Abstract: A bracket device for mounting electrical devices in the interior of hollow partitions having a front wall and a back wall with a hollow space therebetween typically comprising: (i) a base capable of being fixedly attached to the floor; (ii) a riser extending upwardly from the base; and (iii) an annular plate having front and rear faces attached to the upper portion of the riser and having an opening therethrough sufficiently large to receive an electrical device accessible from the exterior side of the front wall, the annular plate also having means such as mounting holes for attaching a cover ring to its front face and a junction box to its rear face. Preferably, the device also includes (iv) a stabilizing arm extending rearwardly from the annular plate, the arm being sufficiently long to extend to the rear wall of the partition. The stabilizing arm can be attached either to an upper segment or a lower segment of the annular plate.

Abstract: A hanger assembly comprising a pair of elongate rails is supported by the top surface of a pair of boards in a truss which supports a ceiling. The hanger assembly includes a pair of rails which define a vertical slot therebetween. A clip mounted on the rail assembly is slidable along the length thereof and supports a vertical threaded rod. A junction box is mounted on the lower end of the rod with the lowermost portion of the rod extending below the level of the ceiling. A light fixture is mounted on the lowermost portion of the rod. In another embodiment, a cup suspended on the lowermost portion of the rod supports a screen which covers a hole in the ceiling. Plaster is applied over the screen and cup to patch the ceiling.

Abstract: Apparatus for securely and easily mounting an electrical fixture such as a ceiling fan or overhead lighting fixture from a suspended ceiling or standard drywall ceiling and having a support assembly including a ceiling engagement portion, a load supporting portion and an electrical connecting portion. In an embodiment for use with a suspended ceiling, the three portions are integrally formed from a single plate with the ceiling engagement portion formed of four sets of tabs for engaging intersecting suspension grid members; the load supporting portion formed of at least one tab and cable to attach the plate to a ceiling load bearing member, such as a joist; and the electrical connecting portion formed of a housing within which electrical connections may be made. In an embodiment for standard drywall ceiling use, the support assembly is formed in two subassemblies, the first of which is in the form of a plate having an opening and tabs for engagement with the drywall to provide a nesting ring.

Abstract: The bar includes two, elongate, rigid members connected together at one end of the bar by a pin and slot connection, and at the opposite end of the bar by a pivotal link, which supports one member for pivotal and translational movement relative to the other member between a retracted position in which the members and link are inclined to each other, and an extended position in which the two members and link are disposed in overlapping, parallel relation. At opposite ends of the bar the two members have pointed ends which are advanced one relative to the other to become imbedded in the confronting surfaces of a pair of adjacent ceiling joists, when the link is swung in a direction to advance the one member relative to the other. A bolt which extends between the two members can be employed to draw the one member into its advanced position relative to the other.

Abstract: The invention constitutes to a modular electrical connector box mounting system particularly adapted for securable, re-positionable, suspension upon a roof-like structure, for use in conjunction with other suspended equipment, such as air conditioning equipment, which is suspended upon a I-beam and a related truss structure.

Abstract: An electrical box is formed with an elongated channel in its back surface and brackets straddling the channel. The elongated U-shaped part of a hanger bar is inserted through the brackets and in the channel and is retained by a transverse rib which frictionally engages the hanger bar. Nail-receiving ears are provided on the sides of the box.

Abstract: A pin and sleeve receptacle is mountable in a wall box recessed in a wall opening of a building with wires extending into the box from an in-wall wiring passage. The receptacle has a tubular electrically non-conductive shell closed at one end, the other end being open and a flange with fastener openings at the open end of the shell. A cylindrical inner body has an outer diameter smaller than the first inner diameter, the inner body having female connector sleeves for receiving electrically conductive pins of a mating plug. The inner body is mounted within the shell with an annular gap surrounding the inner body for receiving the shroud of the pin-and-sleeve plug. The opening at one end face the same direction as the open end of the shell to receive the pins of the plug. Apertures in the shell admit wires from the box for connection to the electrically conductive female connectors.

Abstract: An expansible load-bearing junction box hanger assembly adapted for installation from beneath the ceiling and through a junction box opening in the ceiling, includes a pair of walls having a plurality of spike protrusions to engage two spaced adjoining ceiling joists and an elongated linearly expanding brace device which is aligned with and connected between the walls. The brace device expands from a short to a longer length to force each of the walls to contact and engage their respective ceiling joists. Each wall is provided with a receiving groove adjacent to the spike protrusions. The hanger assembly further includes an alarm device, a battery cell, and a contact switch disposed in each receiving groove and actuated when the walls engage their respective ceiling joists. The contact switches electrically connect the alarm device to the battery cell to operate the alarm device when actuated, thereby indicating that the hanger assembly has fully engaged the ceiling joists.

