US3406543A - Washing machines, notably laundry machines - Google Patents

Washing machines, notably laundry machines Download PDF

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Publication number
US3406543A
US3406543A US610628A US61062867A US3406543A US 3406543 A US3406543 A US 3406543A US 610628 A US610628 A US 610628A US 61062867 A US61062867 A US 61062867A US 3406543 A US3406543 A US 3406543A
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United States
Prior art keywords
vat
wheel
shaft
machine
motor
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Expired - Lifetime
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US610628A
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English (en)
Inventor
Trouilhet Maurice Mari Achille
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CALOR APP ELECTRO DOMESTIQUES
CALOR APPAREILS ELECTRO-DOMESTIQUES
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CALOR APP ELECTRO DOMESTIQUES
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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
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid

Definitions

  • the present invention essentially relates to a washing machine, notably for linen, of the type comprising a vat containing the linen, said vat having disposed in the vicinity of its bottom and rotatably driven for relatively slow rotation a wheel constituting a large-diameter turbine .which extends over the greater part of the vat bottom
  • the present invention has essentially for its object a washing machine, notably for linen, which is of a very novel design and of very simple and economical construction.
  • a washing machine according to this invention departs considerably from these known types of washing machines.
  • a washing machine comprises a vat containing the linen to be washed, a turbineforming wheel of relatively large diameter disposed near the bottom of said vat and rotatably driven at a relatively low speed, said wheel covering nearly the whole of the bottom surface of said vat and revolving in a substantially horizontal plane, this machine being characterised in that said wheel is rotatably mounted on a pivot pin journalled in a bearing rigid with a detachable supporting plate anchored to the vat bottom by means of lugs and ribs or the like, said wheel being rotatably driven through a train of gears or the like from a substantially vertical drive shaft dipping into the vat, the upper end of said shaft emerging from the top portion of said vat and being drivingly connected to the shaft of an electric driving motor.
  • the aforesaid electric driving motor is housed in a case of which the top constitutes at least one portion of the lid of the machine, this case resting upon and fitting on the upper edge of the vat; a stub shaft of the driving motor or of a lay-shaft of a reduction gearing driven from said motor, emerges from the lower portion of said case and comprises a coupling member coacting with a corresponding coupling member provided at the upper end of the aforesaid driving shaft.
  • the aforesaid case and the motor enclosed therein are removed from the top of the machine and placed upside down in another portion of the vat where at least the greater part of this driving unit is housed in the vat. Under these condition the overall dimensions of the machine are greatly reduced.
  • a pipe is provided in the bottom of the vat and leads to the outside; this pipe is connected for example to a flexible hose and permits of filling and draining the vat; these filling and draining operations are thus accomplished from the bottom of the vat without requiring any cock or stop valve, the valve effect being obtained by simply raising the flexible hose for example against the vat and securing this hose thereagainst by means of a clamp or the like.
  • the rinsing action is particularly satisfactory since it can be effected continuously by supplying clear water to the bottom of the vat and draining off the used water from the top.
  • the plane comprising the top edge of the vat is somewhat inclined with respect to the horizontal plane normally supporting the vat during the operation of the machine.
  • the vat and the greater part of the component elements of the machine are made of synthetic moulded materials such as thermoplastic injection materials for example of the polyamid or polyolefin types.
  • FIGURE 1 shows a complete elevational view with parts broken away of a washing machine according to this invention
  • FIGURE 2 is a sectional view of the machine shown in FIGURE 1, this section being taken substantially upon the line IIII of FIGURE 1;
  • FIGURE 3 is an elevational view with parts broken away in a plane substantially parallel to the sectional plane of FIGURE 2, the machine driving motor being shown in its stowed or inoperative position;
  • FIGURE 4 is a plan view from above of the machine of whichthe driving motor and'the top lid have been removed;
  • FIGURE 5 is a perspective view of the stirring wheel used in this machine
  • FIGURE 6 is a perspective view with parts broken away showing a detail of the mutual engagement between the top portion of the motor case and a plate constitut- FIGURE 7 is a detail view with parts broken away showing the rotary mounting of the stirring wheel;
  • FIGURE 8 is a section taken upon the line VIIIVIII of FIGURE 7;
  • FIGURE 9 shows a detail of a modified form of embodiment of the coacting coupling members of the driving motor shaft, and of the shaft for rotatably driving the stirring wheel.
  • a machine according to this invention comprises essentially a vat 1 having in horizontal crosssection a substantially rectangular configuration with rounded corners, asshown more particularly in FIGURE 4.
