发明名称 Hand tool for removing a fly-screen from a window frame
摘要 The present disclosure relates to a hand tool for removing a fly-screen from a window frame. The hand tool has a longitudinal axis and comprises a handle portion and a blade portion extending from one end of the handle portion. The blade portion defines at an end distal to the one end of the handle portion, a hook portion for insertion between the fly-screen and the window frame to enable the fly-screen to be removed from the window frame in use.
申请公布号 US9227310(B2) 申请公布日期 2016.01.05
申请号 US201213370353 申请日期 2012.02.10
申请人 发明人 Wieland Herman
分类号 B25B27/14;B25B27/00 主分类号 B25B27/14
代理机构 代理人 Adler Benjamin A.
主权项 1. A hand tool for removing a fly-screen from a window frame, comprising: a handle portion aligned with a longitudinal axis A-A′ through the tool; and a blade portion extending from one end of the handle portion, and having a hook portion at an end distal to the one end of the handle portion, said hook portion having an outer face and a concave inner tapered face ending in a wedge-shaped insertion edge at least level with the longitudinal axis A-A′ and forming an angle ∠A of at least 90 degrees between an axis B-B′ defined by a plane of the outer face at the insertion edge and the longitudinal axis A-A′, said wedge-shaped insertion edge insertable and rotatable between the window frame and the fly-screen.
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