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
防近视文件夹式书写板
摘要
本发明旨在提供一种能自觉保持书写姿势、结构简单的防近视文件夹式书写板,它包括文件夹式封皮,所述封皮中缝中下部固定设置有一凹形底座,所述凹形底座凹形槽内装有一球形活动关节,在球形活动关节上连有一可伸缩拉杆,拉杆顶端设有一顶托。所述可伸缩拉杆和顶托为塑胶柔性材料,拉杆收缩时最好为10cm,全部拉出最好为20cm,所述顶托为叶芽形。本发明适合中小学生使用。
申请公布号
CN1530051A
申请公布日期
2004.09.22
申请号
CN03112988.9
申请日期
2003.03.17
申请人
郭如成
发明人
郭如成
分类号
A47B39/10
主分类号
A47B39/10
代理机构
代理人
主权项
1、一种防近视文件夹式书写板,包括文件夹式封皮(1),其特征在于:所述封皮(1)中缝(2)中下部固定设置有一凹形底座(4),凹形槽内,装有一球形活动关节(7),所述球形活动关节(7)上连有一可伸缩拉杆(3),所述拉杆(3)顶端装有一顶托(5)。
地址
212200江苏省扬中市八桥镇红光村8组
您可能感兴趣的专利
Scanner and method for operating a scanner
Speech recognition in noisy environments
Optical recording medium
Vehicle headlamp
Selection of coding parameters based on spectral content of a speech signal
Programmed loading of dispenser with supply of dispensable objects
Control function employing a requesting master id and a data address to qualify data access within an integrated system
Methods for sterilizing cross-linked gelatin compositions
Admixture for minimizing the presence of surface dust on cement and concrete structures
Snow and ice-melting granules and method for preparing same
Optical fiber retaining clip
Belt tensioner
Double-sided adhesive tape dispenser
Method and device for inspecting pipelines
Electrical coupling of substrates by conductive buttons
Adaptive flow control method and apparatus
Catalyst for selectively oxidizing carbon monoxide
Gaming device with sound recording changes associated with player inputs
Method and system for choosing a queue protection key that is tamper-proof from an application
Data transfer apparatus, memory device testing apparatus, data transfer method, and memory device testing method