(under subclass 2) Devices which are double-acting and are designed to resiliently or frictionally engage the keepers or frames and be disengaged therefrom upon movement of the closures.
SEE OR SEARCH CLASS
49, Movable or Removable Closures,
414+, for a closure bearing with distinct biasing means which functions as a double acting fastener and subclasses 428+ for resilient closure bearing which functions as a double acting fastener.
