发明名称 GROUND WATER DRAIN
摘要 The floor water-drain is composed of a frame (38) and a grating (39) inserted therein. The grating (39) has a central bar (1) and transverse bars (2) arranged thereon. Retaining parts (15, 16, 17), into which projecting parts (3, 4, 5) of transverse bars (2) reach when the grating (39) is inserted, are arranged above a support (14) for the grating in the frame (38). To insert the grating, the projecting part (3) of one side of the grating is inserted into the relevant retaining part (15) and the opposite side of the grating (39) is then pressed down, the projecting parts (4, 5) at sloping surfaces (9) snapping into the retaining parts (16, 17) with simultaneous elastic deflection of the central bar (1). The grating (39) is thereby positively retained in the frame (38) and, even when using an elastic grating material, cannot be moved by the traffic running over it so far that it could spring out of the frame (38). …<IMAGE>…
申请公布号 AU3257089(A) 申请公布日期 1989.10.19
申请号 AU19890032570 申请日期 1989.04.07
申请人 VON ROLL A.G. 发明人 HANSRUEDI SPIESS;FRANCOIS GALVANETTO
分类号 E02D29/14;E03F5/06 主分类号 E02D29/14
代理机构 代理人
主权项
地址