US3280604A - Tumbler type clothes-washing machine - Google Patents

Tumbler type clothes-washing machine Download PDF

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Publication number
US3280604A
US3280604A US362717A US36271764A US3280604A US 3280604 A US3280604 A US 3280604A US 362717 A US362717 A US 362717A US 36271764 A US36271764 A US 36271764A US 3280604 A US3280604 A US 3280604A
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Prior art keywords
drum
frame
washing
body portion
rollers
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Expired - Lifetime
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US362717A
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English (en)
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Panker Bent
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Individual
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F21/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement 
    • D06F21/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement  about a horizontal axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis

Definitions

  • This invention is concerned with a motor-driven domestic machine, especially a clothes-washing machine, comprising a rotary working drum, which has a detachable cover and which is detachably mounted with a wholly or su'bstantially horizontal axis of rotation and supported on supporting rollers journaled in a frame, of which rollers at least one is a drive roller.
  • This invention has amongst other things for its object to provide a machine of the said type which can be produced in a particularly simple and economical way, and which is easy t-o operate and economic in service.
  • the drum and its cover are made of heat-resistant plastic, and the body of the drum is substantially cylindrical with a diameter mainly equal to its length.
  • the prescribed design and dimensioning of the drum as well as the use of plastic as ⁇ the material for the components mentioned above are important in that during a washing operation the drum is only subjected to a small heat loss and that, consequently, it can operate with a relatively small amount of washing lye.
  • the drums made of metal it has been necessary to to give the drum a rather large diameter in order that it may contain an adequate amount of lye which will not -be cooled too quickly during the washing process whereby the washing effect would be reduced.
  • the great diameter of the drum implies in the prior art machines that it must have a relatively low rate of revolution and, consequently, complicated and expensive transmissions will have to be used between the motor and the drum to ensure the required low number of revolutions.
  • the machine according to the invention may require only a simple 'belt or chain transmission between the motor and the drive rollers of the drum whereby the price of manufacture of the machine can be kept so low that the purchase thereof will lie within the means of almost anybody.
  • FIG. l is an elevation of an embodiment of a machine according to the invention and comprising a drum especially designed for clothes-washing
  • FIG. 2 is an inverted plan view of the machine illustrated in FIG. l where the base plate, not otherwise shown, of the machine has been removed,
  • FIG. 3 is a longitudinal section through a washing drum of modified construction
  • FIG. 4 is a section taken on line IV-IV in FIG. 3, and
  • FIG. 5 is a section on a larger scale of a preferred embodiment of the drive rollers of the machine.
  • the machine shown in FIGS. l and 2 consists of a frame or housing 1 and a drum 2.
  • the drum 2 has a cylindrical or slightly conical body portion 2a, a conical shoulder portion 2b, and an externally threaded neck 2c, the outer end of which is open.
  • the drum is provided with two cylindrical running surfaces 3 which in the embodiment shown have a diameter slightly greater than that of the body portion of the drum.
  • the drum By means of its runing surfaces 3 the drum is supported on four supporting7 rollers 4, of which two are secured to a shaft 5 journaled in the machine frame 1 and connected with the drive motor of the machine.
  • the two other rollers 4 are freely rotatable supporting rollers.
  • the running surfaces 3 are preferably knurled, and the rollers 4 are made of, or consist at least on their surfaces engaging the running surfaces 3, of a material having a suitably high friction.
  • the front part 1a of the frame or housing 1, wherein the shaft 5 and the two s-upporting rollers 4 are mounted, is at the top closed by means of a transverse wall 1b rounded to conform with the shape of the drum 2, in which wall there are four cut-outs, not shown, for the rollers 4 whereby the drum is supported by said rollers without contacting the frame.
  • the rear part 1c of the frame 1 is shaped as a hood which supports and covers the electric drive motor 6 of the machine, said motor being mounted on a transversally extending plate 36, see FIG. 2, which in turn is secured to the frame.
  • a stirrup-shaped handle 7 by means of which the frame can 4be lifted and conveyed, is secured to the upper side of the frame 1.
