ATE89044T1 - DOOR LOCKING DEVICE FOR A WASHING MACHINE OR DRYER. - Google Patents

DOOR LOCKING DEVICE FOR A WASHING MACHINE OR DRYER.

Info

Publication number
ATE89044T1
ATE89044T1 AT90101499T AT90101499T ATE89044T1 AT E89044 T1 ATE89044 T1 AT E89044T1 AT 90101499 T AT90101499 T AT 90101499T AT 90101499 T AT90101499 T AT 90101499T AT E89044 T1 ATE89044 T1 AT E89044T1
Authority
AT
Austria
Prior art keywords
door
locking means
machine
inputs
lock
Prior art date
Application number
AT90101499T
Other languages
German (de)
Inventor
Giuseppe Frucco
Original Assignee
Zanussi A Spa Industrie
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 Zanussi A Spa Industrie filed Critical Zanussi A Spa Industrie
Application granted granted Critical
Publication of ATE89044T1 publication Critical patent/ATE89044T1/en

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Drying Of Solid Materials (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Feedback Control In General (AREA)

Abstract

A door locking means for washing or drying machines for laundry, comprising an electromechanical actuator (5) associated with a pin (6) interacting with the lock (7) of the door to lock or unlock it, and comprising an electric contact (31) connected within the electric circuit of the electromechanical actuator (5) and adapted to feed or deenergize the latter. The locking means also comprises a plurality of electronic comparators (1, 2, 3) provided respectively with first inputs (8, 9, 10) and with second inputs (14, 15, 16) adapted to be fed with voltages respectively proportional to the effective values and to predetermined reference values of characteristic quantities of the machine (temperature, washing bath level and rotating speed of the drum). In accordance with the comparison between the voltages, the comparators (1, 2, 3) thus control a logical NOR gate (4) connected thereafter, which in turn effects the opening or closing of the electric contact (31) and thus the unlocking or locking of the door of the machine via a transistor (26) and an electromagnet (29) or similar elements. The locking means in question thus allows the door to be opened during or after each cycle of the machine in states that are safe for the user.
AT90101499T 1989-02-21 1990-01-25 DOOR LOCKING DEVICE FOR A WASHING MACHINE OR DRYER. ATE89044T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8945711A IT1234686B (en) 1989-02-21 1989-02-21 DOOR LOCKING DEVICE FOR WASHING MACHINES OR TOWELS.
EP90101499A EP0384148B1 (en) 1989-02-21 1990-01-25 A door locking means for a washing or drying machine for laundry

Publications (1)

Publication Number Publication Date
ATE89044T1 true ATE89044T1 (en) 1993-05-15

Family

ID=11257516

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90101499T ATE89044T1 (en) 1989-02-21 1990-01-25 DOOR LOCKING DEVICE FOR A WASHING MACHINE OR DRYER.

Country Status (5)

Country Link
EP (1) EP0384148B1 (en)
AT (1) ATE89044T1 (en)
DE (1) DE69001498T2 (en)
ES (1) ES2039967T3 (en)
IT (1) IT1234686B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1250393B (en) * 1991-06-13 1995-04-07 Zanussi Elettrodomestici DOOR LOCKING DEVICE FOR WASHING MACHINES OR LINEN DRYERS.
IT1289378B1 (en) * 1996-05-22 1998-10-02 Electrolux Zanussi Elettrodome WASHING MACHINE WITH INSTANT LOCK DOOR
US6036241A (en) * 1998-03-11 2000-03-14 Maytag Corporation Locking mechanism for an appliance door
DE10148452A1 (en) * 2001-10-01 2003-05-22 Bsh Bosch Siemens Hausgeraete Method for automatically controlling a water-carrying household appliance and household appliance therefor
DE10154850C1 (en) 2001-11-08 2003-06-18 Ellenberger & Poensgen door lock
DE102006052428A1 (en) 2006-11-07 2008-05-08 BSH Bosch und Siemens Hausgeräte GmbH Domestic appliance for the care of laundry, in particular tumble dryer
DE102010039665A1 (en) * 2010-08-24 2012-03-01 BSH Bosch und Siemens Hausgeräte GmbH Method for assuming a safe operating state of a device of a domestic appliance, circuit arrangement for operating a domestic appliance and domestic appliance
KR20170019052A (en) * 2015-08-11 2017-02-21 삼성전자주식회사 Washing machine and control method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2029941A1 (en) * 1970-06-18 1971-12-23 Licentia Gmbh Door lock
DE2163449A1 (en) * 1971-12-21 1973-07-05 Miele & Cie DOOR LOCKING FOR A WASHING MACHINE OR SPINTER

Also Published As

Publication number Publication date
EP0384148B1 (en) 1993-05-05
DE69001498D1 (en) 1993-06-09
EP0384148A1 (en) 1990-08-29
ES2039967T3 (en) 1993-10-01
DE69001498T2 (en) 1993-08-12
IT1234686B (en) 1992-05-26
IT8945711A0 (en) 1989-02-21

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time