WO2005104924A1 - Basket lifting arrangement for a dishwasher - Google Patents

Basket lifting arrangement for a dishwasher Download PDF

Info

Publication number
WO2005104924A1
WO2005104924A1 PCT/SE2005/000515 SE2005000515W WO2005104924A1 WO 2005104924 A1 WO2005104924 A1 WO 2005104924A1 SE 2005000515 W SE2005000515 W SE 2005000515W WO 2005104924 A1 WO2005104924 A1 WO 2005104924A1
Authority
WO
WIPO (PCT)
Prior art keywords
dishwasher
basket
door
dishwasher according
cabinet
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.)
Ceased
Application number
PCT/SE2005/000515
Other languages
French (fr)
Inventor
Fredrik Dellby
Fredrik Bergling
Gregory Peake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to AU2005237388A priority Critical patent/AU2005237388B2/en
Priority to PL05728313T priority patent/PL1744656T3/en
Priority to EP05728313A priority patent/EP1744656B1/en
Priority to NZ550833A priority patent/NZ550833A/en
Priority to US11/568,262 priority patent/US8162419B2/en
Priority to DE602005013203T priority patent/DE602005013203D1/en
Publication of WO2005104924A1 publication Critical patent/WO2005104924A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets
    • A47L15/506—Arrangements for lifting racks for loading or unloading purposes

Definitions

  • Basket lifting arrangement for a dishwasher This invention relates to a dishwasher comprising a wash cabinet having a bottom, two opposite side walls , an upper and a rear wall and an opening that normally is covered by a front door the dishwasher being provided with at least one lower basket for the dish being cleaned, said basket being movable between a first position inside the cabinet and a second position mainly outside the cabinet, the dishwasher at each side of the opening being provided with a support arranged to move mainly vertically in or close to the side walls for raising the lower basket from a lower to an upper position and vice versa Household dishwashers of the floor standing type having means for lifting the lower basket in order to make it easier to load or unload the basket are previously known in the art.
  • Fig. 1 schematically shows a perspective view of a dishwasher with the lower basket in a lower position
  • Fig. 2 is a perspective view of the dishwasher with the lower basket in a lifted up position
  • Fig. 3 is a partly broken perspective view showing a part of the lifting mechanism in two different positions.
  • the dishwasher comprises a wash cabinet 10 provided with a bottom, two side walls 11, an upper and a rear wall and an opening that normally is covered by a front door 12.
  • An upper and a lower basket 13 (upper basket not shown) are provided in the cabinet and the baskets can be pulled out from their position within the cabinet to a position outside the cabinet.
  • the dishwasher is in a conventional way also provided with rotating wash arms, filter means, a circulation pump, an outlet pump and mechanical and electrical control means for distributing cleaning liquid into the cabinet as well as to circulate the liquid in the cabinet in order to clean the dish which is placed on the baskets before the liquid is emptied from the cabinet .
  • the lastmentioned means are however not shown and described in detail since they are not a part of the present invention.
  • the lower basket 13 which is prowided with several rolls 14 can be pulled out from the cabinet 10 by the operator such that the wheels are guided in elongated recesses 15 arranged on the inner side of the door 12 when the door is in a folded down, mainly horizontal position.
  • the lower basket 13 is at its innermost end and at each side provided with a U-shaped catch portion 16 the purpose of which will be explained below.
  • Each side walls 11 is at its front part provided with a C-shaped rail 17 extending almost from the bottom of the cabinet to its top and in which a slider 18 is guided for vertical motion.
  • the slider can be raised and lowered by means of a wire 19 that via pulleys (not shown) mounted in the side walls are connected to a an electric motor (not shown) that can be activated by a control means 20.
  • a switch At each end of at least one of the rails 17 there is a switch (not shown) stopping the upwards or downwards movement of the slider 18.
  • the slider 18 is at its front side provided with a support such as spring loaded arm 21 that can be turned about an axis 22 and having a hook 23.
  • the arm can be turned from an upright position, see the lower part of Fig. 3, in which it the arm rests against a forwardly extending flange portion 24 of the rail 17 to a folded out position, see the upper part of Fig.
  • the dishwasher is further provided with two wires 25 each having one end secured to one of the sliders 18 whereas the other end is secured to a spring (not shown) arranged within the door 12.
  • the wires 25 run freely through an aperture 26 at the side edges of the door 12 and are under the influence of the spring but the pull out motion of the wires from the door is restricted by a separate stop member (not shown), secured to the wire inside the door, or the spring and engaging the door wall when the wires have been pulled out to their end positions.
  • the arrangement operates in the following manner. When picking out the dish from the lower basket the operator pulls out the lower basket 13 from the cabinet 10 and the rolls 14 are thus running in the elongated recesses 15 on the door 12.
  • the wires 25 are gradually pulled out from the door 12 through the aperture depending on the wire interconnection with the sliders 18 until the stop member on the wire engages the inside wall of the door. Then the door starts to turn upwards at the same time as the front rollers 14 start to roll upwards in the recesses 15.
  • continued raising of the sliders 18 means that the basket is gradually lifted.
  • the switches will stop the electric motor and hence the basket will now be in a lifted up position such that it is easy to pick out the dish. Lowering the basket will take place in the reverse order after activating the control means 20.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