  • a stop member 30 for the drum To the front end of the handle 7 there is secured a stop member 30 for the drum, the axis of which has a slight rearwardlydirected inclination so that the bottom of the drum rests against the stop member.
  • This stop member may for example by a polished slightly curved metal plate or knob or a rotatable roller or ball so that the friction between the bottom of the drum and the stop member is small.
  • a wearing ring 35 of, for example, nylon is embedded in the bottom of the drum for engaging stop member 30.
  • the shaft 5 is driven from the motor 6 through a belt drive, a pulley 9 being secured to the motor shaft 8, and a belt ttl, preferably a toothed belt, connects the groove of the pulley 9 with a pulley 11 on the shaft S.
  • each roller '4 the shaft 5 is journaled in a bearing 31 secured to the frame 1, lso that the shaft is safely supported and prevented from vibrating.
  • the shaft is divided into two halves which are connected by means of a short elastic coupling 32 of for example rubber or nylon, said coupling operating as a universal joint.
  • the two nondriving supporting rollers 4 are similarly journaled in bearings 31 secured to the frame 1.
  • the drum 2 is slightly conical so that the running surface 3 closest to the neck portion has a slightly greater diameter than the running surface at the bottom of the drum.
  • the shaft 5 forms a small angle with the axis of the two nondiiving supporting rollers 4. If both pairs of rollers 4 were driven by the motor 6, the latter could be so disposed t'hat the center line of its shaft 8 halves the angle between the two driven shafts which would red-nce the wear on the two belts resulting from the disalignment between said shafts.
  • the drum 2 l in its body portion 2a, the drum 2 lis provided with longitudinally extending internal beads 20 which are integral with the drum wall.
  • the beads which operate as carriers for the laundry loaded into the drum Vhave two inwardly extending inclined side faces 21 which in a cross section at right angles to the drum axis form an angle of about with one another.
  • the internal longitudinal extending edge of the beads between the two side walls 21 are in longitudinal section of wave form with wave lcrests 22 and wave troughs 23. IDu-ring rotation of the drum the troughs 23 operate as channels which ensure circulation of washing lye about the outer side of the laundry engaging the drum Wall and bead edge.
  • the drum could also be provided with a plurality of small ribs or tins of correspondingly smaller depth.
  • the drum 12 shown in FIGS. 3 and 4 is mainly designed as t-he drum 2 shown in FIG. 1, i.e. with a slightly conicalbody portion 12a, a shoulder portion 12b and a l cylindrical neck portion 12C and two running surfaces 13,
  • the drum Whilst the drum 2 shown in FIG. 1 is intendedduring operationto be closed by means of a screwed-on cover, not shown, the drum 12 is closed by or clamp 15 swingably connected with the drum is pressed against the edge of the dr-um opening in the neck portion 12C.
  • a widened portion 17 at the middle of the clamp 15 is hollow and contains aspring-loaded thrust pad 1S whic-h protrndes from the widened portion 17 so that the spring keeps the pad pressed against the center of the cover 14 with a suitable constant force. In so doing, the -cover is pressed against the mouth of the drum neck.
  • the widened portion 17 may be shaped as a handle.
  • the clamp 15 swings on two pins 19 rotatable in the l neck portion 12e ⁇ and se-cured to the clamp.
  • the pins 19 may be protected against unintentional withdrawal from t-he drum neck, for example by means of a transverse pin or the like which engages a circumferential groove in the pin 19.
  • the clamp 15 will, on being swung aside away from the yposition shown in FIG. 3, withdraw from the surface of the cover whereby the spring pressure exerted on the thrust pad 18 decreases.
  • the thrust pad in its swungout position the thrust pad can go quite clear of any bead on the edge of the cover, as shown in FIG. 3, and in its swung-up locking position it can extend closely to the cove-r.
  • the drum 12 is prov-ided wit-h four internal beads' or ribs 33 which extend radially from the drum wall in the body portion 12a thereof towards the axis of the drum.
  • the bead-s extend in the embodiment s-hown from the upper end of the body portion 12a near the running surface 13 down to the bottom 34 of the drum and through a rounded portion merge evenly into t-he bottom.
  • the beads 33 operate as carriers for laundry loaded into the drum.
  • the embodiment of the beads shown in FIGS. 3 and 4 is particularly expedient when the drum is produced by injection molding and in two parts, namely the bottom portion and the neckportion with theshoulder portion, respectively.
  • the number and theshape of the beads may differ from those shown, and similar beads may also be provided on the shoulder portion of the drum.
  • the drum and the cover are preferably made of plastic which is heat-resistant, i.e. stands temperatures of 100 C. or above.
