发明名称 HINGE ASSEMBLY AND CORRESPONDING ROAD DEVICE
摘要 This hinge assembly comprises a lid with a covering web and a hinge adapted for enabling an angular movement of the lid between an open position and a closed position, the hinge including a first cam and a first counter-cam, the first cam and the first counter-cam cooperating over a first angular range. The hinge comprises an additional cam and an additional counter-cam cooperating over an additional angular range. The first angular range and the additional angular range overlap over an angular overlap range that amounts to at least 60° and over the entire range of which both the first cam and counter-cam and the additional cam and counter-cam cooperate simultaneously. The device can be used for road manholes.
申请公布号 US2012020728(A1) 申请公布日期 2012.01.26
申请号 US200913144919 申请日期 2009.12.18
申请人 ROYER JEAN-CLAUDE;ROTHARMEL VINCENT;PICKAVANCE JOHN NEIL;SAINT-GOBAIN PAM 发明人 ROYER JEAN-CLAUDE;ROTHARMEL VINCENT;PICKAVANCE JOHN NEIL
分类号 E05D11/00;E02D29/14 主分类号 E05D11/00
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