EP1988339A2 - Selbst-sperrendes Sicherheitsscharnier, insbesondere zum Öffnen und Schließen einer Klappe - Google Patents

Selbst-sperrendes Sicherheitsscharnier, insbesondere zum Öffnen und Schließen einer Klappe Download PDF

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Publication number
EP1988339A2
EP1988339A2 EP08155101A EP08155101A EP1988339A2 EP 1988339 A2 EP1988339 A2 EP 1988339A2 EP 08155101 A EP08155101 A EP 08155101A EP 08155101 A EP08155101 A EP 08155101A EP 1988339 A2 EP1988339 A2 EP 1988339A2
Authority
EP
European Patent Office
Prior art keywords
hatch
bevel
wall
profile
contact surface
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.)
Withdrawn
Application number
EP08155101A
Other languages
English (en)
French (fr)
Other versions
EP1988339A3 (de
Inventor
Orlando Garbin
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.)
Gz International Sas Di Garbin Orlando & C
Original Assignee
Gz International Sas Di Garbin Orlando & C
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 Gz International Sas Di Garbin Orlando & C filed Critical Gz International Sas Di Garbin Orlando & C
Publication of EP1988339A2 publication Critical patent/EP1988339A2/de
Publication of EP1988339A3 publication Critical patent/EP1988339A3/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/12—Side rests; Side plates; Cover lids; Splash guards; Racks outside ovens, e.g. for drying plates
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • E05D3/022—Hinges with pins with one pin allowing an additional lateral movement, e.g. for sealing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/404—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
    • E05Y2201/416—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/308—Application of doors, windows, wings or fittings thereof for domestic appliances for ovens

