US2271052A - Apparatus for washing or cleaning plates, dishes, and the like - Google Patents

Apparatus for washing or cleaning plates, dishes, and the like Download PDF

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Publication number
US2271052A
US2271052A US292978A US29297839A US2271052A US 2271052 A US2271052 A US 2271052A US 292978 A US292978 A US 292978A US 29297839 A US29297839 A US 29297839A US 2271052 A US2271052 A US 2271052A
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United States
Prior art keywords
brushes
article
pair
opposing
washing
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Expired - Lifetime
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US292978A
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English (en)
Inventor
Varley Ernest Vernon
Fraulo Alfonso
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/37—Washing or rinsing machines for crockery or tableware with crockery cleaned by brushes
    • A47L15/39—Washing or rinsing machines for crockery or tableware with crockery cleaned by brushes with brushes on movable supports

Definitions

  • the article in process of being washed or cleaned is caused to rotate by reason of the .fact .thatthe .article is maintained insuch a position by theaforesaid supports that the cleaning units actalwaysvon 'one;siderof the centreof "the article, the Whole surface being acted upon as a result of the consequential rotation of the article.
  • the object of the present invention is to provide in or for use in 'anapparatus of the type specified an improved cleaning unit in which the opposing movements of one pair of opposing :re volving brushes or their equivalent are utilised bodily to displace each engaged article to cause the article periodically to be also engaged by a further pair of oppositely revolving and opposing brushes or their equivalent for the purpose of producing further bodily displacement .of the article in the return direction together with a turning'movement aboutits own axis.
  • the present invention consists of a washing or cleaning unit, in or for use in apparatus for washing or cleaning plates, dishes and the like, said cleaning unit comprising at least two pairs of rotary brushes or their equivalent, said brushes being arranged as two opposing groups, each group :having two brushes in coaxial alignment, driving means for-said brushes such that the brushes in each pair turn-in opposite directionsboth in relation'to each other and to the corresponding brushes in the next pair the brushesin each pair rotating at the same or different speeds and preferably at different speeds to the brushes in the adjacent pair, and means for utilising the opposing movements of one pair of opposing brushes to displace the article :en-
  • the pairs of rotary brushes are arranged in parallel relationship and in use they are mounted within the central compartment of a "tank adapted to contain washing liquid, and horizontally above a device having an interrupted or'continuous inclined-surface 'to produce the initial displacement of each article to be washed.
  • 'The'tank-in this embodiment is divided by two vertical and preferably perforated partitions, into three "compartments, the central compartment containing the rotary brushes and -the two outer compartments overflow pipes opening 'at the normal upperlevel of the contained liquid to carry away the grease and other scum which collects on 'the surface of the liquid within these outer compartments.
  • pairs ofhorizon- -ta1 brushes arearranged vertically one 'pair above the other and used in conjunction with'means for diverting'thecleaned articles on to acon- 've-yor 'fortransierence "into a rinsing tank.
  • Fig. 1 is a perspective view-'o'f'a complete machine according ⁇ to the present invention with parts broken away and omitted and showing the preferred construction of device for producing side displacement of each article to be washed or cleaned.
  • Fig. 2 is a transverse section through the machine with the plate rack removed and illustrat- .ing a. modified form of the displacing device.
  • Fig. 3 is a top plane view of the machine as illustratedin Fig.2.
  • Fig. 4 is a side elevational view showing the driving means for the higher speed brushes on one side of the machine.
  • Fig.6 illustrates a further modification hereafter 'to be described.
  • Figure 7 illu'strates a side elevation in perspective involving :a modified drive 'for the revolving brushes :of each series.
  • the apparatus illustrated in the-drawings with particular reference to Figs. 1 to5 comprises an open rectangular tank I to hold the Water or These openings are situated opposite
  • the cleaning unit in the present example is situated within the central compartment of the tank and comprises four rotary brushes 5, 6, 1, 8. These brushes are arranged co-axially as pairs, 5, 6 and I, 8, and said pairs are mounted so as to reside in parallel relationship with the brushes 5, 6, opposing the brushes 1, 8.
