发明名称 Manual window shade roller cut off knife
摘要 An apparatus and method for cutting rolled window shades, and the rollers on which they are mounted, includes a cutting member with a cutting edge and a support member with a supporting bed rotationally coupled to each other by a pin and elastically biased toward each other. Each member has a handle with a finger indentation to provide for turning of the cutting device circumferentially around a shade and roller positioned perpendicularly between the members, at a location where a cut is desired.
申请公布号 US4092775(A) 申请公布日期 1978.06.06
申请号 US19760662341 申请日期 1976.03.01
申请人 BRENEMAN, INC. 发明人 ERPENBECK, PAUL J.
分类号 B26B27/00;(IPC1-7):B23D21/06;B26D3/16 主分类号 B26B27/00
代理机构 代理人
主权项
地址