Early ideas of universal joints (or U-joints) have dated back thousands of years and seem to originate from multiple sources. However, about a century ago, a young engineering graduate, Clarence W.

Universal joints allow drive shafts to move up and down with the suspension while the shaft is moving so power can be transmitted when the drive shaft isn’t in a straight line between the transmission ...

We may receive a commission on purchases made from links. Universal joint sockets aren't the kind of tool that everyone will need; chances are, most don't even know what they do. If you're reading ...