Abstract: An improved cable crossover device for protecting electrical cables from damage. The device is modular in design and comprises modular sections coupled together by a strengthened interlocking system which allows for a variable length device. The main modular section comprises a solid body of elastomeric material comprising two opposed ramps. Each ramp comprises a bottom, generally horizontal surface and an inclined surface extending upwardly from the bottom surface at an angle. Each ramp merges with a central portion of the crossover device comprising a horizontal surface between which is located a plurality of U-shaped recesses, each recess comprising spaced vertical walls and a horizontal base wall therebetween. The electrical cables are positioned within the recesses, each recess being dimensioned so that more than one cable can be supported therein.

Abstract: A molding, baseboard or the like for accommodating equipment such as electrical equipment and, in this case, electrical wiring for such electrical equipment, comprises a generally U-shape main part having a back and two side flanges and a separate cover adapted to extend between the free edges of the flanges. At least one longitudinal rib projects from the back of this main part for selective attachment of accessories thereto. At least one removable partition for optional use has a foot adapted to be attached to the rib or one of the ribs and there is also provided at least one set of at least two part-covers for use when one or more partitions are used. Each part-cover is adapted to extend between one side flange of the main part and the removable partition when one partition is used or between two removable partitions when two or more are used. The side flanges each comprise a snap-fastener member adapted to cooperate with a complementary snap-fastener member on the cover or part-cover.

Abstract: This profiled member is of the kind comprising two parts engageable with each other, for example a body part (10) and a cover part (11). There are provided on a baseplate (12) of the body part (10) snap-fastener members to enable the cover part (11) to be attached to the body part (10) in either of two separate positions, its normal service position and another position. The profiled member is particularly suitable for ducts or trunking of electrical wiring.

Abstract: A top entry top exit wiring duct for routing conductors to terminal devices, the duct including a base, side walls provided along each side of the base forming an open channel, a partial top wall formed by a number of fingers spaced apart to form open ended exit slots for the conductors and having distal ends extending toward the other of the side walls, the distal ends being spaced from the other of the side walls a distance sufficient to define a top entry opening into the duct for the conductors.

Abstract: An integral box attached to harpoon-shaped projections in the bottom of a channel-like duct member for electrical wiring by way of a fixed appendage and a pivotable locking tab. The latter has a lower portion extending below the base of the box and an upper portion. The lower portion is provided with a retaining appendage for a harpoon-shaped projection and the upper portion is provided with a locking mechanism.

Abstract: Ducting for electrical conductors with a stiffening arrangement formed by stiffening clamps, each of which comprises two or more parts between which there are transverse gaps separating aligned mutually inserted engaging members of both parts; each pair of adjacent parts are connected by lateral flaps attached to each part across a weakened area.The ducting is of the type having a base wall, two side walls having top ends provided with coupling formations, and intermediate longitudinal partition members each provided with an upper terminal formation. The engaging members of the stiffening clamps engage the upper terminal formations of the intermediate partition members; and coupling parts on the ends of the stiffening clamps connect to the coupling formations on the top ends of the side walls.

Abstract: An optical cable comprising a carrier member extending in a longitudinal direction and having outwardly accessible chambers receiving light waveguides, each of said chambers being separated from one another by a web characterized by a depression being formed in each of said webs to enlarge the heat-emitting surfaces and to remove undesirable accumulation of material in the region of the carrier members. The depressions preferably have a V-shaped cross section, and are smaller than the channels and are able to receive additional elements, which may include waveguides, tensile elements or electrical conductors. Each of the V-shaped depressions can also e used as a gas channel when the optical cable is to operated in a gas-pressure monitored fashion.

Abstract: The multi-purpose apparatus for distributing wires mainly comprises a strip member having at one lateral wall a longituidnal opening with flanges respectively formed on opposite edges thereof, and a plurality of single units each having along its length a pair of longitudinal grooves respectively being located at opposite edges of the unit and corresponding to the longitudinal flanges of the strip member such that each single unit can be detachably secured to the strip member by forcing the flanges thereof into the corresponding grooves thereof. Those single units include decorative plate assemblies, electrical socket assemblies, switch assemblies and other terminals such as telephone wire junction box, antenna socket, speaker wire socket, and signal wire socket. The strip member further is provided along its upper and lower edges with a pair of wire receiving chambers in which power wires and ground wires including signal wires are respectively received.

