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toggle joint

American  

noun

Machinery.
  1. any of various devices consisting basically of a rod that can be inserted into an object and then manipulated so that the inserted part spreads, becomes offset, or turns at a right angle to the exterior part, allowing it to be used as a support, handle, linkage, lever, etc.


toggle joint British  

noun

  1. a device consisting of two arms pivoted at a common joint and at their outer ends and used to apply pressure by straightening the angle between the two arms

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of toggle joint

First recorded in 1840–50