EP0096017B1 - Top loaded washing machine - Google Patents

Top loaded washing machine Download PDF

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Publication number
EP0096017B1
EP0096017B1 EP83850129A EP83850129A EP0096017B1 EP 0096017 B1 EP0096017 B1 EP 0096017B1 EP 83850129 A EP83850129 A EP 83850129A EP 83850129 A EP83850129 A EP 83850129A EP 0096017 B1 EP0096017 B1 EP 0096017B1
Authority
EP
European Patent Office
Prior art keywords
back wall
top cover
cabinet according
supporting
hook
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
Application number
EP83850129A
Other languages
German (de)
French (fr)
Other versions
EP0096017A2 (en
EP0096017A3 (en
Inventor
Georges Victor Snelders
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.)
Usines & Fonderies Arthur Martin Sa
Original Assignee
Usines & Fonderies Arthur Martin Sa
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 Usines & Fonderies Arthur Martin Sa filed Critical Usines & Fonderies Arthur Martin Sa
Priority to AT83850129T priority Critical patent/ATE20916T1/en
Publication of EP0096017A2 publication Critical patent/EP0096017A2/en
Publication of EP0096017A3 publication Critical patent/EP0096017A3/en
Application granted granted Critical
Publication of EP0096017B1 publication Critical patent/EP0096017B1/en
Expired legal-status Critical Current

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Classifications

    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs

Definitions

  • the present invention pertains to top loaded washing machines and more specifically to a cabinet for such a machine as indicated in the preamble of the appending Claim 1.
  • a washing machine of the kind referred to usually comprises a metal frame in the shape of an open-sided box, the bottom part of which consisting of a rigid plate.
  • the frame supports all the parts included in the washing machine, and the open sides are covered by plates of sheet metal joined to the frame by screws or the like. Also joined to the frame in a similar way is a top cover including the loading door.
  • a frameless washing machine is disclosed in LU-A-47825.
  • all cabinet parts have still to be joined together by a great number of screws involving the same drawbacks as in connection with machines having a frame as referred to above.
  • the main object of the invention is to provide a frameless washing machine cabinet of the kind referred to which can be assembled in an easy way, preferably on an automatic assembly line, and which includes a part made of electrically insulating material, preferably plastics material, on which most of the electric components may be mounted.
  • This object has been achieved in a washing machine cabinet having the features included in the appending claims.
  • a cabinet 10 comprises a base 11, side walls 12,13 a front wall 14, a back wall 15 and a top cover 16 including a loading opening 17 covered by a door 18.
  • the two side walls 12, 13 and the front wall 14 are made in one piece which is secured to the back wall 15 by screw joints.
  • holes 19, 20 in folded edges 12a, 13a of the side walls 12, 13 and aligned holes 21, 22 along the vertical edges of the back wall are to be interconnected by screws, not shown.
  • the lower edge 14a of the front wall is bent through 90° and engages a recess 23 in the base 11.
  • the lower edges 12b, 13b of the side walls are folded to form a bottom surface bearing on the base.
  • the upper ends of the side walls are bent inwards-upwards to form edges 12c, 13c which extend inside the top cover 16 and are covered by side walls 24 of the top cover.
  • edges 12c, 13c which extend inside the top cover 16 and are covered by side walls 24 of the top cover.
  • the upper end of the front wall 14 is bent to form an edge 14b directed upwards and covered by a down-bent front edge 16a of the top cover.
  • the top cover is mounted on the back wall by two supporting arms 25, one of which is shown in Fig. 1 and Fig. 2.
  • the supporting arms which are symmetrically disposed, each bears on a supporting surface formed by projections 26 on the back wall 15.