Abstract: A duct assembly for enclosing conduits therein comprising a base and a pair of opposing side walls extending substantially perpendicular thereto, and a cover having an intermediate portion with a pair of generally parallel end portions extending substantially perpendicular thereto. The side walls of the base each have a tapered rib extending outwardly therefrom for engaging a U-shaped groove in the end portions of the cover to snap-fit the cover to the base. The ribs and grooves cooperate to provide first and second coupled positions. When the duct assembly is in its first position, a recess is formed for inserting a coupling member therein to join a substantially identical duct assembly thereto in a side by side relation. When the duct assembly is in its second position, the ribs and grooves are secured together to provide a smooth outer surface between the cover and the base. The bottom of each base can be snap fitted to the top of an identical base.

Abstract: A cable conduit for textile machines houses the supply cables, ground plates and motor bars which are connected to the ground plates, for the drive and control of an individual drive of the textile machine. The cable conduit has a housing, a detachable cover provided on the housing, and an intermediate cover connected to the housing. The intermediate cover divides the housing into a partial conduit which is not accessible to the outside adapted to receive the supply cables, and a portion which is covered by the detachable cover and adapted to receive the ground plates and motor bars. Grooves formed in the housing securely receive the ground plates in the portion of housing covered by the detachable cover.

Abstract: Disclosed is a bundled strands protector of a type of a U-shaped housing. The protector comprises a partition member upstanding from the bottom wall of the housing, a locking member provided on the free end of the partition member, and a retaining member hinged to one of the side walls of the housing and releasably engageable with the other side wall, the retaining member being provided with an engaging hole engageable with the locking member.

Abstract: An assembly for mounting and connecting components, either electrical or pneumatic devices, which are arranged on boards such as printed circuit boards. A channel having a base and flexible side walls receives the edges of the boards in grooves along the side wall. Flexible sidewalls spread apart to receive the boards and lock them in the grooves. Several boards may be located in a channel in end to end relationship. Conduits are defined between the insides of the side walls, the base and the side of the boards facing the base. The components on the boards are located on the outside. Wiring and tubing lines extend through the openings in the boards into the conduits and extend along the conduits. End plates at the opposite ends of the conduits may be used to close the ends of the conduits except for openings through which the wiring and tubing extends.

Abstract: A cable handling system for routing a group of cables to a rotatable hub having an arm extending therefrom has a sleeve which partitions the group of cables into side-by-side subgroups. The sleeve is flexible and allows the cables to slide and flex within it. Forward and rearward straps attach the sleeve to a forward position on the arm and a fixed rearward position to hold the sleeve longitudinally in place and subject it to longitudinal and transverse tension. A cable rotator holds the cables next to the hub where they enter the hub area and allows them to pivot in the plane of rotation of the hub as the hub is rotated but does not allow longitudinal sliding of the cables. In the arm area, rigid longitudinal partitions maintain the subgrouping of the cables and the cables are enclosed on the top and bottom to longitudinally support the cables against buckling and facilitate sliding among the cables.

Abstract: A single sided telephone frame particularly suited for DSX use utilizing a standard relay rack. In-plant equipment cables are interconnected to equipment blocks at an upper end of the frame. Below the equipment blocks are a group of jack panels located between groups of cross-connect block elements to maintain cable connections therebetween as short as possible. Connections between groups of cross-connect blocks to the jack panel elements, and from the jack panel elements to the equipment block elements are principally through a single vertical trough along one side of the frame, thereby permitting maximum space utilization. Each of the elements includes a metallic enclosure having members forming segments of the trough which are aligned to vertical congruency upon assembly upon the frame.

Abstract: A conduit system for cables adapted for mounting in a vehicle including constant cross-sectional elongate conduit elements 1 having one or more channels 3 formed therein and retention and locking members for holding the cables within the or each channel at intervals along their lengths. The conduit system may comprise a plurality of straight conduit elements 1 connected end to end, for example in an aircraft fuselage. Alternatively, where a change of direction and/or elevation is necessary, the straight conduit elements may be interconnected by curved joining conduit elements 2.

