WO2019186380A1 - Dispositif de fixation réglable d'élément mécanique - Google Patents

Dispositif de fixation réglable d'élément mécanique Download PDF

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Publication number
WO2019186380A1
WO2019186380A1 PCT/IB2019/052426 IB2019052426W WO2019186380A1 WO 2019186380 A1 WO2019186380 A1 WO 2019186380A1 IB 2019052426 W IB2019052426 W IB 2019052426W WO 2019186380 A1 WO2019186380 A1 WO 2019186380A1
Authority
WO
WIPO (PCT)
Prior art keywords
block
crests
couple
grooves
toothed areas
Prior art date
Application number
PCT/IB2019/052426
Other languages
English (en)
Inventor
Francesco Capoferri
Sergio Capoferri
Original Assignee
Capoferri Serramenti S.P.A.
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 Capoferri Serramenti S.P.A. filed Critical Capoferri Serramenti S.P.A.
Publication of WO2019186380A1 publication Critical patent/WO2019186380A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0216—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable
    • F16B5/0225—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable allowing for adjustment parallel to the plane of the plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/025—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread specially designed to compensate for misalignement or to eliminate unwanted play

Definitions

  • the present invention relates to a device suitable for fixing a mechanical element to a supporting structure so as to allow the adjustment of the position of the mechanical element in an adjustment direction.
  • the mechanical element is intended to be fixed securely and firmly, so as to be able to withstand even high stresses which are discharged on the supporting structure through it.
  • the device can be part of a window metalware, which is the set of accessories applied to a window frame to allow it to be opened and closed.
  • window will refer to the windows properly speaking, but also more generally to French windows, doors, skylights, and the like.
  • the window comprises a fixed frame, a movable frame and a handle which facilitates movement of the movable frame during opening and closure.
  • the fixed frame develops mainly in a vertical plane.
  • the handle also controls window locking members which allow the movable frame (or shutter) to be locked in the closure position.
  • the window locking members may comprise one or more latches, usually movable along the vertical direction. Each latch, vertically protruding from the movable frame shape, engages a respective seat obtained by means of a hole in the fixed frame.
  • the window locking members may also comprise one or more locking pins.
  • the locking pins are usually movable along the vertical direction, but unlike the latches they do not vertically protrude from the movable frame shape.
  • the locking pins slide along a strut of the mobile frame and are designed to engage suitable seats having the shape of a U (hereinafter referred to as U-shaped seats) formed on a matching structure to which the strut of the movable frame matches when it is brought into the closed position.
  • the matching structure may consist of the fixed frame in the case of a single-shutter window or, in the case of a multiple-shutter window, of the strut of the other movable frame.
  • Each U-shaped seat must therefore be suitable for receiving a respective locking pin.
  • the coupling between the locking pin and the respective U- shaped seat must be as precise as possible. On the one hand, to allow a firm and reliable closure of the shutter, the coupling must not have excessive clearance.
  • the relative dimensions of the locking pin and of the respective seat are defined during the design process also for this purpose. On the other hand, to allow an easy closure, there must be no interference between the locking pin and the respective U-shaped seat, and this is achieved by a correct relative positioning of the locking pin with respect to the U-shaped seat.
  • each locking pin and the respective U-shaped seat it must be possible to perform a fine adjustment of the relative position of each locking pin and the respective U-shaped seat. It is usually expected that the locking pins can be moved, within a range of few millimetres, laterally to the axis along which they move.
  • the object of the present invention is to overcome the drawbacks underlined before with respect to the prior art.
  • a task of the present invention is to provide a device which is suitable for fixing a mechanical element to a supporting structure so as to allow the adjustment of the position of the mechanical element in an adjustment direction.
  • a task of the present invention is to provide a device which is suitable for fixing a U-shaped seat to a window frame so as to allow the adjustment of the position of the U-shaped seat in an adjustment direction.
  • Another task is to provide a device which, while allowing a fine adjustment of the position of the mechanical element, allows the latter to be fixed firmly and securely.
