发明名称 LADDER SAFETY APPARATUS
摘要 A safety ladder that protects a climber from a fall is disclosed. The device provides a ladder having a plurality of rails and rungs, one of the rails being an elongated channel having multiple flanges surrounding a passageway, a pair of the flanges defining there between a gap. A locking member is configured to travel upwardly in the passageway, the locking member having a beam, a cam section at one end portion of the beam and an eyelet that is positioned outside of the passageway. A cable connects a climber to the connector section. The cam section is specially configured and forms an anchor with the channel in a locking position when a climber pulls down on the cable and locking member. The rail or rails flanges form an acute angle with the rungs.
申请公布号 US2012247869(A1) 申请公布日期 2012.10.04
申请号 US20100814052 申请日期 2010.06.11
申请人 ANDERSON PATRICK K. 发明人 ANDERSON PATRICK K.
分类号 E06C7/18 主分类号 E06C7/18
代理机构 代理人
主权项
地址