The mechanism takes a bit of thought to fully grok, but it basically uses a pair of split pulleys with variable spacing. The input shaft rotates the inner pulley eccentrically, which effectively ...

Let’s take a look at some of the simple mechanisms that they use. Pulleys and gears.When a flag is raised, it will often be lifted using a pulley mechanism. A pulley is a wheel on a fixed axle.

This Roman wooden pulley system was found at Bar Hill Roman Fort, Strathclyde, Scotland and was picked by Christina Gilfedder, second year student at the University of Glasgow (Single Honours ...

The solution? A pulley system to make everything easier. The concept is simple. [Barnso]’s system uses three pulleys. The headphone cable goes to the PC, and then runs over the first pulley.

When she needs to water her plants she can simply use the pulley system to bring the plants down. We can see this working perfectly in a house with a lot of vintage pieces or farmhouse decor.

“Crossbow made with pulleys and power springs. The complex mechanism, which required advanced mathematical and mechanical understanding to craft, was likely made by a certain genius who learned ...

“Longbow which utilizes a series of pulleys and strings. The complex mechanism, which required advanced mathematical and mechanical understanding to craft, was likely made by a certain genius ...