A mechanism which is especially used in transforming rotary motion into linear motion.

It is a mechanical device which engages and disengages power transmission especially from driving shaft to driven shaft.

It is a device that transforms input forces and movement into a desired set of output forces and movement.

It is a way of transmitting mechanical power from one place to another which is common in motorcycles and bicycles.

Example of this mechanism is a Scissor Lift.

It is a mechanical device that prevent motion by absorbing energy from a moving system.

What does brake on the aircraft wings call?

This mechanism is popular on a Treadmill which is commonly used in Fitness/Gym.

This mechanism is commonly used in wristwatches, clocks, toys, etc.