EP1001069A1 - Vorrichtung zum Fernöffnen von Türen insbesondere bei Waschmaschinen - Google Patents

Vorrichtung zum Fernöffnen von Türen insbesondere bei Waschmaschinen Download PDF

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Publication number
EP1001069A1
EP1001069A1 EP98110197A EP98110197A EP1001069A1 EP 1001069 A1 EP1001069 A1 EP 1001069A1 EP 98110197 A EP98110197 A EP 98110197A EP 98110197 A EP98110197 A EP 98110197A EP 1001069 A1 EP1001069 A1 EP 1001069A1
Authority
EP
European Patent Office
Prior art keywords
slide
hook
door
spring
washing
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.)
Granted
Application number
EP98110197A
Other languages
English (en)
French (fr)
Other versions
EP1001069B1 (de
Inventor
Onofrio Rocchitelli
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.)
Elettrotecnica Rold SRL
Original Assignee
Elettrotecnica Rold SRL
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 Elettrotecnica Rold SRL filed Critical Elettrotecnica Rold SRL
Priority to SI9830576T priority Critical patent/SI1001069T1/xx
Publication of EP1001069A1 publication Critical patent/EP1001069A1/de
Application granted granted Critical
Publication of EP1001069B1 publication Critical patent/EP1001069B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door

Definitions

  • This invention refers to a device, in particular for washing-machines, the purpose of which is to open the machine door from a distance by means of the push-button positioned on the control panel, the said device also houses the instantaneous locking device and delayed door release device, usually known as door lock.
  • electro-mechanical devices are considerably more expensive, due to the fact that as has been mentioned mechanical devices operate by displacing the closure hook, require a considerable excursion of the push-button during the opening phase, hence a high degree of precision is required in the working dimensional tolerances of the cable, and requiring considerable force to be exerted on the push-button.
  • the device subject of the invention is based on a mechanical design and its fundamental advantage is that of releasing the machine door hook and therefore the subsequent opening of the machine door by exerting a limited force on the control push-button and requiring a short excursion of the push-button as in electro-mechanical devices.
  • An additional advantage of the invention is that it can also operate with a fixed machine door hook design, though its application and correct operation continue to be possible on swinging machine door hook designs.
  • a further advantage is that of allowing the conversion from a mechanical device to an electro-mechanical device by replacing the wire actuated device that operates the release mechanism with an electromagnet.
  • the said electromagnet has a much smaller size compared with the size required for known electro-mechanical devices and this is made possible since only a small force is required resulting from the device features that shall be described below.
  • the invention is characterised by the fact that whereas for known mechanical devices all the work to release the machine door closure hook is performed by the force exerted on the release push-button and therefore a significant force is required to adjust the hook and an extended excursion of the push-button is necessary, for the device subject of the invention the hook is engaged by means of a swinging knife positioned under the hook and the force required to release the machine door closure is exerted by a spring that is pre-compressed by the hook itself during the door closure phase and consequently the force exerted on the machine door opening push-button is limited to the force required to overcome the friction between two small surfaces in contact, therefore the movement of one of the two surfaces causes the previously pre-compressed spring to expand as specified in claim 1.
  • the device consists of a body (3) which houses various parts making up the device itself.
  • the machine door locking device is not shown in the drawings, but is part of a separate body housed inside body (3) of the device as foreseen in the invention, behind the components that impart the locking and release action to the machine door hook.
  • the various device components are housed inside body (3):
  • the said device includes other components which have a safety function, to prevent machine operation with the door open, or when the door is not closed securely.
  • a first safety device consists of an extension (14) positioned in relation to the cursor rear section (5) which, when the machine door is in the open position, lies under latch (4) of the door locking device preventing it from completing the closure phase should the machine be operated with the door in the open position.
  • Another safety device consists of extension (15) that forms a rear extension of the knife holder slide (8) which in the event the hook is not securely closed, positions itself under the machine door locking latch (4) preventing it from completing the closure phase and consequently inhibiting operation of the machine, (refer to fig. 8 which represents one of the hook positions during the opening phase, but can correspond to a hook position when the door is in a partially closed condition).
  • the mechanism operates as follows.
  • cursor (5) With the door in the open position (refer to fig. 1, 2 and 3) cursor (5) is in the fully forward position; spring (6) is extended and springs (12) and (13) are also extended.
  • Extension (14) of cursor (5) is positioned under the machine door locking latch (4), acting as a safety mechanism.
  • the knife holder slide (8) is also in the fully forward position with the corresponding spring (10) also extended, (refer to fig. 2).
  • Slide (11) is fully inserted inside its seat with its surface (18) resting against surface (17) of slide (7).
  • extension (7') of slide (7) which as mentioned previously, is introduced inside the knife carrier slide body (8), and the corresponding rear wall of knife holder slide (8), against which the said extension (7') pushes during the release phase, are not in contact with one other but an empty gap of a few tenths of a millimetre exists between the two parts.
  • the machine door locking latch (4) returns to its retracted position with the appropriate delay leaving seat (20) vacant on completion of the washing operation, refer to figures 7, 8 and 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Mechanical Control Devices (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
EP98110197A 1997-12-23 1998-06-04 Vorrichtung zum Fernöffnen von Türen insbesondere bei Waschmaschinen Expired - Lifetime EP1001069B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9830576T SI1001069T1 (en) 1997-12-23 1998-06-04 Device to remotely open doors, in particular of washing-machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97MI002852A IT1297937B1 (it) 1997-12-23 1997-12-23 Dispositivo per l'apertura a distanza di portelli in particolare di lavabiancheria
ITMI972852 1997-12-23