Definitions

  • the present invention relates to a self-locking safety hinge particularly for opening and closing a hatch.
  • Such hatch is usually articulated to the footing of the cooker by means of a pair of hinges of a substantially traditional type, made of various materials and in various shapes, in order to meet predominantly aesthetic and dimensional requirements.
  • the aim of the present invention is to obviate the above-mentioned drawback, by providing a hinge which allows to keep the cover of the cooker safely in the open position, thus eliminating the risk that it might close accidentally, causing damage or accidents to people or things.
  • an object of the present invention is to provide a hinge which is extremely versatile and can be used in the production of the most disparate types of cooker.
  • Another object of the present invention is to provide a hinge which is constituted by the smallest number of components and at the same time is tough and reliable.
  • Another object of the present invention is provide a hinge which is simple, relatively easy to provide in practice, safe in use, effective in operation, and of relatively low costs.
  • the present self-locking safety hinge particularly for opening and closing a hatch, which comprises a first fixed element and a second movable element which is jointly connected to said hatch and is coupled to said first element so that it can rotate and comprises members for articulation between said first element and said second element which can be actuated manually and selectively from a free rotation configuration, in which said hatch can be moved from an open position to a closed position and vice versa, to a safety configuration, in which said hatch is locked stably in the open position by way of retention means, characterized in that said retention means comprise at least one profile formed by said second element and at least one contact surface which ends with at least one rear bevel provided on said first element, when said articulation members are in the safety configuration said profile abutting substantially against said bevel of said contact surface, when said articulation members are in the free rotation configuration said profile being substantially spaced from said contact surface, said retention means comprising at least one first wall on said second element which can engage said be
  • the reference numeral 1 generally designates a self-locking safety hinge, particularly for opening and closing a hatch, according to the invention.
  • the hinge 1 described hereinafter is of the type which is fitted in pairs and is adapted to allow the opening and closure of the hatch of the cooker (not shown in the figures for the sake of simplicity) so as to protect the cooking plates and further constitute a resting surface for objects.
  • it can be used advantageously also in various other applications, outside the field of electrical household appliances, whenever it is necessary to ensure that the movable hatch can be locked in the open position, thus avoiding the risk that it might fall accidentally.
  • the hinge 1 comprises a first fixed element, generally designated by the reference numeral 2, which is rigidly coupled to the footing of the cooker, and a second movable element, generally designated by the reference numeral 3, which is jointly connected to the hatch and is coupled so that it can rotate to the first element 2.
  • the hinge 1 conveniently comprises articulation members, generally designated by the reference numeral 4, which are provided between the first element 2 and the second element 3 and can be actuated selectively and manually on the hatch from a free rotation configuration, in which the hatch can be moved from the (horizontal) closed position to the (vertical) open position and vice versa, to a safety configuration, in which the hatch is locked in the open configuration by way of retention means, generally designated by the reference numeral 5, and is prevented from moving except by means of a voluntary manual intervention.
  • the retention means 5 comprise a profile 6, which is shaped by the second element, and a contact surface 7, which ends with a rear bevel 8, both provided in the first element 2: when the articulation members 4 are in the safety configuration, the profile 6 substantially abuts against the end bevel 8 of the contact surface 7, while when the articulation members 4 are in free rotation configuration, the profile 6 is substantially spaced from the contact surface 7;
  • the retention means 5 further comprise a first wall 9 of the second element 3, which can engage the bevel 8 and has a suitable curvature for the automatic lifting of the hatch by sliding of the first wall 9 on the bevel 8 as a consequence of manual traction of such hatch in the closure direction from the safety configuration.
  • the retention means 5 further comprise a second rough wall 10 on the first element 2, and also the first wall 9 on the second element 3 is rough: when the articulation members 4 are in the safety configuration, the walls 9, 10 face each other and are adapted to abut with friction, so as to avoid the accidental closure of the hatch as a consequence of a slight traction of such hatch in the closing direction, said traction causing their forced coupling.
  • the first wall 9 and the second wall 10 are substantially mutually spaced.
  • the first fixed element 2 comprises a base 11, which forms in a lower region a sort of recess 12 for reference on the footing of the cooker, from which a substantially parallelepipedal tab 13 protrudes upward.
  • the base 11 of the first element 2 is affected by at least one through hole 14 for fixing to the footing of the cooker by way of screw means.
  • the second element 3 of the hinge 1 is preferably flat and elongated, and is affected laterally by holes 15 for fixing to the hatch, for example by means of screws or other equivalent connecting members.
  • the second element 3 forms at the front, at the lower portion, a substantially semicylindrical protrusion 16 which has a horizontal axis.
  • the members 4 for articulation between the first element 2 and the second element 3 comprise a cylindrical pivot 17 which has a horizontal axis and is jointly connected to the protrusion 16, from which it protrudes laterally, and is accommodated so that it can slide with a slight play in an elongated seat 18, which is preferably shaped like a vertical slot and is provided laterally with respect to the tab 13 of the first element 2.
  • the pivot 17 When the articulation members 4 are in the configuration for free rotation of the hatch, the pivot 17 is arranged substantially at the lower end of the seat 18, a position in which it is possible, as mentioned, to open and close the hatch without any difficulty; when the articulation members 4 are in the safety locking configuration, the pivot 17 is arranged at the upper end of the seat 18, a position in which the retention means 5 allow to keep the second element 3, and therefore the hatch, stably open without it being able to close inadvertently.
  • the means 5 for retaining the hatch in the open position are constituted, as mentioned, by the profile 6, which is formed advantageously by the edge of a recess 19 which is provided laterally in the second element 3 at the protrusion 16 and cooperates with the contact surface 7 and the rear bevel 8 provided on the tab 13 of the first element 2.
  • the tab 13 forms in an upper region the contact surface 7 and in a rear region, below the bevel 8, the second rough wall 10 of the retention means 5; the recess 19 instead forms, below the profile 6, the first rough wall 9 of the retention means 5.
  • the bevel 8 as described, has a respective curvature, such that by simply pulling by hand the open hatch in the direction for closing enough to overcome the friction generated between the two rough walls 9, 10 forced into coupling, so as to move them mutually apart, the profile 6 moves away from the contact surface 7, the first wall 9 sliding on the bevel 8, and the pivot 17 rises automatically along the seat 18 up to its other end, in the configuration for free rotation of the articulation members 4.
  • This determines the simultaneous automatic lifting of the hatch and therefore allows its manual rotation about the axis of the pivot 17, so as to be able to close it with a simple initial traction in the closure direction, without having to first lift it on purpose with one's hands.
  • the hinge 1 is made of thermoplastic material reinforced with glass fibers, and in particular it is made of a material such as polyaryl amide (semicrystalline aromatic polyamide) reinforced with glass fibers, a material also known by the trade name IXEF, which is a registered trademark: said material is lightweight, cheap and easily workable by molding and has excellent characteristics of resistance to high temperatures and mechanical strength which can be compared substantially to those of a metal. Such material further has characteristics of extremely high rigidity and surface hardness, high resistance to deformation, and excellent surface finishing.
  • the hinge 1 according to the invention can also be made of composite materials based on polyamide (optionally also constituted by polyamide alone) with the addition of reinforcement fibers of various kinds (for example glass fibers, carbon fibers and/or any type of natural and/or mineral filler).
  • the cited constructive solutions allow to provide hinges 1 of any color simply by adding appropriate pigments to the materials.
  • the operation of the hinge 1 according to the invention is as follows. When the hatch 1 is in the closed position, the first rough wall 9 of the recess 19 of the second element 3 lies on the contact surface 7 of the first element 2, while the pivot 17 is located at the lower end of the seat 18.
  • the pivot 17 rises progressively along the seat 18 by contact between the first rough wall 9 of the recess 19 and the contact surface 7, until it reaches its upper end: once the rotation of the hatch is complete, the pivot 17 descends again due to the weight of the hatch to the lower end of the seat 18, while the profile 6 moves into contact with the contact surface 7 and in particular abuts against the bevel 8, and the first rough wall 9 of the recess 16 abuts against the second rough wall 10 of the tab 13, thus locking the hatch into the open position without it being then able to close by itself.
  • the self-locking hinge 1 which is simple and cheap to manufacture, allows to keep the hatch effectively in the open position, thus eliminating the accidents and problems that arise from its accidental sudden closure.
EP08155101A 2007-04-30 2008-04-24 Selbst-sperrendes Sicherheitsscharnier, insbesondere zum Öffnen und Schließen einer Klappe Withdrawn EP1988339A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20070313 ITBO20070313A1 (it) 2007-04-30 2007-04-30 Cerniera autobloccante di sicurezza, particolarmente per l??apertura e la chiusura di un portello

