Abstract: A washing machine includes a cabinet with an opening. A wash basket is mounted within the cabinet for rotation about a wash basket axis, and includes an access opening through which clothes may be loaded and unloaded. At least one agitator is mounted within the basket for rotation about an agitator axis which is at an angle different from the angle of the wash basket axis. A drive mechanism bathed by washing fluid interconnects a drive motor, the wash basket, and the agitator for rotating the agitator about its rotational axis.

Abstract: A method and apparatus for washing cloth items in an automatic washer is provided wherein the automatic washer includes a wash basket defining a wash chamber and an impeller located within the bottom of the wash chamber. The method includes loading cloth items into the wash chamber and then supplying a quantity of wash liquid into the wash chamber sufficient to moisten the cloth items but insufficient to cause the cloth items to lose frictional engagement with the impeller as the impeller oscillates. The impeller is oscillated to apply a drag force to the cloth items in contact with the impeller such that the cloth items in contact with the impeller move angularly along an arc-like path. Angular movement of the cloth items disposed along the bottom of the wash chamber beyond the outer periphery of the impeller is impeded such that relative angular motion is created between the cloth items disposed along the periphery of the impeller and the cloth items disposed immediately above the impeller.

Abstract: A washing machine having a sub-pulsator, the washing machine including a pulsator rotating in the left/right directions by a driving source during the washing process and guide duct mounted in a wash/spin-dry tub for guiding the washing water agitated by left/right rotations of the pulsator to the upper side of the wash/spin-dry tub, wherein the washing machine comprises:a hydraulic turbine disposed in the guide duct; anda sub-pulsator arranged in the wash/spin-dry tub to mesh with the hydraulic turbine, such that a side water current is formed at an intermediate section of the wash/spin-dry tub without recourse to input of separately added power to thereby improve the washing performance.

Abstract: A washing machine pumps a washing liquid towards an upper portion of a spin tub while a washing cycle is being executed. The washing machine has a pumping unit disposed at an underside of an outer tub so as to pump the washing liquid from a bottom wall of the outer tub to upper portions of the spin tub and the outer tub. The pumping unit has a receptacle which is fixed to the underside of the outer tub, a disc member which is reciprocated in upward and downward directions within the receptacle, a wire having a first end fixed to a center of an underside of the disc member, a synchronous motor connected to a second end of the wire for pulling the disc member downward, and a compression spring installed in the receptacle for upwardly biasing the disc member.

Abstract: Disclosed is a pulsator assembly used in a washing machine. The pulsator assembly comprises of disc-shaped lower pulsator and upper pulsator. A spouting port is formed at a central part of the upper pulsator, and an inflow port is formed at the lower pulsator. A guide rib is provided at an inner space of the pulsator assembly. The guide rib is extended from an area adjacent to a rotational axis to an area adjacent to a circumference. The guide rib is bent against a radial direction. The washing water in the inner space is guided toward the spouting port while a driving motor operates, so as to spout upward through the spouting port. Thus, a spouting water flow is formed along with a vortex water flow, which creates a complex water flow in a washing tub. Accordingly, the laundry is not twisted and the laundry is effectively washed and rinsed.

Abstract: A heated kettle for melting and mixing a thermoplastic resin into a homogeneous mixture has a helically-formed agitator which rotates about a central shaft in close proximity to the internal wall of the kettle. Fixed to the shaft at approximately the center of the kettle is a cluster of radially extending paddles. The paddles and agitator have opposite pitch when the agitator and paddles are rotated, the resin circulates along the wall of the kettle and thence through a central region of the kettle. The circulation action serves to thoroughly melt and mix the resin into a homogeneous liquid mass.

Abstract: An electric washing machine includes a washing machine body, a water tank fixed in the washing machine body and having an opening at the bottom, a double-cylindrical axis body formed of outer and inner rotary axes passing through the opening in the water tank, a washing tank in the water tank attached to the upper end of the outer rotary axis, with a large number of dehydration holes, a container type agitator attached to the upper end of the inner rotary axis, arranged at the bottom of the washing tank, and a planetary gear mechanism coupled to the lower end of the double-cylindrical axis body. The planetary gear mechanism includes an input axis, a planetary gear outer periphery portion fixed to the outer rotary axis, and a planetary gears coupled to the inner rotary axis and engaging with the outer periphery of the input axis and the inner surface of the planetary gear outer periphery portion.

