Abstract: A junction splice and an adaptor for electrically connecting the flat conductors of under carpet cable with the round power conductors from an underfloor raceway or a pokethru.

Abstract: Membrane for floor outlet fitting is made of material which is flexible and which has memory. Membrane is structured to allow the blades of an electrical plug to penetrate and engage the contacts of a receptacle covered by the membrane. Also, the membrane is structured to allow low tension cable to penetrate and be forced through. The membrane covers the receptacle and the floor opening and shields against dirt and passage of smoke. Membrane is used in a floor fitting by being positioned over a receptacle-carrying plate and held fast on the plate by a cap.

Abstract: A box to be mounted in an opening in an access or raised floor. The top of the box has flanges which engage the floor and support the box in the floor opening. The width of the box is the same as the width of the opening in the floor. The length of the box is greater than the length of the opening. The box has a curved front so that it can be swung down into the opening and when in position part of the box is under the floor. The part of the box under the floor is provided with barriers which form high and low tension channels. The box has a cover providing access to the inside of the box. The inside of the box has a plurality of plates which support high tension receptacles and low tension jacks. Also, in one embodiment, the box has a pass-thru channel for passing and/or splicing cable.

Abstract: Side rail structure for trenchduct side rail has a lower section and an upper section. The lower section is thin, galvanized sheet steel and the upper section is an aluminum extrusion clamps connect the upper and lower sections so that in a full bottom trench the whole trench can be adjusted. In both full bottom and bottomless trench, the upper section can be adjusted with respect to lower section. In the full bottomless trench a friction fit holds upper and lower sections together.

Abstract: A roof seaming machine has symmetrically arranged forming rolls and a reversible permanent magnet motor for operation of the machine in either a forward or reverse direction. Adjustable linkage connects the forming rolls with an articulated handle for moving the forming rolls relative to a drive wheel which propels the machine and which is adapted to be disposed on the opposite of a seam from the forming rolls. A reversible switch is connected to energize and deenergize the motor, and a directional switch safety guard is associated with the switch to limit its movement between an "off" position and either one of two "on" positions, depending upon the positioning of the guard.

Abstract: A cellular raceway constructed of roll formed pieces all welded together including a base member, an upper member, and a barrier. The base member has a center section and outboard sections with ribs respectively connecting the center section to the outboard sections. The upper member has a center section disposed over the base center section, outboard sections respectively disposed over the base outboard sections together with outboard walls extending toward and welded to the base outboard sections. The barrier may comprise angle pieces or a hat-shaped piece. The barrier provides electrical separation for the forming of power and communication cells.

Abstract: A combined deck and cellular raceway unit. The deck has at least a pair of parallel extending crests, each with a top member and a pair of webs together with a valley between the crests. The cellular raceway is formed by an assembly including a hat-shaped member mounted on a base, the assembly being placed inside one of the crests with its top wall engaging the underside of the crests and its base extending across the open end of the crest and welded to the deck unit.

Abstract: Cable management system for flush floor fitting. The fitting has a retainer opening (adapted to pass cable) in communication with the normal access opening. The fitting cover has an opening (adapted to pass cable) which is aligned with retainer opening when the cover is in closed position. The retainer opening receives a wire retainer or cable management block. Key and keyway means permit the wire retainer to be oriented to allow passage of cable or alternatively to be oriented to block passage of cable.

Abstract: Afterset to access each cell of a three-cell cellular raceway. Comprises a base connected to and extending across the three raceways, an adjusting ring threaded on the base and a flat cover on the adjusting ring. Cover and ring are arranged so that the size of the cable exit opening can be adjusted to fit the cross sectional size of the group of cables. All power, telephone, and data connectors are joined inside the afterset underneath the floor covering.

Abstract: A sheet metal shear assembly including a pair of shear elements supported at a fixed angle relative to one another to define a shear nip point. The shear elements are supported by jaw-like support members having outer ends which are spaced from one another to define an open entrance through which, by relative movement of the shear assembly and a steel sheet or a strip from a coil, the sheet or strip can be advanced edgewise toward and brought into shearing contact with and move past the shear elements to effect a continuous shearing of the sheet or strip.

