Lg Electronics Inc.

Chung Jae Ryu

Phil Jae Hwang

Yun Bo Park

Jung Bae Hwang

Jinrae Cho

Chi Wan Kim

Gyoungmin Lee

Chiwan Kim

Gyoung Min Lee

A vacuum cleaner includes a main body and a suction nozzle. The suction nozzle includes a housing, a driver, a rotating brush, and a detachable cover. A pressing button is mounted in the housing. The detachable cover is rotated about the rotational axis of the rotating brush to be mounted in the housing. The pressing button selectively blocks rotation of the detachable cover.

Vacuum cleaner

A vacuum cleaner includes a suction nozzle including a housing that defines an inlet, a first shaft disposed at a side of the housing, a driver configured to rotate the first shaft, a rotating brush that extends along an axis and is configured to, based on rotation of the first shaft, rotate about the axis to thereby move dust on a surface to toward the inlet, a detachable cover configured to rotatably support a first end of the rotating brush, and a second shaft disposed at a second end of the rotating brush and configured to engage with the first shaft to rotate the rotating brush. The first shaft and the second shaft are configured to contact each other and to define first contact surfaces that have a spiral shape about the axis and that are configured to transfer rotational force from the first shaft to the second shaft.

A vacuum cleaner includes a main body and a suction nozzle that suctions up dust on the floor. The suction nozzle includes a housing, a driver, and a rotating brush. The housing includes an entrance through which the dust travels to the main body, a first shaft member, and a first rib disposed along a circumference of the first shaft member. The rotating brush includes a cylindrical body rotated by the first shaft member. The rotating brush also includes a brush member attached to an outer surface of the cylindrical body. The brush member rubs against the floor to direct the dust on the floor towards the entrance. As the brush member rotates, it also comes into contact with the first rib. The brush member includes a plurality of filaments. Some of the filaments are elastically deformed in the direction of the rotation axis upon contacting the first rib.

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Seoul, South Korea

Chung Jae Ryu