Abstract: A suspendable conduit bracket system includes a back bracket element defining, in transverse cross-section, an inner semicircle and an outer semicircle of greater radius than the inner semicircle, such semi-circles mutually integrally secured by ribbing elements, the inner semi-circle comprising a nesting element proportioned to the cross-sectional geometry of a conduit to be suspended. The bracket system further includes a radial portion protruding externally from the two semi-circles of the back element, passing through both of the semicircles, and having an element for selectable lockable engagement with a solid rectangular channel, a threaded radial channel extending through substantially the entire radial length of such channel, and proximally to the intersection of the radial portion with the back element, a rigid insert having a deformable aperture is secured transversely to the threaded channel.

Abstract: A mounting device for a ceiling fan includes a plate having a protrusion formed in a middle portion and having a pair of flanges oppositely formed beside the protrusion, a notch formed between the protrusion and each of the flanges, a panel including a pair of flaps engaged through the notches of the plate and arranged such that the flaps are located above and supported by the flanges, and a pad engaged between each of the flaps and the respective flanges of the plate. The panel can thus be solidly coupled to the plate.

Abstract: The invention provides a device for use in association with fabric structures. The device comprises a member for sealing engagement with the fabric structure. The member has an inner rigid portion and an outer flexible portion, contiguous to said inner rigid portion. The flange may be affixed to the fabric of the structure, so as not to shift relative to the fabric, by bonding the outer flexible portion of the flange to the fabric of the structure. Mountable to the inner rigid portion is means for supporting a suspended object. The means for supporting a suspended object is adapted to be sealed, that is, it may be made water-tight.

Abstract: Corner protector structure is mounted within each ceiling panel to provide for enhanced strength, durability, and appeal of a drop ceiling construction. The corner protectors in association with the ceiling panels are formed with a top wall spaced from and parallel a bottom wall to complementarily receive a ceiling panel therebetween, with reinforcing leg structure projecting beyond the top wall for reinforcement and enhanced appeal of the organization. A modification of the invention includes a fan assembly rotatably mounted medially of the reinforcing leg structure to enhance air distribution within a room containing the organization.

Abstract: A chandelier frame made from rings and spokes is provided. The rings are adapted for supporting ornaments, and the spokes are attached to the rings for supporting the rings, preferably coaxially. The rings and spokes are attached to one another by interengaging locking means which mechanically and detachably secure the rings and spokes to one another. The rings and spokes may be formed entirely from nonstressed metal, and most preferably are cut from flat sheet metal.

Abstract: A telescoping support bracket for providing convenient installation of wall mounted speakers and the like comprises a body attachable to an architectural structure such as a wall or ceiling and a telescoping member slidably movable relative to the body to which a bezel may be attached. The bezel is configured to receive and attach the desired component. Movement of the telescoping member relative to the body provides depth adjustment to compensate for varying wall covering thickness such that a desired surface of the component may be mounted flush with the outside surface of the architectural structure. Thus, a speaker, for example, may be quickly mounted with the grill flush to the outside surface of a wall. The telescoping mount bracket of the present invention thereby eliminates the need to perform a custom installation wherein custom brackets and/or other fixtures must typically be fabricated.

Abstract: The invention provides a support for hanging an electrical fixture to a ceiling or wall and a method for suspending the fixture. The support comprises a novel panel which is intended to be affixed to the grid work of a house and a support affixed to the panel which holds the electrical fixture. A slot is provided on the rear of the panel to hold the panel flush against a flat surface by carry therein wiring.

Abstract: A downcomer shaped as a channel is attached to a four-sided stud welded to a supporting surface. The central web of the downcomer engages one side of the stud and its side flanges are spaced from two additional sides of the stud. A U-shaped member overlies the remaining side of the stud, with side flanges of the U-shaped member positioned in the spaces between the side flanges of the downcomer and the adjacent sides of the stud. Fasteners hold the assembly together.

Abstract: A ceiling fan assembly wherein an upper ceiling ball attachable to a ceiling structure, a vertical shaft and a continuous cylindrical housing, which are both easily replaced with parts which are longer or shorter than the original parts so as to allow easy adjustment of the ceiling fan assembly's height, and which hang vertically from the upper ceiling ball so as to structurally support the ceiling fan assembly, wherein the top portion of the vertical shaft rests on a cushioning material within the upper ceiling ball so that the ceiling fan assembly can accommodate moderate ceiling structure angles, an electric fan drive motor located in a cylindrical enclosure beneath the cylindrical housing, a motor rotor assembly with a means for attaching fan blades which is located beneath the cylindrical motor enclosure, and, optionally, a partially hemispherical-shaped unit which may be located beneath the motor rotor assembly, wherein this unit may contain a light are present.