  • This vat is made of any suitable material such as moulded synthetic material, such as injection thermoplastic material for example of the polyamid or polyolefin type.
  • the vat 1 comprises on its underface a projecting rib 2 providing a supporting plane for the vat so that the latter can be laid upon a plane surface, for example the bottom of a sink. 7
  • a spoked wheel 3 mounted in close vicinity of the bottom of this vat is a spoked wheel 3 illustrated more in detail in FIGURE this wheel is rotatably mounted about its pivot pin 4 on a support 5 adequately secured to the vat bottom.
  • This wheel 3 comprises for example on its lower face a circular set of teeth 6 for driving the wheel by means of a pinion 7 rigid with a driving shaft 8.
  • This shaft 8 has its lower end trunnioned in a bearing 9 formed in the member 5 also acting as a bearing to the pivot pin 4 of wheel 3.
  • the shaft 8 is rotatably driven by a free end 10a of the shaft 10 of an electric driving motor 11.
  • This driving motor 11 is mounted in a case 12 formed at its lower portion with a groove 13 of concave configuration, corresponding in shape to and adapted to engage at least one portion of, the top convex edge 14 of vat 1.
  • the vat At its lower portion the vat comprises a pipe 15 leading to the outside and connected to a flexible hose 16.
  • This hose 16 comprises in the vicinity of its free end a clamp 17 whereby the hose can be attached in an upper position to the top edge 14 of vat 1 for example with the assistance of a ring 18 provided to this end at the top of the vat 1.
  • the shaft 8 is driven from the shaft 10 of motor 11 by simply providing coupling means of the male splined type on the end portion 10a of shaft 10 and a corresponding female splined sleeve (visible notably in FIGURE 4) at the corresponding upper end of shaft 8.
  • the member 5 supporting the wheel 3 is simply detachably fastened to the bottom of vat 1 for example under a rib 19 provided to this end in the vicinity of the bottom of said vat, and also to a member 20 constituting a fitting plug welded or otherwise fastened to the bottom of said vat. Therefore, the member 5 is detachable like all the essential component elements of the machine.
  • pivot pin 4 of wheel 3 in the corresponding bearing 21 of support 5 is particularly simple, as evidenced for example in FIGURES 7 and 8, by means of a lock or spring washer 22 fitting in a grooved portion 23 of pivot pin 4.
  • a protection partition 24 of a shape visible more particularly in FIGURES 2 and 4 isolates the shaft 8 from the main chamber 25 of the vat in which the washing operation proper is to be carried out.
  • This partition 24 also carries at its lower portion a small projection or lip 26 somewhat overlapping the wheel 3 in the portion thereof driven by the pinion 7.
  • the case 12 of motor 11 comprises on one side a projecting ledge 27 visible more particularly in FIGURE 6, engageable by one end of a half-lid 28 adapted in conjuction with said case 12 to close completely the top surface of the vat, as shown in FIGURE 2.
  • This half-lid 28 may be provided to this end with teeth or cut-off portions f; i. 29 engageable in corresponding notches or indentations 30 of the portion 27 of case 12.
  • the casing 12 comprises of course partition means preventing the water contained in the vat 1 from penetrating into the compartment housing the motor 11.
  • all the parts so far described, except the electric driving motor 11, may be made of moulded synthetic material such as notably an injected thermoplastic materials
  • the case-12 comprises in the vicinity of said groove 13 a ledge 13' whereby the case 12 and motor 11 enclosed therein can be laid upside down, as shown in FIGURE 3 at the opposite end of the vat (stowed position), the halflid 28 thus closing the other top half of the vat, that is, substantially the portion covered by the casing 12 in FIG- URE 2.
  • the top plane of vat 1 is inclined and comprises on the lowermost lateral wall 32 of the-vat which is opposite to the uppermost lateral wall 33 a hollow portion 34 constituting a discharge or overflow means.
  • top surfaces of case 12 and lid 28 are inclined to facilitate the dripping of the washed linen.
  • the driving motor 11 is cooled by circulating air sucked through the louvres 35 of the wall of case 12 by a centrifugal fan 36, the air circulation following the path shown by the arrows in FIGURE 2.-The air thus stirred by the fan 36 is ejected laterally. through other louvres provided to this end in the wall of case 12 substantially in the plane of rotation of fan 36.
  • the blades of fan 36 and the driving end 10a of the corresponding section 8a of shaft 8 are formed as an integral unit and consist for example of moulded thermoplastic material or the like.
  • the fan 36 and the driving end 10a are in this case force-fitted or screwed or otherwise secured to the rotary shaft 10 of motor 11.
  • This motor 11 is preferably of the split-pole low-power, asynchronous type. It is mounted for example on four legs 37 moulded integrally with the part 31 constituting the half-lid supporting the motor 11 and the lower half of case 12 (as evidenced in FIGURE 2) closed by'the top cover 38.
  • the reference numeral 39 designates a control knob or timer which may be provided for. controlling the washing operations.
  • the circular set of teeth 6 for driving the wheel 3 has its upper portion concealed and protected by a lip 40 preventing the linen from contacting these teeth.
  • the driving motor 11 After having filled the vat 1 with a suitable amount of water, depending upon the quantity of linen to be washed the driving motor 11 is started, thus rotatably driving the wheel 3 which, on account notably of the specific shape given to its relatively thick spokes 43 (FIG- URE 5) shaped to ensure a strongstirring of the water and linen, acts somewhat in the fashion of a turbine to properly mix up the water and the dose of detergent contained therein. After a short time, the linen to be washed is gradually introduced into the vat from the top of the machine of which the half lid 28 has been removed to this end.
