首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
一种英语教学用画线装置
摘要
本实用新型公开了一种英语教学用画线装置,包括一个倒U型的支架,支架的下端两侧分别安装有滚轮,支架内设有一块支撑板,所述支撑板的下方间隔一定距离均匀设有四个粉笔套,支撑板的两端分别通过支撑杆与支架连接,支撑板可沿支撑杆上下滑动,使用时,将粉笔插入粉笔套内,手扶手把将滚轮紧贴在黑板上,然后推动手把,就可以画出等距离的四条平行线,画线过程简单、省时省力、画线效率高,非常适合英语老师的授课。
申请公布号
CN202507794U
申请公布日期
2012.10.31
申请号
CN201220154188.1
申请日期
2012.04.03
申请人
李素芳
发明人
李素芳
分类号
B43L13/02(2006.01)I
主分类号
B43L13/02(2006.01)I
代理机构
代理人
主权项
一种英语教学用画线装置,包括一个倒U型的支架,其特征在于:支架的下端两侧分别安装有滚轮,支架内设有一块支撑板,所述支撑板的下方间隔一定距离均匀设有四个粉笔套,支撑板的两端分别通过支撑杆与支架连接,支撑板可沿支撑杆上下滑动。
地址
262500 山东省青州市益都街道东高初中
您可能感兴趣的专利
Medicines containing as active ingredients compounds of the benzene-sulfone type; compounds of this type and process for their preparation.
Method and apparatus for controlling the current supplied to a load.
Process of well control by means of gel formation.
Alpha-difluoromethyl amino acids and pharmaceutical composition containing the same.
Insecticide agents comprising carbamate as active ingredient and triazole derivatives as synergists.
Thienyl-dithiophosphoric acid esters, process for their preparation, their use as pesticides, process for their preparation and method for combating pests.
N-Arylpropyl-substituted cyclic amines, fungicides containing these compounds, and process for the preparation thereof.
Substituted 2-phenylamino-imidazolines-(2), their acid addition salts, medicaments containing them and processes for their preparation.
Process for the preparation of hydroxyalkyl-perfluoralkane-sulfonamides.
REMEDY FOR DEMENTIA AND DOTAGE
LIQUID CRYSTAL DISPLAY AND MONITORING SAME
REGELATION RECOVERY CLOSED TANK
SAFETY DEVICE FOR FUEL BATH BURNING
FABRIC PRODUCING METHOD
TRANSFORMER PROTECTIVE RELAY SYSTEM
Door lock with key-operated locking cylinder.
METHOD AND APPARATUS FOR FOLDING A CARTON BLANK
COOLING TUBULAR EXTRUDATES
FORDELER FOR EN MATERIALBLANDING.
PROCESS AND APPARATUS FOR ELECTRIC SPARK EROSION MACHINING