  • a circular stud 27 engages with a correspondingly formed recess 28 in the supporting arm 25 to lock the top cover in the mounted position.
  • the top cover 16 is secured to the front wall by screws or the like joining the down-bent front edge 16a to the front wall 14.
  • the back wall 15 has supporting portions 29 that rest on a supporting surface 30 on the base 11.
  • the back wall is secured in place by hook members 31 provided on the back wall, the said hook members being inserted into holes 32 in the base so as to cooperate with edges of the holes to prevent upward movement of the back wall.
  • L-shaped lugs 33, 34 provided on the back wall have each one leg extending under the base and the other leg secured to the back side edge 35 of the base by screws or the like, not shown.
  • the back wall In its right lower part the back wall is provided with a recess defining a room 36 in which electric components 37 are mounted. Another recess in the upper part of the back wall defines a room 38 in which other components, such as a water inlet magnetic valve 39, are mounted.
  • the room 38 is covered from above by an operating panel 40 on which are mounted operating and indicating means.
  • FIGs. 2 and 3 show a programmer 41 being mounted on the operating panel 40, the programmer having a setting knob 42.
  • a wiring 43 interconnecting the electric components 37 with the components mounted in the room 38 and on the operating panel 40 is placed in a channel 44 extending along the right edge of the back wall. In the assembled machine the channel 44 is covered by the bent-over edge 13a of the side wall 13.
  • the operating panel 40 is swingably mounted on the back wall by two hinges 45, one of which is shown in Fig. 3.
  • the mounting panel also at each side is provided with a curved strip 46 having a correspondingly shaped slit 47 which engages with a locking screw 48.
  • the operating panel may be set to different angular positions called for to suit different design requirements for alternative models of the same basic washing machine concept.
  • the operating panel is locked by the screw 48 and a cover 49 is applied to complete the operating panel arrangement.
  • the cover 49 has. tabs 50 which may be inserted in holes 51 in the upper part of the back wall 15.
  • the cover has a flat part 52 which when mounted covers the room 38 in the back wall 15.
  • the fiat part is secured to the back wall 15 by screws or the like, not shown.
  • the cabinet For draining off water from the washing machine the cabinet has a water through connection 53 consisting of a short tube 54 made integral with the back wall 15. From outside a pipe joint in the shape of an L-shaped tube 55 is inserted in the short tube 54 and sealing is achieved by an 0-ring 56 being mounted in a groove 57 of the L-shaped tube 55 and at its outer periphery abutting the inner surface of the tube 54.
  • the L-shaped tube 55 has a flange 58 which when the tube 55 has been inserted in the tube 54 falls into an angular groove 59 to be axially clamped between the back end of the tube 54 and a circular retaining edge 60 provided on a conical part 61 being integral with the back wall 15.
  • the retaining edge is split into two parts by cut-outs 62.
  • the clamping pressure between parts 54 and 60 is selected so as to secure the tube 55 in place, however permitting the tube 55 to be turned relative to the tube 54.
  • Suitable hoses may be connected to the free ends of the tubes 54 and 55 respectively.
  • the invention provides a washing machine cabinet that does not require a frame as used heretofore. Instead the different parts forming the cabinet are secured to each other by cooperating projections, holes, studs and recesses. Only to a limited extent screws or the like have been used to join parts together. Accordingly, the assembly of the washing machine including the cabinet of the invention has been drastically simplified and as a consequence the assembly costs have been reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

