EP2584131B1 - Sliding door with reversible sliding system - Google Patents

Sliding door with reversible sliding system Download PDF

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Publication number
EP2584131B1
EP2584131B1 EP12188959.6A EP12188959A EP2584131B1 EP 2584131 B1 EP2584131 B1 EP 2584131B1 EP 12188959 A EP12188959 A EP 12188959A EP 2584131 B1 EP2584131 B1 EP 2584131B1
Authority
EP
European Patent Office
Prior art keywords
rail
leaf
sliding
sliding door
rollers
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.)
Not-in-force
Application number
EP12188959.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2584131A1 (en
Inventor
Luigi Canova
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.)
Mth Srl
M T H Srl
Original Assignee
Mth Srl
M T H Srl
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 Mth Srl, M T H Srl filed Critical Mth Srl
Publication of EP2584131A1 publication Critical patent/EP2584131A1/en
Application granted granted Critical
Publication of EP2584131B1 publication Critical patent/EP2584131B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/10—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane
    • E05D15/1021—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane involving movement in a third direction, e.g. vertically
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/638—Cams; Ramps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/684—Rails; Tracks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/15—Applicability
    • E05Y2800/17—Universally applicable
    • E05Y2800/172—Universally applicable on different wing or frame locations
    • E05Y2800/174—Universally applicable on different wing or frame locations on the left or right side
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/21—Combinations of elements of identical elements, e.g. of identical compression springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/22—Combinations of elements of not identical elements of the same category, e.g. combinations of not identical springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/244—Combinations of elements arranged in serial relationship
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/298—Form or shape having indentations
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/102—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for cold-rooms