  • mate-rials are for example polypropylene or ABS (an acrylonitrile-butadiene-styrene copolymer).
  • the drum may be produced in any suitable manner, for example by injection molding or by blowing, if desired.
  • the cover and/or the drum, or at least part thereof, may expediently be made of a transpa-rent material so as to atord the possibility of watching the washing process from lthe outside.
  • the drum may, as stated above, be made of two parts, namely a body portion and a neck portion with the associated shoulder portion, respectively.
  • the two portions and, if desired, also the cover may be of different colors, or one portion may be transparent, so that the progress of the washing j a hemispherical cover 14 which by means of a handle f process may be robserved from the outside,fand another portion may be opaque.
  • the -body portion of the drum may be smooth, and a web or shell of perforated plate, for example metal plate, may be secured slightly spaced from the inner side of the drum wall, whereby a liquid space is provided between the shell and the drum wall.
  • a web or shell of perforated plate for example metal plate
  • the internal shell may be designed in an analogous manner according to the purpose of application. For example in the case of a potato peeling machine it may be provided with knife members.
  • FIG. 5 shows a preferred 'embodiment of the supporting and driving rollers 4 purely diag-rammatically shown in FIGS. l and 2.
  • the roller shown in FIG. 5 which is secured to a shaft 5, consists of a body 41 which for example may ⁇ be produced by injection molding of a suitable plastic.
  • the body 41 is secured to the shaft 5 by means of a cotter pin 42.
  • the roller body 41 is provided with three circumferential grooves 43 interspaced Ialong the length of the roller.
  • a wearing ring 44 of polyurethane is secured in each of the grooves with the cylindrical surface of the ring projecting from the surface -of the roller body 41 so that the surfaces of the three rings 44 constitute the wearing face of the roller in contact With the corresponding running surface on the drum of the machine.
  • One or more, for example three, pins 45 have Ibeen driven axially through the roller body 41 and the wearing rings 44 so as t-o-retain the rings in their grooves 43.
  • the rings 44 of polyurethane have ⁇ proved to have extremely good wear-resistance in conjunction with the knurled running surfaces of the drum, and it is consequently possible to give the rings a comparatively small diameter and thereby ensure a good gearing ratio between the shaft 5 and the drum.
  • the invention is not limited to the embodiments herev shown and described which may be varied in a multitude Iof ways withi-n the scope of the invention. It is also possible to apply the invention to machines for purposes other than clothes-washing, for example, as mentioned, for peeling potatoes and other fruits, for churning butter, or for mixing different solidV and liquid substances.
  • the drum is supported on supporting rollers, of which only some are driven rollers, but if required it would b'e possible, as mentionedvabove to let all these rollers be -driven rollers. It would also be possible to support the drum on only two supporting rollers in combination with a journal bearing at the center of its bottom. This journal bearing might be in the shape of a drive member so that the drum can be driven therethrough.
  • the machi-ne according to the invention is particularly suitable for doing small loads, i.e., that it preferably has a capacity of 11.5 kg. of dry clothes.
  • the structure of the machine renders a particularly simplified and economical manufacture possible. It differs from the conventional drum washing machines i-n that it does not consist lof a container with ly'e and a perforated drum rotatable therein for the reception of the laundry but only a closed drum which contains both the laundry and the lye.
  • Previously such machines have been suggested comprising a single drum, but in these machines the drum is made of metal.
  • the drum and the drive motor including the transmission have in some cases been built together to form an integral structure, whilst in other prior art machines the driving unit is very complicated because the number of revolutions of the drum is relatively small whi-ch involves different disadvantages which have been overcome through this invention.
  • the machines for use particularly in washing small loads comprised no arrangements for heating the lye du-ring the washing operation proper, and the machines made of metal will therefore quickly be cooled so that the washing property of th'e lye will be deteriorated.
  • the prior art machines wherein the washing drum and the drive unit are built together to form an entity are moreover not handy and practical to operate and store.
  • the drum is a separate machine part without fixed connection with the drive unit of the machine, and the drum, if desired, can be stored separately in a vertical position.