Abstract: A floatable flexible line is provided with at least four air chambers which extend in the form of a one-piece extruded flexible chambered casing around the conductors. The density of the material for the chambered casing is preferably below 1 kg/dm.sup.3.

Abstract: Apparatus for the removable mounting of electrical components such that the connecting and/or disconnecting of the electrical component to or from electrical conductors does not expose an individual to contact with the electrical conductors is disclosed. The apparatus comprises a strip member having a plurality of grooves therein to accept an electrically conductive member therein, a face cover member to cover the plurality of grooves and a module structure to be removably mounted to the strip member. The face cover member has a plurality of apertures therein such that an aperture is positioned over each of the grooves. The module structure includes structure for removably mounting the electrical component therein and structure for removably connecting the electrical component across a plurality of the electrical conductors by physically penetrating the electrical conductors after passing through predetermined apertures in the face cover member.

Abstract: Electric power is supplied to downhole equipment, such as a submergible pump, by a power cable that is joined to a support cable by a cable carrier as the carrier and cables are fed into a well. The carrier comprises laterally displaced resilient clamping sections that are clamped about respective cables to form a continuous assembly, and the assembly is fed into the well as the equipment is installed.

Abstract: A lubrication monitoring device for heavy duty diesel engines includes a plurality of measuring receivers connected at one level to driving spaces of the engine. Each receiver is assembled of a socket part secured to the wall of the engine and enclosing a lower and upper padding of resilient material pressed together by a pressure plate fastened to the top of the socket. Opposite lateral walls of the socket are formed with cutouts for receiving a ribbon cable which is integral with lateral elongated channels connected respectively to an underpressure and overpressure pump. The upper padding is provided with a connector block carrying a plurality of fork shaped contacts and with two hollow connection pieces which upon compression of the upper padding penetrate the elastic material around the elongated channels while the fork shaped contacts penetrate the insulation of the cable wires.

Abstract: A fixture for supporting elongate members of undercarpet cables throughout curves is formed with an outer arcuate channel or track and at least one inner channel or track profiled to have a longitudinal length equal to the arcuate length of the outer channel or track. The fixture is provided with tapered outer marginal flanges and assumes a profile at entry and exit ends similar to that of a cable to be received therein.

Abstract: An edging, preferably a skirting-board, in one flat side of which at least one longitudinal groove is provided.The edging according to the present invention is characterized in that the groove or grooves (2, 3) is outwardly open and ends in the flat side directed outwards when the edging is positioned e.g. at a wall, wherein the distance between the upper and lower boundary surfaces of the groove or grooves is so dimensioned, that between these surfaces a flex (4, 5) of an electrical appliance is from outside directly insertable over an arbitrary length of the edging.

Abstract: An improved cellular flooring service distribution system is disclosed comprising a cellular flooring unit in which a dividing means provides a plurality of open parallel conduits in a single valley of a corrugated sheet, an overlying trench providing a plurality of transversely oriented parallel passageways which have access to said conduits and an isolating means to selectively isolate at least one conduit and passageway from the remaining conduits and passageways. Cover means and access housings are also provided. Since the above components do not require any special fabrication, they can be efficiently and cheaply mass produced, preferably from sheet metal. Service lines may be placed in open conduits and passageways prior to covering to eliminate the need for feeding the lines through enclosed cells.

Abstract: A supplementary hose attached to a main vacuum cleaner hose for carrying an electrical line is seated in a groove formed in the outside surface of the main vacuum cleaner hose. To increase the flexibility of the vacuum cleaner hose in all directions, the wall of the supplementary hose is perforated.

Abstract: A readily strippable electric wiring cable comprises two electrically insulated line conductors arranged substantially parallel to one another and transversely spaced apart within a surrounding extruded insulating sheath and a bare earth conductor which is loosely housed in a bore extending lengthwise within the sheath between and parallel to the insulated line conductors. Preferably, each line conductor is itself loosely housed in a separate bore in the sheath. Double insulation is provided between the earth conductor and each line conductor.