  • FIG. 1 shows a perspective view of a structure according to the invention
  • figure 2 shows a perspective view similar to that of figure 1 , wherein a device according to the invention has been partially disassembled;
  • figure 3 shows an exploded perspective view of the structure of figure 1 ;
  • FIG. 4 shows a perspective view of a device according to the invention, in a disassembled configuration
  • - figure 5 shows an elevational view of the device of figure 4;
  • - figure 6 shows an enlarged view of the detail referred to as VI in figure 5;
  • figure 7.a shows an elevational view of the structure of figure 1 , in a first configuration
  • figure 7.b shows an elevational view of the structure of figure 1 , in a second configuration
  • FIG. 8 shows another embodiment of a device according to the invention.
  • FIG. 9 shows a first kit of devices according to the invention.
  • FIG. 10 shows a second kit of devices according to the invention.
  • a mechanical element can be understood to mean any element which must be positioned with a certain accuracy and which must be able to withstand even relatively high stresses without thereby being displaced with respect to the position defined at the time of assembly.
  • a mechanical element may be the U-shaped seat for a locking pin of a window, an eyelet for hanging a wall unit, a hinge portion for a door or the like.
  • supporting structure can be understood to mean any structure intended to support the mechanical element to be positioned.
  • some supporting structures to which the devices according to the invention can be fixed may be: columns, beams, frames, walls and the like.
  • the supporting structure may preferably be the abutment structure to which the movable frame approaches when it is brought to the closed position.
  • the supporting structure can therefore be part of the fixed frame, if the window has only one door, or part of another movable frame, if the window has multiple doors.
  • the invention relates to a device 20 suitable for fixing a mechanical element 22 to a supporting structure 24 so as to allow the adjustment of the position of the mechanical element 22 in an adjustment direction r.
  • the device 20 comprises a base block 26 and a functional block 28 conjugated to each other.
  • the base block 26 comprises at least two through holes 30 and a first couple of toothed areas 32, 34, wherein, during use:
  • the through holes 30 have axes parallel to a fixing direction f perpendicular to the adjustment direction r;
  • the two toothed areas 32, 34 comprise respective linear toothings 36 having grooves 360 and crests 362 with straight development along a toothing direction t perpendicular to the adjustment direction r and to the fixing direction f, and
  • the grooves 360 and the crests 362 are evenly-spaced along the adjustment direction r, such that two consecutive crests 362 are spaced the one from the other by a pitch p and two consecutive grooves 360 are spaced the one from the other by the same pitch p.
  • the functional block 28 comprises one or more through slots 40, a second couple of toothed areas 42, 44, and the mechanical element 22, wherein, during use:
  • each through slot 40 has a through axis parallel to the fixing direction f;
  • each through slot 40 extends along the adjustment direction r;
  • the two toothed areas 42, 44 comprise respective linear toothings 46 having grooves 460 and crests 462 with straight development along the toothing direction t;
  • - the grooves 460 and the crests 462 are evenly-spaced along the adjustment direction r, such that two consecutive crests 462 are spaced the one from the other by the pitch p and two consecutive grooves 460 are spaced the one from the other by the same p; and - the through slot 40 or the through slots 40 are arranged so as to overlap the through holes 30 of the base block 26.
  • the grooves and the crests of a toothed area 32, 42 are offset with respect to the grooves and to the crests of the other toothed area 34, 44 of the same couple, of p/2 along the adjustment direction r.
  • the above-given description of the device 20 according to the invention refers to the two blocks 26 and 28 arranged in configuration of use, as for example in figures 1 and 7.
  • the mutual orientation of the directions f, r and t may vary between one block and the other when the two blocks assume other configurations, such as for example that of figure 2.
  • the above-given description of the device 20 according to the invention refers to the two blocks 26 and 28 arranged in an optimum configuration of use, as for example in figures 1 and 7.
  • the skilled person will have no difficulty in understanding how the device 20 according to the invention can be reversely assembled, that is by first placing the functional block 28 in contact with the supporting structure 24, and subsequently placing the base block 26.
  • the key feature to distinguish the functions of the two blocks 26 and 28 is that the block comprising the mechanical element 22 also comprises the through slots 40, while the other block comprises the through holes 30.
