EP0477684B1 - Dispositif d'écartement pour cadres - Google Patents

Dispositif d'écartement pour cadres Download PDF

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Publication number
EP0477684B1
EP0477684B1 EP91115452A EP91115452A EP0477684B1 EP 0477684 B1 EP0477684 B1 EP 0477684B1 EP 91115452 A EP91115452 A EP 91115452A EP 91115452 A EP91115452 A EP 91115452A EP 0477684 B1 EP0477684 B1 EP 0477684B1
Authority
EP
European Patent Office
Prior art keywords
ramp
fixture
angular
frame
juxtaposed
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
EP91115452A
Other languages
German (de)
English (en)
Other versions
EP0477684A1 (fr
Inventor
Renato Carta
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.)
PANDOLFO ALLUMINIO Srl
Original Assignee
PANDOLFO ALLUMINIO 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 PANDOLFO ALLUMINIO Srl filed Critical PANDOLFO ALLUMINIO Srl
Publication of EP0477684A1 publication Critical patent/EP0477684A1/fr
Application granted granted Critical
Publication of EP0477684B1 publication Critical patent/EP0477684B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
    • E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
    • E06B1/6069—Separate spacer means acting exclusively in the plane of the opening; Shims; Wedges; Tightening of a complete frame inside a wall opening
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/5409—Means for locally spacing the pane from the surrounding frame

