RU2567229C2 - Hidden device for wall assembly of structural element of furniture item with adjustment from above - Google Patents

Abstract

FIELD: personal use articles.

SUBSTANCE: invention relates to a hidden device for wall assembly of the structural element of furniture item and is aimed at improving the ease and reliability of mounting within the projection of furniture item. The hidden device for mounting the structural element of furniture item on the wall comprises a movable lever for mounting the said device to a support attached to the wall, and the position of the said lever relative to the said wall is made with the ability of adjustment in height and depth by means of two different control mechanisms, respectively, and these control mechanisms are completely contained inside the box body, and the said body is made of two halves, and the device is made with the ability of inserting a seat inside, and on the upper part of the said box body there are also the relative access means for access to the said control mechanisms from above.

EFFECT: improvement of ease and reliability of mounting inside the projection of furniture item is achieved.

20 cl, 28 dwg

Description

The present invention relates to a hidden device for wall assembly of a structural element of a piece of furniture, adjustable from above.

In the art, these devices are commonly known as hidden hanging brackets.

By way of non-limiting example, the invention is described herein with reference to a wall assembly of a wall cupboard, but can also be used for mounting uprights (tabs) forming part of a bookcase or other furniture.

These devices also have a function that allows you to adjust the height and depth of a piece of furniture suspended on the wall, in relation to the wall itself and adjacent pieces of furniture.

The furniture item is fixed on the wall using a bracket that extends from the device body and is attached to a support, for example, a rod, pin, plate or similar element attached to the wall.

The above adjustments in height and depth are carried out by acting on the bracket by means of various types of mechanisms that are controlled (outside the device) by means of a manipulating tool (for example, a screwdriver).

The present invention, in particular, relates to a so-called bracket with a central protrusion, i.e. concealed bracket, which is designed to be inserted inside the seat located inside the protrusion of a piece of furniture, for example, a cabinet or other furniture element.

The so-called brackets with a central protrusion must satisfy the following basic requirements.

Firstly, their overall design should be such as to enable easy and reliable installation inside the protrusion of a piece of furniture, even if the relative footprint is not perfectly complementary (with a perfect fit).

Secondly, their design should be such as to provide a strong and reliable fastening to the ledge of the furniture: that is, a wall cabinet under load should not easily disconnect from its seat, which will entail a fall of the cabinet.

Thirdly, the above-mentioned mechanisms for regulating a piece of furniture in height and depth should be easily accessible and made with the possibility of adjustment from the outside: i.e. even if the hanging bracket is inserted inside the ledge of the cabinet, this should be independent of the type and position of the pivot (hinged) door system relative to the cabinet itself.

A further requirement that the brackets with a central protrusion must satisfy is that they must contain mechanisms for adjusting the cabinet in height and depth, which are simple to manufacture and assemble and reliable in operation.

The main objective of the present invention is the implementation of the bracket with a Central protrusion, which is able to satisfy the above requirements, overcoming the disadvantages of the prior art.

This goal is achieved using a device, the so-called hanging bracket with a central protrusion, having the characteristics specified in paragraph 1 and in the dependent claims of the attached claims.

The structural and functional characteristics of the invention and its advantages over the prior art will become more apparent from the following description with reference to the accompanying drawings, which show a possible practical embodiment of the invention.

In the drawings:

Figures 1 and 2 are two perspective views illustrating, respectively, front and rear, a first example of a mounting device made in accordance with the invention, abutting against a support intended for attachment to a wall;

Figure 3 is a detail view in perspective of the device depicted in figures 1 and 2;

Figure 4 is a perspective view of the device shown in Figure 3, in assembled form, but with an open housing to illustrate the location of the cabinet control mechanisms in height and depth of the specified assembly;

Figure 5 is a vertical sectional view of the device depicted in Figure 1-4, in assembled form;

6 is a sectional view taken along line VI-VI of FIG. 5;

Figures 7-10 are views illustrating an assembly system between a device body and a mounting vertical stand of the same device inside a seat located in a protrusion of a piece of furniture;

11 is a front view from above, partially illustrating a protrusion of a piece of furniture, which provides a seat for a device made in accordance with the invention;

Fig. 12 is a top view similar to that shown in Fig. 11, but in which the device is shown placed inside said seat;

Fig.13 is a section made in accordance with the shown line XIII-XIII in Fig.12;

