Patent ID: 8869934

Claim:
In a lifeline system having at least one elongate line attached between at least two anchorage points, a shuttle member passage arrangement comprising: a first shuttle member and a second shuttle member, each movable along the elongate line, and each comprising a body having: (i) an upper portion configured for direct or indirect attachment to the line; (ii) an intermediate portion that, together with the upper portion, defines at least one passage slit that is sized such that the elongate line cannot pass therethrough when the shuttle member upper portion is in contact with the elongate line; and (iii) an attachment portion configured for attachment of at least a portion of an attaching device; wherein the first shuttle member is configured to permit at least a portion of the upper portion of the first shuttle member to move through an inner area and passage slit of the second shuttle member from a side thereof, thereby permitting the first shuttle member to pass the second shuttle member.