专利名称：Bookholder发明人：Philip D. Greene申请号：US07/609585申请日：19901106公开号：US05112021A公开日：19920512
摘要：A bookholder device includes a main arm portion for hinged attachment to awall (or alternatively, for free standing support on the floor). A clutch assembly portion isattached to the main arm, and releasably engages a rod member. A tray bracket ispivotally connected to the rod member, and further pivotally supports a book trayportion. This book tray supports the book in question by a combination of contact by atray base, tray perimeter flanges, and a height-adjustable tray crossmember.
申请人：GREENE; PHILIP D.
代理人：Larry D. Johnson
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容
Copyright © 2019- sceh.cn 版权所有 湘ICP备2023017654号-4
违法及侵权请联系：TEL:199 1889 7713 E-MAIL:2724546146@qq.com
本站由北京市万商天勤律师事务所王兴未律师提供法律服务