EP0514984A1 - Tür für Haushaltsgerät - Google Patents

Tür für Haushaltsgerät Download PDF

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Publication number
EP0514984A1
EP0514984A1 EP92201409A EP92201409A EP0514984A1 EP 0514984 A1 EP0514984 A1 EP 0514984A1 EP 92201409 A EP92201409 A EP 92201409A EP 92201409 A EP92201409 A EP 92201409A EP 0514984 A1 EP0514984 A1 EP 0514984A1
Authority
EP
European Patent Office
Prior art keywords
door
household appliance
movable
opening
recess
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.)
Withdrawn
Application number
EP92201409A
Other languages
English (en)
French (fr)
Inventor
Luigi Caforio
Giuseppe Schena
Marcello Premoli
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.)
Whirlpool EMEA SpA
Original Assignee
Merloni Elettrodomestici SpA
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 Merloni Elettrodomestici SpA filed Critical Merloni Elettrodomestici SpA
Publication of EP0514984A1 publication Critical patent/EP0514984A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
    • E05C3/16—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C3/22—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled
    • E05C3/24—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled in the form of a bifurcated member
    • 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
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
    • 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
    • D06F39/14—Doors or covers; Securing means therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B5/00—Handles completely let into the surface of the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators

Definitions

  • the present invention relates to a door for household appliance comprising a frontal wall, wherein an opening, covered by a movable opening flap is provided, in which it is possible to introduce the fingers of a hand.
  • Such doors are provided with more or less complex closure systems, depending of the type of household appliance: for example refrigerators do not need particular devices, in as much they normally provide magnetic elements that maintain the door closed; in the same way, as with domestic ovens, the door is maintained in the closure position by means of springs.
  • the openings handles of doors of electric household appliances are of different kinds, depending on the necessity: in some cases it is sufficient to provide the user a simple handle to exercise a pulling motion (as in the case of refrigerators and ovens), while in other cases it is more convenient to provide a handle that commands a blockage latch of the door (washing machines and dish washers).
  • a door of the indicated type is known for example by the French patent n. 2 409 458, which describes a handle for the door of a cooking oven, consisting in an opening in the upper wall of the door and closed by an opening flap.
  • Such door is not endowed with a closure latch, but only held in the closed position by a spring; such solution, as anticipated, can be sufficient for refrigerators or ovens, but is not always safe, particularly in the case of washing machines.
  • Another typical problem of the known washing machines is that of preventing that jets of hot water, coming from rotary collectors, can strike the user. This can happen in the case of sudden openings of the door during the washing cycle, mainly when the machine is utilizing hot water, because the stopping of the rotary collectors that spray the dishes is not immediate, even if the electric supply circuit of the pump has been interrupted.
  • the aim of the present invention is thus that of indicating a door for household appliances that overcomes the drawbacks presented from the known doors, and more precisely that it is furnished with a closing latch, the opening of which does not present difficulties, having a high level of security for the user and the aesthetic appearance is safeguarded.
  • the present invention has as its object a door for household appliances comprising a frontal wall, in which an opening, closed with a movable opening flap is provided, in which it is to possible introduce the fingers of a hand, characterised in that a limb of the opening is also movable, and that the pulling movement carried-out with the fingers on such limb, causes the unhooking of the closure latch of the door.
  • the reference number 1 indicates the frontal wall of the door, which is vertical and is hinged downwardly to the cabinet of the machine;
  • the reference number 2 indicates an opening (visible more clearly in part B of the Figure) made in said frontal wall;
  • the reference number 3 indicates the upper limb of said opening, that is movable, as will be mentioned in detail later, and that, in the closed door position, is aligned with the frontal wall 1, to form a single vertical surface;
  • the reference number 4 indicates a lever that makes up part of the mechanism of the closing latch of the door;
  • the reference number 5 indicates a pivot that is engaged in a fork obtained in the lever 4; the pivot 5 is connected, through a bar indicated with the reference number 6, to the cabinet of the household appliance (lever 4, bar 6 and pivot 5 therefore constitute the actual latch).
  • the reference number 7 indicates a movable opening flap, hinged in its lower point 8, that, under the action of a spring, not represented, normally closes the opening 2, aligning itself with the frontal wall 1 of the door and with the movable limb 3, so forming a single vertical surface; said opening flap has, towards the interior of the door, a protruding element 18, the function of which will be explained below.
  • the reference number 9 indicates the secured lower limb of the opening 2; also such lower flap 9 is aligned with the other described elements 1, 3 and 7; the reference number 10 indicates the hinging point of a lever, indicated with the reference number 11, that is as one with the movable upper limb 3 of the opening 2; the lever 11 has a first superior recess 16 of an approximately triangular form, in which, with the door closed, engages a protrusion, indicated with the reference number 12, having the form of a tooth, and being as one with the lever 4 already described. The same lever 11 then has a second superior recess 17, to the right of the previous, that, as illustrated herein below, is engaged by the protrusion 12 in the door open condition.
  • the lever 11 is furthermore furnished with a spiral spring 19, that tends to rotate the same lever in a clockwise sense.
  • the reference number 13 indicates the pivot of said lever 4; the reference number 14 indicates a spiral spring that tends to rotate the lever 4 in counter clockwise sense, i.e. in the opening position of the latch; the reference number 20 indicates a secured element, that has the aim of limiting the movement of the lever 4.
  • the reference numbers 15 and 21 indicate respectively a button security breaker and a micro switch, of a substantially known type, placed in series within the electric circuit supply, that provides in interrupting the power supply of the machine any time that the door is or is about to be opened.
  • the user introduces his fingers in the opening 2, pushing the opening flap 7 against the action of its spring.
  • the micro switch 21 intervenes practically in an instantaneous manner, also due to the fact that it is more ready to intervene respects the security breaker 15 (this is possible also as consequence of the fact that the small bar 22 also feels slight movements). In such a way a time margin is obtained, sufficient in eliminating the cited risks.
  • the lever 11 determines the pressure of the button breaker 15, that causes a further interruption in the electric supply circuit, and warrants the necessary security (breakers 15 and 21 are in fact connected in series between them: in this way the electric open circuit condition is maintained constant by the breaker 15 for all the time that the door (or, if we prefer, the latch) remains open; the user, even upon removing his fingers, thus releasing the opening flap 7 and causing the closure of the micro switch 21, does not run any risk of the machine being re-activated).
  • pivot 5 and lever 4 enter in contact; more in detail the pivot 5 enters the fork obtained in the lever 4, that is forced to rotate clockwise until having reached the initial position; therefore, the tooth 12 is moved from the second recess 17 to the first recess 16 and the lever 11, under the action of the spring 19, upwardly rotates, releasing the breaker 15: thus returning to the initial condition, as illustrated in part A of Figure 1.
  • the limb 3 is not aligned with the frontal wall 1-9 of the door, as can be seen in the part B of Figure 1.
  • the opening flap 7 can provide a type of groove on its upper edge, of the type indicated in Figure 3 with the reference number 23, to enable an easier introduction of the fingers.
  • the same could provide as to the interior of the door a suitable shaping, for example being of a concave form.
  • the position or the length of the small bar 22 can be different if compared to that illustrated in the figure; for example it could be nearer to the protruding element 18, when the opening flap 7 is closed, in such a way that also the minimum displacement of the mentioned opening flap 7 causes the interruption of the electric supply of the household appliance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Washing And Drying Of Tableware (AREA)
EP92201409A 1991-05-21 1992-05-19 Tür für Haushaltsgerät Withdrawn EP0514984A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO910374 1991-05-21
ITTO910374A IT1245812B (it) 1991-05-21 1991-05-21 Sportello per elettrodomestico

