EP0076409A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Release device for the door of a dishwashing machine
Assignee: Indesit Industria Elettrodomestici Italiana SpA
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Filing: 1982-09-17
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Granted: —
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Expires: 2002-09-17
Abstract
Abstract A dishwasher door closure device comprises mechanical means (3,18) disposed in part on the door (19) and in part on the body (1) of the dishwasher and electrical means (12) for enabling and disabling the said electrically operated members disposed only on the body (1) of the dishwasher itself.
Inventors
- 👤 Marcello Premoli
- 👤 Carlo Frairia
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 13:10
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4251; A47L15/4257; A47L15/4259
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
105 words
A door closure device for a dishwasher comprising a body, a washing chamber in which there is located at least one rotatable drum, electrically operated members in particular a heater element and a washing pump, means for directing the water within the machine and a door for closure of the washing chamber, characterised by the fact that the said device includes mechanical means (3,18) disposed in part on the door (19) and in part on the body (1) of the dishwasher and electrical means (12) for enabling and disabling the said electrically operated members and disposed solely on the body (1) of the dishwasher itself.
Claim 2
Dependent Claim
105 words
A door closure device for a dishwasher comprising a body, a washing chamber in which there is located at least one rotatable drum, electrically operated members in particular a heater element and a washing pump, means for directing the water within the machine and a door for closure of the washing chamber, characterised by the fact that the said device includes mechanical means (3,18) disposed in part on the door (19) and in part on the body (1) of the dishwasher and electrical means (12) for enabling and disabling the said electrically operated members and disposed solely on the body (1) of the dishwasher itself.
Claim 3
Dependent Claim
63 words
A dishwasher door closure device according to Claim 1, characterised by the fact that the said device acts, upon opening of the door (191 first to disable the said electrical means (12) and subsequently to actuate the said mechanical means (3,18), whilst upon closure of the door (19) it first actuates the mechanical means (3,18) and subsequently enables the said electrical means (12).
Claim 4
Dependent Claim
77 words
A dishwasher door closure device according to Claim 1, characterised by the fact that it includes a resilient element (10) positioned in a plane parallel to the plane of opening and closing of the said mechanical means (3,18) which allows the user to effect opening and closing movements of the said door (19) of the dishwasher by the application of a modest force in such a way that this manoeuvre shall not be inconvenient to the user.
Claim 5
Dependent Claim
33 words
A dishwasher doorclosure device according to Claim 1', characterised by the fact that the said electrical means (12) include a safety switch (12) positioned in series with the electrical supply from the mains.
Claim 6
Dependent Claim
42 words
A dishwasher door closure device according to Claim 1 , characterised by the fact that the said mechanical means (3,18) include a striker (3) and a latch block (18) which cooperate to actuate the latching and unlatching of the said door (19).
Claim 7
Dependent Claim
32 words
A dishwasher door closure device according to Claim 5, characterised by the fact that the said striker (3) has a support (7) for the switch, which also has two cylindrical projections (8,9).
Claim 8
Dependent Claim
22 words
A dishwasher doorclosure device according to claim 5, characterised by the fact that the said latch block (18) has a probe. (16).
Claim 9
Dependent Claim
28 words
A dishwasher door closure device according to Claims 4 and 6, characterised by the fact that the said safety switch (12) is mounted on the switch support (7).
Claim 10
Dependent Claim
59 words
A dishwasher door closure device according to Claim 8, characterised by the fact that assembly is effected by fitting the said safety switch (12), by means of a reference hole (13) over the said projection (9) of the said support (7) and subsequently screwing a screw (14) between the said safety switch (12) and the said switch support (7).
Claim 11
Dependent Claim
54 words
A dishwasher door closure device according to Claims 4,7 and 8, characterised by the fact that the said safety switch (12) has a plunger (15) for opening and closing its electrical contacts, and by the fact that this plunger (15) after assembly, is located adjacent the said hole (17) of the said striker (3).
Claim 12
Dependent Claim
58 words
A dishwasher door closure device according to Claims 7 and 10, characterised by the fact that the dimensions of the said hole (17) are such that a test device of the dimensions determined by the institution setting the regulations with regard to user safety cannot succeed in actuating the said plunger (15) of the said safety switch (12).
Claim 13
Dependent Claim
33 words
A dishwasher door closure device according to claims 5 and 7, characterised by the fact that the said striker (3) has a hole (17) to allow the passage of the said probe (16).
Claim 14
Dependent Claim
50 words
A dishwasher door closure device according to claim 7, characterised by the fact that the said probe (16) has a form and dimensions such that during the opening and closing movements of the door (19) of the dishwasher it does not interfere at any stage with the said striker (3).
Claim 15
Dependent Claim
39 words
A dishwasher door closure device according to claim 12, characterised by the fact that the said probe (16) has a form and dimension such that it can enter freely into the said hole (17) in the said striker (3).
Claim 16
Dependent Claim
49 words
A dishwasher door closure device according to claims 10 and 14, characterised by the fact that by entering the said hole (17) in the said striker (3) the said probe (16) controls the said plunger (15) which opens and closes the electrical contacts of the said safety switch (12).
Claim 17
Dependent Claim
73 words
A dishwasher door closure device according to claims5, 7 and 12, characterised by the fact that the shape of the ends of the said striker (3) and of the said latch block (18) is such that in the event of accidental knocks on the said door (19), when it is closed, these interfere with one another,coming into contact whereby to prevent the said probe (16) from becoming sheared by the said striker (3).
Claim 18
Dependent Claim
41 words
A dishwasher door closure device according to claim 5, characterised by the fact that the said striker (3) is connected to the said body (1) of the dishwasher in such a way that it can turn about its point of connection.
Claim 19
Dependent Claim
65 words
A dishwasher door.closure device according to claim 17, characterised by the fact that the said connection between the said striker (3) and the said body (1) is obtained by means of two cylindrical pins (4) projecting from the said striker (3) which are inserted in two cavities (5) of a striker support (6) which is then fixed to the said body (1) of the dishwasher.
Claim 20
Dependent Claim
26 words
A dishwasher door closuredevice according to claim 3, characterised by the fact that the said resilient element (10) is pre-loaded before assembly and works under compression.
Claim 21
Dependent Claim
24 words
A dishwasher door closure device according to claim 3, characterised by the fact that the said resilient element is constituted by a spring (10).
Claim 22
Dependent Claim
58 words
A dishwasher door closure device according to claims 6 and 19, characterised by the fact that the said spring (10) is positioned between the said cylindrical projections (8) of the said switch support (7) and a projection (11) of the said striker support (6) in correspondence with the said cylindrical projections (8) of the said switch support (7).
Claim 23
Dependent Claim
37 words
A dishwasher door closure device according to claim 5, characterised by the fact that the said striker (3) is actuated upon opening of the door (19) by a finger (21) rigidly connected to a movable handle (22).
Claim 24
Dependent Claim
54 words
A dishwasher door closure device according to claims2, 5 and 11, characterised by the fact that the opening or closing stroke of the said plunger (15) of the said safety switch (12) is less than the stroke which the said striker (3) must make in order to mechanically release the said latch block (18).
References Cited (Backward Citations)
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