Head curtains for dock shelters or dock seals

摘要

Head curtains for dock shelters or dock seals are disclosed. An example dock apparatus disclosed herein includes a first weather barrier and a second weather barrier. The first and second weather barriers are positioned laterally of a doorway of a loading dock and compressible by a vehicle. The lateral weather barriers include inner surfaces that are to bulge toward each other in response to the vehicle compressing the lateral weather barriers. A head curtain is at least partially positioned between the lateral weather barriers and being engagable by the vehicle, the head curtain having a lateral stiffness such that in response to the vehicle engaging the head curtain and compressing the lateral weather barriers, the head curtain becomes pinched between the bulging inner surfaces to restrict a vertical movement of the curtain.

主权项

1. A dock apparatus subject to a penetrating force exerted by an upper edge of a vehicle parked at a doorway of a wall, the dock apparatus comprising:
a support panel being horizontally elongate and extending lengthwise along a width of the doorway when a proximal edge of the support panel is mounted above the doorway in proximity with the wall while a distal edge of the support panel extends away from the wall; and a header to be suspended from the support panel and configured to be engaged by the vehicle, the header having a front face oriented away from the wall and toward the vehicle, the front face having an inner central region within an outer peripheral region such that the outer peripheral region surrounds the inner central region, the inner central region having pleats to provide a greater penetrating force tolerance than that of the outer peripheral region, the pleats to extend between respective side seals adjacent the doorway such that first and second ends of the pleats are positioned between and spaced from inner lateral edges of respective side seals, the side seals being non-parallel relative to the header, the pleats to sealingly engage a central portion of the upper surface of the vehicle positioned between the side seals when the vehicle engages the header.