发明名称 Emergency ladder equipment
摘要 The present invention discloses an emergency ladder equipment. Such an emergency ladder equimpment is mounted on the outside wall of the top floor of buildings. The emergency ladder equipment substantially comprises a number of ladder members which are stored in a storage case in a stacked or folded manner except for an emergency case, wherein the storage case is mounted on the outside wall of buildings. Each ladder member is connected by a connecting device to the subsequent ladder member. Furthermore, the bottom end of each ladder member is supported by a support stay disposed in the storage case. By releasing the support stay, each ladder member slides down one after another in series while being connected by a plurality of connecting devices to form a complete ladder which is installed along the outside wall of the building.
申请公布号 US5024293(A) 申请公布日期 1991.06.18
申请号 US19900462179 申请日期 1990.01.08
申请人 YANG, ANTHONY;YANG, VICTOR 发明人 YANG, ANTHONY;YANG, VICTOR
分类号 E06C7/18;E06C9/08 主分类号 E06C7/18
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