| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve a problem of a conventional drying device that a worm wheel must be mounted at a dumper shaft in order to drive two dampers and a motor mounted with a worm must be provided in order to drive the worm wheel and thus the device is expensive. SOLUTION: The drying device is provided with an absorbent for absorbing the moisture of air in a casing, a blower for introducing and discharging the air in the casing and a heater for heating the air in the casing, and the casing has a first and second doorways at one surface and a third and fourth doorways at the other surface, and the casing is provided with a first switching damper for closing either one of the first and third doorways, a second switching damper for closing either one of the second and fourth doorways, a damper shaft for connecting the first switching damper and the second switching damper on the same plane, a first spring for rotating the damper shaft in a prescribed direction and a second spring for rotating the damper shaft in an opposite direction.</p> |