  • the two through slots 40 have an oblong shape, the major extension of which is arranged along the adjustment direction r.
  • the minor extension, arranged along the toothing direction t, is preferably equal to the diameter of the through holes 30 of the base block 26.
  • the largest extension can be preferably between twice and three times the smallest extension.
  • the mechanical element 22 comprises a U- shaped seat for a locking pin, typically for a pin of a window metalware.
  • the U-shaped seat is suitable for receiving a locking pin along the toothing direction t.
  • the first couple of toothed areas 32, 34 of the base block 26 defines a first rotation centroid d with respect to which the two through holes 30 and the same toothed areas 32, 34 are arranged in a symmetrical manner.
  • the two through holes 30 exchange position with each other and the two toothed areas 32, 34 exchange positions with each other.
  • the through slot 40 or the through slots 40 of the functional block 28 are arranged so as to overlap the through holes 30 of the base block 26.
  • the through slot 40 or the through slots 40 are arranged symmetrically with respect to a centroid c2. In other words, even by rotating the base block 26 of 180° around an axis parallel to the fixing direction f and passing through the first centroid d , the through slot 40 or the through slots 40 of the functional block 28 continue to overlap with the two through holes 30 of the base block 26.
  • the functional blocks 28 of the devices 20 according to the invention can comprise one or more through slots 40.
  • Each of the functional blocks 28 of figure 9 comprises two through slots 40.
  • the two through slots 40 have a greater extension parallel to each other and together they take on a symmetrical shape with respect to the centroid c2.
  • Each of the functional blocks 28 of figure 10 comprises a single through slots 40.
  • the through slot 40 assumes a symmetrical shape with respect to the centroid c2.
  • each block 26, 28 of the device 20 according to the invention develops in a longitudinal direction I and in a transverse direction m, both perpendicular to the fixing direction f.
  • the toothing direction t is parallel to the longitudinal direction I and the adjustment direction r is parallel to the transverse direction m.
  • the toothing direction t is parallel to the transverse direction m and the adjustment direction r is parallel to the longitudinal direction I.
  • the invention relates to a kit 38 comprising two devices 20 both according to the invention.
  • two adjustment directions r and, accordingly, two toothing directions t are defined.
  • the first toothing direction t1 is parallel to the longitudinal direction I and the first adjustment direction r1 is parallel to the transverse direction m
  • the second toothing direction t2 is parallel to the transverse direction m and the second adjustment direction r2 is parallel to the longitudinal direction I.
  • the above-disclosed kit 38 allows to fix two mechanical element 22 to a supporting structure 24 so as to allow the position of a first mechanical element 22 to be adjusted in a first adjustment direction r1 , and the position of a second mechanical element 22 to be adjusted in a second adjustment direction r2.
  • the two mechanical elements 22 of the above-disclosed kit 38 may be hooks or eyelets designed to hold a single element whose position must be adjusted both in the horizontal direction and in the vertical direction.
  • a single device 20 according to the invention is suitable for allowing the position of the mechanical element 22 to be adjusted in a first adjustment direction r1 and in a second adjustment direction r2 perpendicular to it.
  • the base block 26 in turn comprises a first sub-block 260 and a second sub-block 262 conjugated to each other.
  • the first sub-block 260 comprises the two through holes 30, and a third couple of toothed areas 52, 54, wherein, during use: - the two toothed areas 52, 54 are oriented towards the second sub-block 262;
  • the two toothed areas 52, 54 comprise respective linear toothings 56 having grooves 560 and crests 562 with straight development along a second toothing direction t2 perpendicular to the second adjustment direction r2 and to the fixing direction f;
  • the grooves 560 and the crests 562 are evenly-spaced along the second adjustment direction r2, such that two consecutive crests 562 are spaced the one from the other by a second pitch p2 and two consecutive grooves 560 are spaced the one from the other by the same second pitch p2.
  • the second sub-block 262 comprises one or more through slots 60, the first couple of toothed areas 32, 34 and a fourth couple of toothed areas 62, 64, wherein, during use:
  • each through slot 60 has a through axis parallel to the fixing direction f;
  • each through slot 60 extends along the second adjustment direction r2;
  • the fourth couple of toothed areas 62, 64 comprises respective linear toothings 66 having grooves 660 and crests 662 with straight development along the second toothing direction t2;