FIG. 14 is a plan view in accordance with arrow F shown in FIG. 13;

Fig. 15 is an enlarged view illustrating how, when the cabinet is mounted on a wall, forces are applied to a device made in accordance with the invention;

Fig is a perspective view illustrating a cabinet having a hanging bracket with a Central protrusion, in accordance with the invention depicted in Fig.1-15;

17 and 18 are two perspective views illustrating, respectively, front and rear, a second example of a mounting device made in accordance with the invention, resting on a support intended for mounting to a wall;

Fig.19 is a perspective view of the device depicted in Fig.17, 18;

Fig.20 is a perspective view of part of the device shown in Fig.19, in assembled form, but with an open housing to illustrate the location in the assembly of the control mechanisms of the cabinet in height and depth;

Fig.21 is a vertical section of the device shown in Fig.17-20, in assembled form;

Fig.22 is a section along the line XXII-XXII in Fig.21;

Fig is a front view from above, partially illustrating the protrusion of a piece of furniture, where there is a seat for a device made in accordance with the invention;

Fig is a top view, similar to Fig, but with a device located inside the specified location;

Fig.25 is a section along the line XXV-XXV in Fig.24;

Fig is a top view in accordance with the arrow F shown in Fig;

27 is an enlarged view illustrating how, when the cabinet is assembled on the wall, forces act on the device made in accordance with the invention;

Fig is a perspective view illustrating a cabinet having a hanging bracket with a Central protrusion made in accordance with the invention, as shown in Fig.17-27.

Figures 1-16 of the drawings illustrate a first possible embodiment of the invention, in which the mounting device is indicated generally by the position number 50 and refers to the so-called hidden type, in particular intended to be included in an element of a piece of furniture, for example, a vertical stand or panel 51 .

As indicated above, devices of this type are commonly known as pendant brackets with a central protrusion. The device 50 constructively consists of a flat rectangular housing 52, consisting of two halves 53, 54, interconnected and partially containing an engaging lever 55.

The lever 55 can be rotated around the pin 56 in the direction indicated by the arrow F (FIG. 5), and can also be moved forward and backward in the direction indicated by the arrow F1 (FIG. 6).

The rotation and movement of the lever 55 is controlled by two separate control mechanisms, which are indicated as a whole by reference numerals 57, 58, respectively.

The mechanism 57 serves to adjust the height (vertical) position of the panel 51, while the mechanism 58 serves to adjust the depth of the position (horizontal).

More specifically, as can be clearly seen in various illustrative drawings, the engaging lever 55 is in one fork part with spaced apart arms 59 open at the rear and flat and profiled in front, restricting the hook 60 protruding through the opening 61 of the housing 52. The hook 60 is designed for engagement inside the hole 31 of the support 30 attached to the wall 20. These shoulders 59 of the lever 55, near the open rear end, have holes 62 for inserting a pin 56, on which they can rotate.

As can be clearly seen in the drawings, the engaging lever 55 during rotation and translational movement is guided by the inner surfaces of the housing 52 (Fig.6).

The mechanism 57, which controls the rotation of the lever 55 around the pin 56, contains a screw 63, which is screwed into the nut 34, made as a single unit with the lever 55.

For this, the head 65 of the screw 63 is rotatably positioned in the corresponding mounting position 67 of the two halves 53, 54 of the housing.

Similarly, the end of the screw 63, located opposite the head 65, is rotatably placed in the corresponding seat 66 of the halves 53, 54 of the housing.

In addition, the seat 68 is located in the head 65 of the screw 63 for manipulating the tool passing through the hole 69 in the housing 52.

The mechanism 58, which controls the movement of the lever 55, contains a screw 70, which is screwed through the threaded hole 71 of the pin 56, on which the lever 55 is rotated.

As can be clearly seen in the drawings, in particular in FIGS. 5 and 6, the movement of said screw 70 is blocked at the front end by a support 72, and at the rear end by a support 73, on which the screw 70 is rotatably mounted.

More specifically, the front end of the screw 70 is rotatably located in the seat 74 of the support 72, while the screw head 75 at the opposite end includes a gear head 76, by which the gear 77 engages, which can rotate on a pin 78, the rotary axis of which perpendicular to the rotary axis of the screw 70

The gear wheel 77 and the relative pin 78 are placed in the corresponding seat 79 of the housing 52.

The seat 80 is located in the gear wheel 77 for manipulating the tool passing through the hole 81 of the housing 52.

The screw 70 is rotatably supported, in accordance with the gear head 76, inside the slit 82 of the support 73, which, in turn, is tightly inserted into the seat 83 formed by the connection between the two halves 53, 54 of the housing.

The elements of the above control mechanisms 57, 58, as can be clearly seen in the drawings, are located inside the corresponding seat formed as a result of the connection between the two halves 53, 54 of the housing, and this seat is partially indicated in FIG. 3 by 84.

The halves 53, 54 of the housing are firmly connected to each other by means of a large number of pins 85, contain the kinematic mechanisms described above.

The housing 52 described above comprises mechanisms 57, 58 for adjusting, respectively, the height and depth of the panel 51 (and therefore the cabinet, of which the panel 51 can be a part), distinctively also contains a box-shaped vertical rack 86 for attaching a suspension bracket 50 with a central protrusion to panel 51 as described below.

The specified vertical post 86 structurally consists of a core 87, reinforced around the perimeter of the edge 88, connected at the ends, as can be clearly seen in the drawings.

The core 87 of the upright 86 has an opening 89 in which the flat rectangular bracket body 52 is assembled and secured (Figs. 7-10).

For this, the box-shaped retaining tooth 90 protrudes, in accordance with the edge of the housing 52, above the hook 60, which delimits, in the same housing 52, a slot 91.

The fixing pin 92 extends, in accordance with the edge of the housing 52, under the hook 60.

Thus, the housing 52 can be attached to the upright 86, in accordance with the hole 89, as shown by the sequence of operations in Fig.7-10, i.e. first, by inserting the tooth 90 through the hole 89, and then inserting the slit 91 into the core 87, and the pin 92 into the hole 93 of the core 87 itself. Finally, the pin 92 is riveted, as shown by reference numeral 94, to the core 87 so as to obtain a strong stable and secure connection between the housing 52 and the upright 86 (Figures 5, 10, 13); the housing 52 and the upright 86, therefore, are firmly buffered from each other.

As can be clearly seen in the drawings, the hole 89 has an eccentricity, that is, it is located closer to the upper end of the upright 86, with respect to the lower end.

In the upright 86, two levers B1 and B2 are provided, respectively, longer and shorter, whose very important role will be described below.

The lever B1 is located under the body 52, while the lever B2 is located above the body.

The hanging bracket 50 with a central protrusion, as described above, is firmly attached to the panel 51 as follows, with particular reference to FIGS. 11-14.

The seats 95, 96 are located in the panel 51, in which the housing 52 and the mounting vertical rack 86 of the suspension bracket 50 are also located, also with a gap (see Fig. 15 on an enlarged scale).

The pendant arm 50 is firmly fixed in place by a box-shaped upright 86, which is screwed to the panel 51 by a large number of screws 97 passing through the holes 98 of the core 87 of the upright post 86 itself.

Fig. 16 illustrates, by way of non-limiting example, a hidden hanging bracket with a central protrusion, made in accordance with the invention, included inside the protrusion 51 of the wall cabinet M.

Wall cabinet M has a door A pivotally mounted by means of a rotary system S of a known type, which allows it to be rotated (around a horizontal axis) up (opening) and vice versa (closing).

As can be clearly seen from the enlarged parts shown in FIG. 16, despite the burdensome pivoting system S of door A, which actually makes the hanging bracket of the visible type inaccessible from the front (see, for example, European Patent Application No. 0033179), the hidden hanging the bracket with a central protrusion, made in accordance with the invention, is easily accessible from the side by manipulating a screwdriver C, which is inserted through the holes 99, 100 in the panel 51, which are aligned with the holes 69, 81 in the upper side L of the box pus 52 (Fig.15), in accordance with the axes X, which lie on planes that are almost perpendicular to the sides 101 of the box-shaped body 52.

This provides access to mechanisms 57, 58 that control the height and depth of the piece of furniture M, as described above.

FIGS. 17-28 depict a second embodiment of the invention in which elements that are the same or substantially equivalent to those illustrated in FIGS. 1-16 are denoted by the same reference numbers increased by 100 and will not, therefore, described here in detail.

In this second embodiment of the invention, the height adjustment mechanism 157 (vertically), instead of being located inside the box body 152, is located inside the mounting upright post 186.