Abstract: A suspended ceiling electrical bracket for installation in a grid type suspended ceiling to provide a means for mounting one or more rectangular junction boxes (24) or mounting a single octagonal junction box (48), to which can be installed in such boxes, electrical devices such as electrical outlets, security cameras, emergency lighting, exit signs, and ceiling fans. The invention comprises of a flat rectangular shaped base (10) and upwardly bent lip (12) made of rigid sheet metal which replaces a portion of ceiling tile (28) and is adapted to overlap and mount flush against three adjoining grid elements (26), while allowing three u-shaped hooks (14, 16, and 18) to fit over and be secured to the vertical flanges of the respective grid elements (26). Holes (12A and 12B) are made in the lip (12) and top portion of two hooks (16 and 18), to allows the attachment of cable or chain to the building's structural members that reside above a suspended ceiling.

Abstract: A bracket for mounting an electrical switchbox or the like on a metal stud of generally channel shape having a web at one side constituting a closed side. The stud has a front and rear flange which define an open side of the stud between them. The bracket includes a bracket plate having a front end and a rear end and a flap generally adjacent the front edge of the bracket plate for attaching the bracket to the front flange of the wall stud in a position in which the bracket plate extends rearwardly adjacent one side of the wall stud. Track members generally adjacent the front end of the bracket plate hold an electrical switchbox or the like in fixed position relative to the bracket plate with one side of the box generally adjacent the bracket plate and with an open front of the switchbox facing forwardly.

Abstract: A bracket for mounting electrical boxes to channel-shaped metal wall studs having open and closed sides. The bracket has opposed stud gripping elements that enable the bracket to be mounted to studs of different sizes, and to either the open or closed side of the stud.

Abstract: A mounting frame facilitates the installation of ganged electrical devices into a single switchbox. The frame is a rectangular plate with a rectangular opening and provides a rigid support for the devices. Support is needed when the wall on which devices are to be mounted is not planar or when the switchbox is not properly mounted into the wall. The frame can also include markings that help to align the devices to permit a multigang faceplate to snap onto the devices. An alignment frame provides markings to help align the devices, without also providing a rigid support.

Abstract: A hanger assembly for attachment to a construction member or other commerically available ceiling fan support. The hanger assembly has an electrical box and a pair of support rods. The electrical box is a standard electrical box which has been modified by adding a pair of holes in the back thereof, each of the holes being in axial alignment with the respective threaded hole of the corresponding electrical box ear. Each of the support rods has a first threaded end section, a second threaded end section, a smooth section adjacent to the first threaded end section and a spline section intermediate the second threaded end section and the smooth section. The respective support rod is secured to the back of the electrical box after the first threaded end section is inserted into the corresponding back hole. The spline section of the respective support rod is in frictional engagement with the corresponding threaded ear hole.

Abstract: A universal support market for attachment to the back of an electrical box, supports the box in a hollow wall structure. The support bracket at the back of the box provides a more rigid mounting to support the box when an electrical plug is pushed into or pulled from an outlet. The bracket comprises an elongate strip of sheet material, one end of the strip having a first flange extending substantially perpendicular to the elongate strip, and having attachment means therein for connection to the back of an electrical box, and a second flange at the other end of the strip, substantially parallel to the first flange, extending freom the other side of the strip to rest on the inside surface of a wall board, and at least one scored bend line across the strip such that a portion of the strip may be bent in the same direction as the second flange, and substantially parallel thereto to accommodate a different depth of electrical box and a different depth of wall structure.

Abstract: A clip for mounting an object such as an electrical box on a metal stud of generally channel shape having a web and a pair of generally parallel flanges. The clip includes a first clip part engageable with the stud for securement of the clip to the stud. The first pair has a relatively flat leg. A second clip part holds the object and has a relatively flat leg extending in generally parallel face-to-face relation with the leg of the first clip part. The leg of the second clip part is slidable relative to the leg of the first clip part lengthwise of the leg of the first clip part for adjusting the position of the object being held by the second clip part relative to the stud. Flanges define a guideway for maintaining the leg of the second clip part in longitudinal alignment with the leg of the first clip part as the leg of the second clip part is slidably adjusted relative to the leg of the first clip part.

