发明名称 Stairs convertible into a walkway
摘要 The stair (1) has multiple tread elements arranged at regular distances between two longitudinal rods (4,7) and forming a horizontal tread surface (8). A transition element (25) is formed in connecting manner, which has an end of the stair respective to the walking- and travel path for accessible connection with another stair.
申请公布号 EP2312082(A1) 申请公布日期 2011.04.20
申请号 EP20090405183 申请日期 2009.10.19
申请人 OBRIST BAUGERAETE AG 发明人 VOEGTLI, EDUARD MECHANIKER
分类号 E04F11/02;B63B27/14;E01D15/24;E04F11/06;E06C1/39;E06C7/50 主分类号 E04F11/02
代理机构 代理人
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