  • the provision for a handle at one end of the drum makes it possible to conv'ey the drum in an especially easy manner, also when it is wholly or substantially full. It is easy to lift the drum from the frame or base portion in that one hand can readily get hold of the slightly inwardly curved bottom of the drum, whilst the other hand may lift the drum, for example by means of the -above mentioned handle.
  • the handle as shown in FIG.
  • the cover 3 is disposed almost directly along the outer side of the cover, when the drum is closed, the risk of accidents by a finger or a part of the garment, for example a sleeve, bei-ng jammed betw'een the cover and the handle is avoided.
  • the hemispherical shape of the cover effectively counteracts the possibility of the laundry loaded into the drum getting into contact with the innerside of the cover which, if so, would ⁇ be scratched by for example buttons, safety pins, etc., in the clothes.
  • the slightly rearwardly inclined position of the drum also contributes thereto.
  • plastic as a material for the drum remedies the above mentioned drawbacks arising from the quickly decreasing temperature ofthe lye in the prior art machines comprising a metal drum.
  • the plastic is possessed of considerable heat-insulating properties and consequently affords the possibility of attaining satisfactory washing results without using a built-in heating arrangement in the machine, and this feature makes it possible to manufacture the machine at very low costs.
  • the size and dimensioning conditions of the drum and the design Ithereof with an opening at one end bottom makes it especially expedient to produce the drum of plastic.
  • a drum having a diameter of about 300 mm. is applicable, and it is, therefore, possible to use such large number of revolutions for the drum that a simple belt or chain drive may be used l as power transmission between the motor and the drive rollers.
  • rollers having wearing faces of polyurethane which has proved to have particularly great wear-resistance when cooperating with embossed grooves in the surface of the drum, it will become possible to make the rollers with a small diameter so that even with the small drum diameter, a large gearing ratio between the rollers and the drum is attained.
  • the safety arrangement for the cover of the drum affords the possibility of the drum being brought into rotation in an expedient manner.
  • a drive member for the drum it would also be possible to use a single roller which is so disposed as to engage lthe bottom of the drum and rotate the same by friction under the inuence of the weight of the drum and the load thereof, and at the same time the roller will operate as an end stop for the displacement of the drum in the axial direction.
  • a single-drum clothes washing machine comprising a frame, a driving motor mounted on said frame and including a drive shaft, a plurality of supporting rollers rotatably supported in said frame with substantially horizontal axes, speed reduction gears means mounted on said frame and connecting said drive shaft with at least one of said supporting rollers, an imperforate washing drum detachably supported by said supporting rollers, said washing drum comprising a substantially cylindrical body portion the diameter and length of which are substantially equal, said body portion being closed at one end, a neck portion integrally connected to said ⁇ body portion opposite the closed end thereof and having an axially facing opening at its end opposite said body portion, a cover for said opening and means secured to said neck portion for detachably clamping said cover against the end of said neck portion to close the opening therein, said body and neck portions and said cover being made of heat-resistant plastic material.
  • a washing machine as claimed in claim 1 in which said supporting rollers comprise wear elements for engaging the outer lateral wall of said drum body portion, said wear elements being made of polyurethane.
  • rollers comprise a body journaled in said frame and provided with plurality of circumferential annular grooves, and said wear elements are shaped as separate rings of polyurethane held within said grooves and projecting from the circumference of said roller body.
  • a washing machine as claimed in clairn 6 wherein said frame comprises a front portion including bearing means for said supporting rollers and a transverse upper wall having yapertures therein for said rollers, and a Irear portion contiguous with said fron-t portion and projecting above said portion in the form of a hood, means for 7 supporting said drive motor below said hood, said stop means for the drum body portion being provided on the outer side of said hood.
  • a Washing machine as claimed in claim 1 in which said drum body portion is slightly ltapered, and said supporting rollers are arranged in pairs each having a a, common axis of rotation, said axes of rotation including Y a small angle between them.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Rolls And Other Rotary Bodies (AREA)
US362717A 1963-05-02 1964-04-27 Tumbler type clothes-washing machine Expired - Lifetime US3280604A (en)