Abstract: An extensible hanger support is provided for use in providing a spanning connection between two spaced apart joints or the like for supporting therefrom such items as ceiling fans, light fixtures and the like. The support includes first and second extensible members which are telescopically axially movable between a fully collapsed condition and a fully extended condition. These extensible members employ cooperative means which are normally in threaded engagement in such a manner that rotation of one of the members relative to the other results in axial movement toward either the fully collapsed condition or the fully extended condition depending upon the direction of rotation. Each of these extensible members has a free end which carries joist engaging means for respectively engaging a ceiling joist.

Abstract: A mounting system which comprises a mounting panel and mounting assembly secured thereto utilizes mounting panels having slots of a particular configuration. The slots have a flat rear wall, an arcuate shaped front wall which is bisected to form an entrance means to the exterior surface. A mounting assembly has an arcuate based clamping member complementary to the arcuate configuration of the front wall of the pocket portion of said slot. This arcuate shaped clamping member has a threaded hole in the center portion of said clamping member for provision of a threaded stud which is fitted into said threaded hole through the entrance means and which engages with the rear wall of the pocket. Turning of the threaded stud selectively moves the clamping member in and out of engagement with the front wall of said pocket. This then allows for provision of large diameter studs utilized as a mounting member for lighting fixtures throughout the industry or for smaller threaded members for other uses.

Abstract: A speaker moounting assembly wherein the speaker is supported on a ceiling or wall construction. The baffle associated with the speaker includes a grille face exposed on the exterior of the ceiling or wall and an opposed interior face. Brackets are supported on the interior face, and frame clips are connected to the brackets. These clips include an inwardly extending portion which provides for the attachment of a hairpin spring. A ring is located in spaced relationship with the interior face of the baffle, and openings are defined by the ring for receiving each hairpin spring. In particular, the hairpin spring includes spring arms adapted to engage opposite side edges of the ring openings with the arms being urged apart for thereby urging the baffle toward the ring. The baffle is adapted to be pulled away from the ring in opposition to the action of the spring arms for permitting access to the speaker.

Abstract: A medical supply unit with a height-adjustable connection head, e.g., in the form of a ceiling-mounted supply unit or ceiling lamp, is able to receive a working device, e.g., an anesthesiological apparatus, while ensuring reliable coupling for this purpose, so that the user will be able to perform a procedure reliably, with the working device being correctly connected. This is made possible by a coupling part 34 equipped with guide faces 35, with which a receiving part 14 engages, which is provided with complementarily extending receiving jaws 15 and which actuates--in the case of correctly fitting engagement--electrical contacts 18, such that the control elements 10 provided on a control panel 9 for height adjustment of the connection head 1 and/or for supplying the working device 30 with the media needed for operation are released.

Abstract: Apparatus for mounting ceiling fans to cathedral ceilings with steep pitch angles connected between a ball-joint and the fan down rod. At the point where the apparatus interconnects with the ball-joint, the apparatus includes means for permitting the apparatus and ball-joint to pivot to a greater angle within the ceiling hanger, allowing a ceiling fan attached thereto to be vertically suspended from cathedral ceilings having steep pitch angles.

Abstract: A support is provided for attachment to a four-sided stud welded to a supporting surface. The support includes a tube carrying a lower member adapted to connect to an item to be supported. The upper end of the tube is collapsed and given a U-shaped configuration so that it can extend around a portion of the stud. Fasteners hold the upper end of the tube to the stud.

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: 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: A hanger for use in suspending articles from an overhead suspended ceiling in which the ceiling comprises beams and ceiling panels. The beams may be T-shaped supports or L-brackets. In one embodiment, the hanger has a horizontal portion which is supported by the beam and two vertical projections. One of the vertical projections engages the edge of the ceiling panels and the other receives the object which is to be suspended. An installation tool holds the hanger while lifting the ceiling panels up and away from the beams. After the hanger is placed in position on the beam, the ceiling panel is dropped in place and locks the hanger between the edge of the ceiling panel and the beam. In an alternate embodiment the hanger is provided with clips which engage the T-shaped beam when the hanger is rotated.

Abstract: A pipe to plate connection for attaching light stools to an overhead structure on ships. A stud gun welds a stud into a plate. The stud is threaded and is received into a cylindrical insert force fit into a length of pipe. The insert is threaded and receives the stud. The insert also has at least one external circumferential groove. Upon the cylindrical insert being force fit into the end of the pipe, the circumferential grooves are covered by the pipe. The pipe is swaged into the grooves of the insert. A tensile force between the pipe and the plate may be formed by a spring washer between the pipe and the overhead. The insert may have the outer surface deformed as by knurling to deform the inside of the pipe upon its insertion to aid in prevention of rotational movement between the insert and the pipe.

