发明名称 Structure of an inclined book holder
摘要 An inclined book holder comprises a crenelated metal strip having an inclined support bar and a roughly S shaped clamping portion adjoined therewith, a pair of lateral members selectively positionable along the support bar, and a cross member also adjustably positionable therealong. The S shaped clamping portion defines a pair of opposed clamps carrying a pair of thumbscrews engaged through respective upper and lower plates thereof. A plurality of holes are formed along the support member for the positioning of the lateral members and cross member. The pivot ends of each lateral member is releasably securable to a selected hole on the support member using a nut and bolt. The cross member can likewise be positioned on the support member with an adjustable orientation therewith.
申请公布号 US5372348(A) 申请公布日期 1994.12.13
申请号 US19920889075 申请日期 1992.05.19
申请人 CHENG, CHUNG-PU 发明人 CHENG, CHUNG-PU
分类号 A47B23/04;(IPC1-7):A47B97/04 主分类号 A47B23/04
代理机构 代理人
主权项
地址