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Self-locking devices are pieces of rock-climbing equipment intended to arrest the fall of solo climbers who climb without partners. This device is used for rope solo climbing, for "ground-up climbing", and for "top rope solo climbing". To date, several types of self-locking devices have evolved.
Self-locking devices (SLDs), also called progress capture devices (PCDs), are the terms given to the broader class of rope devices that allow the climbing rope to move more freely in one direction but will lock quickly if the rope tries to move in the opposite direction. Their basic action means that several can also be used as emergency ...
The rope to be pulled is passed through a pulley, and a Prusik is tied on the loaded side. When the rope is pulled, the Prusik rides against the pulley, and the rope slides through it; but when the rope is relaxed, the Prusik slides away from the pulley and grabs the rope. Thus, the combination acts as a ratchet (or Progress Capture Device (PCD)).
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HP 15.6 inch Laptop PC, Processor: 13th Generation Intel® Core™ i7, Graphics: Intel® Iris® Xe Graphicsc, 16 GB DDR4-3200 MHz RAM, 512GB SSD, Windows 11 Home (Silver, 15-fd0099nr) (AMAZON) HP ...
3M Dual Lock RFID transponder attached to car with hook-and-loop fastener The Slidingly Engaging Fastener was developed to address several problems with common hook-and-loop fasteners. [ 15 ] [ 16 ] Heavy-duty variants (such as "Dual Lock" or "Duotec") feature mushroom-shaped stems on each face of the fastener, providing an audible snap when ...
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Rope lock, with oval locking ring engaged. The padlock hole is visible at the base of the handle. Metal cams grip the rope. In a theater fly system, a rope lock is a device used to prevent a rope, and the line set it controls, from moving. A rope lock is controlled by a steel handle that engages the lock when vertical and releases it when ...