Patent ID: 7997963

Claim:
A powder spray booth, comprising: a first sidewall and a second sidewall, a floor between said first and second sidewalls, said floor comprising a central portion and first and second side portions, said first side portion extending between a first edge of said first side portion and a second edge of said first side portion, said second side portion extending between a first edge of said second side portion and a second edge of said second side portion, a first pressurized air plenum disposed at said first edge of said first side portion of said floor, said first pressurized air plenum having at least one air outlet for directing air across said first side portion from said first edge towards said central portion of said floor, a second pressurized air plenum disposed at said first edge of said second side portion of said floor, said second pressurized air plenum having at least one air outlet for directing air across said second side portion towards said central portion of said floor, said central portion of said floor including a trough comprising a first sidewall having a first top edge and a first bottom edge, a second sidewall having a second top edge and a second bottom edge, and a flat bottom extending between said first bottom edge and said second bottom edge, said trough flat bottom being lower than said first and second floor side portions, said trough having an opening that is connected by a conduit to a source of suction, said first floor side portion extending between said first pressurized air plenum and said first top edge of said trough wherein said second edge of said floor first side portion is located at said first top edge of said trough, said second floor side portion extending between said second pressurized air plenum and said second top edge of said trough wherein said second edge of said second floor side portion is located at said second top edge of said trough said first and said second floor side portions having a solid surface, a diverter plate that extends over said trough between said first top edge of said trough and said second top edge of said trough.