  • the hose 16 is lowered in order to drain out the wash water; at the end of this operation the rinsing water is introduced into the vat after having raised the hose 16.
  • This introduction of rinsing water may be effected either through the same hose 16 connected to a suitable water mains cock, or through the top portion of the machine by raising the half-lid 28.
  • a number of separate rinsing operations may be accomplished by filling each time the vat with clear water, stirring by means of the motor 11, and stopping the latter for draining the vat completely.
  • vat may be filled with linen and water up to the desired level, or that the desired quantity of linen can be washed, of course without overstepping the total capacity of the machine, provided that the corresponding amount of water and detergent is introduced into the vat; in all cases the mechanical action produced by the stirring wheel will always prove adequately efi'icient.
  • the fan 36 with its driving nose or end 10a is not directly solid with the driving shaft 10 of the motor, but is mounted on this shaft through the medium of a helical compression spring 45 and a fastening-member 46 so as to constitute a flexible torsion coupling.
  • a helical compression spring 45 and a fastening-member 46 so as to constitute a flexible torsion coupling.
  • the wheel 3 may be driven differently, for example by means of a friction roller or the like drivingly engaging-the rim of wheel 3 instead of by the meshing engagement'of teeth.
  • a friction roller or the like drivingly engaging-the rim of wheel 3 instead of by the meshing engagement'of teeth.
  • a train of reduction gears may be provided for gearing'down the velocityof rotation of the motor shaft 10.
  • a grid G adapted to be suspended from adequate bosses B provided to this end on the lower wall of vat 1 may be provided above the wheel 3 to permit the washing of delicate pieces of linen such as undergarments, etc. which should preferablybe proteeted'from a direct mechanical stirring by the wheel 3.
  • This grid would simply be laid in close proximity and above the wheel 3, so that a smoother washing action 'by simply stirring the washing water is obtained.
  • This detachable grid will advantageously be used only for accomplishing such delicate washing operations.
  • washing machine notably for linen, of the type comprising a vat containing the linen, said vat having disposed in the vicinity of its bottom and rotatably driven for relatively slow rotation a wheel constituting a largediameter turbine which extends over the greater part of the vat bottom and revolves in a substantially horizontal plane, this machine comprising the improvements consisting in that said wheel is rotatably mounted about a pivot pin in a bearing solid with a detachable supporting plate fastened to the bottom of said vat by means of lugs, ribs or like means, said wheel being rotatably driven through the medium of gear means from a substantially vertical driving shaft dipping into the vat, the upper end of said shaft emerging from the top portion of the vat and coacting with the shaft of an electric driving motor disposed above the vat.
  • Machine according to claim 1 wherein said wheel comprises, in the vicinity of its outer periphery, driving means as teeth or the like for rotatably gearing with a pinion or disk of relatively small diameter mounted in the vicinity of the lower end of said shaft which is disposed in close proximity of a lateral wall of said vat.
  • Machine wherein said electric motor is housed in a case of which the top portion constitutes at least one portion of the lid of the machine, said top portion of the case being adapted to be laid upon and to fit on the top edge of said vat, said motor having a stub shaft emerging from the lower portion of said case and said stub shaft being provided with coupling portions adapted drivingly to engage corresponding coupling portions provided at the upper end of the driving shaft, said case and motor being adapted in the inoperative position of the machine to be removed from the top of the machine and placed upside down in another location of the vat where they extend at least for the greater part into said vat.
  • Machine according to claim 1 wherein a pipe is provided in the bottom of said vat and leads to the outside, the outer end of said pipe being connected to a flexible hose to permit the filling and draining of the vat.
  • said vat has a rib-forming lower projection of which the lower edge constitutes a plane for supporting the machine, and an overflow upper edge, the plane of the top edge of the vat being inclined with respect to the lower edge of said rib-forming lower projection supporting the machine and which is normally substantially horizontal.
  • Machine according to claim 3 wherein a half-lid is adapted to coact with said motor case for covering completely the machine in both its operative and inoperative positions.
  • said stirring wheel is substantially in the form of a spoked wheel having relatively thick spokes shaped to ensure a proper stirring of the water.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Food-Manufacturing Devices (AREA)
  • Centrifugal Separators (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US610628A 1966-01-24 1967-01-20 Washing machines, notably laundry machines Expired - Lifetime US3406543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46998A FR1474862A (fr) 1966-01-24 1966-01-24 Machine à laver, en particulier le linge

