发明名称 DEVICE FOR CLOSING AN OPENING, PARTICULARLY A STREET MANHOLE
摘要 The invention relates to a device for closing an opening, particularly a man hole. The inventive device comprises a frame (4) and a cover (6) which is articulated to the frame (4) around a first axis (X-X) by means of a hinge (14). The device also comprises a locking means (16) having a locked configuration, whereby the cover is held open in a first position, and an unlocked configuration, whereby said cover (6) is disposed in a second position in which it can be pivoted around the axis (X-X). The aforementione d hinge (14) is designed such that, while resting on the frame, the cover (6) can pivot around a second horizontal axis (Y-Y). Moreover, the cover is pivoted around said second axis (Y-Y) in order to move same between the two positions. The invention is suitable for cast iron man holes.
申请公布号 CA2484344(C) 申请公布日期 2008.03.11
申请号 CA20032484344 申请日期 2003.05.20
申请人 SAINT-GOBAIN PAM 发明人 HAUER, JEAN-CLAUDE;PIETRZAK, JEAN-PAUL
分类号 E02D29/14;E02D29/12;E05D1/06;E05D3/02;E05D11/10;G11B33/04 主分类号 E02D29/14
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