Turning an eccentric mounted through the movable plate into the base plate causes the movable plate to be displaced on the base plate in {HEAD ~ a direction} perpendicular to the pivot axis and perpendicular to {TAIL ~ the door} in a closed position thereof 
perpendicular to
Turning an eccentric mounted through the movable plate into the base plate causes the movable plate to be displaced on the base plate in { HEAD ~ a direction } perpendicular to the pivot axis and perpendicular to { TAIL ~ the door } in a closed position thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH