Abstract: A multi-tap electrical connector assembly that includes a plurality of connectors having a body with an aperture extending therethrough and either a male pin or a compression fitting and an elongated metal rod having a longitudinal axis. The metal rod is inserted through the apertures and electrically contacts the connectors to form an electrically conductive path from the metal rod to the male pins or the compression fittings. The connectors can rotate 360 degrees around the longitudinal axis of the metal rod while maintaining electrical conductivity between the rod and connectors and the male pins and compression fittings can be connected to wires or cables from #8 AWG to 3000 kcmil in size.

Abstract: A quick release connector is provided. In one embodiment the connector includes an electrical connector including a first component having a first plurality of teeth and a second component having a second plurality of teeth. The first and second pluralities of teeth are configured to selectively engage and disengage one another upon connecting and disconnecting the connector. The engagement of the teeth is operative to substantially prevent relative axial motion between the first and second portions of the connector. Embodiments of this invention may advantageously support axial loads while maintaining a reliable electrical contact. Various alternative embodiments include a gimbal assembly in which electric lines extend through the gimbal, straddling one of the gimbal axles. Such gimbal assemblies may also support axial loads.

Abstract: A joint arrangement for guiding a cable therethrough with a holding body (201) and a leg (204) which is rotatably journalled on the holding body (201) is disclosed. In the joint arrangement, a mechanism for limiting the rotation of the leg relative to the holding body is provided in order to protect a cable passed through the leg and holding body against excessive twisting. The leg (204) is journalled on the holding body (201) with a ball joint (205). Alternatively or additionally, the joint arrangement includes a swivel joint having a sleeve wherein means for limiting rotation are provided in the form of a stop pin and a stop formed on the sleeve or in a sleeve. Electric operator-controlled elements can be movably mounted on a surgical microscope with the joint arrangement.

Abstract: An identifiable TAB for an inkjet cartridge. The identifiable tab contains a flexible substrate, a plurality of conductive traces formed on the flexible substrate, and a plurality of contacts formed on the flexible substrate and connected to the conductive traces. The contacts of the identifiable TAB are arranged into at least one identifiable area for aiding in identifying the inkjet cartridge.

Abstract: Apparatus for use at an end of a cable in an underwater or severe environment, comprising a connector part for connection with the cable and adapted to be brought axially into engagement with another connector part, the connector part having a laterally directed fitting for connecting the cable thereto, and the apparatus further comprising a handle secured to the connector part at a location rearwardly of the fitting.

Abstract: A Sectional Conduit that would enhance ones home or office. The Sectional Conduit promotes a touch of class and elegance to your surrounding, as well as promoting safety.

Abstract: A plurality of conductor rings (16a, 16b, . . . , 16n) disposed concentrically with respect to a rotation axis X, and opposite terminals (19a, 19b, . . . , 19n) for coming into contact with the above-described respective conductor rings are provided, and these conductor rings and opposite terminals which come into contact with each other are connected to any one of electric circuits on a side of the above-described display section and on a side of the base section, respectively.

Abstract: An articulating elongated inspection neck effective to shield radio frequency interference. The inspection neck includes a series of individual electrically conducting parts each having a passageway there through. The parts are pivotally joined together with the passageways aligned along the length of the neck. A self-adjusting electrically conducting member connects immediately adjacent individual parts in electrical communication. The self-adjusting members maintain electrical communication between the parts throughout movement of the parts during flexure of the neck. Consequently, these members maintain electrical continuity along the length of the neck. The spacing between the parts is sized to be barrier to predetermined radio frequencies.

Abstract: Systems and methods for providing for a single piece, hinged cable routing device for use with cables. The device includes sections hingedly connected allowing each section to flex and bend. The device can include fingers on an upper portion of the device. Upon pushing a cable through the fingers, the cable securely remains in position within the device. In a preferred embodiment, the device connects cables to an amplifier housing in a cable television network. When the amplifier housing closes, the device folds securely within the amplifier housing ensuring the cable remains in a position within the amplifier housing that avoids electrical interference and noise.

Abstract: In a cable joint structure, a first casing has a first rail member. A first end portion has a lug portion directed opposite to the first rail, and connected to one end of a first cable so that the first end portion moves along the first rail member. A second casing has a second rail member. A second end portion has a recess portion into which the lug portion interfits, and connected to one end of a second cable so that the second end portion moves along the second rail member. A rotation lock member has a groove provided on the first casing and a protrusion provided on the second casing to interfit the protrusion into the groove so as to unite the first casing and the second casing. An engagement member has an elastic engagement tip provided on the first casing and an engagement opening provided on the second casing to interfit the engagement tip into the engagement opening so as to detachably unite the first casing and the second casing.

Abstract: An improved automatic length-adjusting end fitting for a cable assembly consisting of a conduit and a wire slidably positioned therein reacts to increases in the length of the wire and/or decreases in the length of the conduit by automatically lengthening the conduit to thereby take up a portion of the slack in the wire and return the cable assembly to its desired condition. The fitting includes a hollow housing and a cylindrical core disposed therein for sliding and rotating movement with respect to the housing. The conduit is connected to the end of the core and the wire extends completely through the core and housing. The outer surface of the core has three recesses, each of which forms a series of stair-step notches. Three axially aligned ridges are disposed on the interior surface of the housing engage respective notches, depending on how far the core is inserted into the housing.

Abstract: A shield layer 13 of a shielded cable W and a metal shell 30 are electrically connected via a connection member 40. This connection member 40 is tubular and includes a receiving portion 41 which is insertable under the shield layer 13, a shield layer fastening portion 42 for fastening the shield layer 13 to the receiving portion 41, and a contact portion 43 to be brought into pressing contact with the inner circumferential surface of the metal shell 30. The portions 41 to 43 are integrally or unitarily formed. With this construction, if the shield layer fastening portion 42 is fastened after the receiving portion 41 is inserted under the shield layer 13, the shield layer 13 is tightly held between the receiving portion 41 and the fastening portion 42. As a result, the shield layer 13 and the metal shell 30 are connected electrically even if the rigidity of an insulation layer 12 is reduced.

Abstract: New articulated hinge elements are provided for bracket systems with a double-T shaped carrying profile designed for containing electrical cables supplying control equipment that permit the articulated connection between parts or elements of such bracket system for horizontal slewing or swivelling movements with a cable passage which is open to the outside and which can be closed. Such hinge elements enable flexible connection of horizontal bracket parts with open and lockable cable guides for the continuous insertion of cables.

Abstract: A separable, flexible connection arrangement (10) is provided for connection of two conductors (12, 14). In one arrangement, the separable, flexible connection arrangement (10) is utilized to provide an externally removable bushing (16) for connecting an electrical component located within a sealed enclosure (19). The flexible connection arrangement (10) includes two joints (20, 22) formed by two link members (50a, 50b) that are spring-biased and include protuberances (40, 42) that interfit into slots (30, 32) of the conductors (12, 14). A spacer (72) may be used to maintain spacing of the protuberances (40, 42) and also acts as a stop when contacted by the ends of the slots (30, 32). One of the slots (32) is formed with an open end (74) to enable easy insertion between the link members (50a, 50b). Alternatively, one of the conductors (100) includes a set of grooves (102, 104).

Abstract: A terminal for coupling wirings of the present invention is simply constructed, features enhance coupling/assembling operability, and needs decreased space. A terminal body (21) is constituted by a wiring connection portion (22) and an overlapping portion (21). an external wiring is fastened by caulking to the wiring connection portion (22) and is connected thereto. An engaging pawl (26) and an engaging piece (27) are formed on the overlapping portion (23) on both sides of the bolt insertion hole (25). The pair of terminal bodies (21) are turned relative to each other in the circumferential direction of the bolt insertion hold (25) in a state where the overlapping portions (23) are overlapped one upon the other on the back surface side thereof. Then, the engaging pawl (26) rides on the engaging piece (27) of the opposing terminal body, and the engaging pawl (26) and the engaging piece (27) come into engagement with each other.

Abstract: A power busway distribution section length which may be adjusted before, during, or after installation to better facilitate proper busway location and reduce installation and modification costs. The section length comprises two busway stubs which slide independently between a center busway splice-plate joint. Overlapping sheet metal enclosures are used to provide protection from inadvertent contact with live bus bars and allow the busway section length to be adjusted to a discrete length.

Abstract: A connector element is provided for variably laying and protecting insulated electrical conductors or cables for interconnecting the electrotechnical devices and lightning protective systems in aircraft and spacecraft. The connector element (29) includes a protective corrugated hose (25) connected to a screw-on component (1) by a collar nut (3) screwed onto the screw-on component (1). The collar nut (3) engages a flange (26A) on an end of the hose (25) and clamps it against the screw-on component (1). Insulated electrical conductors or cables (8) are guided through the hose (25), which is conductively connected to the aircraft structure. The hose (25) serves to protect, hold, and guide the electrical cables (8) in a desired configuration. The corrugated hose (25) includes a compressed portion (25A) with a small corrugation spacing, whereby the hose (25) is bendable into a desired configuration, yet is form-retaining and flexurally stiff to maintain the bent configuration.

Abstract: A coupling includes a metal body having a cavity for receiving the end of a tube. The coupling has an electrically conductive, resilient member which is in electrical contact with the metal body and one part of which is intended to exert a resilient force on the outer surface of the tube so as to establish electrical contact with the tube.

Abstract: A panoramic television surveillance system includes an image-sensing station having an imaging sensor with a line-format field of view mounted on a platform rotatable about an azimuthal scan-rotational axis. The imaging sensor collects a "live" television-like panoramic synoptic surveillance image of the full panoramic wide-angle field. The image data is delivered by an image-data-delivery line, which incorporates a rotary-joint data link, to an image-monitoring station. The image-monitoring station includes an image-data-processor, display-buffer-storage, and a synoptic panoramic wide-angle array of visual monitor displays to permit continuous synoptic evaluation of the full panoramic scene, up to 360.degree. wide, at an observer-personnel position. Alternatively, the image-monitoring station includes the image-data processor and an image-data recorder for continuous recording of the image data for off-line evaluation.

Abstract: A flexible connection arrangement is provided for two conductors that accommodates all possible forms of misalignment between the two conductors. The connection arrangement utilizes spherical joints formed by facing hemispherical protuberances at each end of two movable links.

Abstract: An adjustable cable supporting hinge assembly pivotably couples a support member, such as a tray for holding an electronic component, to a support structure, such as a housing or cabinet for an electronic system. The adjustable cable supporting hinge assembly includes a hollow cylindrical hub member which receives the cables coupling the electronic component to the electronic system. The cables are inserted into a cable-receiving region in the hollow cylindrical hub member during assembly and are protected against damage when the pivotable support member is moved. The adjustable wire supporting hinge assembly further includes an adjustable clamp member which rotatably supports and clamps the hollow cylindrical hub member. The adjustable clamp member is adjustable to provide a variable resistance against rotation for the pivotable support member to accommodate electronic components of different sizes and different weights.

Abstract: Sonar array cable is typically provided in lengths comprising hydrophone ays and associated electronics and transmitter can components, each cable length or section having one of each of these components housed therein. These sections are relatively stiff and unbendable, requiring that they be connected with relatively bendable intermediate segments. These intermediate segments are susceptible to excessive bending that can lead to failure of the wiring provided therebetween. The wiring in these intermediate bendable segments is provided in the form of a coil, each of which coils is rigidly connected to the transmitter and electronics in one cable section, and the other end of the coil being connected electrically to the wiring associated with the hydrophone array in an adjacent cable section.

Abstract: A hinge comprising two hinge parts rotatably connected to each other by support walls, on each of which a support arm of a suspension device for a control device or the like is disposed. The hinge axis extends perpendicular to the longitudinal axis of the support arms. Simplified assembly of the hinge and the simple installation of cables or the like is achieved where the hinge parts, which respectively are at right angles to each other, have a support arm fastening wall and a support wall, both of which are provided with a cable passage. The support arm fastening wall and the support wall of one hinge part are connected to each other in one piece by lateral walls which terminate even with the free end of the support arm fastening wall and the free end of the support wall and form an assembly chamber behind the support arm fastening wall and the support wall which is accessible through an opening.

Abstract: A swivel assembly for eliminating undesirable loops in an electrical or telephone cord has half shells provided in axial alignment and surrounding an inner core. The inner core defines slip rings for electrically engaging complementary cavities in the shell so as to afford electrical connection between the plurality of electrical conductors within the cord.

Abstract: In a towed array breakout of the type deployed from or retrieved by naval ssels a junction is defined between a fixed portion of an electrically conductive wire and a movable portion of the wire portion. A relatively hard potting material is provided around and defines the fixed portion of the wire. A coiled helically shaped portion of the same wire or a second wire is integrally joined to the first portion and defines the movable portion. This movable second portion is encased in a relatively soft urethane material so as to provide freedom in both a bending and tension mode. A third portion of the wire is connected to the opposite end of the coiled second portion. This structure affords strain relief at the junction between the fixed portion of the flexible conductor and the movable second portion.

Abstract: A flexible castellated joint is included in the shim lead assembly electrically connecting the cryostat pressure vessel and the outer vacuum vessel in a superconducting magnet to accommodate relative motion between the two vessels during transportation of the superconducting magnet.

Abstract: An angularly adjustable angularly adjustable electrical conduit fitting includes an articulate metal conduit bendable at least 90 degrees about an arc having an inside radius of curvature not exceeding 12 inches, the conduit in its preferred from being between 19 3/4 and 20 3/4 inches long in a contracted state and being extendable by between 21% and 23% of its contracted length and having at one end a conduit coupling and at its opposite end a conduit or wall opening connector.

Abstract: A method of bending and soldering corners of a folding printed-circuit board in which holes are drilled on the printed-circuit board at points at where the circuits intersect the joints of segments of the folding printed-circuit board; V-shaped grooves are cut on the printed-circuit board along the joints of segments, permitting the printed-circuit board to be bent into a desired shape; and the drilled circuits are connected by soldering adequate amount of tin solder in the holes on the circuits.

Abstract: An electrical box connector conduit is fixedly mounted between adjacent electrical boxes through aligned box bores. The conduit structure includes a central conduit member having first and second abutment flanges mounted fixedly to the first and second ends of the conduit member. The conduit member is internally threaded to threadedly receive first and second externally threaded tubes. The first and second tubes include first and second tube flanges, with respective side walls of the respective boxes captured between a respective tube flange and abutment flange to direct electrical cable through the conduit structure between the electrical boxes.

Abstract: A door that includes one or more electrical devices, such as an outlet receptacle, an illuminated house number sign, or an illuminated display panel. The electrical devices are powered from an external source of power that is conducted through a pair of pivotable conductors extending between the door and the adjacent door frame. One end of the pivotable conductors is electrically connected with a source of electrical power, and the other end of the respective pivotable conductors is electrically connected with the electrical devices carried by the door, to avoid external extension cords and to avoid the need to conduct electricity through the door hinges.

Abstract: A fiber optic connector (1) for an optical fiber cable (2), comprising; a strain relief (3) encircling the cable (2), a housing (4), and a fixture (5) attached to the strain relief (3), the fixture (5) interlocking with the housing (4) at a stationary position angularly pointing the strain relief (3) and the cable (2) relative to the housing (4).

Abstract: A generator rotor pole crossover including a substantially U-shaped portion from which extend legs curving outwardly. The U-shaped portion is thickened in one direction but thinned in another direction, relative to the leg thickness. This configuration provides flexibility to the crossover, decreased stress and relatively constant cross section of resistance purposes. The legs are brazed to the copper conductor winding ends by scarf and lap joints, respectively. The crossover may replace defective crossovers in the field by removing only the end plate of the generator. This allows installation in a short time without risk of damage to generator insulation.

Abstract: A welding cable has connectors at each end, and a plurality of electrical conductors extending through the cable from one connector to the other. An insulating element includes a tubular outer wall, and a plurality of wall portions extending radially in respective directions from the central portion to the outer wall, each conductor being disposed in a passageway defined by a respective pair of adjacent radial wall portions and a portion of the outer wall. The connectors at the ends of the cable facilitate a flow of cooling water through the passageways in the insulating element. The insulating element extends through a pair of axially spaced, tubular cover portions, each of which has one end clamped to a respective connector.

Abstract: A wire harness protector for use in an appliance. The wire harness protector consists of two members. A first member is secured to the door so as to pivot therewith. A second member is also secured to the door but remains stationary when the door is pivoted. Thus, when the door is pivoted, the second member is fixed relative to the door support structure and the first member pivots with the door. Both the first member and the second member include conduits which are aligned with the hinge axis of the door. Each of the first and second members forms an enclosure for enclosing and routing the wire harness. The conduits are formed by U-shaped channels and covers therefor. The covers are held in place by means of locking snaps. The entire first and second members may each be formed in a single integral molding process from a thermosplastic material such as a fire retardant polypropylene.

Abstract: A coupling is provided for connecting between an electrical conduit and an electrical device for enclosing electrical wires passing therebetween, when the conduit and the device are laterally offset as well as spaced apart from each other. The coupling comprises at least first, second, and third hollow tubular members extending along first, second, and third axes respectively and joined end to end by at least a pair of ball and socket joints to form a unitary structure having relatively smooth interior walls forming a passageway for accommodating passage of electrical wires therethrough.The joints are angularly adjustable in any plane aligned with said second axis to permit alignment of said first, second, and third axes not only in coalignment with each other, but also said first and third axes displaced one from the other by an offset distance corresponding to said lateral offset.

Abstract: In a deformable system whereby electrical energy distribution conduits and conductors disposed longitudinally therein can be connected along a curved path, the system comprises a deformable central part containing a layer of conductors. Said central part comprises links hinged about axes parallel to the layer and perpendicular to the conductors, which latter are plastically deformable. They are solid conductors having a section which is flattened in the transverse direction of the layer of conductors. The said axes extend through the neutral axis of the conductors.Use to eliminate adverse elastic return movements of the system.

Abstract: A corner guide comprises a pair of hinged panels (1, 2) with an embedded duct (6) through which an optical fibre (7) can be threaded. The corner guide, for guiding an optical fibre (7) or the like around a corner (9) whose radius of curvature is less than a permissible minimum radius of curvature Rp for the fibre (7), guides the fibers (7) by means of the duct (6) along a path which extends into three dimensions. At the corner at the hinge between the panels (1, 2), the duct (6) passes through an "x-y" plane containing the corner at an angle for instance of 70.degree.. This enables an arrangement wherein the projection of the duct (6) onto the "x-y" plane includes a bend whose radius of curvature is less than Rp although the path itself does not include such a bend. The invention finds particular application in optical fibre installations in homes or offices, wherever a fibre has to turn a corner, for instance at the corner of a room.

Abstract: A printing apparatus comprises a movable carriage mounted with a printing mechanism that reciprocates along a printing line on a platen, and a control unit, which is provided on a printer body in a stationary manner and sends control signals to the printing mechanism for its various operations. A flexible member connected to the carriage and the control unit for transmission of the control signals. For this purpose, the flexible member is connected at one end to the printing mechanism. The flexible member has a first end portion at a proximity of that end, which is clamped by a connecting member pivotally supported on the carriage. This connecting member can swing to permit free deformation of the flexible member which is caused by the movement of the carriage.

