Abstract: A dishwasher may include a tub configured to accommodate one or more items to be washed, a spray arm rotatably mounted to the tub, and configured to spray water onto the one or more items to be washed, a sump disposed at a bottom surface of the tub and configured to store water and to supply stored water to the spray arm, a fixed gear unit fixed to the tub with gear teeth arranged along an outer circumferential surface of the fixed gear unit, a rotary gear unit rotatably mounted on the spray arm and configured to engage the gear teeth of the fixed gear unit, and a link member connected to the rotary gear unit and the spray arm, where the spray arm may include, a main arm with a pair of arms, and a pair of auxiliary arms rotatably connected to the main arm.

Abstract: A dishwasher may include a tub configured to accommodate one or more items to be washed, a spray arm rotatably mounted to the tub, and configured to spray water onto the one or more items to be washed, a sump disposed at a bottom surface of the tub and configured to store water and to supply stored water to the spray arm, a fixed gear unit fixed to the tub with gear teeth arranged along an outer circumferential surface of the fixed gear unit, a rotary gear unit rotatably mounted on the spray arm and configured to engage the gear teeth of the fixed gear unit, and a link member connected to the rotary gear unit and the spray arm, where the spray arm may include, a main arm with a pair of arms, and a pair of auxiliary arms rotatably connected to the main arm.

Abstract: Exercise equipment may include a body provided with a mounting surface and a seating surface to support feet of a user, a load unit including a wire having one end disposed inside the body and an opposite end exposed to the mounting surface, and a load generator disposed inside the body and configured to generate a force pulling the wire into the body, a drawing-out guide including a guide fixed to the mounting surface, and a guide through-hole formed through the guide, a drawing-out hole cover including a cover body arranged to rotate about an axis parallel to a longitudinal direction or a transverse direction of the seating surface to close the guide through-hole, and a cover through-hole formed through the cover body to guide the opposite end of the wire, and a limiter arranged to limit a rotation angle of the cover body.

Abstract: A dishwasher may include a sump configured to store water, a main arm disposed at the sump and configured to supply water from the sump, an auxiliary arm rotatably disposed at the main arm and configured to spray water, and an auxiliary arm connection member disposed at the main arm and configured to rotatably support the auxiliary arm, where the auxiliary arm may include an auxiliary flow passage configured to allow water flow through the auxiliary arm, where the main arm may include a transfer flow passage in fluid communication with the auxiliary flow passage, where the auxiliary arm connection member may include a flow tube disposed at the main arm in fluid communication with the transfer flow passage and the auxiliary flow passage.

Abstract: A dishwasher may include a sump configured to store water, a main arm disposed at the sump and configured to supply water from the sump, an auxiliary arm rotatably disposed at the main arm and configured to spray water, and an auxiliary arm connection member disposed at the main arm and configured to rotatably support the auxiliary arm, where the auxiliary arm may include an auxiliary flow passage configured to allow water flow through the auxiliary arm, where the main arm may include a transfer flow passage in fluid communication with the auxiliary flow passage, where the auxiliary arm connection member may include a flow tube disposed at the main arm in fluid communication with the transfer flow passage and the auxiliary flow passage.

Abstract: A dishwasher may include a tub configured to accommodate one or more items to be washed, a spray arm rotatably mounted to the tub, and configured to spray water onto the one or more items to be washed, a sump disposed at a bottom surface of the tub and configured to store water and to supply stored water to the spray arm, a fixed gear unit fixed to the tub with gear teeth arranged along an outer circumferential surface of the fixed gear unit, a rotary gear unit rotatably mounted on the spray arm and configured to engage the gear teeth of the fixed gear unit, and a link member connected to the rotary gear unit and the spray arm, where the spray arm may include, a main arm with a pair of arms, and a pair of auxiliary arms rotatably connected to the main arm.