  • Each brush is mounted so as to be free to rotate independently of the other brushes, but in the example illustrated the opposing brushes 5, 1, on one side are coupled together by one driving means and the other opposing brushes 6, 8, by a separate driving means. If desired, however, each brush may be driven separately, so that the brushes in each pair may either rotate at the same or different speeds.
  • the driving means illustrated which will hereafter be described in detail, are such that the brushes 5, 1 will be rotated inwards towards each other whilst the other pair of brushes 6, 8 will be rotated outwards or away from each other, and at the same time the inwardly rotating brushes 5, 1 will be driven at a higher speed, for example, twice the speed, of the other or outwardly rotating brushes.
  • a device which comprises, in one example, an interrupted inclined surface and, in another example, a continuous inclined surface.
  • This device is for the purpose of utilising the opposing rotary movements of the brushes 5, I, to cause an inserted article, for example, the plate 9, to be bodily displaced towards the intersection between the other pair of opposing brushes 6, 8, so that it becomes simultaneously engaged by both pairs of brushes for a purpose which will hereafter appear.
  • the inclined surface of the device abovementioned is constituted by three rollers, an upper roller In, an intermediate roller l l and a lower roller E2 the two latter rollers being arranged in relatively close proximity to each other.
  • rollers H and [2 of the stepped series of rollers reside within the width of the inwardly or downwardly revolving brushes 5, I.
  • rollers H3, ll, l2 are preferably composed of or covered with a resilient material such as rubber, as is also the horizontal surface 13, to prevent the edges of the articles from becoming chipped or bent. Such a protection against damage is necessary as the speed of the brushes 5, I imparts considerable downward velocity to each article as it is positioned between them.
  • each article as it is inserted between the brushes 5, 1, by the operator is carried rapidly downwards until its edge strikes the upper roller l0, which causes it to be deflected sideways so that the continued downward movement brings the article into successive engagement with the intermediate and lower rollers ll, l2. This results in further deflection or displacement of the article and to such an extent that the forward portion of the article is forced between the upwardly roating brushes 5, 8.
  • the level of liquid within the tank is maintained at the upper level represented by the open ends of the overflow pipes, by make-up liquid which can be introduced, preferably into the central compartment, by any suitable means, not shown.
  • Each revolving brush in the example illustrated comprises an annular wooden foundation 15 for the bristles and two end plates l6 which are screwed or otherwise affixed centrally to 0pposite ends of the wooden foundation. Outside of each end plate and centrally thereof, is affixed a boss I! which is cut away as shown so that each boss forms one half of a scarf joint. The associated halves of this scarf joint are formed on the opposing ends of driving shafts l3. At the opposing ends of each aligned pair of brushes is positioned a bearing unit [9 comprising two sleeves having flanges at the adjacent ends thereof mounted to form intermediate peripheral surfaces 20 which act as a spacer to maintain the two brushes in spaced relationship to each other.
  • This bearing unit I9 as well as opposing recesses in the two end bosses I! operate to afford a detachable support for a rod 2
  • the bearing unit has been shown as comprising two sleeves having flanges at their ends, it is within theprovince of this invention to provide a single bearing unit having a central peripheral flange to serve as a spacer, for the purpose aforesaid.
  • the driving means for the pairs of opposing brushes on opposite sides of the machine comprise a continuous chain 23 engaging sprocket wheels 24 on the ends of the driving shafts l8 and smaller sprocket wheels 25 and 26 on opposite ends of a lay shaft extending across the underside of the tank.
  • This lay shaft is driven from an electric motor 21 and as the sprocket wheel 25 which drives the brushes 5, 1 is larger than the corresponding sprocket wheel 26, said brushes 5, 1 will be driven at a higher speed than the opposite brushes 6, 8.
  • Fig. 1 is illustrated one suitable form of To the draining rack for use in connection with a machine according to the present invention, such rack being indicated at 28, but as this rack forms no part of the present invention, no further description of the same is necessary.