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: A recessed lighting fixture including a housing having spaced apart generally vertical walls defining an interior and an open bottom end. The walls have generally vertical slots through them. The fixture has lip means for maintaining the bottom end of the housing against a lower surface of a ceiling. The fixture further includes a plurality of mounting members disposed on an exterior surface of the wall means. Each of these mounting members has a first end, an outwardly curved elongated body portion made of resilient material and a second end. The first end of each mounting member is attached to the housing near the bottom end of the housing. The second end of the mounting member extends at least partially through the slot into the interior of the fixture so that at least a portion of the second end is accessible from the interior through the open bottom end.

Abstract: A whole house, direct drive fan is disclosed wherein the fan motor is secured directly to a single joist by means of a motor mounting bracket. A venturi housing is separately secured directly to the joist on which the fan motor is mounted.

Abstract: A self locking mounting bar having a notch near one end, which notch fits onto the upper edge of a main runner of a suspended ceiling. The other end of the bar slides into one end of a lighting fixture frame. The bars are generally used in pairs to provide an adjustable mounting apparatus for recessed lighting fixtures; a pair of bars mounted at the same end of the fixture frame, but on opposite sides thereof, may slide toward or away from each other to accomodate variable ceiling runner spacings. Preferably, two pairs of self locking adjustable mounting bars are used to mount a fixture, one pair at each end of the fixture frame. The bar is mounted by placing the notched portion of the bar onto the upper edge of a ceiling runner. The bar then may be locked in place by bending a tab at the end thereof underneath the upper edge of the runner.

Abstract: A ceiling fan support for supporting a fan in a hole through a ceiling. The support is comprised of telescoping sections and is insertible through a hole in the ceiling and has teethed braces at each end adapted to be situated against a pair of spaced joists in the ceiling on each side of the hole. A tool is inserted into aligned holes in the telescoping sections and one of the telescoping sections is moved longitudinally until teeth on the braces dig into the joists thereby firmly supporting the support in the hole in the ceiling while a constant downward pressure is exerted on the telescoping sections maintaining them in fixed telescoped position.

Abstract: A device for suspending hangings on ornamental structures, especially lighting fittings, the hanging comprising an eye (2) into which a hook (4) formed on a rod (3) can be hooked and on which a bush (5) is longitudinally slidable. The bush is provided with two mutually opposite slots (6) for being placed onto the eye (2). The hook on the supporting rod is formed by a downwardly inclined straight recess (4). The eye engages this hook with a straight and level inner edge such that it does not twist relative to the rod.

Abstract: A globe mounting device for a ceiling lamp is capable of supporting a glass globe safely and is also capable of maintaining the globe safely fixed for a long period of time by providing cushion materials to support the globe resiliently and having plate springs press downwardly against the globe. The invention comprises a lamp device holder which has a short cylindrical casing and an annular radial flange extending therefrom, a U-shaped supporting bracket with outwardly extending supporting pieces at both ends thereof to which cushion materials are fixed and insulating plate bolts for fixing the insulating plate and the supporting bracket to the short cylindrical casing and a semispherical glass globe having cut out recesses at opposing sides of an inwardly extending flange at the top end thereof. According to the invention, the globe can be fixed safely and kept fixedly safely for a long period of time.

Abstract: A universal bar hanger employed for supporting fixtures to a pair of structural bodies. The bar hanger utilizes an elongated section having first and second surfaces with an elongated slot which is formed between first and second surfaces. The slot possesses a selected length and width dimension. An end section possessing a connector for affixing the end section to the structural body is also included. The end section is joined to the elongated section. A protuberance connects to and extends from the first surface of the elongated section and has a first portion with selected dimension that is in excess of the width dimension of the slot, and a second portion with a selected dimension that is smaller than the selected width dimension of the slot.

Abstract: An adjustable mounting frame, and a kit including this frame, for mounting recessed lighting fixtures, and a method therefor. The mounting frame includes a mounting ring and spring members which can hold a lighting fixture trim in place. In addition to the mounting frame, the kit may also include fastening means for mounting the frame onto the ceiling, a junction box, an electrical conduit and/or a socket cup. The mounting method generally involves the steps of installing the mounting frame in the ceiling, and mounting the trim in the frame by inserting the trim into the spring members.