A top loaded washing machine cabinet comprises a base, a back wall, a top cover including a loading opening covered by a door, a front wall and two side walls. The base, the back wall and the top cover are loosely secured to each other by hook-shaped fixing members being provided on one part and cooperating with hook-receiving locking means provided on the opposite part.

Description

  • The present invention pertains to top loaded washing machines and more specifically to a cabinet for such a machine as indicated in the preamble of the appending Claim 1.
  • A washing machine of the kind referred to usually comprises a metal frame in the shape of an open-sided box, the bottom part of which consisting of a rigid plate. The frame supports all the parts included in the washing machine, and the open sides are covered by plates of sheet metal joined to the frame by screws or the like. Also joined to the frame in a similar way is a top cover including the loading door.
  • When assembling the washing machine cabinet a lot of screws must be mounted. This mounting has to be carried out manually and is time consuming. Moreover, the building-up of a frame to be covered by the side and top walls involves work that could be reduced by integrating the function of the frame in the wall assembly.
  • A frameless washing machine is disclosed in LU-A-47825. However, all cabinet parts have still to be joined together by a great number of screws involving the same drawbacks as in connection with machines having a frame as referred to above.
  • In present-top loaded washing machines the various electric and electronic components have to be mounted in different positions on metal parts secured to or being part of the frame. This mounting involves problems as to electrical security, and measures must be taken to have the components correctly insulated from the metal frame. Also the wiring interconnecting the various electric components must be properly insulated from the metal parts of the machine.
  • Hence, the main object of the invention is to provide a frameless washing machine cabinet of the kind referred to which can be assembled in an easy way, preferably on an automatic assembly line, and which includes a part made of electrically insulating material, preferably plastics material, on which most of the electric components may be mounted. This object has been achieved in a washing machine cabinet having the features included in the appending claims.
  • Other objects and advantages will be apparent from the following description of an embodiment in connection with the appending drawings.
    • Fig. 1 is a perspective view of a washing machine cabinet with some parts disassembled.
    • Fig. 2 is a side view of the cabinet of Fig. 1.
    • Fig. 3 is a back view of the cabinet shown in Figs. 1 and 2.
    • Fig. 3a is a section along the line 3a-3a in Fig. 3 showing a drainage hose connection.
  • In the drawings a cabinet 10 comprises a base 11, side walls 12,13 a front wall 14, a back wall 15 and a top cover 16 including a loading opening 17 covered by a door 18. The two side walls 12, 13 and the front wall 14 are made in one piece which is secured to the back wall 15 by screw joints. In Fig. 3 holes 19, 20 in folded edges 12a, 13a of the side walls 12, 13 and aligned holes 21, 22 along the vertical edges of the back wall are to be interconnected by screws, not shown. The lower edge 14a of the front wall is bent through 90° and engages a recess 23 in the base 11. The lower edges 12b, 13b of the side walls are folded to form a bottom surface bearing on the base. The upper ends of the side walls are bent inwards-upwards to form edges 12c, 13c which extend inside the top cover 16 and are covered by side walls 24 of the top cover. In the same way the upper end of the front wall 14 is bent to form an edge 14b directed upwards and covered by a down-bent front edge 16a of the top cover.
  • The top cover is mounted on the back wall by two supporting arms 25, one of which is shown in Fig. 1 and Fig. 2. The supporting arms, which are symmetrically disposed, each bears on a supporting surface formed by projections 26 on the back wall 15. At each side of the cabinet a circular stud 27 engages with a correspondingly formed recess 28 in the supporting arm 25 to lock the top cover in the mounted position. The top cover 16 is secured to the front wall by screws or the like joining the down-bent front edge 16a to the front wall 14.
  • The back wall 15 has supporting portions 29 that rest on a supporting surface 30 on the base 11. The back wall is secured in place by hook members 31 provided on the back wall, the said hook members being inserted into holes 32 in the base so as to cooperate with edges of the holes to prevent upward movement of the back wall. L- shaped lugs 33, 34 provided on the back wall have each one leg extending under the base and the other leg secured to the back side edge 35 of the base by screws or the like, not shown.
  • In its right lower part the back wall is provided with a recess defining a room 36 in which electric components 37 are mounted. Another recess in the upper part of the back wall defines a room 38 in which other components, such as a water inlet magnetic valve 39, are mounted. The room 38 is covered from above by an operating panel 40 on which are mounted operating and indicating means. As an example Figs. 2 and 3 show a programmer 41 being mounted on the operating panel 40, the programmer having a setting knob 42. A wiring 43 interconnecting the electric components 37 with the components mounted in the room 38 and on the operating panel 40 is placed in a channel 44 extending along the right edge of the back wall. In the assembled machine the channel 44 is covered by the bent-over edge 13a of the side wall 13.
  • The operating panel 40 is swingably mounted on the back wall by two hinges 45, one of which is shown in Fig. 3. The mounting panel also at each side is provided with a curved strip 46 having a correspondingly shaped slit 47 which engages with a locking screw 48. By this arrangement the operating panel may be set to different angular positions called for to suit different design requirements for alternative models of the same basic washing machine concept. In the set position the operating panel is locked by the screw 48 and a cover 49 is applied to complete the operating panel arrangement. The cover 49 has. tabs 50 which may be inserted in holes 51 in the upper part of the back wall 15. The cover has a flat part 52 which when mounted covers the room 38 in the back wall 15. The fiat part is secured to the back wall 15 by screws or the like, not shown.
  • For draining off water from the washing machine the cabinet has a water through connection 53 consisting of a short tube 54 made integral with the back wall 15. From outside a pipe joint in the shape of an L-shaped tube 55 is inserted in the short tube 54 and sealing is achieved by an 0-ring 56 being mounted in a groove 57 of the L-shaped tube 55 and at its outer periphery abutting the inner surface of the tube 54. The L-shaped tube 55 has a flange 58 which when the tube 55 has been inserted in the tube 54 falls into an angular groove 59 to be axially clamped between the back end of the tube 54 and a circular retaining edge 60 provided on a conical part 61 being integral with the back wall 15. To make insertion of the tube 55 possible the retaining edge is split into two parts by cut-outs 62. The clamping pressure between parts 54 and 60 is selected so as to secure the tube 55 in place, however permitting the tube 55 to be turned relative to the tube 54. Suitable hoses may be connected to the free ends of the tubes 54 and 55 respectively.
  • From the foregoing description it will become clear that the invention provides a washing machine cabinet that does not require a frame as used heretofore. Instead the different parts forming the cabinet are secured to each other by cooperating projections, holes, studs and recesses. Only to a limited extent screws or the like have been used to join parts together. Accordingly, the assembly of the washing machine including the cabinet of the invention has been drastically simplified and as a consequence the assembly costs have been reduced.

