US2637595A - Rinse arm connection - Google Patents
Rinse arm connection Download PDFInfo
- Publication number
- US2637595A US2637595A US700878A US70087846A US2637595A US 2637595 A US2637595 A US 2637595A US 700878 A US700878 A US 700878A US 70087846 A US70087846 A US 70087846A US 2637595 A US2637595 A US 2637595A
- Authority
- US
- United States
- Prior art keywords
- rinse
- hub
- pipe
- pipes
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
Definitions
- the pin has a rinse uid supply passage I5 extending axially therethrough.
- the wash arm is indicated at I8 and has a hub portion I9 in which there is press-fitted a bronze or other suitable bearing member having a shoulder 2I on which the hub portion is seated.
- the wash arm is provided with a series of discharge slots or apertures 23 one or more of which are suitably inclined to effect rotation of the wash arm by reaction when the fluid is supplied thereto.
- pin I3 The upper end of pin I3 is threaded on its interior.
- An upper bearing pin 24 also having a hollow axial passage 25 is threadedly received in the upper end of pin I3, and a hardened and ground stainless steel washer 26 is received between a shouldered portion of pin 24 and pin I3 and held in place thereby to provide a thrust surface for engagement with the upper end of the bearing member 20, providing for taking the upward thrust of the wash arm which occurs during use and under the supply of iiuid pressure thereto.
- the central passage 25 of pin 24 connects with the passage I5 of pin I3 and with the horizontally extending passages 28 which in turn communicate with the hollow interior 38 of the rinse arm hub 3
- the rinse arm assembly comprises the hub or body portion 3l and rinse pipes 32 and 33 which are removably secured therein, the hub 3I being adapted to be slidably received over the end of the upper bearing pin 24.
- This hub is formed as shown in Fig. 4 and has upper and lower bearing sleeves 34 and 35 secured therein in which the upper bearing pin 24 is received. These sleeves are separated from each other providing the annular passage 35 which communicates with the interior of the rinse pipes through passages 31 and 38 and is adapted to align with the passages 28 in pin 24 when the rinse arm is in operating position thereon.
- Closing the top of the hub is a pivot bearing plate 39 which is fastened thereto by means of the screws 40, the center thereof being adapted to engage ov er a truncated conical tip 4I formed on the upper end of bearing pin 24 to provide a thrust bearing for the rinse arm assembly.
- Such construction limits the downward travel of the hub 3I and maintains it in position for free rotation about pin 24 in spaced relation with the thrust washer 26, and completely out of contact with all portions of the wash arm.
- Rinse pipes 32 and 33 are provided with discharge nozzles 42 through which the rinse water is discharged during use, the reaction causing the rinse arm to rotate in a direction opposite to the rotation of the wash arm.
- These pipes are constructed of brass tubing or other suitable metal andfhave the outer ends thereof threaded to receive a screw plug 43 which is removable, but which cannot be entirely separated from the rinse pipe since its movement is limited by the extent to which the retainer 44 attached thereto is limited in its movement.
- This construction thus provides a quickly demountable rinse arm comprising a separate and easily removable rotatable hub adapted to receive a supply of rinse liquid and having a rinse pipe operably received by a sliding engagement with the hub, interfitting parts between the hub and each of the rinse pipes providing for a direct connection.
- a retaining clamp 45 as shown in Fig. 3 is secured to the inner end of each rinse pipe.
- This clamp is formed with a reamed center bore 46 adapted to slidably receive the rinse pipe, and with bifurcated ends 41, 48, and 49, 50.
- rPhe end 41 having a central bore extending therethrough, and end 48, similarly bored and threaded, are spaced slightly apart to receive a headed screw 52 which can be tightened down to
- the clamp is mounted on the inner end of each rinse pipe so as to permit the end of the pipe to project therefrom as shown in Fig. 2.
- Pipes 32 and 33 each have their inner ends adapted to intert with the passages 31 and 38 respectively to provide a direct connection between the hub and the pipes when the ends of the pipes are inserted therein so that the clamp abuts against the hub, the passages 31 and 38 thus forming sockets for receiving the end of the pipes.
- the ends 49 and 50 of the clamp are spaced apart suiiiciently to receive the looped end of the retaining spring 53 therebetween, and are also bored so that a retaining pin 54 may be inserted through the looped end of the spring to hold it in position.
- the end of this pin is drilled as at 55 to receive a cotter pin 56 which prevents the pin from working out of position.
