Truck/trailer gap fill closure for storage terminal dock

In a warehouse building having at least one dock door within its wall to receive an open truck/trailer for loading and unloading, a wall mounted gap fill closure unit comprising:

• a) hingedly adjustable, outwardly opening lefthand and righthand side wings, each wing having a free end and a wall-mounted anchor end, the anchor end being cantilevered to the building wall, each said wing including resilient stays each of which are secured transversely to the wing in a vertically spaced apart array of the wing, the stays being further secured in position by rigidized wing stiffeners, stiffeners secured within respective wings in a longitudinal dimension at ends thereof, the stiffeners being longitudinally coextensive with a corresponding jamb of the door and the horizontal dimension of the stays in respective wings likewise being coextensive with the gap to be closed;
• b) a bracket secured to the wall and one each hinge leaf supported by the bracket for the respective wings;
• a knuckle connecting at a lower end to the leaf;
• a pull pin on the knuckle which is engageable and disengageable with said knuckle, whereby to fix the active and inactive orientation of the wings relative to the dock door;
• c) a head pas assembly coactively disposed and fixed upon the wall with respect to adjustable side wings, said head pad assembly and said wings being independently flexible, laterally, to offset vertical displacement at a loading dock.