WO1994003951A1 - Switches and taps housing box with cover - Google Patents
Switches and taps housing box with cover Download PDFInfo
- Publication number
- WO1994003951A1 WO1994003951A1 PCT/IT1993/000086 IT9300086W WO9403951A1 WO 1994003951 A1 WO1994003951 A1 WO 1994003951A1 IT 9300086 W IT9300086 W IT 9300086W WO 9403951 A1 WO9403951 A1 WO 9403951A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- box
- cover
- switches
- teeth
- taps
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims abstract 3
- 229910001369 Brass Inorganic materials 0.000 claims description 2
- 239000010951 brass Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- 239000011505 plaster Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 208000034953 Twin anemia-polycythemia sequence Diseases 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011426 gypsum mortar Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/06—Boards, panels, desks; Parts thereof or accessories therefor having associated enclosures, e.g. for preventing access to live parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/14—Fastening of cover or lid to box
Definitions
- the cover (3) consists of a rectangular, plastic molded plate, whose dimensions exactly fit the internal of the box mouthpiece (1).
- the flange will remain submersed under the plaster layer, whose outer surface will line up the sides of the said mouthpiece.
Abstract
The present invention regards a box to be embedded for the housing of switches and current taps, provided with a cover consisting of a plastic rectangular plate suitable for fitting exactly inside the box mouthpiece. Said cover has two couples of crooked teeth, obtained while molding and overhanging from its internal face in such a position to allow the hooking of the wings to the metal inserts where the terminal strip is screwed.
Description
DESCRIPTION
SWITCHES AND TAPS HOUSING BOX WITH COVER
Technical field
The present application for a patent concerns a box to be embedded into the wall that houses switches and current taps and which is equipped with a cover.
Background Art
As everybody knows, switches and wall-tipe taps are always assembled inside an usually molded tank, which has to be previously embedded and fastened to the wall.
These tanks are usually parallelepipedes and their sidewalls are provided with one or more sectors of reduced thickness. The sectors can be easily pierced to obtain suitable holes where the trailing section of the hoses con- taing electric cables can be passed through.
In order to appreciate the advantages of our box.it is deemed it necessary to mention the modalities of installation of switches and taps to be embedded.
First of all the wall is dug by using stone chisel and hammer, in order to obtain some cavities corresponding to the already chosen points for the dislocation for every room. Next these cavities are interconnected by executing some chases in the wall, using stone chisel and hammer or some special milling machine, called jig borer. When the above mentioned operations are finished, the installation continues with the laying of the boxes correspondent to the cavities and the hoses along the
chases; are temporarily immobilized into their respective housing by using gypsum mortar. The operation of assembling switches and taps inside boxes and of threading electric cables through hoses, are executed when all the walls have already been plastered and sometimes even white washed.
The most frequent disadvantage an electrician has to face when assembling switches and taps is that the respective housing boxes are stained and inner encrusted by the parging spray and the necessary cleaning, takes time.
At the present, bricklayers are accustomed to stuff boxes with paper in order to prevent plaster from entering inside and consolidating. Even if these paper paddings can partially stopper, they are no remedy for another incon- venience that happens mostly when plastering is executed by special plaster sprayers, instead of being carried out by hand.
In such a case, it often happens that the box is completely submersed under the superficial layer of plastering, which is automatically sprayed from the machine to the whole wall. When this inconvenience occurs, the box is no lon¬ ger visible and to find it causes a certain loss of time; the box research usually consists in knocking gently with hammer on the zone where the box is thought to be, the knocking is repeated until the wall sounds void because of the presence of paper under plaster layer instead of bricks.
Disclousure of invention
The purpose of the present invention is to make up above mentioned inconveniences. This purpose is attained thanks to the cover that our box is provided with; the cover infact pads frontally and protects the inner room of the box from the moment of the embedding up to the moment of the electrical system laying. On its internal face, the cover has two couples of flexible crooked teeth that are able to hook two metal strips with an elastic release, these strips are placed at the transversal sides of the box mouthpiece and they are meant to support the terminal board which wires will be connected to.
The foresaid cover can be easily removed by exerting a traction strong enough to spread teeth elastically.
Moreover, the cover is inside the mouthpiece and lined up it; the box is embedded into the wall so that its edges protrude for a tract as long as the thickness of the layer of plaster the wall is to be covered with. Once the wall has been plastered, the cover will be perfectly coplanar to the plaster surface and it will run no risk of being submersed and becoming invisible because of the plaster sprayed by the spraying machine.
Brief description of drawings
From now on the description of our invention refers to the included drawings that have illustrative value:
- fig. 1 shows an axonometric representation of the box with the "cover lifted;
- fig. 2 is a cross section of the box with a transversal
plane passing by one of the crookd teeth couple;
- fig. 3 is a cross section of the box with the longitudinal midplane.
Making reference to these figures, the model consists of an open box (1); substantially it has the shape of a parallelepiped with the four sides slightly slanting towards the external. The box is a plastic molded enbloc. A metal insert (2) is applied at the centre of the shortest opposed sides (la). The insert consists of a brass lamination, bent so that it shows a profile resembling an upside-down "L". In this way its horizontal wing (2a) is placed at the box mouthpiece (1), turned towards the internal.
The cover (3) consists of a rectangular, plastic molded plate, whose dimensions exactly fit the internal of the box mouthpiece (1).
