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US 6,412,602 B1Granted
Climbing device
AssigneeAct Safe Systems AB
InventorPeter Sundman
Life of this patent
Estimating the term…
Abstract
The invention relates to a motor-driven (22) climbing device (1) which, with the aid of a motor-driven winch (14) and a conventional rope lock (4), allows comfortable ascent along a rope (2), the safety factor with regard to fall prevention being maintained.
Claims19
A climbing device comprising:
- a rope for anchoring at one end to a support, at least one first engagement arrangement releasably locked to the rope, said first engagement arrangement being displaceable in a direction towards the anchored end of the rope under the action of a climbing force and in locking engagement with the rope when the climbing force stops;
- at least one drivable second engagement arrangement disposed to act on a free end of the rope, said second engagement arrangement being located between the locking engagement of the first engagement arrangement with the rope and a load carried by the rope to produce the climbing force and move the first engagement arrangement along the rope and towards the anchored end of the rope;
- a suspension link connected adjacent one end to the first engagement arrangement and at an opposite end to the load;
- and
- said second engagement arrangement including a transmission plate, a rotatable rope pulley carried by said plate, a drive arrangement carried by said plate for rotating the pulley, and a motor attachment for connecting a motor to the drive arrangement.
2 more elements
Dependencies are inferred from the claim text.