EP 0384148 B1 19930505 - A DOOR LOCKING MEANS FOR A WASHING OR DRYING MACHINE FOR LAUNDRY
Title (en)
A DOOR LOCKING MEANS FOR A WASHING OR DRYING MACHINE FOR LAUNDRY
Publication
Application
Priority
IT 4571189 A 19890221
Abstract (en)
[origin: EP0384148A1] 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.
IPC 1-7
IPC 8 full level
D06F 37/42 (2006.01)
CPC (source: EP US)
D06F 37/42 (2013.01 - EP US)
Designated contracting state (EPC)
AT DE ES FR GB IT SE
DOCDB simple family (publication)
EP 0384148 A1 19900829; EP 0384148 B1 19930505; AT E89044 T1 19930515; DE 69001498 D1 19930609; DE 69001498 T2 19930812; ES 2039967 T3 19931001; IT 1234686 B 19920526; IT 8945711 A0 19890221
DOCDB simple family (application)
EP 90101499 A 19900125; AT 90101499 T 19900125; DE 69001498 T 19900125; ES 90101499 T 19900125; IT 4571189 A 19890221