Definitions

  • This invention relates to a distance device for fixture frames, being of a type adapted to fit in between a frame portion of the fixture and a juxtaposed false frame, or masonry bearing surface, and comprising first and second elements having respective juxtaposed bearing surfaces guided for movement toward and away from each other.
  • Distance devices of the above-outlined type are widely used for installing a fixture frame fixedly in corresponding opening in the masonry work.
  • a further prior approach provides for the use of wedge pairs sliding over each other.
  • This kind of device also suits offcentered mount situations and can be readily adjusted edgewise, such as by inserting a screwdriver blade between the frame and the false frame, but it is on this account, in fact, that it is difficult to adjust where the fit of the frame to the false frame includes undercut portions hindering access to the wedges or forbidding it altogether.
  • An adjustable spacer albeit intended for different applications, having two elements whose facing surfaces are in the pattern of a helical ramp, is known from GB-A-2176828.
  • the spacer of this prior document is intended for glazed fixture frames, such as doors and the like, and for adjusting glass panes in position relatively to their frame.
  • that spacer is unsuited to the applications envisaged by this invention because of the unfavorable ratio of the minimum axial dimension of the spacer, as measured with the two elements turned to a corresponding limit position, to the maximum axial travel of the two elements, with the latter turned to their opposite limit positions.
  • the minimum axial dimension of the spacer is of necessity greater than the helix pitch length, in view of such contributory dimensions as the thickness of parts, etc..
  • the slide element being rotatable through about 180°, the maximum relative travel distance of the two elements can in no case exceed one half the pitch length of the helix.
  • a distance device suiting the applications contemplated by this invention it is typical for a distance device suiting the applications contemplated by this invention to have a minimum axial dimension of about 8-9 mm, and it is mandatory that it can ensure a maximum relative travel distance of no less than 5-6 mm between the two elements. In the instance of the aforementioned UK Patent Application, this cannot be accomplished due to the shape of the spacer and the thickness of its components.
  • the technical problem that underlies this invention is to provide a distance device for fixture frames which has such constructional and functional features as to overcome the drawbacks mentioned above in relation to the devices proposed by the cited prior art.
  • a distance device as indicated being, characterized in that said first element comprises a face cam having a helical ramp-like working surface and the second element comprises a cursor shiftable angularly along said ramp-like surface, and shaped, at least at the bearing surface, as a circular segment, said segment having a smaller angular dimension than the angular span of said ramp-like surface.
  • the device 1 is adapted to fit, in use, between a section 2 of a fixture frame and a false frame 3.
  • the false frame 3 could be a masonry bearing surface framing an opening intended for accomodating the fixture.
  • the distance device 1 comprises first and second elements shown at 6 and 7, respectively, which have respective juxtaposed, substantially flat surfaces 8, 9 adapted to fit, in use, close to the false frame and the frame, or vice versa. By reason of their intended function, these surfaces will be referred to hereinafter as the bearing surfaces of the distance device.
  • the first element 6 includes an essentially rectangular plate-like base having, at one and the same major side, two juxtaposed and aligned projections 10, each provided with an elastically deformable lug 11.
  • the projections 10 and lug 11 serve, by snap fitting into a groove (not shown) on the section 2, to anchor the element 6 removably on the fixture frame.
  • said element 6 is contoured as a face cam with the working surface 12 in the shape of a single-thread helical ramp approximately half-pitch long (180°).
  • the surface 12 is formed with a circular half-ring opening 13 dividing the surface 12 into an outward ring 12a and an inward ring 12b.
  • the opening has a serrated crown-like surface 14.
  • the inward ring 12b has a segment jutting lip-fashion radially into the opening 13, and has at one end a cutout 15 spanning said lip-like segment.
  • Both the rings 12a, b and the opening 13 are concentrical to one another and have a bore 16 forming a journal seat for the second element 7.
  • the surface 12 has, at its remote end from the surface 8, a flat surface portion 17 which interrupts the helical ramp along a substantially radial direction thereto, and whose function will be explained hereinafter.
  • the second element 7 is shaped, at least at the bearing surface 9, as a circular segment having an angular dimension which is smaller than the angular span of surface 12, preferably smaller than 900.
  • angular dimensions on the order of 40°-70° may be mentioned for element 7.
  • Said element has a circumferentially external edge 19 provided with serrations at pitch distance. Said serrations serve as means for engaging a tool, such as the blade of a screwdriver or similar tool, when maneuvering element 7 as will be better disclosed hereafter.
  • Said element has, on its side juxtaposed to the surface 9, a helical ramp segment surface 20 mating with the contour of the surface 12 and being associated in sliding relationship therewith.
  • Said tang 21 is formed with a through-hole 22 with hexagonal cross-sectional shape which provides a socket for engagement by a wrench to be used for adjusting the device 1, as well as for passing a screw V ( Figure 4) for mounting the frame 2 to the false frame 3.
  • the second element 7 is also provided with a detent tooth 23 and a pawl-like stopper 24, both fast with a lug 25 which extends from the surface 20 at the opening 13.
  • the detent tooth 23 engages beneath the lip-like section of the inward ring 12b, after insertion beneath the same through the cutout 15, and acts as a loss-preventing device to avoid incidental separation of the elements 6, 7 from each other.
  • the pawl-like stopper 24 serves, by co-operating with the serrated crown surface 14, to restrict freedom of rotation of the second element 7 about the first (6), thereby making the device 1 easier to adjust.
  • the distance device is shown generally at 100 and comprises a first element 24 having a flattened cylindrical shape with a flat base 8 bearing against the frame 2, or the false frame 3, and a juxtaposed surface defined by two semicircular, helical pattern ramps 12.
  • a second element 27 is pivoted centrally on the first element 26 and has an essentially butterfly-like shape with juxtaposed wings 28 and 29 displaceable angularly over each of the ramps 12.
  • Each wing 28 and 29 has substantially the same construction as the element 7 of the previously discussed embodiment.
  • FIG. 7 and 8 A further variation of the device according to the invention is illustrated by Figures 7 and 8 wherein first and second elements 60, 70 of the device are respectively shown.
  • the two elements, 60 and 70, of this second variation differ from the corresponding elements, 6 and 7, shown in Figures 1-5 mainly by the provision, on both the inward ring 12b of element 60 and the facing portion of the surface 20 of element 70, of a dense arrangement of ridges 61, 71 designed to assist the pawl-like stopper 24 and the serrated crown surface 14 in restricting the freedom of relative rotation of the first and second elements 60, 70, especially when said elements are being pushed against each other.
  • similar ridges may be provided on the corresponding surfaces 12, 20 of the device 100 according to the second example herein described.
  • the distance device of this invention is applied to the sections of the frame 2 of a fixture so as to be interposed between the frame 2 and the false frame 3 in the assembled state. As already mentioned, it is held to the frame 2 by the projections 10, 11 engaging in corresponding slots in the section; thus, the element 6 is prevented from turning relatively to the frame 2.
  • the second element 7 should be rotated from the first against the end of the ramp-like surface 12 juxtaposed to the flat portion 17, so as to minimize the overall thickness of the device 1 (the condition of Figure 2), that is to have it set with the bearing surfaces 8, 9 closest together.
  • the overall thickness of the device 1 is unaffected by the theoretical development of the terminating portion of the helical ramp surface 12 on account of the latter being levelled off where shown at 17 in the drawings. Accordingly, the minimum thickness of the device 1 will be solely given by the sum of the thicknesses of each element 6, 7 in the position shown in Figure 2.
  • a suitable tool such as a blade of a screwdriver, on the serrated edge 19 of the element 7, where the latter is accessible, so as to turn it angularly over the helical ramp surface 12 which constitutes the face cam of the first element 6.
  • the serrated edge 19 of the second element 7 could be rotated using a hexagon wrench of the type ordinarily employed to work socket head screws in engagement with the hole 22 in the tang 21.
  • the device of this invention affords a number of advantages over known devices, among which is that of presenting in practice the same bearing surface area as with the wedge pair arrangements, while providing the same convenient operation as the drop foot devices. This enables the stresses and sideways thrusts involved in the enplacement and installation of the fixture frame to be withstood best, even with an offcentered positioning of the device.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Liquid Crystal (AREA)
  • Hinges (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (11)