- each retaining clamp Attached to each retaining clamp is a deiiector plate or vane 60 which is formed from a fiat piece of stainless steel. At one side thereof a pair of holes are drilled so that each vane can be retained in position on the retaining clamp by inserting the headed screw 52 and the pin 54 therethrough.
- Each vane is also provided with an extended wing surface or portion 62 inclined as illustrated in Figs. l and 3, which has proper radial dimensions so that it is in position to intercept a portion of the wash liquid discharged from the innermost apertures in the wash arm.
- the fiat retaining spring 53 formed of bronze (spring stock) and shaped as shown in Fig. 2 is provided.
- This spring which has a loop formed in one end through which pin 54 is inserted, as previously described, has a hook portion formed therein adapted to be latched over the shoulder 66 formed on the hub 3 I.
- vanes 60 being mounted on the retaining clamps, are removed or carried as a part of the clamps and thus remain attached to the rinse pipes when such pipes are removed from the hub.
- This construction provides for ready inspection and cleaning of the vanes, as well as the rinse pipes, without the necessity of using tools to remove them from the machine and also prevents the loss or misplacement of such parts, the whole assembly being effected with only a few parts and a minimum ci labor. It is aiso impossibile because of this arrangement to reassemblc vanes except in the proper position since they are mounted and carried as a part of the rinse arm assembly.
- the rinse liquid is supplied through the interior of stem i3, and through the communicating passages 25 and 28 in pin to be discharged into annular space 35 and passages 31 and iid in the hub 3i, and from there into the respective rinse pipes for discharge therefrom.
- a dishwasher of the character described having a Wash arm mounted for rotation therein and including a hollow huh mounted for rotation with respect to said wash arm and adapted to receive rinse iiuid from a source thereof, said hub having an open socket in side communicating with the interior thereof, and a rinse pipe adapted at one end thereof for connection with said socket and having discharge outlets along one side thereof, the combination of quickly demountable attaching means for said rinse pipe adapted to establish and maintain a predetermined angular relationship of said pipe in said socket wherein said pipe outlets discharge said rinse uid in a predetermined direction providing a reaction causing rotation of said hub While at the same time impinging on the articles within said dishwasher at effective rinse angles, said means comprising an elongated resilient latch on said pipe adapted to extend a substantial distance exteriorly of said hub beyond the outer end of said socket, a shoulder on said hub forming a keeper adapted for latching engagement with said latch, and means on the exterior of said hub intermediate said shoulder and the outer end of said socket for preventing latching
- a dishwasher of the character described including a wash arm mounted for rotation therein, and a hub mounted for rotation with respect to said wash arm and having a passage therein for receiving rinse fluid from a source thereof, the combination of means on said hub defining a pair of sockets extending into said hub in laterally offset opposite directions, means connecting the inner ends of said sockets with said passage, a pair of rinse pipes each having one end thereof formed to be received in one of said sockets, said rinse pipes having discharge outlets along one side of each thereof for discharging said rinse fluid, a latch on each said pipe, a pair of shoulders on the exterior of said hub each associated with one oi said sockets and spaced from the outer end of said associated socket to form a keeper for said latch on the associated said rinse pipe, and abutment means on said hub intermediate each said associated shoulder and socket for preventing engagement of said latch with said shoulder except when said pipe is in a predetermined angular position in said socket assuring discharge of said rinse iiuid from said pipe outlets in a predetermined direction providing
- a dishwasher of the character described including a wash arm mounted for rotation therein and a generaliy hollow hub mounted for rotation with respect to said wash arm and adapted to receive rinse fluid from a source thereof, the combination of means forming a socket extending into the interior of said hub, a rinse pipe having discharge outlets along one side thereof and adapted at one end thereof for insertion in said socket, a collar on said pipe adjacent said one end thereof and adapted to abut the outer end of said socket forming means to limit insertion of said pipe end in said socket, a latch member on said collar, means on said hub forming a keeper for said latch member spaced from said socket and adapted for cooperation with said latch member to retain said pipe in connected relation with said hub, and abutment means on said hub between said keeper and the outer end of said socket for guiding said latch into latching engagement with said keeper therefor only when said pipe is in a predetermined angular position in said socket assuring discharge of said rinse iiuid from said pipe outlets in a predetermined angular
Description
May 5, 1953 G. B. Fox Er AL 2,637,595
RINSE ARM CONNECTION Filed oct. 3, 194e arm. The pin has a rinse uid supply passage I5 extending axially therethrough. The wash arm is indicated at I8 and has a hub portion I9 in which there is press-fitted a bronze or other suitable bearing member having a shoulder 2I on which the hub portion is seated. The wash arm is provided with a series of discharge slots or apertures 23 one or more of which are suitably inclined to effect rotation of the wash arm by reaction when the fluid is supplied thereto.