Definitions

  • the present invention relates in general to a sliding door, and more specifically to a sliding door for cold rooms (also referred to as refrigeration sliding door), having the characteristics set forth in the preamble of the enclosed independent claim 1.
  • refrigeration sliding doors comprise a leaf, the height and width of which may typically reach some meters (for instance up to 4 meters), and a sliding system adapted to guide the leaf in the opening/closing direction of the door (hereinafter referred to also as longitudinal direction).
  • the sliding system typically comprises a horizontal rail, along which the leaf is guided by means of two rollers which are idly supported on respective support bodies fixed to the top edge of the leaf, at the opposite longitudinal ends of this latter. The leaf is thus hanged to the rail by means of the two rollers and these latter are in contact with a rolling surface of the rail as a result of the own weight of the leaf.
  • the sliding movement of the leaf in the longitudinal direction may be driven either by hand or by means of a special driving mechanism comprising for instance an electric motor and a tooth-belt transmission device.
  • the rail the length of which is at least twice the width of the leaf, is typically formed by one or more pieces of aluminium or steel and is typically closed on its upper side by a cover element having the function of retaining the rollers on their upper side so as to prevent them from disengaging from the rail.
  • Respective travel-limit elements are typically provided at the opposite ends of the rail to limit the longitudinal travel of the rollers, and hence of the leaf, along the rail, both in the opening direction and in the closing direction of the door.
  • a pair of so-called ramps each of which forms a rolling track arranged to cooperate with a respective roller of the leaf, is also mounted on the rail.
  • the ramps are positioned along the rail so that the rollers of the leaf roll thereon in the final phase of the closing movement of the door.
  • the rolling tracks of the ramps are suitably shaped to cause the rollers, and hence the leaf, when the rollers roll along them, to move both downwards and towards the inside of the door in a direction perpendicular to the plane of the leaf, and then to cause squeezing of the seals of elastomeric material arranged along the perimeter of the leaf.
  • a first drawback of the known sliding systems for sliding doors is that they are not reversible, i.e. they are not able to work both with left-hand doors and with right-hand doors. In order to convert a door of the one type into a door of the other type it is therefore necessary to replace some of the components of the sliding system of the door, in particular the rail with its ramps.
  • a further drawback of the known sliding systems for sliding doors is represented, in case of a rail which is made in a single piece and the length of which is therefore at least twice the width of the leaf, by the great size of the rail and hence by the difficulties of handling and transport which are inevitably associated due to such a great size.
  • a further object of the present invention is to provide a sliding door which is able to prevent the leaf from disengaging from the rail with no need to use components other than the rail itself.
  • the invention is based on the idea of providing a sliding door of the type mentioned above, wherein the rail comprises a first rail portion and a second rail portion, each of which forms an upper rolling surface and a lower rolling surface, wherein the first and second rail portions have an identical cross-section of symmetrical shape with respect to a horizontal plane of symmetry, wherein the two ramps are made as separate components with respect to the two rail portions and are identical to each other, wherein the two ramps have a symmetrical configuration with respect to the aforesaid plane of symmetry, and wherein one ramp is mounted between the two rail portions while the other ramp is mounted at the end of either of the rail portions.
  • a left-hand door can be converted into a right-hand door and vice versa using the same components of the sliding system of the door. It is in fact sufficient, in order to convert a sliding system for a right-hand door into a sliding system for a left-hand door and vice versa, to turn the rail by 180 degrees, with no need to disassemble the rail and to replace components of the rail.
  • the upper and lower rolling surfaces of the two rail portions are convex surfaces and the rolling surfaces of the rollers are concave surfaces, and furthermore the rolling surfaces of the two rail portions and of the rollers are shaped in such a manner as to avoid movements of the rollers with respect to the two rail portions in a transverse horizontal direction (wherein the expression "transverse direction” refers to a direction perpendicular to the longitudinal direction).
  • transverse direction refers to a direction perpendicular to the longitudinal direction.
  • the two rail portions have the same length, whereby they are fully interchangeable with each other and can thus help to reduce the total number of components of the door.
  • each ramp is made so as to form a travel-limit surface configured for cooperating, as far as the ramp mounted between the two rail portions is concerned, with either of the rollers of the leaf to limit the travel of the leaf during opening.
  • the door further comprises first and second cover elements associated each to a respective rail portion, the total length of these cover elements being substantially equal to the total length of the rail.
  • each cover element is hinged to a respective rail portion so as to be rotatable about an axis of rotation oriented parallel to the longitudinal axis between a closed position, in which it covers the respective rail portion, and an open position, in which it gives access to the respective rail portion and to the rollers, for instance for inspection and/or servicing purposes.
  • the two rail portions are formed each by a single piece of aluminium or steel.
  • the two ramps are components made of plastic material.
  • a sliding door intended in particular for use as a refrigeration door, is generally indicated 10.
  • the sliding door 10 comprises a leaf 12 of rectangular shape having a pair of horizontal edges 14, namely, an upper horizontal edge and a lower horizontal edge, respectively, and a pair of lateral vertical edges 16, and a sliding system 18 adapted to guide the leaf 12 in the opening/closing direction of the door, or longitudinal direction, indicated by double-arrow F.
  • the sliding system 18 comprises a rail extending horizontally over the leaf 12.
  • a pair of rollers 20 are idly supported about respective axes of rotation x, which are oriented horizontally and perpendicular to the leaf 12, on respective support bodies 22 fixed to the leaf 12 at two top vertices thereof, whereby the leaf 12 is hanged to the sliding system 18 via the rollers 20.
  • the rail of the sliding system 18 is split into two portions, indicated 24 and 26, respectively, which have the same cross-section.
  • the cross-section of the two rail portions 24 and 26 is symmetrical with respect to a horizontal plane of symmetry coinciding with the plane passing through the axes of rotation x of the rollers 20 (as is clear from Figure 7 ).
  • the two rail portions 24 and 26 form each a pair of rolling tracks 28 and 30, namely an upper rolling track and a lower rolling track, respectively, which define respective rolling surfaces 32 and 34 shaped as convex surfaces.
  • Each roller 20 has a circumferential groove 36 defining a concave rolling surface 38.
  • each roller 20 engages with both the rolling tracks 28 and 30 of the rail portion 24 or 26 along which the roller moves, whereby the roller 20 can neither translate in a transverse horizontal direction, i.e. in a direction parallel to its own axis of rotation x, nor rotate in the transverse vertical plane.
  • the rollers 20 are constrained to move along the respective rail portions 24 and 26, from which they cannot disengage.
  • the function of preventing the leaf from rolling over and from disengaging from the rail is thus ensured simply by virtue of the shape of the two rail portions 24 and 26 and of the rollers 20, with no need to use additional components.
  • the two rail portions 24 and 26 have the same length, which is approximately equal to the width of the leaf 12.
  • the two rail portions 24 and 26 are formed each by a single piece of aluminium or steel.
  • Respective end elements, or plugs, 40 and 42 are provided at the ends of the two rail portions 24 and 26 opposite to each other.
  • the end elements 40 and 42 are made as separate components with respect to the rail portions 24 and 26.
  • the end elements 40 and 42 are made of plastic material.
  • the sliding system 18 of the sliding door 10 further comprises a pair of ramps 44 and 46 arranged to cooperate each with a respective roller 20.
  • the two ramps 44 and 46 are made as separate components with respect to the two rail portions 24 and 26 and are identical to each other.
  • the two ramps 44 and 46 have a symmetrical configuration with respect to the aforesaid plane of symmetry and form both a pair of rolling tracks 48 and 50, namely an upper rolling track and a lower rolling track, respectively, so as to allow to convert a left-hand door into a right-hand door and vice versa without having to replace the ramps.
  • the two ramps 44 and 46 are mounted one between the two rail portions 24 and 26 and the other at the end of either of the rail portions 24 or 26, whereby the rollers 20 roll along the respective rolling tracks 48 or 50 in the final phase of the closing movement of the door. More specifically, in the embodiment shown in Figures 2 to 4 , in which the door 10 is configured as a right-hand door, the ramp 44 is mounted at the left-hand end of the first rail portion 24 (left-hand rail portion, looking at Figure 2 ), while the ramp 46 is mounted between the two rail portions 24 and 26.
  • each of the two rolling tracks 48 and 50 of the ramps 44 and 46 is suitably shaped so as to cause, when one of the two rollers 20 rolls along the same, the roller 20 (and hence the leaf 12) to move both downwards and towards the inside of the door in a direction perpendicular to the plane of the leaf 12, so as to cause squeezing of the seals 52 of elastomeric material arranged along the perimeter of the leaf 12.
  • each ramp 44 and 46 are preferably made of plastic material. Moreover, as shown in Figures 6a and 6b , each ramp 44 and 46 forms a pair of cusp-like formations 58 which are located on opposite sides with respect to the plane of symmetry of the sliding system 18 and face each other. The distance between the cusp-like formations 58 of each ramp 44 and 46 is less than the diameter of the rollers 20, whereby each pair of cusp-like formations 58 acts as travel-limit device for limiting the travel of the leaf 12 in the opening direction. More specifically, this travel-limit function is performed by the pair of cusp-like formations 58 of the ramp 44 or 46 which is mounted between the two rail portions 24 and 26.
  • the sliding system 18 of the door is fully reversible, i.e. it is possible to convert a sliding system for a right-hand door into a sliding system for a left-hand door and vice versa using the same components.
  • the door 10 further comprises a pair of cover elements 54 and 56 associated to the first and second rail portions 24 and 26, respectively, the total length of these elements being substantially equal to the length of the sliding system 18.
  • Each cover element 54 and 56 is hinged to a respective rail portion 24 and 26 so as to be rotatable about an axis of rotation oriented parallel to the longitudinal axis of the door between a closed position ( Figure 8a ), in which it covers the respective rail portion 24 and 26, and an open position ( Figure 8b ), in which it gives access to the respective rail portion 24 and 26 and to the rollers 20, for instance for inspection and/or servicing purposes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Support Devices For Sliding Doors (AREA)
  • Special Wing (AREA)
  • Wing Frames And Configurations (AREA)
EP12188959.6A 2011-10-20 2012-10-18 Sliding door with reversible sliding system Not-in-force EP2584131B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000952A ITTO20110952A1 (it) 2011-10-20 2011-10-20 Porta scorrevole con sistema di scorrimento reversibile