This invention relates to a dishwasher comprising a wash cabinet (10) having a bottom, two opposite side walls (11), an upper and a rear wall and an opening that normally is covered by a front door (12). The dishwasher is provided with at least one lower basket (13) for the dish being cleaned, said basket being movable between a first position inside the cabinet and a second position mainly outside the cabinet. The dishwasher is at each side of the opening provided with a support (21) arranged to move mainly vertically in or close to the side walls (11) for raising the lower basket (13) from a lower to an upper position and vice versa. The supports (21) are under the influence of a lifting means (18) arranged to move the supports from an inactive position out of engagement with the lower basket (13) to an active position in which they are in engagement with the lower basket.

Description

Basket lifting arrangement for a dishwasher This invention relates to a dishwasher comprising a wash cabinet having a bottom, two opposite side walls , an upper and a rear wall and an opening that normally is covered by a front door the dishwasher being provided with at least one lower basket for the dish being cleaned, said basket being movable between a first position inside the cabinet and a second position mainly outside the cabinet, the dishwasher at each side of the opening being provided with a support arranged to move mainly vertically in or close to the side walls for raising the lower basket from a lower to an upper position and vice versa Household dishwashers of the floor standing type having means for lifting the lower basket in order to make it easier to load or unload the basket are previously known in the art. The major part of such known devices are provided with torque link arrangements, see for instance US 5115822, arrangements for lifting the door together with the basket, see US 6510858, or manually operated swing arm systems, see JP 10- 179495. These arrangements have however proved to be unsatisfactory with regard to stability and safety and moreover the arrangements are rather complicated and hence expensive. It is also previously known to provide a dishwasher with a height adjustment mechanism for an intermediate basket that is placed between a lower and an upper basket, see US 2003/0042825. This mechanism is provided with means at each side for supporting the guide rails on which the basket rests. The arrangement is primarily intended for adjusting the space above or below the intermediate basket in order to make it possible to wash details having different sizes and the arrangement has a limited vertical movement possibility. The purpose of this invention is to create an ergonomic lifting arrangement for a lower dishwasher basket making it possible for the operator to easily pick out the dish from the basket without the need for bending his back. An additional purpose is to create an arrangement that is stable and safe to use as well as simple and reliable. This is achieved by means of an arrangement having the characteristics mentioned in the claims. An embodiment of the invention will now be described with reference to the accompanying drawings on which Fig. 1 schematically shows a perspective view of a dishwasher with the lower basket in a lower position, Fig. 2 is a perspective view of the dishwasher with the lower basket in a lifted up position whereas Fig. 3 is a partly broken perspective view showing a part of the lifting mechanism in two different positions. As appears from Fig. 1 the dishwasher comprises a wash cabinet 10 provided with a bottom, two side walls 11, an upper and a rear wall and an opening that normally is covered by a front door 12. An upper and a lower basket 13 (upper basket not shown) are provided in the cabinet and the baskets can be pulled out from their position within the cabinet to a position outside the cabinet. The dishwasher is in a conventional way also provided with rotating wash arms, filter means, a circulation pump, an outlet pump and mechanical and electrical control means for distributing cleaning liquid into the cabinet as well as to circulate the liquid in the cabinet in order to clean the dish which is placed on the baskets