Cleaner with clutch for motor engagement

A cleaner comprising:

• a cleaner body;
• a wheel which movably supports the cleaner body with respect to a floor;
• a traveling drive motor which is disposed in the cleaner body;
• a first pulley which is rotated by a driving force of the traveling drive motor;
• a second pulley which is rotated when the first pulley rotates and rotates the wheel;
• a belt which connects the first pulley and the second pulley;
• a clutch which adjusts tension of the belt to connect or disconnect power between the first pulley and the second pulley;
• and
• a housing in which the first pulley and the second pulley are rotatably provided,
• wherein the clutch includes a base which is installed in the housing so as to be movable linearly, and a tension roller which is rotatably installed in the base and is in contact with the belt to adjust the tension of the belt, and
• wherein a hook which is locked to the housing at a position where the tension roller connects the power between the first pulley and the second pulley is formed to protrude in the base.