Publications (2)

Publication Number Publication Date
EP1988339A2 true EP1988339A2 (de) 2008-11-05
EP1988339A3 EP1988339A3 (de) 2009-08-05

Family

ID=39688891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08155101A Withdrawn EP1988339A3 (de) 2007-04-30 2008-04-24 Selbst-sperrendes Sicherheitsscharnier, insbesondere zum Öffnen und Schließen einer Klappe

Country Status (2)

Country Link
EP (1) EP1988339A3 (de)
IT (1) ITBO20070313A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013053821A3 (de) * 2011-10-14 2013-06-06 Miwe Michael Wenz Gmbh Vorrichtung zur behandlung von lebensmitteln mit tür-schiebemechanismus
CN109629943A (zh) * 2019-01-30 2019-04-16 中国地质大学（武汉） 一种可固定的门铰链
EP4102139A1 (de) * 2021-06-09 2022-12-14 Whirlpool Corporation Gerät mit scharnier und soft-close-folger

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119240A (en) * 1976-12-23 1978-10-10 Dumas Sarah J Positive open receptacle
EP1548217A2 (de) * 2003-12-23 2005-06-29 G.Z. International di Garbin O. e C. S.a.s. Selbstverriegelndes Sicherheitsscharnier, insbesondere für die Öffnung und Schliessung eines Zugangspaneels

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE900358A (fr) * 1984-08-13 1985-02-13 Suter N V Sa Jointure d'un couvercle de rechaud.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119240A (en) * 1976-12-23 1978-10-10 Dumas Sarah J Positive open receptacle
EP1548217A2 (de) * 2003-12-23 2005-06-29 G.Z. International di Garbin O. e C. S.a.s. Selbstverriegelndes Sicherheitsscharnier, insbesondere für die Öffnung und Schliessung eines Zugangspaneels

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013053821A3 (de) * 2011-10-14 2013-06-06 Miwe Michael Wenz Gmbh Vorrichtung zur behandlung von lebensmitteln mit tür-schiebemechanismus
CN109629943A (zh) * 2019-01-30 2019-04-16 中国地质大学（武汉） 一种可固定的门铰链
CN109629943B (zh) * 2019-01-30 2023-09-15 中国地质大学（武汉） 一种可固定的门铰链
EP4102139A1 (de) * 2021-06-09 2022-12-14 Whirlpool Corporation Gerät mit scharnier und soft-close-folger

Also Published As

Publication number Publication date
ITBO20070313A1 (it) 2008-11-01
EP1988339A3 (de) 2009-08-05

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