Geared continuous hinge

A type of continuous hinge used mostly on doors in high-traffic entrances

en-GB/ˈɡɪəd kənˈtɪnjuːəs ˈhɪnd͡ʒ/
en-US/ˈɡɪɹd kənˈtɪnjuəs ˈhɪnd͡ʒ/

الفئات:

hinge