Abstract: A trench duct side rail having an upper section and a lower section, the upper section including a pair of spaced-apart downwardly extending legs and with the lower section being disposed between the legs. The upper and lower sections are axially off-set so that on one end of the side rail the upper section extends outwardly of the lower section and on the opposite end of the side rail the upper section extends inwardly of the lower section.

Abstract: A building system integrating the combination of aluminum and steel structural elements for the efficient assembly of stone and glass panels in a curtain wall system which is conspicuous for its lack of a grid appearance. A plurality of discrete steel clips are utilized for securing stone panels to supporting mullions. A plurality of aluminum members are secured to structural mullions whereby glass may be mounted thereto. The stone and glass panels are sealably secured adjacent one another while a glazing adapter is constructed for assembly over the structural mullions there behind. A splice facilitates mating engagement of the aluminum mullions to permit relative movement therebetween. In this manner, both steel and aluminum may be utilized most efficiently for the assembly of stone and glass panels in a curtain wall system with improved structural and aesthetic qualities.

Abstract: A fitting mounted on the bottom of a cell in a cellular raceway. A hollow cylindrical member engages and is secured to the bottom of the cell in alignment with a bore in the bottom. A junction box is mounted on the lower end of the cylindrical member and has an opening aligned with the member. Intumescent wafers are inside of the cylindrical member and are formed to permit passage of conductors. Discs restrain the intumescent wafers from expanding into the cell and junction box. Electrical conductors can extend from the junction box to the cell.

Abstract: A duct support, for infloor electrical distribution systems, which has two separate adjustments within the same structure. One being a large adjustment which can be made quickly without the use of screw threads. The other being a small, precise, screw-thread adjustment which may be made when the support is in any one of the large adjusted positions.

Abstract: Support structure for holding a plurality of roof panels during assembly of a standing seam roof on a prefabricated building including a spacer block having an elongated body with predetermined shaped ends thereon. In one embodiment one end is of square configuration and the other end is of compound tapered configuration. In another embodiment the end of square configuration is provided with a projecting tenon thereon for positive engagement with inside flanges of a roof panel yoke fastening/retainer clip. In a modification of this embodiment, pre-formed notches or recesses are provided for ease in installation of this end with the roof panel fastening/retainer clip. The other end of the spacer block having a pointed configuration may be of compound tapered form, conical form, semi-elliptical or oval form, or a combination of these described shapes. Also, the end may be completely rounded or semi-rounded with a blunt tip.

Abstract: Each component includes one or more sets of pin and/or socket contacts each set being mounted on a contact block. The contact block has shield means surrounding the contacts and around each shield means in an outer housing. The shields and housing electrically and mechanically isolate the contacts.

Abstract: An adjustable sidewall connection for roof joists includes a plurality of diverging braces connected at one of their ends to substantially the same location on the joist and diverging at their other ends to three spaced apart points of attachment to the sidewall, thereby bracing the joist against movement in a direction parallel to the plane of the sidewall and providing support to the sidewall in a direction perpendicular to the plane of the sidewall. The adjustable connection spans the space between the joist and adjacent sidewall in those constructions where the distance between sidewalls is not divisible by four (the nominal width of each joist).

Abstract: The unit has a flat base to be postioned over the cellular raceways with appropriate openings to the communication raceways (telephone/data) and to the power raceways together with a housing on the base having a central or main section (accessible from the floor for wiring), a pair of power sections respectively disposed on opposite sides of and open to the main section and open to the power raceway and providing passageways for conductors between the main section and power raceway together with a pair of communication sections open to the communication raceways and respectively disposed in the other opposite sides of and open to the main section and providing passageways for conductors between the main section and the communication raceways. In a modified version, the power sections are eliminated and the receptacles are mounted on a support inside the main section.

Abstract: An apparatus for punching a plurality of predetermined spaced mounting holes in a building roof panel support member includes an elongated housing having an oil sump therewithin, a hydraulic pump together with an electric motor for actuation thereof mounted on the housing, guide structure which can be opened and closed for temporarily mounting the housing upon a roof panel support member, an adjustable gauge pin mounted on the housing near one end thereof, the gauge pin being supported on a mount which is adjustable along both the length and the width of the housing, and a hydraulic punch adjustably mounted near the other end of the housing from the gauge pin for punching holes in the support member.The method of punching holes in a roof panel support member as disclosed herein is also part of this invention.