EP0293050B1 - Hinge for armour-clad doors or the like - Google Patents

Hinge for armour-clad doors or the like Download PDF

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Publication number
EP0293050B1
EP0293050B1 EP88201033A EP88201033A EP0293050B1 EP 0293050 B1 EP0293050 B1 EP 0293050B1 EP 88201033 A EP88201033 A EP 88201033A EP 88201033 A EP88201033 A EP 88201033A EP 0293050 B1 EP0293050 B1 EP 0293050B1
Authority
EP
European Patent Office
Prior art keywords
hinge
pivot
screw
bore
cylindrical
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
EP88201033A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0293050A1 (en
Inventor
Mario Maggi
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.)
Maggi SpA
Original Assignee
Maggi 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 Maggi SpA filed Critical Maggi SpA
Priority to AT88201033T priority Critical patent/ATE75288T1/de
Publication of EP0293050A1 publication Critical patent/EP0293050A1/en
Application granted granted Critical
Publication of EP0293050B1 publication Critical patent/EP0293050B1/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
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/04—Additional features or accessories of hinges relating to the use of free balls as bearing-surfaces
    • 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
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the present invention relates to a hinge, in particular for armour-clad doors, according to the preamble of claim 1.
  • the hinges particularyly intended for armour-clad doors, or the like show a particularly strong structure, in order to be able to resist to the stresses they undergo whenever the heavy door they support is opened or closed.
  • Hinges which comprise a female element integral with the door, and a male element integral with the doorpost, provided with a pivot on which a rolling thrust bearing is slid, with said bearing resulting thus compressed between the female element and the male element Owing to reasons of functionality of the hinge, the overall dimensions of the bearing must mandatorily be limited within narrow limits, in that said bearing must be housed inside the small toroidal room existing between the outer surface of the pivot on which it is slid, and the external surface of the hinge, which coincides with both the outer surface of the male element, and the outer surface of the female element which, when assembled with each other, compose the same hinge.
  • the diameter of the rolling bodies of the bearing is very small, so that said rolling bodies generate high specific pressures on the relevant races, with the result that such races wear out very early, requiring the whole bearing to be frequently replaced.
  • an improved type of such a hinge is provided with means of adjustment of the position of the pivot along the axis of the same hinge.
  • the desired position of the pivot is obtained by revolving the same pivot inside a relevant screwthreaded seat destined to be fastened to the doorpost.
  • the rotation of the pivot when the hinge is mounted in its operative position is carried out by acting on a first, hexagonal end of an idle spindle, coaxial with the same pivot, and provided with a second end having a blade shape, which engages a slot provided in the pivot.
  • blocking means constituted by a blocking grub screw, constrain the pivot, so as to prevent it from rotating around the axis of the hinge when the door is opened and closed.
  • the adjustable hinge contrarily to the non-adjustable hinge, is capable of obviating the early wear of the bearing due to the overloads applied to said bearing due to settlings of the doorposts, but it is not anyway capable of obviating the wear deriving from missed lubrication and to the penetration of foreign bodies inside the bearing.
  • the bearing acts as a coupling interposed between the female element of the hinge and the ring-shaped surface associated with the pivot of the male element, applying to this latter such a high twisting torque, as to easily exceed the strength of the pivot blocking means, in particular the above mentioned grub screw, which gets broken during the rotation of the hinge.
  • a type of hinge in which the friction undergoing means are housed inside the female element.
  • the hinge is provided with a ball placed at the end of the pivot and resting against the bottom surface of the bore the female element is provided with.
  • the ball can be:
  • hinges have resulted to be not free from drawbacks due to the excessive wear the top surfaces of the pivot, the bottom surface of the female element, and the same ball are subjected to.
  • a ball thrust bearing is interposed between the bottom of the bore of the female element and the end of the pin of the male element.
  • Said bottom is formed by a plug engaging a lower bearing plate and the pin is provided with an axial extension engaging an upper bearing plate, so that the bearing plates are each made stable with one of the relatively rotating parts to allow correct operation of the bearing.
  • the rolling bodies generate high specific pressures on the relevant races with the effect of rapidly wearing them out.
  • the purpose of the present invention consists in providing a hinge capable of obviating the above drawbacks, namely a hinge wherein the elements under relative motion stressed by the load are:
  • the hinge 1 generally comprises a male element 2 and a female element 3.
  • the male element 2 is formed by a cylindrical base 4, and a pivot 5, also cylindrical, and constituting one single body with the same base, with which it joins defining a ring-shaped plane 6.
  • the cylindrical base 4 is provided with a flange 7 which constitutes a means for fastening to a door (not shown in the figures).
  • the pivot 5 ends with a top end cross surface 8 provided with a first ring-shaped area 16, wherein an annular race 9 is shaped, which rotatably receives a plurality of rolling elements, e.g., balls 10, running along said race 9 with low values of friction coefficient.
  • a plurality of rolling elements e.g., balls 10 running along said race 9 with low values of friction coefficient.
  • the female element 3 is provided as well with a cylindrical base 11 provided with a flange 12, identical to the flange the cylindrical base 4 of the male element 2 is provided with, and destined to be fastened to the doorpost (not shown in the figures).
  • Said female element 3 is provided with a cylindrical bore 13 coaxial with the pivot 5 and ending with a bottom end cross surface 14, also provided with a ring-shaped area 17 wherein an annular race 15 is shaped, which is identical to and coaxial faces the race 9, and is destined as well to rotatably receive the balls 10 which thus roll between the surfaces 8 and 14 and within the lateral surface of the bore 13.
  • the hinge In order to secure a sufficient and constant lubrication of the balls, the hinge must be installed in such a way that the female element directs upwards its concavity, so as to also act as a sump for the lubricant of the hinge.
  • the hinge is completed by a tight-sealing gasket 22 placed between the edge 23 of the bore 13, and the ring-shaped plane 6 of the pivot 5, which simultaneously prevents the lubricant from escaping, and foreign bodies from entering the hinge.
  • a tight-sealing gasket 22 placed between the edge 23 of the bore 13, and the ring-shaped plane 6 of the pivot 5, which simultaneously prevents the lubricant from escaping, and foreign bodies from entering the hinge.
  • Such a hinge can operate in an optimum way and for long time also under dusty and/or corrosive atmospheres.
  • the races 9 and 15 may be hardened by means of case-hardening.
  • the hinge 1 is endowed with the possibility of stably adjusting the position of the ring-shaped area 14 along the revolution axis A-A of the same hinge, by screw means.
  • Such screw means comprise a threading 18, coaxial with axis A-A and provided inside the cylindrical base 11 of the female element 3, which is engaged by a screw 19 totally contained inside the same base 11, and provided, at a first end thereof, with an axial cavity 20 of polygonal cross section.
  • a portion of the race 15 is provided, on which the balls 10 run.
  • a locking screw 21 is housed, whose structure is at all similar to that of the screw 19, and which acts on the screw 19 so as to block it inside the base 11.
  • the position of the race 15 can be adjusted along the axis A-A, thus enabling the hinge to compensate for possible settlings of the doorpost or of the door on which it is installed, making it possible to equally subdivide the loads on each hinge of the same door.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Hinge Accessories (AREA)
EP88201033A 1987-05-29 1988-05-20 Hinge for armour-clad doors or the like Expired - Lifetime EP0293050B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88201033T ATE75288T1 (de) 1987-05-29 1988-05-20 Scharnier fuer panzertueren oder dergleichen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2072087 1987-05-29
IT20720/87A IT1204666B (it) 1987-05-29 1987-05-29 Cerniera per porte blindate o similari