Abstract: A dishwasher may include a tub configured to accommodate one or more items to be washed, a spray arm rotatably mounted to the tub, and configured to spray water onto the one or more items to be washed, a sump disposed at a bottom surface of the tub and configured to store water and to supply stored water to the spray arm, a fixed gear unit fixed to the tub with gear teeth arranged along an outer circumferential surface of the fixed gear unit, a rotary gear unit rotatably mounted on the spray arm and configured to engage the gear teeth of the fixed gear unit, and a link member connected to the rotary gear unit and the spray arm, where the spray arm may include, a main arm with a pair of arms, and a pair of auxiliary arms rotatably connected to the main arm.

Abstract: A dishwasher includes a tub, a spray arm, and a spray arm. The spray arm includes an arm body that defines a plurality of channels that are partitioned from each other and that are configured to carry washing water and a plurality of spray holes configured to discharge washing water from the plurality of channels toward the washing objects. The spray arm further includes a chamber disposed vertically below the arm body and configured to communicate with the plurality of channels; a channel guider configured to supply washing water from the spray arm holder to the chamber; and a channel switch unit accommodated in the chamber and configured to open and close at least a portion of the plurality of channels.

Abstract: A laundry treatment apparatus includes: a tub, a drum rotatably provided in the tub, an agitator rotatably provided in the drum, a driver coupled to the tub and configured to provide power for rotating at least one of the drum or the agitator, and a clutch unit provided between the driver and the agitator to transmit the power from the driver to at least one of the drum or the agitator. The clutch unit includes: a gear unit configured to rotate based on being engaged with the driver, a rotary shaft coupled to the gear unit and configured to rotate the agitator, a housing coupled to the drum and that accommodates the gear unit and the rotary shaft, a coupler configured to reciprocate between the housing and the driver and rotate the housing, a moving unit including the coupler to reciprocate the coupler, and an actuator reciprocating the moving unit.

Abstract: A laundry treatment apparatus includes: a tub, a drum provided in the tub, an agitator provided in the drum, a driver coupled to the tub and providing power for rotating at least one of the drum or the agitator, and a clutch unit provided between the driver and the agitator and transmitting the power to at least one of the drum or the agitator. The clutch unit includes: a gear unit rotating based on being engaged with the driver, a rotary shaft coupled to the gear unit and rotating the agitator, a housing coupled to the drum and accommodating the gear unit and the rotary shaft, a coupler reciprocating between the housing and the driver and rotating the housing, a moving unit including the coupler therein to reciprocate the coupler, and an actuator reciprocating the moving unit, where at least a portion of the actuator is disposed in the driver.

Abstract: A robot according to an embodiment of the present invention includes: a main body; a moving rotatably mounted on the main body; a tail protruding outward from the moving housing; a first actuator mounted on the main body, disposed below the moving housing, and configured to allow the moving housing to rotate; a moving link disposed inside the moving housing, the moving link being connected to the tail; and a second actuator disposed inside the moving housing, the second actuator being configured to allow the moving link to rotate.

Abstract: A robot according to an embodiment of the present invention includes: a head part; an ear rotatably connected to the head part; a moving frame connected to the head part, the moving frame moving vertically to allow the ear to rotate; a neck body coupled to the heat part; a main actuator configured to allow the neck body to rotate; and sub actuator configured to allow the moving frame to move vertically. The main actuator and the sub actuator may be disposed to be symmetrical to each other with respect to the neck body.

Abstract: A coffee maker includes an extractor configured to receive ground coffee and water and to extract coffee from the ground coffee, and a dispenser configured to supply water to the ground coffee in the extractor. The dispenser includes an arm that is rotatably disposed vertically above an inlet of the extractor and includes a nozzle configured to supply water to the ground coffee in the extractor, a first actuator configured to rotatably support the arm and to rotate the arm about a center of the inlet along an edge of the inlet, and a second actuator connected to the arm and configured to rotate the arm relative to the first actuator.

