#flexible_joint__hinge  a joint that holds two parts together so that one can swing relative to the other
  supertype:  joint  junction by which parts or objects are joined together
  part:  pintle
  part of:  bi-fold_door  car_door  exterior_door  French_door  gate  swing_door
  subtype:  butt_hinge  a hinge mortised flush into the edge of the door and jamb
  subtype:  strap_hinge__straphinge__joint_hinge__jointhinge  a hinge with two long straps; one strap is fastened to the surface of a moving part (e.g., a door or lid) and the other is fastened to the adjacent stationary frame
  subtype:  tee_hinge__teehinge__T_hinge  a hinge that looks like the letter T when it is opened; similar to a strap hinge except that one strap has been replaced by half of a butt hinge that can be mortised flush into the stationary frame

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