Abstract: A washing machine with agitator is disclosed. The washing machine with agitator has a washing tub of which a bottom surface protrudes axially and inwardly like a pyramid, wherein the washing tub has at least two slanted portions which slant upwardly from an edge of the bottom surface toward an inside central axis of the washing tub. A washing shaft is rotatably installed and extended vertically from a lower space in the washing machine to the bottom surface of the washing tub. A driving wheel is installed on the washing shaft, wherein a frictional surface is formed on one side of the driving wheel. At least two frictional wheels rotate and contact with the frictional surface of the driving wheel. At least two driven wheels of which a frictional surface formed on one side contacts with the frictional wheels respectively, wherein the driven wheels are rotatably installed on one surface of the slanted portions.

Abstract: In a clothes washer having a main pulsator 4 which is rotatably disposed in a clothes basket 3, the driving force transmitting apparatus 17 is disposed in a chamber 12 partitioned by the horizonal plate. The driving force of the motor 5 transmits simultaneously and directly to each main pulsator and sub-pulsator which constitutes a series of bevel gears.

Abstract: A clothes washing machine has a pulsator and a spurting apparatus for spurting washing water upwardly from the center of the pulsator, so as to disperse laundry gathered thereabove. The spurting apparatus has at least one guide duct and a spurt cap. The guide duct is fixed to an underside of the pulsator so as to rotate together with the pulsator. The washing water is introduced into a radially outer end of the guide duct and guided toward the center of the pulsator. The spurt cap disposed at the center of the pulsator guides the washing water upwardly.

Abstract: A spin tub, which is installed in a washing machine, includes a washing ring and a ring guide for guiding the washing ring to be rotated along an inner sidewall of the spin tub, an engaging means for fixing the ring guide on an inner sidewall of the spin tub, and an assembling means for assembling the washing ring and the pulsator in order to provide a rotation force of the pulsator to the washing ring. The ring guide is inclined with respect to the spin axis of the spin tub, whereby when the washing ring is rotated by the pulsator, the water ring impacts on the laundry upwardly elevated along the inner side wall of the spin tub.

Abstract: A clothes washing machine has a pulsator and a spurting apparatus for spurting washing water upwardly from the center of the pulsator, so as to disperse laundry gathered thereabove. The spurting apparatus has at least one guide duct and a spurt cap. The guide duct is fixed to an underside of the pulsator so as to rotate together with the pulsator. The washing water is introduced into a radially outer end of the guide duct and guided toward the center of the pulsator. The spurt cap disposed at the center of the pulsator guides the washing water upwardly. A filter is disposed at an inlet of the duct for filtering-out impurities from washing water entering the duct.

Abstract: A clothes washing machine includes a spin basket and a water-agitating mechanism mounted at the bottom thereof. The water-agitating mechanism includes an agitator having radial blades, and a wash baton projecting upwardly from a center region of the agitator. The agitator and wash baton are rotatable relative to one another about a common vertical axis. A drive mechanism oscillates the agitator and wash baton relative to one another such that the agitator and wash baton rotate in opposite directions for maximizing the agitation of the water.

Abstract: A pulsator assembly of washing machine having a plurality of auxiliary pulsators. The washing machine has an outer tub, a spin tub rotatably accommodated within the outer tub, a main pulsator rotatably disposed at an inner lower portion of the spin tub, a plurality of auxiliary pulsators disposed at an upper surface of the main pulsator, the plurality of auxiliary pulsators being symmetrically arranged opposite to each other about a rotating shaft of the main pulsator, the plurality of auxiliary pulsators being moved in the upward and downward directions while the main pulsator is being rotated, thereby generating a turbulent liquid flow in the spin tub, and a plurality of elastic members respectively disposed between the plurality of auxiliary pulsators and the main pulsator for elastically biasing the plurality of auxiliary pulsators toward the main pulsator.

Abstract: A pulsator for a washing machine installed in a washing tub is provided. The present pulsator for a washing machine comprises: a main body installed rotatably on a bottom of the washing tub with a vertical axis, and having a fan chamber and a upper surface formed with at least a spout outlet which is open upwardly and is in a flow communication with the fan chamber; a spout fan having a fan shaft with an axis parallel with the vertical axis of the main body and a plurality of fan blades extending radially from the fan shaft, the spout fan being received in the fan chamber for rotation relative to the main body to eject washing water upwards through the spout outlet; a bearing means for rotatably supporting the fan shaft in a radial direction as well as an axial direction; and means for rotating the spout fan. Accordingly the spout fan can be supported by a simple supporting structure.

