Low obstruction window air conditioner

A low-obstruction window air conditioner for a window in a wall separating an exterior from an interior, said window having a frame, a lower sash slidable in said frame, a windowsill below said lower sash, said air conditioner comprising:

• a saddle bracket adapted to straddle said sill and provided with a substantially horizontal member adapted to rest upon said sill, an outer member extending downwardly from said horizontal member along an exterior of said wall, an inner member extending downwardly from said horizontal member along an interior of said wall, a raisable and lowerable platform guided on said outer member, and jack means operable for raising and lowering said platform on said outer member;
• an outer unit comprising an outer casing, a compressor in said outer casing, a condenser in said outer casing and a motor-driven condenser fan in said outer casing, said outer unit being provided with guide means cooperating with guide means on said bracket for guiding said unit onto said platform in a raised position of said platform, whereby operation of said jack means lowers said platform with said outer unit thereon into an operating position of said outer unit;
• an inner unit mounted on said bracket and disposed along said inner member, said inner unit comprising an evaporator and a motor-driven blower for blowing air into said interior upon cooling of the air in said evaporator;
• and
• refrigerant tubes disposed in said horizontal member and connecting said units.