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 slidably lockable bracket having two levels and a keyhole aperture with a slot running from the upper level to the lower level and an enlarged aperture at the end of the slot at the upper level. A sliding member having a post and an enlarged head is engaged and locked in the bracket by inserting the head through the enlarged aperture, sliding the post along the slot, and dropping the head in the lower portion, thereby locking the head on the lower level. Preferably the lower level is configured to retain the head.

Abstract: The present invention relates to a method of installing a platform assembly designed to be mounted below a bridge deck to prevent impeding traffic below the bridge deck during installation of the paltform assembly and during demolition of the bridge. The present invention also includes an apparatus assembly for practicing the method of the invention including a platform assembly and means necessary to install the platform assembly beneath the bridge deck.

Abstract: An overhead support system for TV monitors comprising a shoe releasably and slidably insertable into seated position into a pocket in an upper portion of the monitor housing. The shoe carries electrical contacts to mateably engage with corresponding electrical contacts for the monitor when in seated position. Conductor cables are embedded in the shoe and extend from the electrical contacts through a pipe, one end of which is secured to the shoe and the other end of which passes through shock absorbing material supported on an overhead support frame to threadably engage an anchor means supported on the shock absorbing material. This system securely supports such monitors in overhead locations such as on buses.

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: Apparatus for mounting a television set or the like from an ordinary home ceiling that has spaced-apart joists such as two-by-fours placed on edge and a ceiling panel secured to the underside of the joints. The apparatus includes an L-shaped bracket and a hollow shaft connected to one of the legs of the bracket so as to form a U-shaped hook that is engageable in flush contact with a ceiling joist. The shaft extends downward through a hole in the ceiling adjacent to a joist and provides support for a cabinet connected to the shaft. A spacer element is preferably disposed between the cabinet and ceiling, and the cabinet is secured by a disc and nut adjacent to the ceiling and a nut engaging the bottom of the shaft below a support plate connected to the top of the cabinet. Electrical wires and coaxial cables as required are threaded upward through the hollow shaft and are made available for connection to power and signal sources.

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 recessed light fixture assembly includes a plaster frame having a rectangular floor. A bar hanger bracket is supportably connected to each of two opposed edges of the floor. Each bar hanger bracket includes a support ledge supportably connected to its respective edge of the floor, and an upright sidewall formed integral with each support ledge. A bar hanger retaining finger is formed integral with each side of the sidewall. A pair of opposed retaining tabs is formed integral with each side of each sidewall and is spaced from the retaining finger on the respective side. A bar hanger including an elongated arm is positioned between each pair of retaining tabs and is thereby slideably connected to each bar hanger bracket and captured by the retaining finger. Each bar hanger has an elongated arm which arm has two assembly notches in one edge.

Abstract: A suspension and power connector for illuminated house number signs includes an apertured mount plate which receives and is supported by a power connector body. An apertured anchor plate receives the body and bears against the mount plate. Suspension brackets underlie the anchor plate with fasteners connecting the brackets and anchor plate to the mount plate. The body at one end includes a threaded connector adapted for support, assembly into an electrified socket on a porch ceiling. The body at its other end has an electric socket adapted to receive an incandescent bulb. A housing for a house number sign has a transparent front wall and an open top which extends over the bulb, engages the anchor plate and is secure thereto by the brackets.

Abstract: A reinforced junction box assembly includes: a polygonal open housing body with a top surface on one side and a plurality of side walls vertically formed along the periphery of the top surface; at least one pair of holding flanges each with a guide opening in the middle separately provided along an edge of two opposing sides of the open housing body structure; and at least one pair of mounting members each with a reinforced ridge and two mounting sides respectively fixed on an interior surface of the two opposing side walls against the holding flange. In addition, each of the mounting members includes a threaded bore in the reinforced ridge, which is aligned with the guide opening of the respective holding flange, and a plurality of screw holes in the mounting sides, which are used to fix the mounting members on the opposing side walls. Thereby, safe connections can be ensured all the time between the mounting members and a suspension load through the guide openings and the threaded bores.

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 flat member (22) is attached to a lower end of a support leg (14) so that it extends horizontally from the support leg (14). An expansion clamp assembly (24) is carried by the member (22). This assembly (24) is plugged into the tubular lower end portion (26) of the support leg (14). Wing portions (58) of a nut wing washer (50) are deflected by the insertion of the assembly (24) into the tubular portion (26), and the wings (58) are biased into a tight gripping contact with the inner tubular portion (26). This secures the nut wing washer (50) and a nut (46) against rotation. Then, the member (22) is rotated, relative to the support leg (14), causing a relative endwise movement of a stud (28) carried by the member (22) into the nut (46).