before the liquid is emptied from the cabinet . The lastmentioned means are however not shown and described in detail since they are not a part of the present invention. The lower basket 13 which is prowided with several rolls 14 can be pulled out from the cabinet 10 by the operator such that the wheels are guided in elongated recesses 15 arranged on the inner side of the door 12 when the door is in a folded down, mainly horizontal position. The lower basket 13 is at its innermost end and at each side provided with a U-shaped catch portion 16 the purpose of which will be explained below. Each side walls 11 is at its front part provided with a C-shaped rail 17 extending almost from the bottom of the cabinet to its top and in which a slider 18 is guided for vertical motion. The slider can be raised and lowered by means of a wire 19 that via pulleys (not shown) mounted in the side walls are connected to a an electric motor (not shown) that can be activated by a control means 20. At each end of at least one of the rails 17 there is a switch (not shown) stopping the upwards or downwards movement of the slider 18. The slider 18 is at its front side provided with a support such as spring loaded arm 21 that can be turned about an axis 22 and having a hook 23. The arm can be turned from an upright position, see the lower part of Fig. 3, in which it the arm rests against a forwardly extending flange portion 24 of the rail 17 to a folded out position, see the upper part of Fig. 3, in which the arm rests against a shoulder 25 of the slider 18. The dishwasher is further provided with two wires 25 each having one end secured to one of the sliders 18 whereas the other end is secured to a spring (not shown) arranged within the door 12. The wires 25 run freely through an aperture 26 at the side edges of the door 12 and are under the influence of the spring but the pull out motion of the wires from the door is restricted by a separate stop member (not shown), secured to the wire inside the door, or the spring and engaging the door wall when the wires have been pulled out to their end positions. The arrangement operates in the following manner. When picking out the dish from the lower basket the operator pulls out the lower basket 13 from the cabinet 10 and the rolls 14 are thus running in the elongated recesses 15 on the door 12. Then the operator pushes the control means 20 such that the electric motor of the winding arrangement is started which means that the wires 19 simultaneously lift the sliders 18 from their lower position illustrated in the bottom of Fig. 3 to a somewhat raised position shown in the upper part of the same figure. Because of the spring forces acting on the arms 21 and the successive rising motion above the upper end of the flanges 24 the arms gradually are turned and finally reach their folded out positions in which the arms rest on the shoulders 27 of the sliders 18. Further rising motion of the slides 18 means that the hooks 23 arranged on the arms 21 move into the catch portions 16 of the basket 13 and start to lift the inner end of the basket. Simultaneously the wires 25 are gradually pulled out from the door 12 through the aperture depending on the wire interconnection with the sliders 18 until the stop member on the wire engages the inside wall of the door. Then the door starts to turn upwards at the same time as the front rollers 14 start to roll upwards in the recesses 15. Thus, continued raising of the sliders 18 means that the basket is gradually lifted. When the sliders reach the upper position of the rails the switches will stop the electric motor and hence the basket will now be in a lifted up position such that it is easy to pick out the dish. Lowering the basket will take place in the reverse order after activating the control means 20. Instead of supporting the basket at the front side by the door and at the rear side by the support arms it is also possible to use solely one support arm at each side of the basket. These support arms could for instance be hidden in the side walls of the dishwasher when not being activated and be folded out when being activated such that they come into engagement with the basket and lift the basket to an upper position.

