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
薄型电动吸尘黑板擦
摘要
本实用新型公开了一种教师上课擦黑板时,能吸粉笔灰的黑板擦。它是由薄型直流微电机,螺旋角风叶和带槽式毛毡板和塑料壳体组成。当教师擦黑板时推上开关电机驱动,风叶高速旋转就能把飞扬的粉尘吸入盒内。清扫粉尘时,只要揿压跳钮,灰盒盖就能自动打开,进行清扫。整个薄型电动吸尘黑板擦厚度为45毫米。本板擦用二节二号电池驱动,约可使用三个月。
申请公布号
CN85201107U
申请公布日期
1986.02.05
申请号
CN85201107
申请日期
1985.05.04
申请人
毕寿平
发明人
毕寿平
分类号
B43L21/02
主分类号
B43L21/02
代理机构
代理人
主权项
1、本发明为薄型电动吸尘黑板擦,其特征是薄型微电机[9]的轴上安装螺旋角风叶[10],整个运动部分安装在塑料壳体[7]内。使用后积聚的粉尘,灰盒盖板能自动打开,进行清扫。
地址
江苏省常州市文化宫劳动巷18号
您可能感兴趣的专利
Charging device for rechargeable battery.
DECORATIVE OBJECT WITH STRUCTURED SURFACE.
Installation for supplying media to a blowing lance.
Base paper for photographic supports.
Transluminal implantation or extraction device.
Lung ventilator with a flow rate dependent trigger threshold.
Method of identifying thickness of a gasket and a gasket with a plate information device.
CARBON DIOXIDE CLEANING OF GRAPHIC ARTS EQUIPMENT.
Subscriber equipment provided with a read/write memory with at least two variable size memory fields.
A spark plug for use in internal combustion engine.
RECIPROCATING PISTON ENGINE WITH PUMPING AND POWER CYLINDERS.
Apparatus for winding a wrapping sheet around a roll.
Connecting device between a pipe of plastic material and another pipe.
Diaphragm-type sensor.
Golf swing analysis
Fremgangsmåte for fremstilling av prorennin og human-anafylatoksin C5a i Y. lipolytica, samt plasmider til fremstillingen
Improvements in or relating to drawbars for cycle trailers
METHOD FOR MANUFACTURING OF A MULTILAYER MICROWAVE BOARD AND BOARDS OBTAINED ON THE BASIS OF THIS METHOD
Rotary Drill
Arrangement for automatic gear-changing in an epicyclic change-speed gearbox