"toggle joint." YourDictionary, n.d. Web. 19 April 2019. <https://www.yourdictionary.com/toggle-joint>.
toggle joint. (n.d.). Retrieved April 19th, 2019, from https://www.yourdictionary.com/toggle-joint
(plural toggle joints)
A mechanical linkage of the type of an elbow or kneejoint, consisting of two bars so connected that they may be brought quite or nearly into a straight line, and made to produce great endwise pressure when brought into this position.
English Wiktionary. Available under CC-BY-SA license.