  1. Dispositif de calage (1) pour châssis (2) d'appareil du type adapté pour se placer entre une partie châssis (3) de l'appareil et un faux châssis juxtaposé, ou une surface d'appui d'un ouvrage de maçonnerie, et comprenant des premier (6) et deuxième (7) éléments ayant des surfaces de portée respectives juxtaposées (8, 9), guidés dans le sens qui les rapprochent ou les éloignent l'un de l'autre, caractérisé en ce que le premier élément (6) comprend une came de face ayant une surface travaillante (12) en forme de rampe hélicoïdale et le deuxième élément (7) comprend un coulisseau pouvant se déplacer angulairement le long de ladite surface (12) en forme de rampe et qui est conformé, au moins sur sa surface de portée (9), sous la forme d'un secteur de cercle, ledit secteur ayant une dimension angulaire inférieure a la largeur angulaire de ladite surface en forme de rampe.
  2. Dispositif selon la revendication 1, caractérisé en ce que le deuxième élément (7) est tourillonné sur le premier élément (6).
  3. Dispositif selon une des revendications 1 ou 2, caractérisé en ce que ladite surface travaillante (12) en forme de rampe hélicoïdale s'étend sur une distance approximativement égale à la longueur d'un demi-pas.
  4. Dispositif selon une quelconque des revendications 1 à 3, caractérisé en ce que ledit coulisseau a une dimension angulaire de moins de 90°.
  5. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que ledit deuxième élément (7) est associé de façon coulissante à ladite face de came par une surface (20) de profil complémentaire de celle de ladite surface travaillante (12) en forme de rampe hélicoïdale.
  6. Dispositif selon une des revendications 1 et 2, caractérisé en ce qu'il comprend, sur ledit deuxième element (7) un moyen de prise servant à actionner ledit élément pour le déplacer angulairement sur ladite rampe (12).
  7. Dispositif selon la revendication 6, caractérisé en ce que ledit moyen de prise comprend un bord denté (19) dudit deuxième élément (7).
  8. Dispositif selon la revendication 6, rattachée à la revendication 2, caractérisé en ce que ledit moyen de prise comprend un trou (22) de section polygonale formé dans une queue (21) servant à tourillonner le deuxième élément (7) sur le premier élément (6).
  9. Dispositif selon la revendication 1, caractérisé en ce qu'il comprend, sur le deuxième élément (7), un moyen anti-perte servant à éviter que les éléments (6, 7) ne se séparent accidentellement l'un de l'autre.
  10. Dispositif selon la revendication 1, caractérisé en ce qu'il comprend, sur le deuxième élément (7), un moyen (24, 14) servant à freiner le déplacement angulaire du premier élément sur le deuxième élément, de manière à ajuster le mouvement angulaire du deuxième élément (7) sur la rampe (12) par pas successifs.
  11. Dispositif selon la revendication 1, caractérisé en ce que, pour limiter l'épaisseur totale minimum du dispositif, la surface (12) en forme de rampe hélicoïdale dudit premier élément est interrompue à une de ses extrémités et le long d'une ligne sensiblement radiale à ladite rampe, par une surface plate (17).
EP91115452A 1990-09-27 1991-09-12 Dispositif d'écartement pour cadres Expired - Lifetime EP0477684B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT04169590A IT1243291B (it) 1990-09-27 1990-09-27 Dispositivo distanziatore per telai e serramenti
IT4169590 1990-09-27