The upper end of pin I3 is threaded on its interior. An upper bearing pin 24 also having a hollow axial passage 25 is threadedly received in the upper end of pin I3, and a hardened and ground stainless steel washer 26 is received between a shouldered portion of pin 24 and pin I3 and held in place thereby to provide a thrust surface for engagement with the upper end of the bearing member 20, providing for taking the upward thrust of the wash arm which occurs during use and under the supply of iiuid pressure thereto. The central passage 25 of pin 24 connects with the passage I5 of pin I3 and with the horizontally extending passages 28 which in turn communicate with the hollow interior 38 of the rinse arm hub 3|.
The rinse arm assembly comprises the hub or body portion 3l and rinse pipes 32 and 33 which are removably secured therein, the hub 3I being adapted to be slidably received over the end of the upper bearing pin 24.
This hub is formed as shown in Fig. 4 and has upper and lower bearing sleeves 34 and 35 secured therein in which the upper bearing pin 24 is received. These sleeves are separated from each other providing the annular passage 35 which communicates with the interior of the rinse pipes through passages 31 and 38 and is adapted to align with the passages 28 in pin 24 when the rinse arm is in operating position thereon. Closing the top of the hub is a pivot bearing plate 39 which is fastened thereto by means of the screws 40, the center thereof being adapted to engage ov er a truncated conical tip 4I formed on the upper end of bearing pin 24 to provide a thrust bearing for the rinse arm assembly. Such construction limits the downward travel of the hub 3I and maintains it in position for free rotation about pin 24 in spaced relation with the thrust washer 26, and completely out of contact with all portions of the wash arm.
This construction thus provides a quickly demountable rinse arm comprising a separate and easily removable rotatable hub adapted to receive a supply of rinse liquid and having a rinse pipe operably received by a sliding engagement with the hub, interfitting parts between the hub and each of the rinse pipes providing for a direct connection.
A retaining clamp 45 as shown in Fig. 3 is secured to the inner end of each rinse pipe.
lock the clamp in place on the rinse pipe.
This clamp is formed with a reamed center bore 46 adapted to slidably receive the rinse pipe, and with bifurcated ends 41, 48, and 49, 50.
rPhe end 41, having a central bore extending therethrough, and end 48, similarly bored and threaded, are spaced slightly apart to receive a headed screw 52 which can be tightened down to The clamp is mounted on the inner end of each rinse pipe so as to permit the end of the pipe to project therefrom as shown in Fig. 2. Pipes 32 and 33 each have their inner ends adapted to intert with the passages 31 and 38 respectively to provide a direct connection between the hub and the pipes when the ends of the pipes are inserted therein so that the clamp abuts against the hub, the passages 31 and 38 thus forming sockets for receiving the end of the pipes. The ends 49 and 50 of the clamp are spaced apart suiiiciently to receive the looped end of the retaining spring 53 therebetween, and are also bored so that a retaining pin 54 may be inserted through the looped end of the spring to hold it in position. The end of this pin is drilled as at 55 to receive a cotter pin 56 which prevents the pin from working out of position.
Attached to each retaining clamp is a deiiector plate or vane 60 which is formed from a fiat piece of stainless steel. At one side thereof a pair of holes are drilled so that each vane can be retained in position on the retaining clamp by inserting the headed screw 52 and the pin 54 therethrough. Each vane is also provided with an extended wing surface or portion 62 inclined as illustrated in Figs. l and 3, which has proper radial dimensions so that it is in position to intercept a portion of the wash liquid discharged from the innermost apertures in the wash arm.
'lo permit the rinse pipes .'52 and 33 to be assembled in operating position quickly and easily, and
to permit them to be readily removed independently of each other, if desired, for inspection and cleaning and without requiring the use of tools or skilled labor, the fiat retaining spring 53 formed of bronze (spring stock) and shaped as shown in Fig. 2 is provided. This spring which has a loop formed in one end through which pin 54 is inserted, as previously described, has a hook portion formed therein adapted to be latched over the shoulder 66 formed on the hub 3 I. Thus by snapping the hook over the shoulder the rinse pipes are securely held in operating position in the hub and can be removed by merely releasing the spring, as illustrated by the rinse pipe viewed on the left side of Fig. 2 which has thus been removed.