Abstract: A washing machine having an apparatus for generating a turbulent flow. The washing machine has a cabinet, an outer tub installed in the cabinet to receive a washing water, a spin tub mounted in the outer tub to receive articles, an apparatus installed at a lower portion of the spin tub to upwardly impel the washing water, a pulsator to guide the washing water impelled by the apparatus into a center portion of the spin tub and to generate a swirling flow in the spin tub, a motor and a power transmission to drive the apparatus and pulsator. The apparatus has a porous cap member to allow the washing water to flow thereinto and an impeller to upwardly impel the washing water flown thereinto. The washing machine can impel the washing water toward an upper portion of the spin tub while a washing operation is being carried out so that the apparatus generates a complicated turbulent flow in the spin tub, thereby improving a washing efficiency.

Abstract: A pulsator of a washing machine for effectively washing small-sized or light weight articles. The pulsator has a rotating disc, and a cylindrical member having a chamber for receiving an article to be washed and integrally formed at a center of an upper surface of the rotating disc. The cylindrical member extends upward by a predetermined length. The pulsator has a lid for preventing the article received in the chamber from coming out of the chamber, and a plurality of vanes for generating a swirl shaped liquid flow. The vanes are regularly installed around an outer wall of the cylindrical member. The cylindrical member is formed at its outer wall with a plurality of holes for introducing/discharging a washing water into/from the chamber. The articles placed in the chamber of the pulsator are subjected to a relatively small centrifugal force, so the small-sized articles can be prevented from tangling with each other and prevented from being damaged.

Abstract: A clothes washing machine has a washing water spurting apparatus for spurting washing water directly upwardly from the center of a pulsator. The washing water spurting apparatus has at least one guide duct and a spurt cap. The spurt cap has a canopy forming a spurt hole. The canopy has a core and an arcuate rim surrounding the core, between which the spurt hole is formed. The core has ribs extending from the core toward a cylindrical inner surface of the arcuate rim. Distal ends of the ribs are spaced a predetermined distance from the cylindrical inner surface. The ribs increase a spurting pressure of the washing water and prevent foreign materials from entering the guide duct downwardly through the spurt hole.

Abstract: A clothes washing machine has a washing water spurting apparatus for spurting washing water directly upwardly from a center of a pulsator. The washing water is guided by at least guide one duct affixed to the pulsator. The pulsator has a plurality of first ribs formed on an underside of the pulsator and second ribs formed in recesses of the lower surface of the underside. Each of the first ribs is spaced a predetermined distance from the inlet of the guide duct. Each of the second ribs has a height extending from the underside of the pulsator, which is smaller than a height of a top border of the inlet. The first and second ribs enable the washing water to flow smoothly into the inlet of the guide duct when the pulsator rotates. The pulsator and the rotating blades are prevented from being deformed by the presence of the ribs.

Abstract: In a clothes washing machine, washing water is caused to spurt upwardly from the center of a pulsator, so as to disperse laundry gathered above the center of the pulsator. A washing water spurting apparatus includes guide ducts mounted on an underside of the pulsator. Each guide duct has an upper case, a lower case, and a first assembling mechanism for easily assembling and detaching the upper case and the lower case to and from each other. There is also a second assembling mechanism for assembling the guide duct to the underside of the pulsator so that the guide duct can rotate together with the pulsator.

Abstract: Auxiliary washing device in a washing machine comprises a beam mounted on an upper side of an outer tub and extended to an inner space of a washing tub, and a washing bar supported at an extended end of the beam to be capable of swinging. The washing bar is swung upwardly by a motor and downwardly by a torsion spring. When electric power to the motor is stopped at the position in which the washing bar is swung upwardly by the motor, the washing bar swings downwardly by the torsion of the torsion bar to strike laundry in the washing tub. Thus, washing is enhanced by the impact to the laundry, and the laundry is stirred upwardly and downwardly. Therefore, inefficiency in the upper part of the washing tub due to the washing operation only by pulsator is prevented, and washing of all clothes is enhanced.

