Patent ID: 6334507
Filing Date: 2002-01-01
Classification: A62B,E04G

Abstract:
A fall protection system comprising:substantially horizontal anchoring cables, wherein said anchoring cables are arranged in parallel, spaced relation to each other and each of said anchoring cables is approximately round in cross-section and has an approximately rounded outer contact surface; at least one trolley for movement along said anchoring cables together with an object to be protected from falling by said fall protection system, said at least one trolley including a multi-part running gear having at least two rollers, wherein each roller of said at least two rollers has an approximately rounded concave outer surface for approximately matingly contacting said rounded outer contact surface of each of said anchoring lines, thereby reducing friction, and wherein said at least one trolley is approximately U-shaped in cross-section so as to have first and second arms extending from a base, said first and second arms being fixedly attached to said base at a predetermined distance from each other so that said first arm is non-movable with respect to said second arm; and a locking pin extending through said first and second arms below said at least two rollers to prevent said anchoring cables from becoming detached from said at least one trolley, said locking pin being a quick-release type locking pin having a spring-loaded release button; wherein said running gear is of dual construction and is movable over a pair of said anchoring cables, said dual construction of said running gear including first and second parts each having two rollers for engaging one of said anchoring cables, a first roller of said two rollers being arranged behind a second roller of said two rollers, which first and second rollers run over a same anchoring cable of said anchoring cables.