(under subclass 221) Hinge comprising an element which extends into an aperture or groove which is elongated in a direction transverse to the hinge axis*, wherein the element moves laterally along the aperture or groove as one hinged
member* is swung relative to the other about the hinge axis*.
SEE OR SEARCH THIS CLASS, SUBCLASS:
348, for hinges provided with a recess along the slot into which pin is moved to fix the hinged members* in relative position.