Abstract: A clothes washing machine includes a spin-dry tub and an oscillatory agitator disposed at the bottom of the tub. The agitator includes a centrally located vertical hole in which an axial fan is mounted. A drive mechanism oscillates the axial fan relative to the agitator about a vertical axis to generate an upward water jet that disperses the laundry in a manner preventing entwinement and entanglement thereof. The driving mechanism comprises a roller mounted on an underside of the agitator. The roller engages the bottom of the tub and is oscillated by frictional contact therewith during oscillation of the agitator. Oscillation of the roller is transmitted to the axial fan by a flexible shaft.

Abstract: An automatic washer having a wash tub in which a rotatable wash basket is disposed. A wash plate is rotatably mounted in the wash basket and is capable of independently rotating or co-rotating with respect to the wash basket. The wash plate has at least two ripples integrally formed in its surface whereby upon the rotation of the wash plate, any clothing in contact with the ripple will be directed vertically to impart mechanical energy to the clothing instead of carrying the clothing with the wash plate as it is rotated.

Abstract: A pulsator, which is installed in a washing tub of a washing machine, includes a base, a post protruded upwardly from a upper surface of the base, a plurality of blades extended radially with respect to the post and outwardly the base, and protruded upwardly on the upper surface of the base, and a plurality of vanes formed on a upper portion of the post, extended radially and outwardly with respect to the upper portion of the post. The plurality of blades develop a heart-type water flow in the washing tub, and the a plurality of vanes develop a water flow at a central portion of the heart-type water flow, thereby the twisting and tangling of the laundry caused by the heart-type water flow can be minimized.

Abstract: In a clothes basket having a pulsator apparatus, the pulsator apparatus comprises a first pulsator 20 disposed above a bottom portion of a clothes basket 2 and rotated by a motor 4, and a driving gear wheel 42 provided rotatably in the first pulsator 20. Like the rotation of the driving gear wheel 42, the second pulsator 30 meshed with the gear wheel 42 rotates. Further, a ring shape idle gear 46 for guiding the rotation of the driving gear wheel is provided on the bottom portion of the clothes basket 2.

Abstract: A clothes washer includes a wash tub in which an agitator is mounted. The agitator includes a blade member which oscillates clockwise and counterclockwise about a vertical axis, a reciprocable member which oscillates with the blade member while reciprocating up-and-down, and a shoe cleaning device mounted on the reciprocable member for oscillation and vertical reciprocation therewith. The shoe cleaning device includes a circular plate carrying a plurality of brushes.

Abstract: In a clothes basket having a pulsator apparatus, a pulsator apparatus comprises a driving pulsator 20 disposed above a bottom portion of a clothes basket 2 and rotated by a motor 4, and a plurality of driven pulsators 30 rotated by the rotation of the driving pulsator 20 around each axis 34E of respective support shafts 34 fixed on the side wall 36 of the clothes basket 2.

Abstract: A pulsator for a washing machine generates a vortex-type water current in a washing tub in order to wash washing articles. In the pulsator of a washing machine, a base plate is fixed to a shaft of the washing machine to be rotated according to a rotation of the shaft. A plurality of stirring blades are downwardly slanted from the center of the base plate to an outer periphery thereof in a sector form on a bottom surface of the base plate. The plurality of stirring blades define at least one concave collecting basing between adjacent stirring blades on the bottom surface of the base plate. The pulsator for a washing machine generates a vortex-type water current in a washing tub and evenly transmits a friction force generated by a washing water current to the washing articles in a state that a current of the washing water is not uniform inside the washing tub thereby minimizing the twist of washing articles and increasing washing efficiency.

Abstract: Disclosed is a pulsator of a washing machine. A rotating plate which rotates by a driving part, is provided. A plurality of vanes are radially positioned at a predetermined distance apart from each other on the rotating plate. An irregular water flow generating part rotatably mounted on the rotating plate, is provided for generating an irregular water flow. When the rotating plate rotates, the irregular water flow generating part rotates in the direction opposite to the rotational direction of the rotating plate to change a regular washing water flow generated by the plurality of vanes into an irregular water flow. The washing ability of the washing machine is improved and the tangling of clothing can be prevented. Further, the manufacturing cost of the washing machine can be reduced.

