Vacuum cleaner

A vacuum cleaner, comprising:

• a cleaner body;
• and
• a suction nozzle connected to the cleaner body,
• wherein the suction nozzle comprises:
• a housing defining an opening at a front portion of the housing, and
• a rotary cleaning unit located inside of the housing and configured to rotate relative to the housing, at least a portion of the rotary cleaning unit being exposed through the opening of the housing,
• wherein the rotary cleaning unit comprises:
• a nozzle body rotatably coupled to an inside of the housing, the nozzle body having a cylindrical shape,
• a plurality of fiber filaments and a plurality of metal filaments disposed on an outer circumferential surface of the nozzle body,
• a fiber layer that surrounds the outer circumferential surface of the nozzle body, and
• a supporting portion configured to support the plurality of fiber filaments and the plurality of metal filaments,
• wherein the fiber layer includes a plurality of planting portions that are spaced apart from each other, each planting portion being configured to receive a portion of the plurality of fiber filaments and a portion of the plurality of metal filaments,
• wherein each planting portion comprises a hole and a bridge that crosses the hole,
• wherein each fiber filament comprises a bundle of threads that twist around each other, and each metal filament comprises a bundle of threads that twist around each other,
• wherein a center of each fiber filament and a center of each metal filament are coupled to the bridge,
• wherein an end of each fiber filament and an end of each metal filament extend outward from a center of the nozzle body, and
• wherein the supporting portion comprises an adhesive that is cured between the nozzle body and the fiber layer, the supporting portion extending at least one of in a lengthwise direction of the nozzle body, a circumferential direction of the nozzle body, or a spiral direction of the nozzle body.