Publications (2)

Publication Number Publication Date
EP0293050A1 EP0293050A1 (en) 1988-11-30
EP0293050B1 true EP0293050B1 (en) 1992-04-22

Family

ID=11171061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88201033A Expired - Lifetime EP0293050B1 (en) 1987-05-29 1988-05-20 Hinge for armour-clad doors or the like

Country Status (6)

Country Link
EP (1) EP0293050B1 (es)
AT (1) ATE75288T1 (es)
DE (1) DE3870311D1 (es)
ES (1) ES2032534T3 (es)
GR (1) GR3004715T3 (es)
IT (1) IT1204666B (es)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10316891B3 (de) * 2003-02-03 2004-06-09 Hörmann Kg Brandis Türband, damit versehene Tür sowie Montage- und Herstellverfahren
DE102007013668A1 (de) 2007-03-19 2008-09-25 Eco Schulte Gmbh & Co. Kg Höhenverstellbares Türband
DE102007027009A1 (de) 2007-06-08 2008-12-11 Eco Schulte Gmbh & Co. Kg Höhenverstellbares Türband

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT240517Y1 (it) * 1996-03-19 2001-04-02 Maggi Spa Cerniera per porte
FR2833988B1 (fr) * 2001-12-20 2006-03-24 F G Systeme Paumelle a broche independante
CN109436106A (zh) * 2018-12-11 2019-03-08 荣成富琪科技有限公司 一种房车备胎架用铰链

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB380549A (en) * 1931-07-21 1932-09-22 Paul Christo Yannedis Improvements in hinges
DE1233301B (de) * 1957-08-05 1967-01-26 Arnold Voelcker Scharnier fuer Schutzraumtueren od. dgl.
ZA741233B (en) * 1973-02-28 1975-03-26 H Irwin Improved hinge for gates or doors or the like
DE2750310A1 (de) * 1977-11-10 1979-05-17 Dorma Baubeschlag Fuer tueren u.dgl. bestimmtes scharnierband

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10316891B3 (de) * 2003-02-03 2004-06-09 Hörmann Kg Brandis Türband, damit versehene Tür sowie Montage- und Herstellverfahren
DE102007013668A1 (de) 2007-03-19 2008-09-25 Eco Schulte Gmbh & Co. Kg Höhenverstellbares Türband
DE102007027009A1 (de) 2007-06-08 2008-12-11 Eco Schulte Gmbh & Co. Kg Höhenverstellbares Türband

Also Published As

Publication number Publication date
DE3870311D1 (de) 1992-05-27
GR3004715T3 (es) 1993-04-28
IT8720720A0 (it) 1987-05-29
EP0293050A1 (en) 1988-11-30
ATE75288T1 (de) 1992-05-15
IT1204666B (it) 1989-03-10
ES2032534T3 (es) 1993-02-16

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