EP0833027B1 - Device for the opening and closing of doors or the like, especially in electrical domestic appliances or the like - Google Patents

Device for the opening and closing of doors or the like, especially in electrical domestic appliances or the like Download PDF

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Publication number
EP0833027B1
EP0833027B1 EP97830476A EP97830476A EP0833027B1 EP 0833027 B1 EP0833027 B1 EP 0833027B1 EP 97830476 A EP97830476 A EP 97830476A EP 97830476 A EP97830476 A EP 97830476A EP 0833027 B1 EP0833027 B1 EP 0833027B1
Authority
EP
European Patent Office
Prior art keywords
slide
engaging means
engaging
opening
movement
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.)
Expired - Lifetime
Application number
EP97830476A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0833027A2 (en
EP0833027A3 (en
Inventor
Antonio Merloni
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.)
Antonio Merloni SpA
Original Assignee
Antonio Merloni 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 Antonio Merloni SpA filed Critical Antonio Merloni SpA
Publication of EP0833027A2 publication Critical patent/EP0833027A2/en
Publication of EP0833027A3 publication Critical patent/EP0833027A3/en
Application granted granted Critical
Publication of EP0833027B1 publication Critical patent/EP0833027B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
    • E05C19/028—Automatic catches, i.e. released by pull or pressure on the wing with sliding bolt(s)
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0042—For refrigerators or cold rooms
    • E05B65/005—For refrigerators or cold rooms with sliding bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
    • E05C19/022—Released by pushing in the closing direction

