The concept of using ball bearings to reduce friction in rotating components was not new. The sketch by Leonardo da Vinci (1452 to 1519) shows the cup-cone concept as used to provide a play-free pivot ...

Bearings in precision equipment such as computer disk-drive spindles, laser scanners/printers, and gyroscopes, need excellent stiffness and damping qualities to run true at high speeds. Until recently ...

Zhejiang Geely Holding Group has been granted a patent for an actuator device designed for friction clutches. The device features a push lever arm, a rotatable push ring, and a drive unit, allowing ...