Claims (13)

1. Top loaded washing machine cabinet (10) comprising a base (11), a back wall (15), a top cover (16) including a loading opening (17) covered by a door (18), a front wall (14) and two side walls (12, 13), characterized in that the front (14) and side walls (12, 13) form a single unit and that the back wall (15) is loosely secured to the base (11) and top cover (16), respectively, by hook-shaped fixing members (25; 31) which are provided on one part and cooperate with hook-receiving locking means (26, 27, 28; 32) provided on the opposite part such that the base (11), back wall (15) and top cover (16) form a self-supporting unit, the single unit (12, 13, 14) being connected to the self-supporting unit (11, 15, 16) by screw joints securing bent portions (12a, 13a) of the single unit, at the free vertical edges thereof, to the back wall (15).
2. Cabinet according to Claim 1, characterized in that the back wall (15) as well as the top cover (16) are made of plastics material, the back wall having at least one hook means (31) insertable in a corresponding hole (32) provided in the base (11), the hook means (31) and the hole (32) cooperating to prevent upward movememt of the back wall (15), the backwall further having at least one supporting portion (29) resting on a supporting surface (30) on the base.
3. Cabinet according to Claim 2, characterized in that the back wall (15) has at least one additional hook means (33, 34) of L-shape, one leg of which extending inwardly under the base and the other leg of which being secured to a side wall (35) of the base (11) by a detachable joint, such as a screw joint.
4. Cabinet according to Claim 3, characterized by two additional hook means (33, 34) being symmetrically arranged on the back wall (15).
5. Cabinet according to any of the preceding claims, characterized in that the back wall (15) is provided with supporting surfaces (26) for hook members (25) provided on the top cover (16), the hook members having locking recesses (28) which cooperate with locking projections (27) on the back wall (15).
6. Cabinet according to Claim 5, characterised in that at each side the back part of the top cover is provided with elongate supporting arms constituting the hook members (25), each supporting arm resting on the supporting surface (26) at a distance from the free end of the supporting arm, said arm close to its free end being provided with a recess (28) which from below engages with a locking stud (27) extending sideways from the back wall (15).
7. Cabinet according to any of the preceding claims, characterized in that the upper ends of the side walls (12, 13) and the front wall (14) are bent to form a supporting surface for the top cover (16) as well as a vertical edge (12c, 13c) which extends parallel to the main part of the respective wall and projects inside a vertical edge (24) surrounding the top cover (16), the top cover and the front wall (14) being interconnected by at least one screw joint or the like.
8. Cabinet according to any of the preceding claims, characterized in that the back wall (15) has at least one room (36, 38) in which electric and electronic components are mounted, the room being closable by a cover (52) fixed by screw joints or the like.
9. Cabinet according to Claim 8, characterized in that one room (36) is provided in the lower part and an additional room (38) in the upper part of the back wall (15), electric and electronic components being mounted in both rooms and the upper room (38) being closed from above by an operating panel (40) supporting operating and indicating means, the back wall (15) along one of its vertical edges being provided with a channel (44) taking up the wiring interconnecting components in the lower room (36) with components and operating and indicating means in the upper room (38), the channel (44) being closed by a bent vertical edge (13a) of one of the side walls (13).
10. Cabinet according to Claim 9, characterised in that the operating panel (40) comprises a supporting plate carrying the operating means (41, 42) such as knobs and push-buttons and indicating means cooperating with a cover (49) enclosing the supporting plate, said cover having a vertical part (52) closing the additional room (38).
11. Cabinet according to Claim 10, characterized in that the supporting plate is pivotally mounted in the upper part of the back wall (15), the inclination of the supporting plate being settable within an angular range intermediate a plane parallel to the plane of the top cover (16) and a plane parallel to the plane of the back wall (15).
12. Cabinet according to any of the preceding claims, characterized in that the back wall (15) has an integral through tube (54) having a free end positioned within the cabinet (10) and connectable to the drainage system of the washing machine, the tube sealingly and rotatably mounting a pipe joint (55), the outer end of which being connectable to a drainage hose.
13. Cabinet according to Claim 12, characterized in that the pipe joint (55) has a flange (58) which cooperates with hook members (61) in the back wall (15) to retain the pipe joint (55) in the tube (54).
EP83850129A 1982-06-02 1983-05-16 Top loaded washing machine Expired EP0096017B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83850129T ATE20916T1 (en) 1982-06-02 1983-05-16 TOP LOADING WASHING MACHINE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8209604 1982-06-02
FR8209604A FR2528081A1 (en) 1982-06-02 1982-06-02 JACKET FOR WASHING MACHINE LOADED FROM ABOVE

