Patent ID: 9598873
Date: 2017-03-21
CPC Classifications: E04G,E06B,Y10S

Claim:
1. A reusable, portable, and reversible temporary door and frame assembly blocking unauthorized access into construction areas and primarily used in abatement, remediation, demolition, and remodeling applications with an underneath supporting surface, an overhead surface, and a walkway opening leading to a construction area, said door and frame assembly comprising: an outer frame portion having a top end, opposing sides, and a bottom end; a door with an upper end and an opposed lower end, said door also having hinged connection to one of said opposing sides of said outer frame portion allowing movement of said door relative to said outer frame portion between a closed position against said outer frame portion and opened positions creating a temporary walkway access through and between said top end, said opposing sides, and said bottom end of said outer frame portion; a generally C-shaped top extension having two non-spring-loaded poles each with a top end and an opposed bottom end, said top extension also having a top bar connected across and between said top ends of said two poles, said bottom ends of said poles associated with said outer frame portion for repeat upward and downward elevation change of said top bar toward and away from said outer frame portion wherein differing portions of said poles remain hidden from view within said outer frame portion; and a door handle allowing on-demand movement of said door between said closed position against said outer frame portion and at least one of said opened positions, wherein when said temporary door and frame assembly is positioned in front of said walkway opening leading to said construction area, said bottom end of said outer frame portion is temporarily secured to a supporting surface in a manner eliminating air transmission around said bottom end, said top bar of said top extension is temporarily secured to an overhead surface in a manner eliminating air transmission around said top bar, and said opposing sides are temporarily secured to eliminate air transmission around them, said door and frame assembly can provide containment of potentially harmful substances within, and block unauthorized access to, the construction area, and after association with said walkway opening leading to said construction area, said assembly can be promptly and easily relocated for reuse.