发明名称 Sanitary door handle having a material advancing mechanism
摘要 This invention provides a mechanism whereby a person may open a door without touching a surface which was previously touched by others opening the same door. Mechanism are provided for advancing material beneath a sturdy door handle in such a manner that when opening the door, a persons fingers will touch only the clean, advanced material and not the handle itself.
申请公布号 US4658469(A) 申请公布日期 1987.04.21
申请号 US19860866756 申请日期 1986.05.27
申请人 HAWKINS, JUNIOR F. 发明人 HAWKINS, JUNIOR F.
分类号 E05B1/00;(IPC1-7):B25G1/00 主分类号 E05B1/00
代理机构 代理人
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