Patent ID: 8234884

Claim:
An air-cooling/tempering device for air cooling and tempering a glass sheet heated to a temperature by a heating furnace, the air cooling/tempering device comprising: a roller conveyor configured to air-cool and temper the glass sheet by conveying the heated glass sheet along a conveying plane defined by a plurality of rollers of the roller conveyor while air is blown toward a bottom side of the glass sheet conveyed by the roller conveyor, wherein each of the plurality of rollers of the roller conveyor comprises: a rotary shaft, a plurality of disc members carried on the rotary shaft at intervals and configured to have contact with the bottom side of the glass sheet, and a plurality of lower outlet modules disposed so as to be swingable with respect to the rotary shaft, each of the lower outlet modules being disposed between adjacent disc members and having an air injection port formed on a side confronting the glass sheet; and a drive unit configured to vertically move the plurality of rollers so as to curve a portion of the conveying plane in a conveying direction of the glass sheet.