主权项 |
1. A mobile airborne contamination control system comprising:
a ventilation unit having at least one exhaust fan; a filter assembly housed within said ventilation unit; and, a retractable contamination control booth including:
a retractable/extendable frame having a plurality of pairs of opposing of risers, each said riser having a supporting rolling means, wherein each riser in each of said pair of opposing risers is hingeably attached to each adjacent riser;a plurality of joists, each of said joists attached to one pair of said plurality of pairs of opposing risers;a cover of flexible material draped over all of said opposing risers and thereby covering said retractable frame to form said booth having an enclosed work area;a flexible rear wall attached to said retractable/extendable frame and sealingly attached to said ventilation unit around said filter assembly, wherein said filter assembly opens into said retractable booth from said rear wall; and,a front wall of said booth having at least one front door, each of said at least one door having a section permeable to air flow. |