Publications (2)

Publication Number Publication Date
EP2584131A1 EP2584131A1 (en) 2013-04-24
EP2584131B1 true EP2584131B1 (en) 2015-11-25

Family

ID=44993793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12188959.6A Not-in-force EP2584131B1 (en) 2011-10-20 2012-10-18 Sliding door with reversible sliding system

Country Status (5)

Country Link
EP (1) EP2584131B1 (ru)
BR (1) BR102012026639B1 (ru)
ES (1) ES2562823T3 (ru)
IT (1) ITTO20110952A1 (ru)
RU (1) RU2606094C2 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107542369A (zh) * 2017-08-23 2018-01-05 重庆瑞明节能门窗有限公司 一种内倾平移门工艺研究

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519905B1 (de) 2017-05-11 2022-07-15 Blum Gmbh Julius Führungssystem zur Führung einer Möbeltüre
CN111101812B (zh) * 2019-12-18 2024-08-20 史乐彬 一种可同平面的移门装置
CN114135192A (zh) * 2021-11-18 2022-03-04 宁波欧尼克科技有限公司 一种重型气密门

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU848924A1 (ru) * 1979-07-16 1981-07-23 Киевский Ордена Ленина Завод"Ленинская Кузница" Раздвижна дверь морозильной камеры
DD256056A3 (de) * 1985-06-13 1988-04-27 Friedrich Ullner Luftdicht schliessende schiebetuer mit anpressdruck durch druckfedern und zusammengefasster einhandbetaetigung
FR2642107A1 (fr) * 1989-01-20 1990-07-27 Gibourg Georges Porte coulissante pour cellule isothermique
FR2750156B1 (fr) * 1996-06-25 1998-09-04 Fermod Dispositif de suspension a galets profiles pour porte etanche coulissante
GB2475294B (en) * 2009-11-13 2015-02-18 Christopher Scott Healey An extrusion for a sliding door track
RU2426961C1 (ru) * 2010-06-07 2011-08-20 Александр Николаевич Цехановский Передвижная дверь холодильной камеры

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107542369A (zh) * 2017-08-23 2018-01-05 重庆瑞明节能门窗有限公司 一种内倾平移门工艺研究

Also Published As

Publication number Publication date
BR102012026639A2 (pt) 2013-10-29
EP2584131A1 (en) 2013-04-24
RU2606094C2 (ru) 2017-01-10
BR102012026639B1 (pt) 2020-12-08
ITTO20110952A1 (it) 2013-04-21
ES2562823T3 (es) 2016-03-08
RU2012143612A (ru) 2014-04-20

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