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经营范围
发明名称
粉笔套
摘要
一种粉笔套,包含一外管、一设置于该外管壁中的爪管、一设置于该爪管中的进给单元,及一恒连动该外管缩束住该爪管的弹性元件。一般使用时是将一粉笔设置于该爪管中,并且被该爪管缩束而夹固,当使用者要调整该粉笔长度时,只要施力拨动该爪管与该外管相对移动,就可以使得该爪管从该外管向外伸出,同时让粉笔获得自由,这时,该进给单元能提一力量使该粉笔自动滑出,直到达使用者所需的适当长度,使用者再放掉施力,让该粉笔被该爪管夹固,而达到不需用手指将粉笔拉出,也能轻松调整粉笔长度的使用效果。
申请公布号
TW200808574
申请公布日期
2008.02.16
申请号
TW095128114
申请日期
2006.08.01
申请人
李宗亮
发明人
李宗亮
分类号
B43K23/016(2006.01)
主分类号
B43K23/016(2006.01)
代理机构
代理人
恽轶群;陈文郎
主权项
地址
南投县草屯镇炎峰街馆前巷1号
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