PURPOSE: To eliminate the troublesome cleaning and exchange of a filter by installing the cleaner which rotates by the motor driving on the front of the filter and installing a lint receiver at the lower part of the filter.

CONSTITUTION: A cleaner 13 installed on the front of a filter 10 consists of an arm 14 with a brush 15 and a motor 16 rotating an arm axis 14a. When the total operation time of the cloth drying machine reaches a fixed time, a controller 19 drives the motor 16 and rotates the arm 14. The lint stuck on the filter 10 is brushed off in a lint receiver 18 with the brush 15. The lint receiver 18 is detachably incorporated and it can be removed when the lint is accumulated. A lint alarm means using an alarm by lamp or voice when the lint is accumulated in the lint receiver 18 is installed, and the accumulation of the lint can be detected by the driving time, driving frequency of the cleaner 13 or the detection of the number of revolutions of the arm 14.