| 摘要 |
A load attachment device (10) attaching a person to a safety line (11) to provide a fall-arrest facility, comprises a slipper member (19) for engaging an elongate member (11) for sliding movement therealong, and load sensitive locking means (25) having an unlocked condition permitting free sliding movement of the device and a locked condition in which a grip portion (27) of the locking means (25) engages and grips an elongate member (11) slidably engaged, in use, with the slipper member, the locking means including biassing means (30) to cause the locking means (25) to be brought automatically into its locked condition when an applied loading, which is required to maintain the locking means (25) in its unlocked condition on an inclined, or a vertical or near vertical elongate member (11), or portions of an elongate member, is removed. |