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Application Number Priority Date Filing Date Title
DK207563 1963-05-02

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US3280604A true US3280604A (en) 1966-10-25

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US362717A Expired - Lifetime US3280604A (en) 1963-05-02 1964-04-27 Tumbler type clothes-washing machine

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US (1) US3280604A (enrdf_load_stackoverflow)
AT (1) AT259494B (enrdf_load_stackoverflow)
BE (1) BE647201A (enrdf_load_stackoverflow)
CH (1) CH437186A (enrdf_load_stackoverflow)
DE (1) DE1485080A1 (enrdf_load_stackoverflow)
FR (1) FR1390891A (enrdf_load_stackoverflow)
GB (1) GB1046003A (enrdf_load_stackoverflow)
NL (1) NL6404886A (enrdf_load_stackoverflow)
NO (1) NO119526B (enrdf_load_stackoverflow)
SE (1) SE311131B (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664161A (en) * 1970-10-06 1972-05-23 Canada Barrels & Kegs Ltd Fiberglass processing tank
US4252005A (en) * 1979-12-26 1981-02-24 General Electric Company Symmetrical opposed motion basket for an orbital clothes washer
US20020145938A1 (en) * 2001-04-05 2002-10-10 Umeda Industry Co., Ltd. Agitating and mixing device
EP1178146A3 (de) * 2000-08-05 2003-02-05 Gerhard Paschetag Waschvorrichtung
WO2009030637A1 (en) * 2007-09-03 2009-03-12 Arcelik Anonim Sirketi A dryer
US7661203B2 (en) * 2006-07-06 2010-02-16 Candy S.P.A. Basket for washing machine, washer-dryer, and the like
US20190145025A1 (en) * 2016-05-13 2019-05-16 Rieter Ingolstadt Gmbh Spinning Rotor for an Open-End Spinning Machine having a Friction-Enhancing Lining Made of an Elastomeric Material, and Open-End Spinning Machine
USD1012388S1 (en) * 2022-01-11 2024-01-23 Mary Thomas Washing machine for clothes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2030591C3 (de) * 1970-06-20 1985-02-07 Alois 5202 Hennef Müller Anlage mit einer mechanisch beschickbaren und entleerbaren Zentrifuge
NL8700715A (nl) * 1987-03-26 1988-10-17 Frank Maria Peter Lambrechts Inrichting voor het behandelen van textiel.
DE102010031267A1 (de) * 2010-07-13 2012-01-19 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit einer Trommel