In order to provide that the rinse pipes cannot be reassembled, after having been removed for inspection or cleaning, except by replacing them in the proper position to operate correctly, that is, assembled in proper angular relationship assuring proper direction of discharge of fiuid from the discharge means in the rinse pipes, on the exterior of the hub 3| adjacent the outer ends of passages 31 and 38 shoulders 16 are formed in which the grooves 12 are cut. These grooves are of sucient width and depth to receive the retaining spring 53 when it is in the closed position and thus provide means for guiding the rinse pipes into proper operating alignment. This will be apparent when it is noted that the hook portion 65 of the spring 53 cannot be latched over the shoulder 66 on the hub to secure the rinse pipes to the hub unless the rinse pipes are so positioned that the spring is seated within the groove i2.
It is to be noted in connection with the assembly of the rinse pipes that the vanes 60, being mounted on the retaining clamps, are removed or carried as a part of the clamps and thus remain attached to the rinse pipes when such pipes are removed from the hub. This construction provides for ready inspection and cleaning of the vanes, as well as the rinse pipes, without the necessity of using tools to remove them from the machine and also prevents the loss or misplacement of such parts, the whole assembly being effected with only a few parts and a minimum ci labor. It is aiso impossibile because of this arrangement to reassemblc vanes except in the proper position since they are mounted and carried as a part of the rinse arm assembly.
In operation the rinse liquid is supplied through the interior of stem i3, and through the communicating passages 25 and 28 in pin to be discharged into annular space 35 and passages 31 and iid in the hub 3i, and from there into the respective rinse pipes for discharge therefrom.
During supply of wash iiuid to the wash arm, and the consequent rotation of the wash arm, fluid will se projected from the wash arms and will periodically impinge upon the wing surfaces t2 ci the vanes and keep the rinse arm from remaining in a :fixed position relative to the wash arm where it would interfere with the wash sprays.
While the form of apparatus herein described constitutes a preferred embodiment of the invention, it is to he understood that the invention is not limited to this precise form of apparatus, and that changes may he made therein without departing irom the scope oi the invention which is donned in the appended claims.
What is claimed is:
l. In a dishwasher of the character described having a Wash arm mounted for rotation therein and including a hollow huh mounted for rotation with respect to said wash arm and adapted to receive rinse iiuid from a source thereof, said hub having an open socket in side communicating with the interior thereof, and a rinse pipe adapted at one end thereof for connection with said socket and having discharge outlets along one side thereof, the combination of quickly demountable attaching means for said rinse pipe adapted to establish and maintain a predetermined angular relationship of said pipe in said socket wherein said pipe outlets discharge said rinse uid in a predetermined direction providing a reaction causing rotation of said hub While at the same time impinging on the articles within said dishwasher at effective rinse angles, said means comprising an elongated resilient latch on said pipe adapted to extend a substantial distance exteriorly of said hub beyond the outer end of said socket, a shoulder on said hub forming a keeper adapted for latching engagement with said latch, and means on the exterior of said hub intermediate said shoulder and the outer end of said socket for preventing latching engagement of said latch with said shoulder except when said pipe is in said predetermined angular relationship in said socket assuring said predetermined direction of discharge of said rinse fluid from said pipe outlets.
2. In a dishwasher of the character described including a wash arm mounted for rotation therein, and a hub mounted for rotation with respect to said wash arm and having a passage therein for receiving rinse fluid from a source thereof, the combination of means on said hub defining a pair of sockets extending into said hub in laterally offset opposite directions, means connecting the inner ends of said sockets with said passage, a pair of rinse pipes each having one end thereof formed to be received in one of said sockets, said rinse pipes having discharge outlets along one side of each thereof for discharging said rinse fluid, a latch on each said pipe, a pair of shoulders on the exterior of said hub each associated with one oi said sockets and spaced from the outer end of said associated socket to form a keeper for said latch on the associated said rinse pipe, and abutment means on said hub intermediate each said associated shoulder and socket for preventing engagement of said latch with said shoulder except when said pipe is in a predetermined angular position in said socket assuring discharge of said rinse iiuid from said pipe outlets in a predetermined direction providing a reaction causing rotation of said hub while at the same time impinging on the articles in said dishwasher at effective rinse angles.