Publications (1)

Publication Number Publication Date
US3406543A true US3406543A (en) 1968-10-22

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ID=8599570

Family Applications (1)

Application Number Title Priority Date Filing Date
US610628A Expired - Lifetime US3406543A (en) 1966-01-24 1967-01-20 Washing machines, notably laundry machines

Country Status (9)

Country Link
US (1) US3406543A (da)
BE (1) BE692808A (da)
CH (1) CH456515A (da)
DE (2) DE1962015U (da)
DK (1) DK114895B (da)
ES (1) ES335890A1 (da)
FR (1) FR1474862A (da)
GB (1) GB1160331A (da)
SE (1) SE314649B (da)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720081A (en) * 1971-07-08 1973-03-13 Calor Sa Roller bearing device for a washing machine, particularly for a linen washing machine
US5526657A (en) * 1994-08-19 1996-06-18 Maytag Corporation Integrated tub and cabinet structure
US5711170A (en) * 1994-08-19 1998-01-27 Maytag Corporation Integrated tub and cabinet structure
US5878602A (en) * 1996-10-04 1999-03-09 Whirlpool Corporation Vertical axis washer and a rotating washplate therefor
US20030110815A1 (en) * 2001-08-17 2003-06-19 Russell Poy Continuous tunnel batch washer apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1591370A (en) * 1976-08-28 1981-06-17 Jensen L K W Cleaning methods and apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US112603A (en) * 1871-03-14 Improvement in washing-machines
US1735391A (en) * 1928-03-08 1929-11-12 Charles C Herbert Clothes-washing machine
FR1037026A (fr) * 1951-05-11 1953-09-14 Perfectionnements aux machines à laver
FR1370739A (fr) * 1963-07-15 1964-08-28 Perfectionnements aux machines à laver
US3265369A (en) * 1964-10-09 1966-08-09 Gen Ind Co Denture cleaners

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US112603A (en) * 1871-03-14 Improvement in washing-machines
US1735391A (en) * 1928-03-08 1929-11-12 Charles C Herbert Clothes-washing machine
FR1037026A (fr) * 1951-05-11 1953-09-14 Perfectionnements aux machines à laver
FR1370739A (fr) * 1963-07-15 1964-08-28 Perfectionnements aux machines à laver
US3265369A (en) * 1964-10-09 1966-08-09 Gen Ind Co Denture cleaners

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720081A (en) * 1971-07-08 1973-03-13 Calor Sa Roller bearing device for a washing machine, particularly for a linen washing machine
US5526657A (en) * 1994-08-19 1996-06-18 Maytag Corporation Integrated tub and cabinet structure
US5711170A (en) * 1994-08-19 1998-01-27 Maytag Corporation Integrated tub and cabinet structure
US5878602A (en) * 1996-10-04 1999-03-09 Whirlpool Corporation Vertical axis washer and a rotating washplate therefor
US20030110815A1 (en) * 2001-08-17 2003-06-19 Russell Poy Continuous tunnel batch washer apparatus

Also Published As

Publication number Publication date
DE1585641C3 (de) 1978-09-14
ES335890A1 (es) 1968-02-16
SE314649B (da) 1969-09-15
DE1585641A1 (de) 1972-10-26
FR1474862A (fr) 1967-03-31
BE692808A (da) 1967-07-03
DK114895B (da) 1969-08-18
DE1585641B2 (de) 1978-01-19
GB1160331A (en) 1969-08-06
CH456515A (fr) 1968-07-31
DE1962015U (de) 1967-06-15

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