Claims

Claims
1. Dishwasher comprising a wash cabinet (10) having a bottom, two opposite side walls (11), an upper and a rear wall and an opening that normally is covered by a front door (12) the dishwasher being provided with at least one lower basket (13) for the dish being cleaned, said basket being movable between a first position inside the cabinet and a second position mainly outside the cabinet, the dishwasher at each side of the opening being provided with a support (21) arranged to move mainly vertically in or close to the side walls (11) for raising the lower basket (13) from a lower to an upper position and vice versa characterized in that that the supports (21) are under the influence of a lifting means (18) arranged to move the supports from an inactive position out of engagement with the lower basket (13) to an active position in which they are in engagement with the lower basket.
2. Dishwasher according to claim 1 characterized in that said support (21) is a turnable or extendable arm.
3. Dishwasher according to claim 1 or 2 characterized in that said lifting means (18) is activated by an electric motor connected to a control means (20).
4. Dishwasher according to claim 3 characterized in that said electric motor via a wire system (19) is connected to the lifting means (18).
5. Dishwasher according to any of the previous claims characterized in that the lifting means (18) comprises a slider that is guided mainly vertically by a rail (17).
6. Dishwasher according to any of the previous claims characterized in that the dishwasher further includes a door turning mechanism synchronizing the raising motion of the supports with the door turning motion such that the basket is supported by said supports (21) as well as the door (12).
7. Dishwasher according to claim 6 characterized in that the door is connected to the lifting means via a mechanical connection.
8. Dishwasher according to claim 8 characterized in that said mechanical connection is a wire (25).
9. Dishwasher according to claim 8 characterized in that the door is provided with an aperture (26) through which the wire (25) runs into the door and that the end of the wire in the door is connected to a spring.
0. Dishwasher according to claim 2 characterized in that the arm (21) is spring loaded and cooperates with a flange (24) or the like that turns the arm from a horizontal to a vertical position when the lifting means (18) reaches its lower position.
PCT/SE2005/000515 2004-04-29 2005-04-07 Basket lifting arrangement for a dishwasher Ceased WO2005104924A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2005237388A AU2005237388B2 (en) 2004-04-29 2005-04-07 Basket lifting arrangement for a dishwasher
PL05728313T PL1744656T3 (en) 2004-04-29 2005-04-07 Basket lifting arrangement for a dishwasher
EP05728313A EP1744656B1 (en) 2004-04-29 2005-04-07 Basket lifting arrangement for a dishwasher
NZ550833A NZ550833A (en) 2004-04-29 2005-04-07 Bottom basket lifting arrangement for a dishwasher
US11/568,262 US8162419B2 (en) 2004-04-29 2005-04-07 Basket lifting arrangement for a dishwasher
DE602005013203T DE602005013203D1 (en) 2004-04-29 2005-04-07 BASKET ASSEMBLY FOR A DISHWASHER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0401122A SE0401122D0 (en) 2004-04-29 2004-04-29 Basket lifting arrangement for a dishwasher
SE0401122-7 2004-04-29

Publications (1)

Publication Number Publication Date
WO2005104924A1 true WO2005104924A1 (en) 2005-11-10

Family

ID=32322715

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2005/000515 Ceased WO2005104924A1 (en) 2004-04-29 2005-04-07 Basket lifting arrangement for a dishwasher

Country Status (9)

Country Link
US (1) US8162419B2 (en)
EP (1) EP1744656B1 (en)
AT (1) ATE424753T1 (en)
AU (1) AU2005237388B2 (en)
DE (1) DE602005013203D1 (en)
NZ (1) NZ550833A (en)
PL (1) PL1744656T3 (en)
SE (1) SE0401122D0 (en)
WO (1) WO2005104924A1 (en)

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DE102013226910A1 (en) 2013-12-20 2015-06-25 BSH Hausgeräte GmbH Lifting device and water-conducting household appliance
WO2015185230A1 (en) * 2014-06-05 2015-12-10 Arcelik Anonim Sirketi A dishwasher comprising an elevating means
WO2015185231A1 (en) * 2014-06-06 2015-12-10 Arcelik Anonim Sirketi A dishwasher comprising an elevating means
WO2015185229A1 (en) * 2014-06-05 2015-12-10 Arcelik Anonim Sirketi A dishwasher comprising an elevating means
EP3085294A1 (en) 2015-04-24 2016-10-26 BSH Hausgeräte GmbH Lifting device and dishwasher
DE102015211495A1 (en) 2015-06-22 2016-12-22 BSH Hausgeräte GmbH Lifting device and dishwasher
DE102015211362A1 (en) 2015-06-19 2016-12-22 BSH Hausgeräte GmbH Lifting device and dishwasher
DE102015211492A1 (en) 2015-06-22 2016-12-22 BSH Hausgeräte GmbH Lifting device and dishwasher
ES2613047A1 (en) * 2015-11-19 2017-05-22 Bsh Electrodomésticos España, S.A. Lifting device and dishwasher machine.
US10638913B2 (en) 2014-12-22 2020-05-05 BSH Hausgeräte GmbH Lower rack for a domestic dishwasher having a lower-rack raising means
DE102019215312A1 (en) * 2019-10-07 2021-04-08 BSH Hausgeräte GmbH Household dishwasher