3. In a dishwasher of the character described including a wash arm mounted for rotation therein and a generaliy hollow hub mounted for rotation with respect to said wash arm and adapted to receive rinse fluid from a source thereof, the combination of means forming a socket extending into the interior of said hub, a rinse pipe having discharge outlets along one side thereof and adapted at one end thereof for insertion in said socket, a collar on said pipe adjacent said one end thereof and adapted to abut the outer end of said socket forming means to limit insertion of said pipe end in said socket, a latch member on said collar, means on said hub forming a keeper for said latch member spaced from said socket and adapted for cooperation with said latch member to retain said pipe in connected relation with said hub, and abutment means on said hub between said keeper and the outer end of said socket for guiding said latch into latching engagement with said keeper therefor only when said pipe is in a predetermined angular position in said socket assuring discharge of said rinse iiuid from said pipe outlets in a predetermined angular direction providing a reaction causing rotation of said hub While at the same time impinging on the articles in said dishwasher at eiTective rinse angles.
GERALD B. FOX. DEWEY B. DICKHART.
References Cited in the le of this patent UNITED STATES PATENTS Number Name Date 909,131 Antic Jan. 12, 1909 1,151,254 Enghauser Aug. 24, 1915 1,487,517 Krause Mar. 18, 1924 2,004,967 Williams June 18, 1935 2,286,203 Fox June 16, 1942 2,380,059 Meeker July 10, 1945 2,380,090 Wallace July 10, 1945
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US700878A US2637595A (en) | 1946-10-03 | 1946-10-03 | Rinse arm connection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US700878A US2637595A (en) | 1946-10-03 | 1946-10-03 | Rinse arm connection |
Publications (1)
Publication Number | Publication Date |
---|---|
US2637595A true US2637595A (en) | 1953-05-05 |
Family
ID=24815236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US700878A Expired - Lifetime US2637595A (en) | 1946-10-03 | 1946-10-03 | Rinse arm connection |
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US (1) | US2637595A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3184166A (en) * | 1963-03-11 | 1965-05-18 | Whirlpool Co | Dishwasher |
US3784108A (en) * | 1970-12-23 | 1974-01-08 | Coal Ind | Fluidized bed apparatus |
US4145002A (en) * | 1977-01-31 | 1979-03-20 | Noren Tore H | Rotary spray manifold |
EP1929927A1 (en) * | 2006-11-09 | 2008-06-11 | Bonferraro S.p.A. | Industrial dishwasher with improved hydraulic circuit |
ITUD20100114A1 (en) * | 2010-06-10 | 2011-12-11 | Steelco Spa | WASH IMPELLER AND WASHING MACHINE INCLUDING SUCH IMPELLERS |
US20130206179A1 (en) * | 2012-02-14 | 2013-08-15 | Hollingsworth & Vose Company | Warewash machine with removal rotating arm and related method |
WO2016086961A1 (en) * | 2014-12-02 | 2016-06-09 | Arcelik Anonim Sirketi | Improved rotating spray arm and dishwasher having the same |
WO2019145381A1 (en) * | 2018-01-26 | 2019-08-01 | Meiko Maschinenbau Gmbh & Co. Kg | Washing system for cleaning items to be cleaned |
USD882890S1 (en) * | 2013-10-29 | 2020-04-28 | Whirlpool Corporation | Sprayer for dish washing machine |
US10631706B2 (en) | 2014-10-27 | 2020-04-28 | Illinois Tool Works Inc. | Rinse arm system for warewasher |
US11191417B2 (en) | 2016-07-08 | 2021-12-07 | Electrolux Appliances Aktiebolag | Wash arm assembly |
US11464391B2 (en) | 2017-10-31 | 2022-10-11 | Electrolux Appliances Aktiebolag | Spray arm assembly |
US11612299B2 (en) | 2017-10-31 | 2023-03-28 | Electrolux Appliances Aktiebolag | Wash arm assembly |
Citations (7)