Abstract: A line spacer for a pair of insulated conductors each having conductive points projecting laterally beyond the insulation thereof in a common direction at sites spaced therealong, comprising a block of insulating material having a pair of laterally spaced grooves extending therealong near opposite edges thereof and opening to a first surface of the block, the grooves being deeper than the sum of the conductor diameter added to the point projection, and means severally accessible from the opposite edges of the block for compressively retaining the conductors against motion in said grooves.

Abstract: An undercarpet cable assembly for use in signal transmission systems has a coaxial cable subassembly retained by but strippable from an abrasion-protective and crush-resistant resilient retention body. Stripping is facilitated by an unbonded relation between the subassembly and the retention body.

Abstract: A support strip (FIG. 2) of plastic material with U-shaped cross-section and for supporting conduits, cables etc. has a substantially plane bottom (2) and side walls (3), which support strip (1) in its bottom surface close to the longitudinal edges of the support strip has a groove (5) extending along the entire length of the support strip with opposed grip edges (6,7). The free outer edge of each side wall (3) is formed along its entire length with a substantially cylindric bead (8), the diameter of which is slightly smaller than the width of the groove (5) and greater than the distance between the grip edges. Both beads (8) are located at the same distance from the bottom (2) and in a plane (x) extending perpendicularly to the bottom and in the central longitudinal line of the respective groove.

Abstract: Disclosed are heat recoverable connectors for use as a protective covering about a plurality of joined articles such as wire splices or tubing junctures. The connectors are open-ended and feature at least one internal wall extending for at least a portion of the distance along the length of the connector to provide a plurality of open-ended channels within the connector for respectively containing one or more of the plurality of joined articles so as to insure their separation during the process of shrinking the connector by heat.

Abstract: A vacuum cleaner hose is equipped with an electrical cable which runs in parallel to the longitudinal axis of the vacuum cleaner hose in a groove or in contact with a flattened portion of the vacuum cleaner hose which is encased together with the electrical conductor by an outer jacketing hose. Alternately, the cable may be enclosed in a smaller diameter hose which in turn is connected to the outer wall of the vacuum cleaner hose in the groove formed in the vacuum cleaner hose. The electrical cable may be embedded in a foam material which forms a segment of the vacuum cleaner hose inside the jacketing hose.

Abstract: An electrical wire bundle support assembly for maintaining separation between the individual wire bundles. The multiple wire bundle support assembly comprises a molded base member adapted for mounting to aircraft structure which contains a plurality of channels for supporting individual wire bundles. A molded spring action cover member is utilized in the wire bundle support assembly; the spring action cover member includes a plurality of foam cushion portions which extend therefrom in an indexed manner into corresponding channels in the base support member thereby resiliently restraining the plurality of wire bundles seated in the respective channels.

Abstract: An electrical connector assembly including an elongate resilient synthetic resin channel member for attachment to a vehicle window, the channel member having therein a longitudinally extending channel of re-entrant cross-section. An elongate electrically conductive part is arranged to be received as a snap fit in said channel, whereby one or more conductive heating elements can be trapped between said part and the wall of said channel in electrical connection with said part. The channel member has a surface which supports said part within the channel in a position spaced from the base of the channel in a direction towards the open face of the channel.

Abstract: Surface ducting comprising a body portion and a removeable lid, the body portion having a base, first longitudinal channels defined by longitudinally extending ribs which are upstanding from the base, and a pair of second longitudinal channels which are arranged one on each side of the first channels and which are each defined by a side wall of the body portion which is upstanding from the base and one of the ribs, the first and second longitudinal channels being of the same height, the first channels being for receiving elongate members, the second channels being narrower than the first channels and being for receiving fixing means, and the lid having integrally formed retainer means for clipping in the second channels.

Abstract: Ducting for installing below a surface, which ducting comprises a body portion and a lid, the body portion having a first longitudinal channel, a pair of second longitudinal channels arranged one on each side of the first channel, and at least two separate channel insert members which are a removable fit in the first channel and which are for receiving elongate members, the lid having retainer means for clipping in the second channels, each channel insert member having base and side walls, and the channel insert members occupying substantially the entire cross-sectional area of the first channel.

