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
无尘方便黑板擦
摘要
一种无尘方便黑板擦,黑板擦的长跟黑板的宽相等,安装在黑板的一边,这样工作时就可以一次性擦去黑板上的所有粉迹。为了防尘,在黑板擦的背面装上了防尘盖,这是通过钢索、定滑轮、手摇轴等来配合黑板擦工作,细钢索系住黑板擦两头的过棒系索块和过棒系索粉盒块的系索处后经滑轮进入索栓盒,在压棒的作用下工作时只需手摇索栓盒上的手摇轴即可擦去黑板上的粉迹。为了彻底防尘,在黑板擦的下端装上了一个可移性的接粉盒。
申请公布号
CN2224100Y
申请公布日期
1996.04.10
申请号
CN93247461.6
申请日期
1993.12.12
申请人
骆有松
发明人
骆有松
分类号
B43L21/00
主分类号
B43L21/00
代理机构
代理人
主权项
1、一种用铁皮和铁丝将一种能擦去粉迹的毛料固制在下面而成的黑板擦,其特征是:黑板擦的长与黑板的宽相等,背部装有防尘盖,两侧各装了一根空心圆滚棒,两端的过棒系索块同它相连,过棒系索块的压棒处与压棒滑动接触,过棒系索块上的系索处系有细钢索,细钢索通过五个定滑轮后分两头进入索栓盒,索栓盒上装有手摇轴。
地址
322013浙江省义乌市下骆宅乡白岸头村
您可能感兴趣的专利
Camera system and controller
SYSTEM AND METHOD FOR AUTOMATIC PLUG DETECTION
HIGH CAPACITY ELECTRODE AND METHODS FOR ITS FABRICATION AND USE
COMPOSITIONS AND METHODS FOR MODULATING LYSINE PRODUCTION
NOVEL CATALYTIC MATERIALS AND THEIR USE IN THE PREPARATION OF POLYMERIC MATERIALS
LITHIUM ION RECHARGEABLE BATTERY
Digital data storage/reproduction method and device
Semiconductor solid state disk controller
Apparatus, system, and method for data migration
Synthesis and anti-tumor activity of nitrogen substituted thalidomide analogs
Manufacturing method of semiconductor device
System and method to access storage inside an inactive computing device
Particulate compositions for pulmonary delivery
Reverse coupling effect with timing information for non-volatile memory
Illuminated vehicle identification sign
Spline interconnect
Battery protection method and battery protection circuit
Sending service data to an RFID tag while an attached computer system is powered off
Improving message reply function in electronic devices
Inventory management system and method for a cellular communications system