Patent attributes
A branched air supply device includes: a shell having a peripheral wall portion, with the peripheral wall portion being provided with a plurality of air supply ports; a plurality of baffles, with each of the baffles being rotatably mounted at one of the air supply ports; a plurality of transmission assemblies, with each of the transmission assemblies being provided with a rotating member and a first transmission mechanism, and each of the first transmission mechanisms being configured to transmit a rotational motion of a corresponding rotating member to one of the baffles, so that the baffle is at rest or rotates; and a driving device having a driving source and a second transmission mechanism, with the second transmission mechanism being configured to transmit one motion, output by the driving source, to the plurality of rotating members, so that each of the rotating members is at rest or rotates.

