发明名称 Music stand extender
摘要 A device to extend the support area of a music stand, where the music stand comprises a lower horizontally extending support member having a support flange to engage the lower edge of music sheets, an upstanding central main support bar, and a plurality of collapsible support struts. The present invention comprises a separate upper support section adapted to be mounted to the central support bar and having two laterally extending upper arms. There are a pair of extension wings slide mounted to the stand, with each wing having a lower flange and retaining portion engaging the lower support member of the stand, and an upper retaining portion engaging a related one of the support arms. The two extension wings can be moved toward one another to a middle position, and can be moved slideably to an extended position to provide increased support area. In a second embodiment, the stand is adapted to be mounted from a table top.
申请公布号 US4372518(A) 申请公布日期 1983.02.08
申请号 US19790101878 申请日期 1979.12.10
申请人 ALLSOP, INC. 发明人 BIASINI, AMERICOLE R.
分类号 A47B19/00;(IPC1-7):A47B19/00 主分类号 A47B19/00
代理机构 代理人
主权项
地址