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US909131A (en) * | 1909-01-12 | John J Antic | Hose-coupling. | |
US1151254A (en) * | 1914-08-31 | 1915-08-24 | Winford L Enghauser | Atomizer. |
US1487517A (en) * | 1921-09-29 | 1924-03-18 | Krause Walter | Pipe joint |
US2004967A (en) * | 1934-07-24 | 1935-06-18 | Ideal Hose Coupling Company | Hose coupling |
US2286203A (en) * | 1939-01-13 | 1942-06-16 | Hobart Mfg Co | Washing machine |
US2380090A (en) * | 1942-06-11 | 1945-07-10 | Hobart Mfg Co | Washing machine |
US2380059A (en) * | 1942-06-11 | 1945-07-10 | Hobart Mfg Co | Washing machine |
-
1946
- 1946-10-03 US US700878A patent/US2637595A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US909131A (en) * | 1909-01-12 | John J Antic | Hose-coupling. | |
US1151254A (en) * | 1914-08-31 | 1915-08-24 | Winford L Enghauser | Atomizer. |
US1487517A (en) * | 1921-09-29 | 1924-03-18 | Krause Walter | Pipe joint |
US2004967A (en) * | 1934-07-24 | 1935-06-18 | Ideal Hose Coupling Company | Hose coupling |
US2286203A (en) * | 1939-01-13 | 1942-06-16 | Hobart Mfg Co | Washing machine |
US2380090A (en) * | 1942-06-11 | 1945-07-10 | Hobart Mfg Co | Washing machine |
US2380059A (en) * | 1942-06-11 | 1945-07-10 | Hobart Mfg Co | Washing machine |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3184166A (en) * | 1963-03-11 | 1965-05-18 | Whirlpool Co | Dishwasher |
US3784108A (en) * | 1970-12-23 | 1974-01-08 | Coal Ind | Fluidized bed apparatus |
US4145002A (en) * | 1977-01-31 | 1979-03-20 | Noren Tore H | Rotary spray manifold |
EP1929927A1 (en) * | 2006-11-09 | 2008-06-11 | Bonferraro S.p.A. | Industrial dishwasher with improved hydraulic circuit |
US9392926B2 (en) | 2010-06-10 | 2016-07-19 | Steelco Spa | Washing rotor and washer machine comprising said washing rotor |
ITUD20100114A1 (en) * | 2010-06-10 | 2011-12-11 | Steelco Spa | WASH IMPELLER AND WASHING MACHINE INCLUDING SUCH IMPELLERS |
WO2011154813A1 (en) * | 2010-06-10 | 2011-12-15 | Steelco Spa | Washing rotor and washer machine comprising said washing rotor |
US9763554B2 (en) * | 2012-02-14 | 2017-09-19 | Premark Feg L.L.G. | Warewash machine with removable rotating arm and related method |
WO2013122893A1 (en) | 2012-02-14 | 2013-08-22 | Premark Feg L.L.C. | Warewash machine with removable rotating arm and related method |
US20130206179A1 (en) * | 2012-02-14 | 2013-08-15 | Hollingsworth & Vose Company | Warewash machine with removal rotating arm and related method |
US10307036B2 (en) | 2012-02-14 | 2019-06-04 | Premark Feg L.L.C. | Warewash machine with removable rotating arm and related method |
USD900417S1 (en) | 2013-10-29 | 2020-10-27 | Whirlpool Corporation | Sprayer for dish washing machine |
USD955671S1 (en) | 2013-10-29 | 2022-06-21 | Whirlpool Corporation | Sprayer for dish washing machine |
USD882890S1 (en) * | 2013-10-29 | 2020-04-28 | Whirlpool Corporation | Sprayer for dish washing machine |
USD927101S1 (en) | 2013-10-29 | 2021-08-03 | Whirlpool Corporation | Sprayer for dish washing machine |
US10631706B2 (en) | 2014-10-27 | 2020-04-28 | Illinois Tool Works Inc. | Rinse arm system for warewasher |
WO2016086961A1 (en) * | 2014-12-02 | 2016-06-09 | Arcelik Anonim Sirketi | Improved rotating spray arm and dishwasher having the same |
US11191417B2 (en) | 2016-07-08 | 2021-12-07 | Electrolux Appliances Aktiebolag | Wash arm assembly |
US11464391B2 (en) | 2017-10-31 | 2022-10-11 | Electrolux Appliances Aktiebolag | Spray arm assembly |
US11612299B2 (en) | 2017-10-31 | 2023-03-28 | Electrolux Appliances Aktiebolag | Wash arm assembly |
WO2019145381A1 (en) * | 2018-01-26 | 2019-08-01 | Meiko Maschinenbau Gmbh & Co. Kg | Washing system for cleaning items to be cleaned |
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