全。由于圆弧刀片可在组装一起的半圆形保护盒内绕中心轴转动,可以使整个圆弧形刀刃都充分被利用,使用期长。
申请公布号
CN85205365U
申请公布日期
1986.12.10
申请号
CN85205365
申请日期
1985.12.09
申请人
刘光容
发明人
刘光容
分类号
B43L19/02
主分类号
B43L19/02
代理机构
代理人
主权项
1、圆弧式描图纸刮图刀,其构造是:圆弧形刀片(3)组装在半圆保护盒(1)内,并有另外一个可装拆的半圆保护盒(4)将刀片全部封闭起来。其特征在于刮图时圆弧刀片(3)和描图纸接触部分刃口是圆弧形的。
地址
江苏省无锡市长庆路45号
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