Publications (2)

Publication Number Publication Date
EP1001069A1 true EP1001069A1 (de) 2000-05-17
EP1001069B1 EP1001069B1 (de) 2003-11-12

Family

ID=11378435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98110197A Expired - Lifetime EP1001069B1 (de) 1997-12-23 1998-06-04 Vorrichtung zum Fernöffnen von Türen insbesondere bei Waschmaschinen

Country Status (9)

Country Link
EP (1) EP1001069B1 (de)
AT (1) ATE254201T1 (de)
BR (1) BR9804657A (de)
DE (1) DE69819734T2 (de)
ES (1) ES2210618T3 (de)
IT (1) IT1297937B1 (de)
PL (1) PL186401B1 (de)
SI (1) SI1001069T1 (de)
TR (1) TR199801259A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8132432B2 (en) 2008-04-30 2012-03-13 Lg Electronics Inc. Laundry machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3426738A1 (de) * 1984-07-20 1986-01-30 Ymos Aktiengesellschaft Industrieprodukte, 6053 Obertshausen Tuerverschluss, insbesondere fuer eine haushaltsmaschine
EP0347592A1 (de) * 1988-05-28 1989-12-27 Ellenberger & Poensgen GmbH Türverriegelungsvorrichtung für elektrische Geräte
EP0481503A1 (de) * 1990-10-17 1992-04-22 Zanker GmbH Türverriegelung für einen Haushaltsgerät
EP0600390A1 (de) * 1992-12-01 1994-06-08 Carlo Gavazzi AG Sicherheitstürverschluss-Struktur insbesondere für Waschmaschinen mit eingebautem elektronischem System

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3426738A1 (de) * 1984-07-20 1986-01-30 Ymos Aktiengesellschaft Industrieprodukte, 6053 Obertshausen Tuerverschluss, insbesondere fuer eine haushaltsmaschine
EP0347592A1 (de) * 1988-05-28 1989-12-27 Ellenberger & Poensgen GmbH Türverriegelungsvorrichtung für elektrische Geräte
EP0481503A1 (de) * 1990-10-17 1992-04-22 Zanker GmbH Türverriegelung für einen Haushaltsgerät
EP0600390A1 (de) * 1992-12-01 1994-06-08 Carlo Gavazzi AG Sicherheitstürverschluss-Struktur insbesondere für Waschmaschinen mit eingebautem elektronischem System

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8132432B2 (en) 2008-04-30 2012-03-13 Lg Electronics Inc. Laundry machine
US8256249B2 (en) 2008-04-30 2012-09-04 Lg Electronics Inc. Laundry machine

Also Published As

Publication number Publication date
BR9804657A (pt) 1999-11-16
ATE254201T1 (de) 2003-11-15
ES2210618T3 (es) 2004-07-01
ITMI972852A1 (it) 1999-06-23
PL327123A1 (en) 1999-07-05
SI1001069T1 (en) 2004-02-29
IT1297937B1 (it) 1999-12-20
DE69819734T2 (de) 2004-09-23
TR199801259A3 (tr) 1999-07-21
PL186401B1 (pl) 2004-01-30
DE69819734D1 (de) 2003-12-18
EP1001069B1 (de) 2003-11-12
TR199801259A2 (xx) 1999-07-21

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