H-hinge

[ eych-hinj ]
/ ˈeɪtʃˌhɪndʒ /

noun

a strap hinge having the form of an H with the joint in the crossbar.

Origin of H-hinge

First recorded in 1720–30; H (from the form) + hinge
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019