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:
“Hail, Source of Being! Universal Soul
Of heaven and earth! Essential Presence, hail!
To thee I bend the knee; to thee my thoughts
Continual climb, who with a master-hand
Hast the great whole into perfection
touched.”
—James Thomson (1700–1748)
“Your letter of excuses has arrived. I receive the letter but do not admit the excuses except in courtesy, as when a man treads on your toes and begs your pardon—the pardon is granted, but the joint aches, especially if there is a corn upon it.”
—George Gordon Noel Byron (1788–1824)