  • the grooves 660 and the crests 662 are evenly-spaced along the second adjustment direction r2, such that two consecutive crests 662 are spaced the one from the other by the second pitch p2 and two consecutive grooves 660 are spaced the one from the other by the same second pitch p2;
  • the through slot 60 or the through slots 60 are arranged so as to overlap the through holes 30 of the first sub-block 260.
  • the grooves and the crests of a toothed area 52, 62 are offset with respect to the grooves and to the crests of the other toothed area 54, 64 of the same couple, of p2/2 along the second adjustment direction r2.
  • the third couple of toothed areas 52, 54 of the first sub-block 260 defines the first rotation centroid d with respect to which the two through holes 30 and the same toothed areas 52, 54 are arranged in a symmetrical manner.
  • the two through holes 30 exchange position with each other and the two toothed areas 52, 54 exchange positions with each other.
  • the through slot 60 or the through slots 60 of the second sub-block 262 are arranged so as to overlap the through holes 30 of the first sub-block 260.
  • the through slot 60 or the through slots 60 are arranged symmetrically with respect to a centroid c3.
  • the through slot 60 or the through slots 60 of the second sub block 262 continue to overlap with the two through holes 30 of the first sub-block 260.
  • the linear toothings of the different toothed areas can take on different shape based on the different manufacturing requirements.
  • An advantageous characteristic is that the grooves of the toothed areas of a block or sub-block are suitable to receive the crests of the toothed areas of the block or sub-block connected thereto.
  • the grooves 360 of the toothed areas 32, 34 of the base block 26 are suitable for receiving the crests 462 of the toothed areas 42, 44 of the functional block 28 and that - vice versa - the grooves 460 of the toothed areas 42, 44 of the functional block 28 are suitable for receiving the crests 362 of the toothed areas 32, 34 of the base block 26.
  • each couple of toothed areas extends mainly in a plane p perpendicular to the fixing direction f.
  • the crests are arranged on a crest plane TTC and the grooves are arranged on a groove plane TTS.
  • the crest plane TTC and the groove plane TTS satisfy one or more of the following geometrical characteristics:
  • the distance between the crest plane TTC and the groove plane TTS determines the depth c of the toothing.
  • a suitable procedure for obtaining toothed areas with the above characteristics is for example the precision casting.
  • the size of the pitch p and the size of the depth c of the toothing vary one as a function of the other.
  • the size of the pitch p and of the depth c can vary considerably according to the type of mechanical element 22 to be positioned and to the forces that it will have to contrast in its operative life.
  • the definition of the sizes of the pitch p and of the depth c is subject to the problem of having to consider contrasting needs. In general, in fact, a greater depth c implies a tighter and stronger shape constraint between the two blocks or sub blocks, while a smaller depth c implies a less stable and less robust shape constraint.
  • a smaller pitch p allows a finer adjustment of the position of the mechanical element 22, while a larger pitch p implies a coarser adjustment. As will be described in detail below, the invention nevertheless allows to largely solve this problem.
  • the first pitch p1 is preferably between 1 mm and 2 mm, even more preferably between 1.25 mm and 1.75 mm.
  • the two toothed areas are separated from each other by a smooth zone 48 which extends along the respective adjustment direction.
  • This smooth zone 48 represents a simple and inexpensive solution to avoid the creation of interferences between the conjugated toothings, along the border between two toothed areas of the same couple.
  • the commonly-used procedures to manufacture the toothing e.g. the precision casting) cannot guarantee the absence of these interferences, which could prevent the conjugated toothings from engaging correctly.
  • the invention relates to a supporting structure 24 comprising one of the above-disclosed devices 20.
  • the supporting structure 24 further comprises two threaded seats 50 and two screws 68, wherein:
  • the two screws 68 are suitable for consecutively crossing the through slots 40 of the functional block 28 and the through holes 30 of the base block 26 and for engaging the threaded seats 50 on the supporting structure 24.
  • the through slots 40 of the functional block 28 comprise respective recesses 70 suitable for housing the heads of the screws 68 when these are placed in the correct configuration of use.
  • the position of the two blocks 26, 28 with respect to the supporting structure 24 could be reversed along the fixing direction f.
