flexible joint, leaf valve, turn button, revolving door, swing door, swivel, scissor door, pivoting, roller shutter, toggle bolt, more...

pivot

door hinge, butt hinge, piano hinge, strap hinge, T-hinge, barrel hinge, gate hinge, parliament hinge, ball-bearing hinge, more...

plastic, rusty, single, lower, upper, top, bottom, broken, central, simple, very

door parts,   basic joint,   saloon door's lack,   swinger on a jamb,   articulated joint,   watch's joint,   the joint of a clam,   ball and socket,   lid attachment,   squeaky door