Audiometric booth

An audiometric enclosure comprising:

• a rectangular back panel comprising front and back wall plates secured together in parallel spaced relation, and a sound absorbing medium between said front and back wall plates;
• first and second rectangular side panels, each comprising inner and outer wall plates having first and second oppositely located vertically-extending side edges;
• and
• connector means for attaching said side panels to said back panel so as to define a U-shaped enclosure, said connector means comprising a right-angle flange at said first side edge of each of said outer wall plates, said flange coacting with said inner wall plate to define a groove, and tabs on said back wall plate of said back panel extending into said grooves, said tabs and grooves being so sizes as to make a tight fit with said side panels.

An audiometric enclosure of modular construction comprising:

• a rectangular back panel formed of:
• inner and outer plates spaced apart from one another, said plates having side edges and end edges;
• a sound absorbing medium between said inner and outer plates;
• horizontally extending tab members projecting out from each side edge of the outer plate of said back panel, said tab members extending the full length of said panel;
• two opposed rectangular side panels assembled to and coextensive with said back panel;
• each of said side panels being formed of inner and outer plates having a sound absorbing medium therebetween;
• said plates of each side panel having front and rear side edges and opposite end edges, each of said front and rear side edges having a flange spaced from the remainder of said each side panel to form front and rear blind channels opening inwardly towards the inner plate;
• said tab members extending into the rear channels of said side panels in a friction fit;
• first and second trim members coextensive with said side panels;
• each of said trim members having a generally L-shaped cross-sectional configuration, the short portion of said L-shaped trim member extending parallel to and adjacent the inner plate of the side panel and the longer portion of said L-shaped trim member being a bifurcated flange having an inner and an outer leg, the inner leg extending into the front channel of said side member and the outer leg extending parallel to and over the front side edge of said side panel;
• a rectangular door panel formed of inner and outer plates spaced apart from one another with sound absorbing medium located therebetween, said plates having side edges and end edges;
• hinge means affixed to one side edge of said door panel and to the front side edge of one of said side panels having one of said trim members affixed thereto;
• a top and a bottom panel each comprising an outer plate having four upstanding side walls and an inner plate located within said outer plate but spaced therefrom, with sound absorbing medium located between said plates;
• said sound absorbing medium and inner plate being spaced from three of said side walls to form a continuous groove extending along said three side walls;
• one of the said end edges of said back panel and said side panels extending into and making a close fit within the groove formed in the top panel and the other of the said end edges of said back panel and said side panels extending into and making a close fit within the groove formed in the bottom panel, whereby the top and bottom panels are secured to the back panel and said two side panels;
• and
• the end edges of said door panel extending over the upstanding walls of said top and bottom panel which do not have the groove behind them;
• whereby there is provided an enclosure using interchangeable parts which is capable of being transported in disassembled condition and erected quickly and easily.

An audiometric enclosure of modular construction comprising:

• a rectangular back panel comprising inner and outer plates spaced apart from one another, said plates having side edges and top and bottom end edges, a sound absorbing medium between said plates, and horizontally extending tab members projecting from each side edge of the outer plate of said back panel, said tab members extending substantially the full length of said panel;
• first and second opposed rectangular side panels disposed at opposite side edges of said back panel at right angles thereto, each of said side panels being formed of inner and outer plates with a sound absorbing medium therebetween, each of said inner and outer plates of said side panels having front and rear side edges and top and bottom edges, and said outer plates of said side panels having a right angle flange at said front and rear side edges thereof, with said flanges at said front and rear side edges being disposed so as to from front and rear blind channels respectively that are open on the side of said inner plate of said side panel;
• said tab members extending into said rear channels of said side panels in a friction fit;
• first and second trim members each having a right angle cross-sectional configuration, with one portion of each trim member extending parallel to and adjacent the inner plate of the adjacent side panel and another portion of said trim member constituting a bifurcated flange characterized by an inner and an outer leg, the inner leg extending into said front channel of said adjacent side panel and the flange forming said front channel extending between said inner and outer legs of said trim member;
• a rectangular door panel formed of inner and outer plates spaced apart from one another with sound absorbing medium located therebetween, said plates having side edges and upper and lower end edges;
• hinge means comprising a first member affixed to said door panel adjacent one if its side edges and a second member affixed to the inner and outer legs of one of said trim members and the adjacent side panel;
• a top panel and a bottom panel each comprising an outer plate having four vertical side walls and an inner plate located within said outer plate but spaced therefrom, with a sound absorbing medium located between said inner and outer plates, said sound absorbing medium and inner plate being spaced from three of said side walls so as to form a groove extending along said three side walls, said sound absorbing medium and said inner plate also extending to the fourth one of said four side walls;
• said upper end edges of said plates of said back panel and each of said side panels extending into and making a close fit with the groove formed in the top panel and said bottom end edges of said plates of said back panel and said side panels extending into and making a close fit within the groove formed in the bottom panel, whereby the top and bottom panels are secured to the back panel and said two side panels;
• and
• said door panel being sized so that when it is in closed position its top and bottom end edges overlap said fourth side walls of said top and bottom panels respectively, whereby there is provided an enclosure using interchangeable parts which is capable of being transported in disassembled condition and erected quickly and easily.

An enclosure of modular construction comprising:

• a back panel and first and second side panels;
• said back panel comprising (a) a back panel inner wall and a back panel outer wall in the form of first and second rectangular plates respectively, and (b) first spacer members disposed between and secured to said first and second plates, each of said first and second plates having a top edge, a bottom edge, and first and second side edges;
• said first and second plates being disposed so that the top, bottom and first and second side edges of said second plate are parallel with the corresponding edges of said first plate and said second plate being sized so that first and second margin portions of said second plate including said first and second side edges thereof project laterally beyond said first and second side edge respectively of said first plate so as to constitute first and second elongate planar tongues;
• said first and second side panels each comprising (a) an inner wall and an outer wall in the form of third and fourth rectangular plates respectively, and (b) a plurality of second spacer members disposed between and secured to said third and fourth plates, said third and fourth plates having a top edge and a bottom edge and being disposed so that said top and bottom edges of said third plate are aligned with the corresponding edges of said fourth plate, said third plate having first and second right angle extensions at opposite side edges thereof secured to selected ones of said second spacer members that extend at a right angle to the top and bottom edges of said third and fourth plates, said fourth plate having third and fourth right angle extensions at opposite side edges thereof that extend parallel to but are spaced from said first and second right angle extensions of said third plate, whereby to form a first side channel between said first and third right angle extensions and a second side channel between said second and fourth right angle extensions;
• and
• said side panels being disposed parallel to one another and at a right angle to said back panel, with said first and second tongues being disposed within said first channels respectively so as to interlock said back panel to said side panels.