Housing for electric transformer
AssigneeA. J. Giammanco & Associates, Inc.
InventorAngelo J. Giammanco
Life of this patent
Estimating the term…
Abstract
A box structure of a top, a back, a bottom, and two sides welded together to form an open front structure, and a two-piece front cover detachably attachable thereto; an interior horizontal wall welded in place to divide the interior space into a larger upper compartment to house the transformer, and a smaller lower compartment to house the wires connecting the transformer to a cable which has access to the lower compartment through a knock-out stamping in the bottom; two hanger strips attached to the top and the bottom, respectively, for attaching the box to a support; all of the seams for connecting the top and the bottom to the sides, the back, and the front cover being oriented such that water dripping over the outside of the box will be directed away from flowing to the inside of the box.
Claims33
An electrical transformer box comprising a rectangular structure totally enclosing an internal rectangular prismoidal space, said structure comprising a vertical rear wall, two vertical side walls, a vertical front wall, a horizontal top wall, and a horizontal bottom wall enclosing said internal space;
- said internal space being divided into one large and two small rectangular prismoidal compartments by an internal horizontal wall parallel to said top and said bottom walls and attached to said vertical side walls and said vertical rear wall, and an internal vertical wall perpendicular to and attached to said internal horizontal wall and said horizontal bottom wall;
- said horizontal top wall having four vertical flanges overlapping and bent downwardly to engage said four vertical walls adjacent said top wall and to be rigidly affixed thereto;
- said top wall having a vertical hang strip extending upwardly from said flange adjacent said rear wall and having means for hanging said box therefrom;
- said front wall being divided into an upper and a lower partial front wall which interleave with each other along respective joining edges adjacent said internal horizontal wall, said upper partial front wall being attachable to said vertical sidewalls by removable fastening means, said lower partial front wall having a horizontal tab extending rearwardly below said bottom wall and being attachable to said bottom wall by removable fastening means;
- each of said vertical side walls and said bottom wall having a knock-out opening into the adjacent one of said small rectangular prismoidal internal spaces to provide access for an electric conduit.
An electric transformer container box in the form of a rectangular prismoidal structure of a horizontal top wall, a vertical rear wall, a horizontal bottom wall and two vertical side walls welded together to form a box with an open front and with a downwardly extending flange from the four edges of said top wall adapted to contact and join the adjacent portions of said vertical walls, an internal horizontal wall welded to said vertical side walls and to said vertical rear wall dividing the internal space into an upper and a lower portion with said upper portion having about twice the volume of said lower portion;
- said lower portion being subdivided into two approximately equally sized spaces by an internal vertical wall welded perpendicular to said internal horizontal wall and to said bottom wall;
- a vertical front wall sized to close said open front and being divided into an upper and a lower partial front wall which are separable and joinable as desired;
- said upper partial front wall having an upper edge which joins said top wall by sliding under said flange, having a lower edge which is flared outwardly to form a pocket, and having its two side edges bent so as to overlap an edge portion of said vertical side walls, said lower partial front wall having an upper edge which is slidable into said pocket, having a lower edge from which extends a horizontal tab to overlap a portion of said bottom wall, and having its two side edges bent so as to overlap an edge portion of said vertical side walls, aligned passageways through said bent edges of said upper partial front wall and said vertical side walls to receive fastened therethrough for rigidly attaching said upper partial front wall to said box, and an aligned passageway through said tab and said bottom wall to receive a fastener therethrough for rigidly attaching said lower partial front wall to said box, a first vertical support strip rigidly attached to said top wall and having at least one passageway therethrough to receive a supporting fastener;
- and a second vertical support strip rigidly attached to said bottom wall and having at least one passageway therethrough to receive a supporting fastener;
- said vertical side walls, and said bottom wall having a plurality of knock-out portions to receive electric cables therethrough, there being at least one knock-out portion to communicate each of said internal subdivisional spaces with the outside of said box through said bottom wall and through said respective vertical side wall.
A rectangular housing for an electric transformer comprising a top wall, a bottom wall, a back wall, and two side walls rigidly fastened to each other along edges of said walls to form an open front box structure, an upper front wall having a lower edge and being attached to said side walls and a detachable lower front cover having an upper edge and being attached to said box structure, said upper edge being oriented beneath said lower edge such that rain dripping downwardly over the outside of said housing will be directed away from the interior of said housing, the interior space of said structure being divided by a horizontal wall into a larger upper space to receive a transformer and a smaller lower space, and a pair of knock-out stampings in said bottom wall to admit electric conduits into said structure through said bottom wall for connection to transformer conduits therein.
An electrical transformer box comprising a main body portion including a vertical rear wall having vertical edges and a pair of opposed and spaced vertical side walls affixed along said vertical edges of said rear wall, a front wall upper portion substantially parallel to and spaced from said rear wall and being connected to each of said side walls, a rectangular top wall having four interconnected vertical flanges forming a cap and being respectively positioned outwardly of and overlapping an upper edge of each said side and rear walls and front wall upper portion, a bottom wall affixed to said vertical side walls and said rear wall and having a pair of spaced knock-out openings to provide access for electric conduits, a front wall lower portion having a horizontal tab extending to and adjacent said bottom wall, selectively removable fastening means for connecting said tab to said bottom wall, said front wall upper portion having a lower edge, said lower portion having an upper edge, said upper edge of said lower portion being located rearwardly of and above said lower edge when said tab is connected to said bottom wall.
Dependencies are inferred from the claim text.