Dental clean air device

Abstract

A dental clean air cabinet is provided with a hood over a table top opening for directing flow thereto, said opening being covered by a heavy supporting screen. The inner portion of the cabinet is divided into two compartments, one compartment containing a blower, or turbine, providing suction action for drawing contaminated air into said hood through said screen and directing it into said other compartment, said other bottom compartment having a large filter outlet for filtering said contaminated air and directing clean air therefrom, said table top having a receptacle therein for plugging in an amalgam mixing device which can be placed on the heavy supporting screen for operation. The cabinet includes a switch for turning said blower on and off and a combination switch and timer for directing current to said receptacle for operating said amalgam mixing device, said hood having a door for controlling flow into an out of said hood. A microswitch is electrically connected in the system so that the amalgam mixing device will not operate until the door is closed. A controllable oral cavity collector is also connected to said cabinet having a second suction device located in said one compartment.

Dependencies are inferred from the claim text.