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US10080479B2 (en) 2016-01-18 2018-09-25 Haier Us Appliance Solutions, Inc. Lower rack assembly for dishwasher appliance
US10231599B2 (en) 2016-03-28 2019-03-19 Haier Us Appliance Solutions, Inc. Lower rack assembly for dishwasher appliance
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US9895046B1 (en) 2016-12-27 2018-02-20 Midea Group Co., Ltd. Dishwasher rack lift system
DE102017213699B4 (en) 2017-08-07 2025-05-08 BSH Hausgeräte GmbH household dishwasher
US10702125B2 (en) 2017-09-29 2020-07-07 Midea Group Co., Ltd. Retracting dishwasher rack system
CN108403055B (en) * 2018-05-09 2024-03-26 火星人厨具股份有限公司 Liftable bowl basket of kitchen ware
EP3801181A1 (en) 2018-05-25 2021-04-14 Arçelik Anonim Sirketi A dishwasher comprising a movable basket
USD929683S1 (en) * 2018-09-17 2021-08-31 Lg Electronics Inc. Dishwasher
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Cited By (17)

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Publication number Priority date Publication date Assignee Title
DE102013226910A1 (en) 2013-12-20 2015-06-25 BSH Hausgeräte GmbH Lifting device and water-conducting household appliance
WO2015091646A1 (en) 2013-12-20 2015-06-25 BSH Hausgeräte GmbH Lifting device and water-bearing domestic appliance
WO2015185230A1 (en) * 2014-06-05 2015-12-10 Arcelik Anonim Sirketi A dishwasher comprising an elevating means
WO2015185229A1 (en) * 2014-06-05 2015-12-10 Arcelik Anonim Sirketi A dishwasher comprising an elevating means
WO2015185231A1 (en) * 2014-06-06 2015-12-10 Arcelik Anonim Sirketi A dishwasher comprising an elevating means
US10638913B2 (en) 2014-12-22 2020-05-05 BSH Hausgeräte GmbH Lower rack for a domestic dishwasher having a lower-rack raising means
EP3085294A1 (en) 2015-04-24 2016-10-26 BSH Hausgeräte GmbH Lifting device and dishwasher
DE102015211362A1 (en) 2015-06-19 2016-12-22 BSH Hausgeräte GmbH Lifting device and dishwasher
DE102015211492A1 (en) 2015-06-22 2016-12-22 BSH Hausgeräte GmbH Lifting device and dishwasher
WO2016206912A1 (en) 2015-06-22 2016-12-29 BSH Hausgeräte GmbH Lifting device and dishwasher
DE102015211492B4 (en) * 2015-06-22 2017-12-14 BSH Hausgeräte GmbH Lifting device and dishwasher
DE102015211495B4 (en) * 2015-06-22 2017-12-14 BSH Hausgeräte GmbH Lifting device and dishwasher
CN107809937A (en) * 2015-06-22 2018-03-16 Bsh家用电器有限公司 Jacking equipment and dish-washing machine
DE102015211495A1 (en) 2015-06-22 2016-12-22 BSH Hausgeräte GmbH Lifting device and dishwasher
ES2613047A1 (en) * 2015-11-19 2017-05-22 Bsh Electrodomésticos España, S.A. Lifting device and dishwasher machine.
DE102019215312A1 (en) * 2019-10-07 2021-04-08 BSH Hausgeräte GmbH Household dishwasher
WO2021069212A1 (en) 2019-10-07 2021-04-15 BSH Hausgeräte GmbH Domestic dishwasher

Also Published As

Publication number Publication date
US8162419B2 (en) 2012-04-24
ATE424753T1 (en) 2009-03-15
SE0401122D0 (en) 2004-04-29
US20090009040A1 (en) 2009-01-08
PL1744656T3 (en) 2009-08-31
EP1744656A1 (en) 2007-01-24
NZ550833A (en) 2009-10-30
EP1744656B1 (en) 2009-03-11
AU2005237388A1 (en) 2005-11-10
DE602005013203D1 (en) 2009-04-23
AU2005237388B2 (en) 2010-07-22

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