Definitions

  • the invention relates to a device for opening and closing doors or the like, especially in electrical domestic appliances or the like, comprising cooperating complementary engaging means which can be mutually engaged in a releasable manner to secure at least one door leaf or the like in the closed position and to open the same, the engaging means being associated with the door leaf and the stationary part bounding the opening closed by the said leaf, while the said engaging means act together with electrical switch means switching the latter in a make or break condition.
  • the object of the invention comprises providing a closure and opening device of the type described at the outset which offers maximum safety in the use of electrical domestic appliances or the like in particular, allowing the door to be opened or released while at the same time switching the switch means into a break condition and applying a predetermined force from the inside. All this is achieved by means which are inexpensive to construct, easy to actuate and appreciably robust and reliable in operation.
  • the invention accomplishes the above objectives through a device of the type described at the outset in which the engaging means associated with the stationary part of the door which surrounds the opening are mounted on a slide which is guided in a guide enclosure to move against a predetermined force in the direction of opening of the door leaf, and cooperating control means are associated with the slide and the guide enclosure for cooperation with the switch means, so that when the slide is brought to the extended condition outwards of the guide enclosure the switch means are put in a break condition and the engaging means are mutually disengaged, while in the position in which the slide is retracted inwards of the guide enclosure the switch means can be put in the make or break condition and the engaging means can be mutually engaged or disengaged.
  • the engaging means associated with the stationary part surrounding the opening and/or the door leaf are supported on the slide in such a way that in the disengaged condition they can be moved away from those corresponding to the other part, in at least one predetermined direction, with actuator means being provided to dispeace the engaging means activated by the sliding movement of the slide itself.
  • the actuator means may comprise stationary inclined planes which act on thrust members of the engaging means mounted on the slide itself.
  • the engaging means or the thrust members may be provided with control members of at least one switch.
  • the engaging means have at least two degrees of freedom, one in the direction transverse to the direction of movement of the slide and the other a rotational movement about an axis parallel to the transverse direction of movement of the engaging means themselves.
  • Figure 1 illustrates a cross-section of the device according to the invention along a plane parallel to the hinge axis of the door and with the door in the closed position.
  • Figure 2 is a view similar to Figure 1 with the door in the open position as a result of safe activation by means of an outwardly directed thrust.
  • Figure 3 illustrates a cross-section of the device according to the invention along a plane perpendicular to the door hinge axis and with the door in the closed position and in the open position (shown by dashed lines).
  • an electrical domestic appliance or the like has a door 1 which closes an opening.
  • Engaging means 2 which project from the posterior side of door 1 are attached thereto, while an engaging and disengaging mechanism 4 of the said engaging means 2, which is also provided with additional engaging means 5, is mounted in a position coinciding with said engaging means 2 in the stationary part of wall 3 surrounding the opening.
  • Engaging means 2 associated with the door project in a direction which is tangential to or substantially tangential to the arc of the circle through which door 1 swings, while engaging mechanism 4 has a first enclosure 104 of substantially tubular shape which is directed with its axis parallel to or substantially parallel to engaging means 2 of door 1.
  • Enclosure 104 is open on the side facing door 1, while it is enclosed on the opposing head side.
  • Within tubular enclosure 104 there is housed a slide 6 which is also substantially tubular and which on the head side facing door 1 has an opening 106 for the passage of engaging means 2 associated with door 1.
  • Slide 6 can slide in the direction of the axis of tubular enclosure 104 which is tangential to the arc of movement of door 1, at least in the position in which the latter is substantially closed.
  • Extension 206 On the opposite head side slide 6 has an extension 206 parallel to the direction of movement thereof which slides within an opening 204 in enclosure 104. Extension 206 is of sufficient length for it to project beyond the head end of enclosure 104 opposite door 1 even in the position when slide 6 is fully extended. Free terminal end of extension 206 has an enlarged head 306 and a spring 7, preferably a helicoidal spring wound on extension 206, is provided between the enlarged head and the outer wall of enclosure 104.
  • Spring 7 is dimensioned in such a way that it has an elastic compression coefficient which requires a predetermined force and which in accordance with current safety standards must not exceed 70 Nm.
  • Engaging means 5 acting together with engaging means 2 mounted on door leaf 1 are supported on a pin 406 in such a way that they can rotate around it and slide axially along it within tubular slide 6, on said pin 406 which is orientated transverse to the direction of movement of said slide 6, in particular parallel to the hinge axis of door leaf 1.
  • On the side facing the door leaf these engaging means bear an engaging tooth 105 which projects parallel to pin 406, that is transverse to the direction of movement of slide 6, which is intended to engage engaging tracks 102 in engaging means 2 of door leaf 1 which comprise channels open on the side facing the said tooth and on the head side of engaging means 2.
  • the engaging tooth can become engaged in and disengaged from the channels either by sliding axially along pin 406, or by means of a movement transverse to the longitudinal length of the channels, or through movement in the direction of the axes of the said channels.
  • engaging means 5 In a position which is substantially but not necessarily coaxial with pin 406, engaging means 5 have a pin 205 which slidably engages an opening 506 in slide 5.
  • the engaging means can be displaced in the axial direction of supporting pin 406, towards the interior of slide 6, and in a position which does not project beyond the outer surface thereof, against the action of a spring 8, which also has a predetermined compressibility coefficient.
  • an inclined leading-in wall 404 which is connected to the wall of enclosure 104 along which slide 6 moves is provided in front of the part of pin 205 which projects beyond slide 6 and against the switching members 109 of switch 9 through an opening 304 in enclosure 104.
  • tooth 105 of engaging means 5 is displacer with a transverse movement away from engaging guides 102, that is the channels forming the said guides, as a result of which engaging means 2 associate with door leaf 1 are released and the door is free to be opened fully.
  • switch 9 is returned to the make position by pin 205.
  • engaging means 5 have been released from engaging means 2 and in this case the second switches, which are not illustrated in detail because they are generically known, are in the break condition. These second switches can be provided in any position appropriate to their operation, for example alongside engaging means 2 associated with the door. Also they may be connected in series to the first switches 9, if provided.
  • Figure 3 illustrates the particular embodiment of engaging means 2 and 5.
  • Tooth 105 is provided at the end of a radial arm 305 and has a substantially cylindrical cross-section.
  • the radial arm is directed towards door leaf 1, preferably in line with the median axis of slide 6.
  • Engaging tracks 102 have two branches arranged symmetrically with respect to the axis of radial arm 305 bearing engaging tooth 205.
  • the two branches are substantially straight in the part thereof at the free end of engaging means 2, while they are curved in a direction converging together in their terminal parts where the corresponding ends are attached together by means of a substantially V-shaped length.
  • the overall appearance of engaging tracks 102 is that of a relatively rounded M.
  • This embodiment of the tracks makes it possible to engage and disengage door leaf 1 by merely pressing it in the direction of closure.
  • closure engaging means 102 penetrate slide 6, while engaging tooth 105 engages engaging track 102 and as a result of slight pressure reaches the centrailvertex of the V-shaped portion. Further pressure on door leaf 1 in the closing direction causes the engaging tooth to pass into the other symmetrically opposite branch of engaging track 102, as indicated by 105', into a position into which it can be slid to allow displacement in the opening direction of door leaf 1.
  • slide 6 also permits safety opening by pulling on door leaf 1 when the pressure disengaging mechanism is jammed as a result of damage or malfunction.
  • the device according to the invention may be constructed of any materials, such as e.g. plastics or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Push-Button Switches (AREA)
  • Electric Ovens (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Extensible Doors And Revolving Doors (AREA)
  • Slide Switches (AREA)
EP97830476A 1996-09-27 1997-09-26 Device for the opening and closing of doors or the like, especially in electrical domestic appliances or the like Expired - Lifetime EP0833027B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO960484 1996-09-27
IT96BO000484A IT1286241B1 (it) 1996-09-27 1996-09-27 Dispositivo di apertura e chiusura di porte o simili, in special modo negli apparecchi elettrodomestici o simili