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US166579A (en) * 1875-08-10 Improvement in washing-machines
US567446A (en) * 1896-09-08 Charles m
US732913A (en) * 1903-03-31 1903-07-07 Peter N Andresen Washing-machine.
US756856A (en) * 1901-12-21 1904-04-12 Jerry G Hoffken Washing-machine.
US1254252A (en) * 1916-08-07 1918-01-22 Lawrence W Mammen Cylinder for washing-machines.
US1977649A (en) * 1930-07-31 1934-10-23 Minnie E Sharp Cleaning machine
US2180225A (en) * 1935-04-15 1939-11-14 Baker Perkins Ltd Laundry machine
US2332769A (en) * 1940-06-29 1943-10-26 Prosperity Co Inc Washing machine
US2410323A (en) * 1945-03-14 1946-10-29 Bacwell Entpr Inc Clothes cleaning device
US2445593A (en) * 1946-04-19 1948-07-20 Prosperity Co Inc Outer and inner cylindrical drum supporting base and actuating mechanism assembly for washing machines
US2620088A (en) * 1948-11-16 1952-12-02 Moderna Kok Ab Pressure type boiler or cooker
US3146557A (en) * 1963-02-04 1964-09-01 Smith Edward Earl Polishing and tumbling machines and barrels therefor

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US166579A (en) * 1875-08-10 Improvement in washing-machines
US567446A (en) * 1896-09-08 Charles m
US756856A (en) * 1901-12-21 1904-04-12 Jerry G Hoffken Washing-machine.
US732913A (en) * 1903-03-31 1903-07-07 Peter N Andresen Washing-machine.
US1254252A (en) * 1916-08-07 1918-01-22 Lawrence W Mammen Cylinder for washing-machines.
US1977649A (en) * 1930-07-31 1934-10-23 Minnie E Sharp Cleaning machine
US2180225A (en) * 1935-04-15 1939-11-14 Baker Perkins Ltd Laundry machine
US2332769A (en) * 1940-06-29 1943-10-26 Prosperity Co Inc Washing machine
US2410323A (en) * 1945-03-14 1946-10-29 Bacwell Entpr Inc Clothes cleaning device
US2445593A (en) * 1946-04-19 1948-07-20 Prosperity Co Inc Outer and inner cylindrical drum supporting base and actuating mechanism assembly for washing machines
US2620088A (en) * 1948-11-16 1952-12-02 Moderna Kok Ab Pressure type boiler or cooker
US3146557A (en) * 1963-02-04 1964-09-01 Smith Edward Earl Polishing and tumbling machines and barrels therefor

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664161A (en) * 1970-10-06 1972-05-23 Canada Barrels & Kegs Ltd Fiberglass processing tank
US4252005A (en) * 1979-12-26 1981-02-24 General Electric Company Symmetrical opposed motion basket for an orbital clothes washer
EP1178146A3 (de) * 2000-08-05 2003-02-05 Gerhard Paschetag Waschvorrichtung
US20020145938A1 (en) * 2001-04-05 2002-10-10 Umeda Industry Co., Ltd. Agitating and mixing device
US6910801B2 (en) * 2001-04-05 2005-06-28 Umeda Industry Co., Ltd. Agitating and mixing device
US7661203B2 (en) * 2006-07-06 2010-02-16 Candy S.P.A. Basket for washing machine, washer-dryer, and the like
WO2009030637A1 (en) * 2007-09-03 2009-03-12 Arcelik Anonim Sirketi A dryer
US20110010959A1 (en) * 2007-09-03 2011-01-20 Arcelik Anonim Strketi dryer
US8869427B2 (en) 2007-09-03 2014-10-28 Ertan Cetinkaya Dryer
US20190145025A1 (en) * 2016-05-13 2019-05-16 Rieter Ingolstadt Gmbh Spinning Rotor for an Open-End Spinning Machine having a Friction-Enhancing Lining Made of an Elastomeric Material, and Open-End Spinning Machine
USD1012388S1 (en) * 2022-01-11 2024-01-23 Mary Thomas Washing machine for clothes

Also Published As

Publication number Publication date
NL6404886A (enrdf_load_stackoverflow) 1964-11-03
GB1046003A (enrdf_load_stackoverflow) 1966-10-19
SE311131B (enrdf_load_stackoverflow) 1969-06-02
DE1485080A1 (de) 1969-05-14
FR1390891A (fr) 1965-02-26
AT259494B (de) 1968-01-10
NO119526B (enrdf_load_stackoverflow) 1970-06-01
BE647201A (enrdf_load_stackoverflow) 1964-10-28
CH437186A (de) 1967-06-15

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