发明名称 Window cleaning device
摘要 The present invention briefly refers to a window squeegee for use in washing windows and similar plane surfaces. It comprises a handle (1) having an attachment portion (3) for a scraper blade (4), the scraper blade being detachable secured to the attachment portion (3). The scraper blade (4) is constituted by a rubber blade (6) which is clamped between the legs of a metal strip (5) having substantially U-shaped cross-section. The attachment portion (3) is suitably comprising two protruding shoulders (9) adapted to contact one of the legs of the scraper blade strip (5) and at least one tongue (10) adapted to contact the other leg of the scraper blade strip (5). The tongue or tongues are provided with a ridge (11) protruding towards the scraper blade (4) and receiving in a notch (8) in the other leg of the scraper blade strip (5).
申请公布号 US4430769(A) 申请公布日期 1984.02.14
申请号 US19810321711 申请日期 1981.11.16
申请人 ROLF ALTGENUG CORPORATION 发明人 BERGSTROEM, ARNE
分类号 A47L1/15;A47L1/06;A47L13/11;(IPC1-7):A47L1/06 主分类号 A47L1/15
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