At the centre of the short sides of this cover two couples of crooked teeth are obtained, while molding-, said teeth overhang from the internal face in order to be able to hook the wings below (2a). Both wings are provided with a central hole (2) where the . clamping screw of the terminal board to the box is to be screwed. The clasping of the cover to the wings is obtained by a simple pressure and likewise the relative unhooking can be determined by forcing, with the help of a screw- driver passed trough one of the slots (3a). These slots are purposely obtained transversally on the cover (3) at the centre of each couple of teeth (4).
As illustrated in fig. 2 and fig.3, the cover (3)
has such dimensions as to fit exactly the box mouthpiece, once the cover has been hooked to the metal insert (2). The mouthpiece is equipped with an external flange (lb).
The flange will remain submersed under the plaster layer, whose outer surface will line up the sides of the said mouthpiece.
Claims
1) A box to be embedded into the wall for the housing of switches and current taps, equipped with a cover comprising an open box (1) whose shape substantially is a paralleliped, said box being provided with an external annular flange (lb) and, at the centre of its opposed transversal sides (la) with a metal insert (2), insert consisting of a brass lamination bent so that it assumes an upside-down "L" profile, said box characterizing for being equipped with a cover (3) consisting of a plastic molded rectangular plate whose dimensions fit exactly the inner part of the box mouthpiece (1), said cover having, near its transversal sides, two couples of crooked teeth (4), teeth obtained while molding and overhanging from its internal face in order to be able to hook the wings (2a) of the metal insert
(2).
2) The box to be embedded into the wall for the housing of switches and current taps of the claim 1, characterized by the cover (3) presenting two transversal through slots, said slots being obtained while molding out the centre of each couple of teeth.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT92MC000019U IT228819Y1 (en) | 1992-08-04 | 1992-08-04 | WALL-MOUNTED BOX FOR THE HOUSING OF ELECTRIC SWITCHES AND POWER OUTLETS |
ITMC92U000019 | 1992-08-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994003951A1 true WO1994003951A1 (en) | 1994-02-17 |
Family
ID=11356588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IT1993/000086 WO1994003951A1 (en) | 1992-08-04 | 1993-08-02 | Switches and taps housing box with cover |
Country Status (2)
Country | Link |
---|---|
IT (1) | IT228819Y1 (en) |
WO (1) | WO1994003951A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999035726A1 (en) * | 1998-01-12 | 1999-07-15 | Gewiss S.P.A. | Improved wall-mounting enclosure for electrical components |
WO2001021908A1 (en) * | 1999-09-22 | 2001-03-29 | John David Tilbury Burgess | Method and apparatus for installing a fitting |
GB2390760A (en) * | 2002-05-21 | 2004-01-14 | Graham Ian Ash | Protective lid for an electrical back box |
GB2455376B (en) * | 2007-11-29 | 2010-08-18 | Antoni Pobiarzyn | Cover for socket points |
GB2616278A (en) * | 2022-03-02 | 2023-09-06 | Continental Automotive Tech Gmbh | An assembly suitable for facilitating mounting, and an apparatus in association thereto |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3015409A (en) * | 1960-09-06 | 1962-01-02 | Cfc Corp | Outlet box cover |
FR1369290A (en) * | 1962-09-18 | 1964-08-07 | Busch Jaeger Duerener Metall | Recessed installation device with cover |
US3601276A (en) * | 1969-11-26 | 1971-08-24 | Edward R Culpepper | Protective cover for electrical receptacle boxes |
DE8914562U1 (en) * | 1988-12-13 | 1990-01-25 | Legrand, Limoges, Fr | |
GB2230291A (en) * | 1989-04-14 | 1990-10-17 | Roger David * Boulton | Cover for electrical accessory box during plastering |
-
1992
- 1992-08-04 IT IT92MC000019U patent/IT228819Y1/en active IP Right Grant
-
1993
- 1993-08-02 WO PCT/IT1993/000086 patent/WO1994003951A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3015409A (en) * | 1960-09-06 | 1962-01-02 | Cfc Corp | Outlet box cover |
FR1369290A (en) * | 1962-09-18 | 1964-08-07 | Busch Jaeger Duerener Metall | Recessed installation device with cover |
US3601276A (en) * | 1969-11-26 | 1971-08-24 | Edward R Culpepper | Protective cover for electrical receptacle boxes |
DE8914562U1 (en) * | 1988-12-13 | 1990-01-25 | Legrand, Limoges, Fr | |
GB2230291A (en) * | 1989-04-14 | 1990-10-17 | Roger David * Boulton | Cover for electrical accessory box during plastering |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999035726A1 (en) * | 1998-01-12 | 1999-07-15 | Gewiss S.P.A. | Improved wall-mounting enclosure for electrical components |
WO2001021908A1 (en) * | 1999-09-22 | 2001-03-29 | John David Tilbury Burgess | Method and apparatus for installing a fitting |
US6931794B1 (en) | 1999-09-22 | 2005-08-23 | John David Tilbury Burgess | Method and apparatus for installing fitting |
GB2390760A (en) * | 2002-05-21 | 2004-01-14 | Graham Ian Ash | Protective lid for an electrical back box |
GB2455376B (en) * | 2007-11-29 | 2010-08-18 | Antoni Pobiarzyn | Cover for socket points |
GB2616278A (en) * | 2022-03-02 | 2023-09-06 | Continental Automotive Tech Gmbh | An assembly suitable for facilitating mounting, and an apparatus in association thereto |
Also Published As
Publication number | Publication date |
---|---|
ITMC920019V0 (en) | 1992-08-04 |
IT228819Y1 (en) | 1998-05-28 |
ITMC920019U1 (en) | 1994-02-04 |
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