  • Figs. 2 and 3 there is illustrated a modified form of the device for displacing each article asit is being washed, such modification comprising a member 29 corresponding to the upper roller in, in the device shown in Fig. 1, and a further bent member having an inclined portion 30 with a continuous surface and a horizontal portion 3
  • the articles as they are washed may be delivered automatically from the brushes onto a conveyor which conveys them out of the washing machine and into a rinsing tank.
  • FIG. 6 is a plan view of a washing machin adapted for this purpose.
  • the pairs of brushes are arranged vertically one pair above the other and driven in a similar manner to the previous arrangement, the brushes 5 and l rotating in a direction which feeds the article towards the rear of the tank and the brushes 6 and 8 rotating in the opposite direction.
  • the articles to be washed are fed in at the front of the machine and are delivered to the first pair of brushes 5 and I by a curved feed plate 32 which turns each article as it is put into the machine from a vertical to a horizontal position.
  • the drive for the brushes may be constructed so that brushes 5' and 6' are driven from motor 21' through respectively sprocket wheels 36 and 31 connected by chain 28 for brush 5' and sprocket wheels 39 and 40 connected by cross-chain 4! for brush 6; while brushe 1 and 8' are driven by motor 2'! through respectively sprocket wheels 42 and 43 connected by cross-chain 44 for brush 1 and sprocket wheels 45 and 46 connected by chain 41 for brush 3.
  • the respective brushes are mounted on the spaced shafts in connection with the assembly shown in the remaining figures of the drawings and are separately driven in the direction of the arrows so that the brushes in each pair may either rotat at the same or different speeds, as determined by the changes in R. P. M.
  • This embodiment illustrates but one method and assembly by which the brushes may be driven separately, so that those in each pair may either rotate at the same or different speeds and is not to be construed by way of limitation as to the method or assembly to accomplish such result.
  • the cleaning unit may be used with or without a tank.
  • a washing or cleaning unit comprising at least two pairs of rotary brushes, said brushes being arranged as two opposing groups, each group having two brushes in co-axial alignment, driving means for said brushes such that the brushes in each pair turn in opposite directions both in relation to each other and to the corresponding brushes in the next pair and means for utilising the opposing movements of one pair of opposing brushes to displace the article engaged therebetween to a position where it also becomes engaged between the next pair of opposing brushes.
  • Apparatus according to claim 1 wherein the brushes are mounted horizontally with one brush group positioned vertically above the other and in association with a pair of inclined surfaces, said surfaces being disposed on opposite sides of the brushes, one to ensur the return movement of each article between the brushes and the other to deliver each washed article onto a conveyor for removal.
  • Apparatus according to claim 1 wherein the I pairs of rotary brushes are arranged in parallel relationship within the central compartment of a tank which is divided by two vertical and preferably perforated partitions into three communicating compartments, said tank being adapted to receive a quantity of water or other washing liquid, and said outer compartments having means for draining away scum from the upper surface of the liquid.

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  • Cleaning In General (AREA)
US292978A 1938-09-09 1939-09-01 Apparatus for washing or cleaning plates, dishes, and the like Expired - Lifetime US2271052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26400/38A GB518342A (en) 1938-09-09 1938-09-09 Dish and plate washing up machine

Publications (1)

Publication Number Publication Date
US2271052A true US2271052A (en) 1942-01-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
US292978A Expired - Lifetime US2271052A (en) 1938-09-09 1939-09-01 Apparatus for washing or cleaning plates, dishes, and the like

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US (1) US2271052A (fr)
FR (1) FR860085A (fr)
GB (1) GB518342A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261286A (en) * 1964-04-21 1966-07-19 Royal China Inc Article handling machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261286A (en) * 1964-04-21 1966-07-19 Royal China Inc Article handling machine

Also Published As

Publication number Publication date
FR860085A (fr) 1941-01-06
GB518342A (en) 1940-02-23

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