Patent ID: 6530454
Filing Date: 2003-03-11
Classification: A62B

Abstract:
A fall arrest device (100) for use on an elongate support (180), said device comprising:a chassis having a safety retainer (105) to retain the elongate support whilst allowing movement of the device therealong, and including an engaging element (105) for slidably engaging said elongate support; first and second locking cams (132, 133, 134, 135) for locking the device to said elongate support in a fall arrest situation; a bias (122, 124, 128) to urge one locking cam into locking engagement with the elongate support in response to a sudden change in load experienced by the device; and an attachment (110, 112) for attaching a personnel safety connector (113, 115) to the device; in which said first and second locking cams comprise first and second independent actuable cam elements (133, 135) respectively, and characterized by said cam elements being actuated by a common arrester (107, 109, 128) in response to a sudden change in load experienced by the device such that said first cam element (133) traps the elongate support between itself and said engaging element when the support slopes in a first direction and such that said second cam element (135) traps the elongate support between itself and said engaging element when the elongate support slopes in a second direction.