Abstract: An assembly for retaining a catch member in a first condition and for releasing the catch member for movement to a second condition, the assembly including a latch member pivotable about a first pivotal axis and having a formation adapted to co-operate with the catch member to retain the catch member when the latch member is in a latched position, and a rocker member pivotable about a second pivotal axis, the latch member and the rocker member interacting to retain the latch member in its latched position, the assembly further including actuating means to move the rocker member about the second pivotal axis to cause the latch member to be pivoted about the first pivotal axis to an unlatched position to release the catch member, and wherein the latch member and the rocker member are interconnected by a resilient biasing means wherein the resilient biasing means includes first and second relatively movable parts with a spring acting between them and there being a stop means which locks the first and second rela