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A cable machine is an item of equipment used in weight training or functional training. It consists of a rectangular, vertically oriented steel frame about 3 metres wide and 2 metres high, with a weight stack attached via a cable and pulley system to one or more handles. [1] The cables that connect the handles to the weight stacks run through ...
Weight plates are directly attached to a sled, which is mounted on rails. The user sits below the sled and pushes it upward with their feet. These machines normally include adjustable safety brackets that prevent the user from being trapped under the weight. The 'cable' type leg press, or 'seated leg press', is commonly found in multigyms.
Cable-driven lifts are similar to those found in commercial buildings. These elevators take up most space due to the shaft and the equipment room, so installing a cable system in a new building is much easier than trying to retrofit an existing building. Traction elevators need a pulley system for movement.
The drive element of a pulley system can be a rope, cable, belt, or chain. The earliest evidence of pulleys dates back to Ancient Egypt in the Twelfth Dynasty (1991–1802 BC) [1] and Mesopotamia in the early 2nd millennium BC. [2] In Roman Egypt, Hero of Alexandria (c. 10–70 AD) identified the pulley as one of six simple machines used to ...
Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
A block is a set of pulleys or sheaves mounted on a single frame. An assembly of blocks with a rope threaded through the pulleys is called tackle. The process of threading ropes or cables through blocks is called "reeving", and a threaded block and tackle is said to have been "rove". [7]