Abstract: In a linear structural member for the formation of reticulated structures intended to bear lighting means and the like, to form furnishing and for other uses, possessing two mutually spaced longitudinal expanded parts and a connecting part between the latter, said member comprises a single continuous section possessing, as a connecting part, a continuous laminar connecting baffle between the said two expanded parts.

Abstract: Flanking structural shapes and mechanical connection means between shapes disposed two-by-two in flanking relationship and two-by-two in abutting relationship make up structures for mechanical support and electrical connection, at low voltage (for example at 24 Volt), between abutted shapes. The web of the shapes having transverse bars at the ends, is defined by shearings in the same web. The bars being able to cooperate with coupling means comprise a plate body made of insulating material, shaped according to the cross-section dimensions of the structure and forming support edges adapted to receive, on their sides, the bars of the shapes to be coupled. Clamps for mechanical and electrical connection are developed with U-shaped cross-section for embracing the bars brought near the abutted shapes and the body thickness along the support sides, and are secured to the body.

Abstract: A table suspended from a room ceiling has a table top that is positionable between a retracted first position against the ceiling and a second position extended from the ceiling toward the floor. Extension and retraction occur through a pivotal arm assembly. The arm assembly is controlled by electric or manual powered drive mechanisms. The drive mechanisms are enclosed in a modular housing that is manufactured to interchangeably accept either the electrical or the manual drive mechanisms. The suspended table includes a table top that is rotatable about a vertical axis.

Abstract: A panel assembly wherein plurality of upper panels are connected by a plurality of elongated couplers. Each upper panel is made of an elastic material and curved convexly outward at both the side edges thereof and extend in the transverse direction of the panel assembly. Each coupler extends in the transverse direction of the panel assembly and has inner curved surfaces which have curves coincident with those of the upper panels and extend in the face of each other on the upper portion thereof so that a gap, into which two of the upper panels can be inserted, is defined between the inner curved surfaces. A support member having nearly semicircular curve coincident with the curve of the panel and a plurality of couplers is inserted into the gap, so that the support member is fixed to the panels.

Abstract: A table suspended from a room ceiling has a table top that is positionable between a retracted first position against the ceiling and a second position extended from the ceiling toward the floor. Extension and retraction occur through a pivotal arm assembly. The arm assembly is controlled by electric or manual powered drive mechanisms. The drive mechanisms are enclosed in a modular housing that is manufactured to interchangeably accept either the electrical or the manual drive mechanisms. The suspended table includes a table top that is rotatable about a vertical axis.

Abstract: A support leg (14) is attached to a ceiling structure (10) by means of a threaded stud (12) which mates with a threaded opening (18) in an insert (16) which is swage connected to the upper end of the support leg (14). A flat bar (22) is attached to the lower end of the support leg (14) so that it extends horizontally and makes a "T" with the support leg (14). An expansion clamp assembly (28, 36, 40, 44, 46, 50, 74) is carried by the bar (22). This assembly is plugged into the tubular lower end portion (26) of the support leg (14). Wing portions (58) of a nut wing washer (50) are deflected by the insertion of the assembly into the tubular portion (26), and edges (62) of the wings (58) are biased into a tight gripping contact with the inner tubular portion (26). This secures the nut wing washer (50) and a nut ( 46) against rotation. Then, the member (22) is rotated, relative to the support leg (14), causing a relative endwise movement of a stud (28) carried by the member (22) into the nut (46).

Abstract: An electrical junction box for supporting a hanging load includes a base plate and a sidewall extending from it. The base plate has a pair of square bolts holes at opposite positions next to the sidewall. The sidewall has a pair of tabs bent inward, each tab having a bolt hole aligned with one of the square bolt holes. A square necked carriage bolt extends through each square bolt hole and its aligned tab bolt hole, with a lock nut on each of the bolts for supporting the hanging load. A spacer sleeve surrounds each of the bolts, between the base plate and the tabs, forming a rigid structure when the nuts are tightened. The sidewall further includes mounting holes for side mounting of the junction box for a supporting structure, permitting flush mounting of the box relative to a ceiling.

Abstract: A speaker wall and ceiling mounting bracket comprising a housing to support and secure the speaker and thin support wings extending from the housing and fastened to the frame members of the wall and ceiling.

Abstract: A hanger assembly (10) for supporting duct work such as heating boots (12) having telescoping brackets (16) for supporting the duct work and, further, having a clip (14). The clip (14) is adapted to slidably receive the telescoping hanger brackets (16). The clip is also adapted to mount the duct work to the hanger brackets (16) in a slidable fashion.

Abstract: A ceiling fan mounting assembly includes a readily installed specially shaped hanger bracket which provides direct high load and torque resistant support for the ceiling fan assembly, as well as providing support for the electrical junction box.