Publications (1)

Publication Number Publication Date
EP0514984A1 true EP0514984A1 (de) 1992-11-25

Family

ID=11409359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92201409A Withdrawn EP0514984A1 (de) 1991-05-21 1992-05-19 Tür für Haushaltsgerät

Country Status (2)

Country Link
EP (1) EP0514984A1 (de)
IT (1) IT1245812B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4343974A1 (de) * 1993-12-22 1995-06-29 Bosch Siemens Hausgeraete Tür für Haushaltgerät
EP0669098A1 (de) * 1994-02-23 1995-08-30 MERLONI ELETTRODOMESTICI S.p.A. Waschmaschine, insbesondere Geschirrspülmaschine, mit dekorativem Frontabdeckpaneel
EP0727178A2 (de) * 1995-02-14 1996-08-21 YMOS AKTIENGESELLSCHAFT Industrieprodukte Schliessvorrichtung für die Tür einer Spülmaschine
ITRM20120055A1 (it) * 2012-02-20 2013-08-21 Bitron Spa Dispositivo blocco-porta per un portello di un elettrodomestico.
WO2017059911A1 (en) * 2015-10-08 2017-04-13 Arcelik Anonim Sirketi Laundry machine having an improved door locking mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243538A1 (de) * 1972-09-05 1974-03-14 Sievers Fa Carl Griffbeschlag, insbesondere fuer kraftfahrzeuge
FR2294675A1 (fr) * 1974-12-19 1976-07-16 Electrolux Ab Dispositif de verrouillage de porte pour machine a laver la vaisselle
DE3314681A1 (de) * 1983-04-22 1984-10-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Geraetetuer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243538A1 (de) * 1972-09-05 1974-03-14 Sievers Fa Carl Griffbeschlag, insbesondere fuer kraftfahrzeuge
FR2294675A1 (fr) * 1974-12-19 1976-07-16 Electrolux Ab Dispositif de verrouillage de porte pour machine a laver la vaisselle
DE3314681A1 (de) * 1983-04-22 1984-10-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Geraetetuer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4343974A1 (de) * 1993-12-22 1995-06-29 Bosch Siemens Hausgeraete Tür für Haushaltgerät
EP0669098A1 (de) * 1994-02-23 1995-08-30 MERLONI ELETTRODOMESTICI S.p.A. Waschmaschine, insbesondere Geschirrspülmaschine, mit dekorativem Frontabdeckpaneel
EP0727178A2 (de) * 1995-02-14 1996-08-21 YMOS AKTIENGESELLSCHAFT Industrieprodukte Schliessvorrichtung für die Tür einer Spülmaschine
EP0727178A3 (de) * 1995-02-14 1997-05-07 Ymos Ag Ind Produkte Schliessvorrichtung für die Tür einer Spülmaschine
ITRM20120055A1 (it) * 2012-02-20 2013-08-21 Bitron Spa Dispositivo blocco-porta per un portello di un elettrodomestico.
WO2013124873A3 (en) * 2012-02-20 2014-09-12 Bitron S.P.A. Door-lock device for a door of a household appliance
WO2017059911A1 (en) * 2015-10-08 2017-04-13 Arcelik Anonim Sirketi Laundry machine having an improved door locking mechanism

Also Published As

Publication number Publication date
IT1245812B (it) 1994-10-18
ITTO910374A0 (it) 1991-05-21
ITTO910374A1 (it) 1992-11-21

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