Abstract: An improved washing machine equipped with a pulsator to prevent entanglement of laundry capable of efficiently preventing entanglement of laundry by preventing clothes being washed from gathering at the central portion in the inner tub of the washing machine, which includes an upper blade having a upwardly extending ejection hole, the upwardly extending ejection hole being formed at a central portion of the upper blade; a lower blade disposed below the upper blade; an improved pulsator disposed between the upper blade and the lower blade for transferring a driving force from the lower blade to the upper blade and having a plurality of spaced-apart support bushings for forming a washing water flow path between the upper blade and the lower blade; and an inner tub having a washing water guide section formed at a periphery of the lower blade and the support bushings.

Abstract: Disclosed is a washing machine capable of enhancing washing effectiveness by generating a perpendicular-shaped waterflow. The washing machine has a washing tub for providing space to wash washing articles and a pulsator having a plurality of protrusions formed in a concentric periphery with the washing tub, and for forming a perpendicular-shaped waterflow in washing water by the rotation of the plurality of protrusions. The tangling of the washing articles in the center portion of washing tub is prevented, so that the washing effectiveness is enhanced. The washing effectiveness can be further enhanced because the washing articles strike the plurality of protrusions.

Abstract: A washing machine including an improved pulsator which generates highly turbulent water flow within the washing tub so as to enhance the washing capability of the machine while preventing laundry articles from getting tangled is disclosed. The washing machine according to the present invention includes a pulsator comprising a base mounted at an upper end of a power transmitting device and rotated by means of the power transmitting device and a plurality of vanes integrated with the base for generating a turbulent washing flow. Upper openings of the thruholes formed in one vane are opposite to upper openings of the thruholes formed in another vane adjacent to the one vane, and lower openings of the thruholes formed in the one vane are opposite to a lower openings of the thruholes formed in another vane adjacent to the one vane.

Abstract: A transmission for a washing machine includes a housing, an agitator shaft rotatably mounted to the housing, and an input shaft rotatably mounted to the housing. A one-way clutch connects the input shaft and the housing which permits relative rotation between the input shaft and the housing in a first direction and prevents relative rotation between the input shaft and the housing in a second direction. An agitation system connects the input shaft and the agitator shaft whereby rotation of the input shaft relative to the housing provides back-and-forth agitation of the agitator shaft. A one-way clutch ball bearing rotatably and axially supports the housing. The one-way clutch ball bearing is a sprag type-clutch which prevents rotation of the housing in the first direction and permits rotation of the housing in the second direction.

Abstract: A washplate deflector for an automatic washer having a wash basket and a moveable washplate positioned within the basket. The deflector is mounted to the periphery of the washplate and abuts the wash basket, preventing clothing disposed in the wash basket from being caught between the washplate and the wash basket.

Abstract: A washing machine with a compound pulsator has a bottom sub-pulsator mounted on the bottom of the washing tub which is revolvable on the revolving shaft, a top sub-pulsator mounted on an upper part of the revolving shaft which is revolvable on the revolving shaft, an intermediate sub-pulsator mounted coaxially with the revolving shaft between the bottom sub-pulsator and the top sub-pulsator which is revolvable on the revolving shaft. The compound pulsator has a revolution controlling part in which the bottom sub-pulsator and the top sub-pulsator are revolved by a predetermined degree simultaneously with revolution of the revolving shaft, and then the intermediate sub-pulsator is engaged with the bottom sub-pulsator and the top sub-pulsator to be revolved therewith. Thereby, the sub-pulsators are alternately revolved in same direction and different directions, so that laundry articles can be prevented from tangling and thus efficiency of washing is largely improved.

Abstract: A washing machine according to the present invention is a new washing machine which is compact and can realize uniform and good washing. The plane shape of a washing tub 211 is an approximately rectangular inner shape which is defined by a bottom 213, a pair of long side walls 214a and 214b, and a pair of short side walls 215a and 215b. A pulsator 212 is so provided on the one long side wall 214b out of the pair of long side walls that its center axis 219 is perpendicular to the long side wall 214b. The diameter A of a disk 220 of the pulsator 212 is so set that W<A. Further, a projection 221 of the pulsator 212 is a projection which is long in the radial direction of the disk 220, so that the height thereof from the surface of the disk 220 is large on the side of the circumference of the disk 220. In the washing machine, the pulsator 212 is increased in the efficiency of agitation of wash water and laundry in the washing tub 211 while being longitudinally arranged.

Abstract: An agitator is capable of efficiently agitating clothing without damaging fibers of the clothing. The agitator includes an agitating section having agitating pieces, which are capable of agitating clothes, or any other medium, and a driving mechanism for moving the agitating section. The driving mechanism moves the agitating section in a plane such that each agitating piece moves in a substantially identically shaped path.

