Patents Assigned to Mine Safety Appliances Company, LLC
  • Patent number: 8869934
    Abstract: A shuttle member for a horizontal lifeline system having at least one elongate line attached between at least two anchorage points. The shuttle member includes: a body having: (i) an upper portion configured for attachment to the line by at least partially surrounding the line; (i) 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; and (iii) an attachment portion configured for attachment of at least a portion of a lanyard. A shuttle member arrangement and a passing method are also disclosed.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: October 28, 2014
    Assignee: Mine Safety Appliances Company, LLC
    Inventors: Jonathan Bodnar, Zoe Bridges, Nadeem Haidary, Jason Jura, Jung Hwan Park, Ruqian Zhou