Publications (3)

Publication Number Publication Date
EP0096017A2 EP0096017A2 (en) 1983-12-07
EP0096017A3 EP0096017A3 (en) 1984-01-04
EP0096017B1 true EP0096017B1 (en) 1986-07-23

Family

ID=9274564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83850129A Expired EP0096017B1 (en) 1982-06-02 1983-05-16 Top loaded washing machine

Country Status (6)

Country Link
EP (1) EP0096017B1 (en)
AT (1) ATE20916T1 (en)
DE (1) DE3364692D1 (en)
ES (1) ES281189Y (en)
FI (1) FI77476C (en)
FR (1) FR2528081A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003087459A1 (en) * 2002-04-10 2003-10-23 Fisher & Paykel Appliances Limited A laundry appliance

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8801038A (en) * 1988-04-21 1989-11-16 Lely Nv C Van Der DEVICE FOR DISTRIBUTION OF MATERIAL.
IT231965Y1 (en) * 1993-05-20 1999-08-10 Zanussi Elettrodomestici WASHING MACHINES WITH PERFECTED FURNITURE
US7249742B2 (en) 2002-04-10 2007-07-31 Fisher & Paykel Appliances Limited Self-levelling foot arrangement for an appliance
US6968632B2 (en) 2002-04-10 2005-11-29 Fisher & Paykel Appliances Limited Laundry appliance
US8215729B2 (en) 2010-04-13 2012-07-10 Whirlpool Corporation Appliance cabinet and method of assembling same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2295304A (en) * 1941-02-27 1942-09-08 Edison General Elec Appliance Cabinet structure
FR1204918A (en) * 1958-10-16 1960-01-28 Laden Washing machine body lock
LU47825A1 (en) * 1965-01-22 1965-07-22
FR1520703A (en) * 1967-03-01 1968-04-12 Chalectro Cie Des Machiens A L Cage frame washing machine
FR2082075A5 (en) * 1970-03-03 1971-12-10 Chalectro
US3692377A (en) * 1971-01-11 1972-09-19 Westinghouse Electric Corp Electrical connection box arrangement for appliance
FR2173825B1 (en) * 1972-03-03 1975-06-13 Chalectro
ES470524A1 (en) * 1978-05-26 1979-02-01 Domar Sa Improvements in and relating to washing machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003087459A1 (en) * 2002-04-10 2003-10-23 Fisher & Paykel Appliances Limited A laundry appliance
CN102505431B (en) * 2002-04-10 2014-09-24 菲舍尔和佩克尔应用有限公司 A laundry appliance

Also Published As

Publication number Publication date
FR2528081A1 (en) 1983-12-09
EP0096017A2 (en) 1983-12-07
FR2528081B1 (en) 1985-03-22
ES281189U (en) 1985-08-01
ES281189Y (en) 1986-04-16
FI77476B (en) 1988-11-30
FI831946A0 (en) 1983-05-31
FI831946L (en) 1983-12-03
ATE20916T1 (en) 1986-08-15
DE3364692D1 (en) 1986-08-28
FI77476C (en) 1989-03-10
EP0096017A3 (en) 1984-01-04

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