Publications (3)

Publication Number Publication Date
EP0833027A2 EP0833027A2 (en) 1998-04-01
EP0833027A3 EP0833027A3 (en) 1998-04-15
EP0833027B1 true EP0833027B1 (en) 1999-12-29

Family

ID=11341617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97830476A Expired - Lifetime EP0833027B1 (en) 1996-09-27 1997-09-26 Device for the opening and closing of doors or the like, especially in electrical domestic appliances or the like

Country Status (8)

Country Link
EP (1) EP0833027B1 (it)
AT (1) ATE188272T1 (it)
DE (1) DE69701026T2 (it)
DK (1) DK0833027T3 (it)
ES (1) ES2142657T3 (it)
GR (1) GR3033082T3 (it)
IT (1) IT1286241B1 (it)
PT (1) PT833027E (it)

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CN106112714A (zh) * 2016-08-19 2016-11-16 张文灶 一种板材表面处理的耐用加工装置
CN106641655B (zh) * 2016-08-31 2018-11-27 永康市飞升智能科技有限公司 一种户外广告牌安装装置
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CN106224743B (zh) * 2016-08-31 2018-12-21 台州市专盛电子有限公司 一种可控户外广告牌安装装置
CN106654712B (zh) * 2017-01-11 2018-04-17 南京士帅电子科技有限公司 一种防松动的电力供电插接装置
CN107342029A (zh) * 2017-01-24 2017-11-10 曹磊 一种广告牌装置
CN106972319A (zh) * 2017-04-07 2017-07-21 荆门市合方越达电子科技有限公司 一种信号传输装置
CN107230898A (zh) * 2017-06-08 2017-10-03 福州荣益行智能科技有限公司 一种烫发器设备
CN108565158B (zh) * 2018-06-19 2019-05-10 山东金瑞电气有限责任公司 一种智能开关的使用方法

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PT833027E (pt) 2000-06-30
GR3033082T3 (en) 2000-08-31
EP0833027A2 (en) 1998-04-01
DK0833027T3 (da) 2000-06-13
EP0833027A3 (en) 1998-04-15
ITBO960484A1 (it) 1998-03-27
ATE188272T1 (de) 2000-01-15
DE69701026T2 (de) 2000-09-14
ITBO960484A0 (it) 1996-09-27
IT1286241B1 (it) 1998-07-08
ES2142657T3 (es) 2000-04-16
DE69701026D1 (de) 2000-02-03

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