Abstract: A washing machine having an impulse pulsator is disclosed. The washing machine has a pulsator assembly having a first pulsator rotating in the washing tub and the impulse pulsator assembled with the first pulsator. The first pulsator has a supporting bar being extended to the axis direction thereof, and the impulse pulsator has a cylinder part assembled with the supporting bar by insertion. On an outer surface of the cylinder part, many wings are disposed symmetrically to be centered with the axis. The first pulsator and the impulse pulsator are fixed with each other to be capable of relative rotation within a predetermined angular distance. When the motor begins to drive the pulsator assembly, the first pulsator begins to be rotated first, and after the rotation of the first pulsator at the predetermined angular distance, the impulse pulsator begins to be rotated by the first pulsator.

Abstract: A clothes washing machine includes a washing basket and an oscillating agitator disposed at a bottom of the washing basket. The agitator includes a plate having radial blades, and an upward guide fixed at a center of the plate. A reciprocable member is mounted on the guide for upward and downward movement relative thereto for preventing the clothes from becoming entwined. The guide includes a first screw thread which engages a second screw thread on the reciprocable member so that upward and downward forces are alternatively applied to the reciprocable member in response to relative rotation between the first and second screw threads, causing the reciprocable member to reciprocate up and down. The upward force terminates in response to a lower end of the second screw thread reaching an upper end of the first screw thread. The downward force terminates in response to an upper end of the second screw thread reaching a lower end of the first screw thread.

Abstract: A revolving shaft disposed at a bottom of a stationary tub has first axial grooves. A washing tub revolvable on the revolving shaft has a spiral guide groove formed at its lower inner surface. A pulsator is rotatably mounted on a bottom in the washing tub. The pulsator has guide projections which are formed on its outer side of the pulsator and guided along the guide groove of the washing tub, and has second axial grooves which are spline-engaged with the first axial grooves of the revolving shaft. A variable pulsator is disposed on the pulsator of the revolving shaft, and has third axial grooves spline-engaged with the first axial grooves and a compressed spring therein so that the bottom of the variable pulsator is tightly contacted with a top of the pulsator by its elasticity. When the revolving shaft is revolved, the bottom of the variable pulsator is moved up and down depending on the upward and downward movement of the pulsator, so that the variable pulsator is expanded and shrunk in width.

Abstract: An outer pulsator mounted on a bottom of a washing tub has a hollow protruding part protruded upwardly at a center thereof and a bottom plate extended radially from a lower skirt of the protruding part. An inner pulsator is installed inside of the protruding part. A gear part has an inner gear formed under the inner pulsator, an internal gear formed under the outer pulsator, and an intermediate gear engaged between the inner gear and the internal gear. When the inner gear is rotated by the driving motor, the internal gear is rotated in a reverse direction to a rotating direction of the inner gear by intermediate gear therebetween. A current generated by the inner pulsator goes through communication holes of the protruding part of the outer pulsator and then breaks a reverse current generated by the outer pulsator, so that laundry articles are prevented from tangling and twisting. Therefore, laundry articles are washed by being beaten with random and irregular water currents without damage.

Abstract: A washing machine is disclosed which applies direct impulses to laundry. The washing machine includes a cam, a plurality of horizontal movement parts, and a plurality of vertical movement parts. The cam is fixedly inserted into the shaft of the speed-reducing gear assembly between the pulsator and the speed-reducing gear assembly, and rotated according to the rotation of the shaft. The cam has the outer circumference on which concavities and convexities are alternately formed. The plurality of horizontal movement parts are slidably contacted with the outer circumference to thereby be reciprocated in the left and right directions according to the concavities and the convexities. The plurality of vertical movement parts are connected to the plurality of horizontal movement parts respectively. Each of the plurality of vertical movement parts moves up and down in the vertical direction according to the left and right reciprocal movements of each of the plurality of horizontal movement parts.

Abstract: Disclosed is a pulsator assembly for a washing machine. The pulsator assembly comprises a pulsator rocking in right, left, up and down directions while rotating forwards or in reverse according to a forward or revere rotation force and a connecting member engaging the pulsator with a shaft while freely moving the pulsator. The free rocking movements of the pulsator prevent the pulsator from being damaged due to a overload of laundry articles and create a vortex water current to increase a cleaning efficiency as well as to decrease the tangling of the laundry articles.

