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发明名称
快速划线器
摘要
一种快速划线器,主要由带活动夹板4的基座2,带螺旋套7的长度调节装置3等构成,基座2内和活动夹板4上开有均匀分布的粉笔槽6,使用时,将粉笔置于基座内的粉笔槽内,粉笔的尾部嵌入长度调节装置内,合上活动板,用手握住基座即可在黑板上进行划线。本实用新型设计合理,可一次划出3~5根均匀的平行线,能方便、快速地在黑板上划出教学所需的五线谱,四线格等。
申请公布号
CN2477401Y
申请公布日期
2002.02.20
申请号
CN01202869.X
申请日期
2001.01.15
申请人
寿丁冬
发明人
寿丁冬
分类号
B43L13/02;G09B11/10
主分类号
B43L13/02
代理机构
代理人
主权项
1.一种快速划线器,由带活动夹板(4)的基座(2),置于基座(2)内的长度调节装置(3)构成,基座(2)内的长度调节装置(3)前端设有粉笔槽(6)。
地址
312008浙江省绍兴市城南外山绍兴电力设备成套公司寿泽民转
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