Abstract: A support for an electrical box, comprising a bar to be mounted between two spaced-apart wall studs or the like. The bar comprises an elongate web of sheet metal forming a front face of the bar and having side edges extending lengthwise of the bar, a pair of flanges extending rearwardly from the side edges of the web, and a forwardly-opening channel formed in the web running substantially the full length of the web between the side edges of the web.

Abstract: A mounting bracket for connection to a wall stud between a pair of wall panels is adapted to mount a variety of electrical junction, outlet and switch boxes. When mounted the bracket is a cantilever which is stabilized against deleterious forces by a pair of side-mounted support legs for engaging an opposed wall panel.

Abstract: A bracket adapted for mounting an electrical box on a wall stud having a front face, a rear face and opposite sides. The bracket comprises a bracket plate having a front end, a rear end and a length not substantially less than the depth of the wall stud in front-to-rear direction. Ears adjacent the front end of the bracket plate are provided for attaching the bracket to the front face of the wall stud in a position in which the bracket plate extends rearwardly across one side of the wall stud from a position generally adjacent the front face of the wall stud to a position generally adjacent the rear face of the wall stud. The bracket includes tongues for affixing an electrical box to the bracket in a position wherein one side of the box is engageable with the bracket plate with the box extending in cantilever fashion laterally outwardly from the bracket plate away from the wall stud.

Abstract: A slotted support clamp for attaching electrical junction boxes and electrical device boxes rigidly and securely to pipes, comprising a pair of complementary clamping flexible pipe straps which engage securely around a pipe by means of screws and nuts. A device mounting bracket extending outwardly from said pipe straps in the plane parallel to the said pipe surface, with a series of slots and screw guides which provide the means of quickly, easily attaching said electrical box to clamp requiring only screws and nuts for attachment.

Abstract: An interjoist hanger assembly for supporting items to be hung is formed of a pair of elongated tubular sleeves interfitting telescopically slidable one within the other. Supported at the distal end of each of the sleeves is an axial screw and a floating collar having circumferentially distributed axially extending prongs or teeth. The sleeves effect an interlock when collapsed whereby they can be rotated in unison for threading one end into an adjacent joist. When the sleeves are expanded, the opposite sleeve end can be similarly threaded into the opposite joist. With each threaded attachment, the prongs of the surrounding collar are drawn into a gripping engagement with the joist surface thereat.A saddle secured snap fit onto the outer sleeve includes side flanges to which an electrical outlet box can be mounted for attachment of an item to be hung.

Abstract: A support and stabilizing apparatus for an electrical outlet box, such as a conventional electrical outlet box having a plurality of side walls and a back wall defining a chamber with an open front and having an access bore formed through at least one of the walls. The support and stabilizing apparatus comprises a stud apparatus having a shaft with forward and rearward opposed ends and generally cylindrical forward and rearward abutment plates secured to the shaft in predetermined spaced apart relationship. The rearward plate is disposed at the rearward end of the shaft, and the forward plate is disposed near and spaced inwardly from the forward end of the shaft so as to create a mounting segment between the forward plate and the forward end of the shaft. A flexible retainer is provided for supporting the mounting segment, to grippingly engage that portion of the mounting segment which projects into the outlet box chamber.

Abstract: A support structure for an electrical box includes an elongated support member which is fastened into a hole in the rear wall of the box, the depth of insertion being determined by a stop flange. The length of the support member can be adjusted to approximately match the distance between the rear wall of the box and the inner surface of a sheet of wall material behind the rear wall by breaking off portions of the support member at one of a plurality of weakened regions formed by a uniform sequence of annular recesses. The support, thus installed, limits motion of the unmounted end of the box.

Abstract: A ceiling box for mounting and supporting a ceiling fan thereto. The ceiling box includes a top wall portion with a side wall portion surrounding the periphery of the top wall portion. The box is open at the end opposite the top wall portion and the side wall portion has a pair of flanges extending normal thereto into the open end of the box. These flanges have holes therein for receiving fan supporting screws. In a first embodiment, a pair of threaded mounting screw holes are formed in the top wall portion and are each axially aligned with an unthreaded hole that extends through the respective flange. In a second embodiment, the holes in the flanges are also threaded for added support.

Abstract: A fixture for securing an electrical connector, such as an outlet plate, includes a flat rectangular portion and elongated legs that can be fabricated during a single manufacturing step. The flat rectangular portion has a central opening with parallel sides at which the legs are bent. The legs of one side are staggered with respect to the legs of the other side. During installation the central rectangular opening is used as a template for marking where an opening is to be cut in a wall, and then the legs are inserted into the wall opening and bent outward to secure the opening to the wall. The connector element is then screwed to the flat rectangular portion of the fixture.