In particular, for this purpose, the position of the screw 163 and the relative nut 164 is shifted forward, closer to the hook 160 of the lever 155, as can be clearly seen in Fig.21, 22 of the drawings.

The head 165 of the screw 163 and its end opposite the head 165 are rotatably supported within the respective seats 166, 167.

The seat 166 is located in the housing of the retaining tooth 190, while the seat 167 is located inside the portion 102 protruding from the housing 152 and limited by a reciprocal connection between the two halves of the housing 153, 154.

The specified part 102 protrudes from the housing 152 next to the riveted pins 192, 194.

The head 165 of the screw 163 can be accessed by manipulating the tool, for example with a screwdriver C, through an opening 103 located at the upper end of the box-shaped upright 183, coaxially with the hole 169 of the box-shaped housing 152.

In both embodiments described above, the regulation of the height and depth of the piece of furniture M with respect to the wall 20 (and, possibly, also with respect to other adjacent pieces of furniture (not shown) is realized by acting on the screws 63, 163 and, respectively gear wheel 77, 177.

Turning the screws 63, 163 in one or the other direction, in fact, causes the levers 55, 155 to rotate around the pins 56, 156, by screwing the screws 63, 163 themselves into the nuts 64, 164. Turning the gears 77, 177 (and the heads 76, 176) in one or the other direction, on the other hand, causes the levers 55, 155 to move due to the screws 70, 170 being screwed in the holes 71, 171 of the pins 56, 156, which, therefore, are forced to move back and forth as a single whole with levers 55, 155.

The seats 68, 168 and 80, 180 are made with access for manipulating a tool (for example, a screwdriver) inserted through the corresponding coaxial holes 69, 169 and 81, 181 located on the upper side L of the box body 52, 152, and through the holes 99 , 100 and 199, 200 of panels 51, 151.

Figs. 15 and 27 on an enlarged scale depict how, thanks to a hidden hanging bracket with a central protrusion made in accordance with the invention, the serious problem of disconnecting the housing 152 of the bracket from the corresponding footprint 195 is solved, even if the latter is not precisely sized.

The problem is solved by means of a mounting vertical stand 186 with levers B1 and B2, respectively, longer and shorter, which prevent the panel 151 from turning clockwise (under voltage F1) around the hinge point P, due to the action of forces with components R1, R2, R3 and R4, and with the resulting moment M1 forces.

The interaction between the core 187 and 188 of the perimetric edge 188 of the box-shaped mounting vertical post 186 is of great importance for this purpose.

Access from above with a screwdriver C is provided thanks to the existing hole (not shown in detail) from above 32 cabinet M.

Therefore, the goals indicated at the beginning of the description are achieved.

The scope of the invention is determined by the following claims.

Claims (20)