Abstract: Disclosed is a pulsator for a washing machine capable of preventing generation of a concentric waterflow such as a heart-type waterflow. The pulsator includes a base plate fixed to the shaft housing, a plurality of plate-shaped wings radially fixed to the upper surface of the base plate and for forming a concentric waterflow in the washing water, a plurality of cover plates fixed on the multi-stepped edges of the plurality of plate-shaped wings, a plurality of protrusions radially and in a certain length formed on the upper surface of each of the plurality of cover plates and for generating a waterflow of the washing water vertically oriented toward the top of the washing tub by being rotated according to the rotation of the base plat.

Abstract: An agitator assembly for a fabric washer includes an agitator body having an elongated agitator barrel and a plurality of vanes extending radially outwardly from one end of the agitator barrel. An auger tube is telescopically mounted over the agitator barrel and includes a helical flighting on its outer surface. A bearing assembly is located between the outer surface of the agitator barrel and the inner surface of the auger tube, and holds the inner auger tube surface free from contact with the outer agitator barrel while at the same time permitting relative rotational movement between the auger tube and the agitator body. A ratchet clutch assembly is provided for permitting the auger tube to rotate only in one direction with respect to the agitator. The ratchet clutch assembly includes a circular array of ratchet teeth, and a plurality of ball bearings resting upon the ratchet teeth. The ball bearings move vertically in vertical tracks.

Abstract: A washing pulsator of a washing machine being provided with wings includes a cam assembly installed being movable up and down above an upper center portion; a plurality of current-forming ribs formed at an outer circumference of the cam assembly and being radially protruded toward the outer circumference from the center of an upper surface of the washing pulsator; a plurality of auxiliary rib, each of which is formed between the current-forming rib and radially protruded being shorter than the current-forming rib; and a rotating shaft installation aperture formed in front of the end tip of each of the auxiliary rib, the rotation current washing wings being installed to be capable of being inserted and detached in and from the rotating shaft installation aperture, thereby reducing textile entanglement and improving washing effect.

Abstract: Described is a washer having a driving unit which is installed at the lower portion of a rotation axis and rotates the rotation axis, a feed unit which is axially connected to the rotation axis and moves up and down as the rotation axis rotates, and a wash plate which is fixedly installed at the upper portion of the feed unit and has an up-and-down motion as the rotation axis rotates. An up-and-down motion of the wash plate enables even distribution of a heart-type water flow, which then contributes to the prevention of tangling of wash articles at the central portion of a wash tub as well as clinging of wash articles to a pulsator. By using a washer of the present invention, increased washing efficiency can be expected.

Abstract: A clothes washing machine includes a water container, a washing basket rotatably mounted in the water container, and an agitator oscillatable at a bottom of the washing basket. The agitator includes a pulsator plate oscillatable about an axis, and a pulsator rod composed of telescoping members mounted at a center of the pulsator plate for upward extension and downward retraction along the axis during the oscillation of the pulsator plate. The pulsator rod is driven by an inertia body mounted on the pulsator plate such that rotation of the pulsator plate relative to the inertia body in one direction causes the pulsator rod to be retracted downwardly. A spring extends the pulsator rod upwardly during rotation of the pulsator plate in the opposite direction.

Abstract: An improved agitator construction is provided for an automatic clothes washing machine in which a surface or contour of a vane carried on a portion of the agitator which is intermittently rotated in a single direction is shaped to enhance engagement between the vane and the items being washed and to retard the items from moving at least one of radially and upwardly relative to the agitator. The vane, which may be a helical vane, may be provided with a lower surface angled downwardly and outwardly in a radial direction, or may be provided with one or more steps having a relatively steep sloped wall facing in a direction leading away from the direction of rotation of the agitator and a relatively shallow sloped wall facing in a direction leading toward the direction of rotation of the agitator, or both shapes.

Abstract: An automatic washer includes an elongated shaft mounted to a motor for rotation about the longitudinal axis of the shaft. A fabric basket is rotatably mounted to the shaft and an agitator is attached to the shaft above the fabric basket. A clutch is positioned between the agitator and the fabric basket and is movable from a disengaged position wherein the agitator rotates independently of the basket to an engaged position wherein the agitator rotates in unison with the basket. The clutch is movable from its engaged position to its disengaged position in response to the rise of washing fluid within the washing basket.