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
本实用新型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。本实用新型适合中小学生使用。
申请公布号
CN2633576Y
申请公布日期
2004.08.18
申请号
CN03220434.5
申请日期
2003.03.17
申请人
郭如成
发明人
郭如成
分类号
B42F7/00;A47B39/10
主分类号
B42F7/00
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
SIGNAL TRANSMISSION AND RECEPTION DEVICE AND SIGNAL TRANSMISSION AND RECEPTION METHOD
POSITIVE-ELECTRODE ACTIVE SUBSTANCE, POSITIVE-ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND NONAQUEOUS-ELECTROLYTE SECONDARY CELL
COMMUNICATION SYSTEM, SWITCH, CONTROL APPARATUS, CONTROL CHANNEL CONFIGURATION METHOD AND PROGRAM
METHOD OF EFFICIENTLY MANAGING POWER
FLUOROPOLYMER COMPOSITIONS
METHOD FOR IDENTIFICATION OF SENSITIVITY OF A PATIENT TO TELOMERASE INHIBITION THERAPY
Aqueous cosmetic composition comprising a copolymer of vinylformamide / vinylformamine, a non silicon fatty derivative and a surfactant
RADIO COMMUNICATION SYSTEM, RATIO STATION, RADIO TERMINAL, COMMUNICATION CONTROL METHOD, AND NON-TEMPORARY COMPUTER-READABLE MEDIUM
METHODS OF TREATING OTOTOXICITY
SEMICONDUCTOR DEVICE WITH A VERTICAL CHANNEL
Hybrid solar panel
TIRE MEMBER, HYDROGENATED CONJUGATED DIENE POLYMER AND POLYMER COMPOSITION
SELF-COOLED ORIFICE STRUCTURE
SEAT POWER SYSTEMS AND METHODS
DEFINING PATIENT EPISODES BASED ON HEALTHCARE EVENTS
FLUID DELIVERY DEVICE
CURRENT DENSITY DISTRIBUTOR FOR USE IN AN ELECTRODE
NONAQUEOUS ELECTROLYTIC STORAGE ELEMENT
BLOW-MOLDING DEVICE AND PRODUCTION METHOD FOR CONTAINER
METHOD FOR PREPARING BROMOUREA