Abstract: A wiring system for a partition assembly comprises a plurality of horizontally extending elongated wiring channels readily attachable to the outer face of adjacently disposed panels and supporting posts by means of one or more removable hanger assemblies juxtaposed each post. Each hanger assembly including at least one terminal section insertable in the end of an adjacent panel wiring channel and a medial section serving to support a post wiring channel. One or more wiring compartments within all of the wiring channels are longitudinally aligned with one another to provide continuous electrical raceways or compartments from one end of the assembly to the other and an interlocking effect is achieved between adjacent wiring channels by providing mitered end edges on the channels.

Abstract: Two coaxial metal pipes, whose confronting extremities are each provided with a plurality of peripheral ribs of staggered height separated by two or more peripheral grooves, are interconnected by a coupling sleeve of fiber-reinforced thermosetting resin subdivided into several coaxially interleaved and independently deformable cylindrical shells each terminating in a pair of internal beads engaged in a respective peripheral pipe groove. The shells, increasing in axial tensile strength from the innermost to the outermost one, are preferably separated from one another by interposed antibonding layers of thermoplastic resin. A resinous filler can be inserted between the pipe extremities for electrically insulating them from each other. The shells of the coupling sleeve can be formed by coiling resin-coated filaments around the pipe axis, advantageously with application of an antifriction layer on each inner shell before the thermosetting material thereof has been fully hardened.

Abstract: A remountable unitary extruded plastic base for wall construction providing a decorative finished appearance, said extrusion having a preinstalled generally L-shape comprising a first leg connected to a second longer leg by means of a flexible hinge connection wherein the first leg is rotated to snap engage with the second leg to thereby conceal an attachment surface having fasteners therethrough, wherein the attachment surface and fasteners are concealed within a pocket portion between the first leg and second leg.

Abstract: In the present device, a base member is included which has channels formed therein to hold lead wires. In the preferred embodiment a metal foil resistor member, having termination land sections, is secured to the base member to form a fourth side for each channel, thereby securely locating the lead wires in the channels and the lead wires are firmly connected to the termination land sections of the foil resistor. Accordingly with respect to the foil resistor assembly: there is good physical strength to withstand external forces; the resistor reliability is enhanced; the fabrication is simplified; and the resistance range capability is increased.

Abstract: The invention provides an electric duct for locating insulated electric wires along a wall. A removable cover member has internal channels in which wires are located at junction positions adjacent blind holes in the member through which spikes or claws of connectors extend to pierce the insulation on the wires and contact their conductive cores. The wires are retained in their channels by protuberances on a co-operating element which is locked to the cover member.

Abstract: A supporting rail for supporting electrical fixtures or the like. The device comprises an extruded plastic elongate member which is formed at least in part by spaced inner and outer walls that are joined at spaced locations about the cross-sectional periphery of the member. The spaced walls define therebetween longitudinally extending hollow channels for carrying wires or the like, and the inner wall encloses an elongate inner chamber which is open along its length. A structurally rigid rail is thus provided but without requiring the use of substantially solid construction in the extruded rail.

Abstract: An extruded plastic housing of indefinite length contains an electrical conductor bar in a slot extending lengthwise of the housing. The bar is retained in the slot by a pair of ribs integral with the side walls of the slot and extending lengthwise thereof and projecting toward each other. The width of the bar is greater than the space between the ribs, but the housing is so formed that in assembling it and the bar the distance between the ribs can be increased temporarily by pressure of the bar against them to permit it to be moved rearwardly past the ribs, whereby the bar can be inserted from the front or outer side of the slot, thus permitting the use of a single conductor bar regardless of the number of housing units that may be disposed end to end to form the housing.

Abstract: Receiver of continuous structure adapted to be laid on the ground surface or underground, for seismic prospecting on land, comprising at least one support member for geophones, made of a flexible material having an elongated central portion and two lateral portions defining therewith at least one recess, said geophones being fastened to the central portion of the support member and coupled to the earth therethrough and said lateral portions being provided with longitudinal channels housing conductor cables.