  • the features, the operation and the advantages of the invention could be maintained even resting first the functional block 28 to the supporting structure 24 and making the base block 26 follow.
  • the base block 26 should preferably comprise recesses suitable for receiving the heads of the screws 68, which otherwise would remain completely exposed. This occurrence, while allowing the operation of the invention, would imply excessive bulks, above all if the device 20 must be received in the window metalware.
  • the base block 26 is rested so that the two through holes 30 coincide with the two threaded seats 50 of the supporting structure 24 and so that the two toothed areas 32, 34 are oriented away from the supporting structure 24.
  • the functional block 28 is approached to the base block 26 conjugated thereto, so that its two toothed areas 42, 44 are oriented towards the two toothed areas 32, 34 of the base block 26.
  • the toothings of the respective toothed areas engage with each other.
  • the screws 68 are arranged passing first trough the through slots 40 of the functional block 28, then trough the through holes 30 of the base block 26 and then engaging the threaded seats 50 on the supporting structure 24.
  • the base block 26 is rigidly constrained to the supporting structure 24 by the screws 68 constraining it in every direction.
  • the functional block 28 is constrained to the base block 26 by the joint action of the screws 68 and the linear toothings. Due to the shape of the slots 40, in the presence of the screws 68, the functional block 28 is constrained in the toothing direction t, while it can be limitedly moved in the adjustment direction r. This freedom of movement is lost when the tightening of the screws 68 determines the firm engagement of the linear toothings of the two blocks 26, 28.
  • the device 20 is first assembled as in figure 7. a, in the configuration wherein the two blocks 26, 28 are overlapping on each other along the respective centreline, in a symmetrical manner with respect to the toothing direction t.
  • This specific configuration is pointed out in figure 7. a by the fact that the centreline notch 72 of the base block 26 coincides with the centreline notch 72 of the functional block 28.
  • the invention allows a discrete and fine adjustment of this position.
  • the invention allows to move the functional block 28 with respect to the base block 26 n times the pitch p of the toothing, i.e. nxp, within the range defined by the greater extension of the through slots 40.
  • nxp the pitch of the toothing
  • the functional block 28 can be moved along the adjustment direction r with respect to the base block 26, which instead remains stationary in its previous position.
  • the displacement must take place of an integer number n of pitches p, from which the total displacement can be indicated as nxp.
  • the invention also allows for an intermediate displacement between two successive pitches.
  • the invention thus allows to introduce a displacement of only half a pitch or p/2.
  • the screws 68 are completely removed from the device 20, until the functional block 28 is released with respect to the base block 26 and the base block 26 is released with respect to the supporting structure 24.
  • the base block 26 is rotated of 180° around an axis parallel to the fixing direction f and passing through the centroid d , so that its two through holes 30 coincide again, although inverted to each other, with the threaded seats 50 of the supporting structure 24.
  • the functional block 28 is approached again to the base block 26, so that its two toothed areas 42, 44 are oriented towards the two toothed areas 32, 34 of the base block 26.
  • the toothings of the respective toothed areas engage with each other.
  • the screws 68 are arranged passing first trough the through slots 40 of the functional block 28, then trough the through holes 30 of the base block 26 and then engaging the threaded seats 50 on the supporting structure 24.
  • the device 20 is thus brought to the configuration of figure 7.b, wherein the centrelines of the two blocks are moved away of p/2 in the adjustment direction r.
  • This specific configuration is pointed out in figure 7.b by the fact that the centreline notch 72 of the base block 26 is moved away of p/2 with respect to the centreline notch 72 of the functional block 28.
  • the invention allows to overcome the drawbacks highlighted above with reference to the prior art.
  • the present invention provides a device 20 suitable for fixing a mechanical element 22 to a supporting structure 24 so as to allow the adjustment of the position of the mechanical element 22 in an adjustment direction.
  • the present invention provides a device 20 which is suitable for fixing a U-shaped seat to a window frame so as to allow the adjustment of the position of the U-shaped seat in an adjustment direction. Additionally, the present invention provides a device 20 which, while allowing a fine adjustment of the position of the mechanical element 22, allows the latter to be fixed firmly and securely.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