1. A hidden device (50, 150) for mounting a structural element (51, 151) of a piece of furniture (M) on a wall (20), comprising:
a movable lever (55, 155) for attaching said device (50, 150) to a support (30, 130) attached to a wall (20), said lever (55, 155) being configured to adjust its position with respect to said wall (20) in height and depth using two different control mechanisms (57, 58, 157, 158), respectively,
characterized in that
these control mechanisms (57, 58, 157, 158) are completely located inside the box-shaped case (52, 152), from the front side of which a hook-shaped end (60, 160) of the specified lever (55, 155) protrudes, the specified case ( 52, 152) is made of two halves (53, 54; 153, 154), which, in accordance with the specified front side, contain fixing means (86, 186) of the device (50, 150) inside the seat (95, 96, 195 , 196) of the indicated element (51, 151) of the piece of furniture (M), while the device (50, 150) is configured to be inserted into the specified landing e place (95, 96; 195, 196), while relative access means (69, 81; 169, 181) are also provided on the upper part (L) of the box-shaped case (52, 152) to provide access from above to the indicated mechanisms (57 , 58; 157, 158) of regulation, in accordance with the X axes lying essentially on the coplanar plane with respect to the indicated sides (101, 201) of the box-shaped body (52, 152). 2. The device according to claim 1, characterized in that the box-shaped housing (52, 152) is flat and rectangular. 3. The device according to claim 1, characterized in that said fastening means comprise a vertical strut (86, 186) to which said casing (52, 152) is attached using fastening means (90, 190, 91, 191, 92, 192 , 93, 193; 94, 194). 4. The device according to claim 3, characterized in that said vertical strut (86, 186) is box-shaped and contains a core (87, 187) and a reinforcing perimeter edge (88, 188). 5. The device according to claim 3, characterized in that said housing (52, 152) is mounted on said vertical strut (86, 186) in an eccentric position with the formation of two levers (B1 and B2), respectively, longer and shorter located, respectively, below and above the specified building (52, 152). 6. The device according to claim 3, characterized in that the said fastening means comprise, in combination: a box-shaped holding tooth (90, 190) protruding in accordance with the edge of the housing (52, 152) above the hook (60, 160), wherein the tooth (90, 190) limits the gap (91, 191) in the specified housing (52, 152); a fixing pin (92, 192) protruding in accordance with the edge of the housing (52, 152) under the hook (60, 160); and an opening (89, 189) made in the core (87, 187) of the upright (86, 186); moreover, the housing (52, 152) is attached to the specified hole (89, 189) by connecting the specified slot (91, 191) with the specified core (87, 187), and the specified pin (92, 192) with the hole (93, 193) itself core (87, 187), with the pin (92, 192) riveted (94, 194) in the specified hole. 7. The device according to claim 4, characterized in that the core (87, 187) of the specified vertical strut (86, 186) has holes (98, 198) for passing the mounting screws (97, 197), designed to mount the wall cabinet holder to the specified element (51, 151) of the piece of furniture (M). 8. The device according to claim 1, characterized in that said height adjustment mechanism (57) comprises a screw (63), which is configured to screw into a nut (64), made as a unit with the lever (55). 9. The device according to claim 8, characterized in that said screw (63) comprises a head (65) rotatably located inside the corresponding seat (66) of the halves (53, 54) of the housing (52), and the end of the screw (63) ), opposite the head (65), with the possibility of rotation is located in the seat (67) of the same halves (53, 54) of the housing. 10. The device according to claim 9, characterized in that in the head (65) of the screw (63) there is a seat (68) for manipulating the tool (C) passing through the hole (69) in the housing (52). 11. The device according to claim 1, characterized in that said height adjustment mechanism (157) is located inside said vertical mounting post (186). 12. The device according to claim 11, characterized in that said height adjustment mechanism (157) comprises a screw (163), which is made with the possibility of screwing onto a nut (164), made as a unit with the lever (155). 13. The device according to claim 12, characterized in that said screw (163) comprises a head (165) rotatably located inside the corresponding seat (166) of the halves (153, 154) of the housing (152), and the end of said screw ( 163), opposite the head (165), with the possibility of rotation is placed in the seat (167) of the same halves (153, 154) of the housing. 14. The device according to p. 13, characterized in that in the head (165) of the screw (163) there is a seat (168) for manipulating the tool (C) passing through the hole (103) located on the edge (188) of the mounting vertical rack (186). 15. The device according to claim 1, characterized in that the mechanism (58, 158) for adjusting the depth of the lever (55, 155) contains a screw (70, 170), which is made with the possibility of screwing through the threaded hole (71, 171) in the pin ( 56, 156), on which the lever itself rotates (55, 155). 16. The device according to p. 15, characterized in that the movement of the specified screw (70, 170) is blocked at the front end by a support (72, 172), and at the rear end by a support (73, 173), on which the same screw (70, 170). 17. The device according to p. 16, characterized in that the front end of the screw (70, 170) is rotatably placed inside the seat (74, 174) of the support (72, 172), while the head (75, 175) at the opposite end contains a gear head (76, 176), with which a gear wheel (77, 177) interacts, which is mounted rotatably on a pin (78, 178), whose rotary axis is perpendicular to the rotary axis of the screw (70, 170), and said gear (77, 177) and the pin (78, 178) are located inside the corresponding screw (79, 179) of the housing (52, 152). 18. The device according to 17, characterized in that in the gear wheel (77, 177) there is a seat (80, 180) for manipulating the tool (C) passing through the hole (81, 181) of the housing (52, 152). 19. The device according to p. 16 or 17, characterized in that in accordance with the specified gear head (76, 176), the screw (70, 170) is rotatably supported inside the slit (82, 182) of the support (73, 173), which , in turn, is tightly inserted inside the seat (83, 183), formed as a result of the connection of two halves (53, 54, 153, 154) of the body. 20. The device according to claim 1, characterized in that the said mechanisms (57, 58, 157, 158) are located inside the corresponding seat (84, 184) formed by connecting the two halves (53, 54, 153, 154) of the case .

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