Patent attributes
An emergency descender device preferably includes a base plate, a cover plate, a feed handle, a lock lever, a rope pulley, a release link and at least one spacer. The rope pulley is pivotally retained between the cover and base plates. The feed handle is preferably pivotally retained on the base plate. The lock lever pivots relative to the feed handle. A lock pin is pressed into the lock lever. A portion of the lock pin engages a perimeter of the cover plate to place the emergency descender device in either a lock position or a release position. The rope pulley grips an anchor rope against the at least one spacer in a locked position. One end of the release link is pivotally engaged with the rope pulley and an opposing end of the release link is pivotally engaged with the feed handle.