L'invention concerne un dispositif (20) adapté à fixer un élément mécanique (22) à une structure de support (24) de manière à permettre le réglage de la position de l'élément mécanique dans une direction de réglage (r). Le dispositif (20) comprend un bloc de base (26) et un bloc fonctionnel (28) conjugués l'un à l'autre.Le bloc de base (26) comprend au moins deux trous traversants (30) et une première paire de zones dentées (32, 34) présentant un pas p. Le bloc fonctionnel (28) comprend une ou plusieurs fentes traversantes (40), l'élément mécanique (22) et une seconde paire de zones dentées (42, 44) présentant un pas p. Dans chaque paire de zones dentées, les rainures et les crêtes d'une zone dentée (32, 42) sont décalées, par rapport aux rainures et aux crêtes de l'autre zone dentée (34, 44) de la même paire, de p/2 le long de la direction de réglage (r). L'invention concerne également une structure de support (24) comprenant un dispositif (20).
PCT/IB2019/052426 2018-03-29 2019-03-26 Dispositif de fixation réglable d'élément mécanique WO2019186380A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000004066A IT201800004066A1 (it) 2018-03-29 2018-03-29 Dispositivo per fissare un organo meccanico in modo regolabile
IT102018000004066 2018-03-29

Publications (1)

Publication Number Publication Date
WO2019186380A1 true WO2019186380A1 (fr) 2019-10-03

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ID=62597972

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Application Number Title Priority Date Filing Date
PCT/IB2019/052426 WO2019186380A1 (fr) 2018-03-29 2019-03-26 Dispositif de fixation réglable d'élément mécanique

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IT (1) IT201800004066A1 (fr)
WO (1) WO2019186380A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581104A (en) * 1949-04-20 1952-01-01 Jr George W Houlsby Adjustable hinge
FR2768204A1 (fr) * 1997-09-05 1999-03-12 Lemforder Nacam Sa Securite d'engagement a patin d'un dispositif de maintien en position d'un systeme de serrage de deux elements
EP1980685A1 (fr) * 2008-04-01 2008-10-15 Popp-op Coin prolongé par un deuxième coin
US20160108943A1 (en) * 2014-10-21 2016-04-21 Curtis Knutson Incremental adjustment tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581104A (en) * 1949-04-20 1952-01-01 Jr George W Houlsby Adjustable hinge
FR2768204A1 (fr) * 1997-09-05 1999-03-12 Lemforder Nacam Sa Securite d'engagement a patin d'un dispositif de maintien en position d'un systeme de serrage de deux elements
EP1980685A1 (fr) * 2008-04-01 2008-10-15 Popp-op Coin prolongé par un deuxième coin
US20160108943A1 (en) * 2014-10-21 2016-04-21 Curtis Knutson Incremental adjustment tool

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