Publications (2)

Publication Number Publication Date
EP0477684A1 EP0477684A1 (fr) 1992-04-01
EP0477684B1 true EP0477684B1 (fr) 1994-05-18

Family

ID=11253104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91115452A Expired - Lifetime EP0477684B1 (fr) 1990-09-27 1991-09-12 Dispositif d'écartement pour cadres

Country Status (5)

Country Link
EP (1) EP0477684B1 (fr)
AT (1) ATE105908T1 (fr)
DE (1) DE69102041T2 (fr)
ES (1) ES2053253T3 (fr)
IT (1) IT1243291B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018119557A1 (de) * 2018-08-10 2020-02-13 Hörmann KG Freisen Hinterfütterungsvorrichtung sowie damit versehene Zarge

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB634899A (en) * 1947-05-20 1950-03-29 Gen Bronze Corp Improvements in or relating to window frame constructions
DE839888C (de) * 1949-05-24 1952-05-26 Pawa Appbau G M B H Befestigungsvorrichtung, insbesondere fuer Armaturen an Schalttafeln und Armaturenbrettern
DE1683548C3 (de) * 1967-01-05 1975-03-06 Heinz Schuermann & Co, 4800 Bielefeld Justiervorrichtung für Bauteile wie Rahmen, Platten od.dgl. vorzugsweise von Fertigbauwerken
DE1659096A1 (de) * 1967-04-27 1971-02-04 Hammers Paul Ag Wandelement fuer Montagebau
DE1784610C3 (de) * 1968-08-24 1975-08-21 Martin Beilhack Maschinenfabrik Und Hammerwerk Gmbh, 8200 Rosenheim Schnellbefestigungseinrichtung für ein Arbeitsgerät
DE2926488B2 (de) * 1979-06-30 1981-06-11 Mainbau Estrich- und Fußboden GmbH, 8500 Nürnberg Höhenverstellbares Lager für die Abstützung eines aufgeständerten Bodens od.dgl.
GB2176828B (en) * 1985-06-19 1988-05-11 Norcros Investments Ltd Adjustable spacer

Also Published As

Publication number Publication date
DE69102041D1 (de) 1994-06-23
IT9041695A1 (it) 1992-03-27
EP0477684A1 (fr) 1992-04-01
IT1243291B (it) 1994-05-26
DE69102041T2 (de) 1994-09-15
ATE105908T1 (de) 1994-06-15
ES2053253T3 (es) 1994-07-16
IT9041695A0 (it) 1990-09-27

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