Abstract: A dishwasher may include a sump configured to store water, a main arm disposed at the sump and configured to supply water from the sump, an auxiliary arm rotatably disposed at the main arm and configured to spray water, and an auxiliary arm connection member disposed at the main arm and configured to rotatably support the auxiliary arm, where the auxiliary arm may include an auxiliary flow passage configured to allow water flow through the auxiliary arm, where the main arm may include a transfer flow passage in fluid communication with the auxiliary flow passage, where the auxiliary arm connection member may include a flow tube disposed at the main arm in fluid communication with the transfer flow passage and the auxiliary flow passage.

Abstract: A dishwasher may include a sump configured to store water, a main arm disposed at the sump and configured to supply water from the sump, an auxiliary arm rotatably disposed at the main arm and configured to spray water, and an auxiliary arm connection member disposed at the main arm and configured to rotatably support the auxiliary arm, where the auxiliary arm may include an auxiliary flow passage configured to allow water flow through the auxiliary arm, where the main arm may include a transfer flow passage in fluid communication with the auxiliary flow passage, where the auxiliary arm connection member may include a flow tube disposed at the main arm in fluid communication with the transfer flow passage and the auxiliary flow passage.

Abstract: The present invention provides a dust collecting apparatus for a vacuum cleaner, comprising: a first cyclone installed in a first case and configured to separate dust from air introduced thereinto together with foreign substances and to discharge the separated dust to a first dust storage unit; a second cyclone mounted above the first cyclone and configured to separate fine dust from the air from which the dust is separated by the first cyclone and to discharge the separated fine dust to a second dust storage unit; a compression device configured such that at least a part thereof performs normal rotation in one direction and reverse rotation in the direction opposite to that of the normal rotation along the outer peripheral surface of a second case having the second dust storage unit therein to compress the dust stored in the first dust storage unit; a screw rotatably installed above the compression device and having a guide vane spirally extending along the outer periphery thereof to guide the collection of

Abstract: A pet robot in a shape of an animal is provided. The pet robot may include a body, a leg connected to the body, and a foot body configured to rotate around a connection portion horizontally connected to a lower end of the leg. The foot body may include a front portion positioned at a front of the lower end of the leg, a pair of side portions extending rearward from the front portion and connected to both sides of the leg, and an elastic piece connected to the front portion and positioned between the pair of side portions to provide an elastic force to the lower end of the leg.

Abstract: A pet robot in a shape of an animal is provided. The pet robot may include a body, a first actuator provided in the body, a rotating body provided in the body and connected to the first actuator to rotate, a second actuator fastened to the rotating body, a thigh portion connected to the second actuator at an upper portion thereof to rotate, a third actuator fastened to a lower portion of the thigh portion, and a calf portion positioned at a lower side of the thigh portion and connected to the third actuator at an upper portion thereof to rotate.

Abstract: The present invention relates to a washing machine including an outer tub which accommodates wash water, an inner tub which is disposed in the outer tub to accommodate laundry, and which rotates around a vertical axis, a motor which provides torque, an outer shaft which has a hollow, and which rotates the inner tub, an inner shaft which rotates inside the hollow by the motor, a pulsator which is disposed in the inner tub and is connected to the inner shaft, and a clutch which is screw-coupled to the inner shaft in the hollow formed at the outer shaft, and which is engaged with the outer shaft so as to be raised by the rotation of the inner shaft.

Abstract: The present invention relates to a washing machine including an outer tub which accommodates wash water, an inner tub which is disposed in the outer tub to accommodate laundry, and which rotates around a vertical axis, a motor which provides torque, an outer shaft which has a hollow, and which rotates the inner tub, an inner shaft which rotates inside the hollow by the motor, a pulsator which is disposed in the inner tub and is connected to the inner shaft, and a clutch which is screw-coupled to the inner shaft in the hollow formed at the outer shaft, and which is engaged with the outer shaft so as to be raised by the rotation of the inner shaft.