A universal joint, universal coupling, U-joint, Cardan joint, Hardy-Spicer joint, or Hooke's joint is a joint or coupling in a rigid rod that allows the rod to 'bend' in any direction, and is commonly used in shafts that transmit rotary motion. It consists of a pair of hinges located close together, oriented at 90° to each other, connected by a cross shaft.
Read more about Universal Joint: History, Equation of Motion, Double Cardan Shaft, Double Cardan Joint, Thompson Coupling
Famous quotes containing the words universal and/or joint:
“The hero is a mind of such balance that no disturbances can shake his will, but pleasantly, and, as it were, merrily, he advances to his own music, alike in frightful alarms and in the tipsy mirth of universal dissoluteness.”
—Ralph Waldo Emerson (1803–1882)
“What’s a joint of mutton or two in a whole Lent?”
—William Shakespeare (1564–1616)