Abstract: An abrasion resistant sleeve for flat substrates, for example ribbon cable and the like, which includes a hollow flexible sleeve made from a fabric of engineering plastic that has been flattened to define two edges, each of which has a top and a bottom layer. The layers of each edge are bonded together permanently while the sleeve is in the flattened condition to maintain the sleeve in said condition. Preferrably the sleeve is axially compressible and radially expansible.

Abstract: A swivel joint with electrical conduit guide means adapted to be mounted on a wall and having an opposed end to which an electrical fixture may be affixed. The joint includes a first and second half with mateable serrated teeth to lock one half to the other at an angle one to the other. In addition, a conduit guide means is mounted within one of the halves and fully enclosed by the other half and at least one half has an interior bore tapered downward in diameter presenting its smallest cross-section to said guide means. The guide means also includes structure to allow bending of said conduit with the angling of one half to the other without damage to said conduit.

Abstract: A flex joint for an elongate oil tool which permits flexure and bending while yet protecting electrical conductors is disclosed. The duplicated flex joint incorporates a hollow knuckle having a passage therethrough received in a mating and confining socket terminating in a passage. The knuckle and socket form a flex joint. The flex joint is pinned so that rotation in a conic angle is permitted while rotation of the two components relative to one another is forbidden. The passage is periodically closed by means of a transverse plug, an electrical feedthrough permitting electrical conductors to extend through said plug. The passage is further protected from the intrusion of fluids from the well borehole by means of a spring loaded piston compensating pressurized sealed oil system which operates in an annular space on the exterior of the passage.

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: This articulated cable head includes a universal joint whose support (4) and ring (5) are made of fiber and epoxy resin laminates obtained by winding threads. The universal joint head (6) is spherical in shape and is made, together with an oscillating arm (7) which extends therefrom, as a single piece of cuproberyllium alloy. The oscillating arm (7) carries a tubular stop part (8) made of fiber and epoxy resin laminate obtained by winding threads, which is surrounded by a rubber sleeve (80, 81, 82) providing a transition in diameter, and which is hollowed out by a cavity serving as a housing for an anchor part (9) attached to the end of a line cable (2).

Abstract: A device for transmission of signals between two units which are movable relative to each other without having to use rotating slip rings or the like. The signal transmitting conductors are disposed close to a point on the center axis of a rotating holder for the signal source. This results in minimum fatigue of the conductors, which in turn permits a long life of the conductors. The signal source is journalled in the holder and can be prevented from rotating around its center axis. The device can also be used to transmit a medium such as a coolant between two units.

Abstract: A ball joint is disclosed to couple together elements of an electric lamp fixture. Two semi-spherical ball joint members are pivotalbly mounted about a pin so as to form a sphere. An arm portion extends from each ball joint member along its equatorial plane. Each arm draws its ball joint member into a socket having a truncated spherical surface so that semi-spherical surfaces of both semi-spherical ball joint members are drawn into sliding contact with truncated spherical surfaces of the socket. In drawing both ball joint members into the socket, the two ball joint members are urged together. The forces with which the arm portion is drawn into the socket determines frictional forces required to rotate each socket relative to the ball joint members as well as one ball joint member relative to the other ball joint member. A continuous passageway passes internally through the ball joint through which electrical wires may pass.

Abstract: An apparatus for housing electrical wiring extending between a vehicle door and a vehicle body. A first link is pivotally connected to the vehicle door and the vehicle body for pivoting the door away from the vehicle body. A second link is pivotally connected to the vehicle door and the vehicle body rearward of the first link along the length of the vehicle. The second link cooperates with the first link to pivot the vehicle door away from the vehicle body. The second link includes a pivotal support frame, a conduit section, and a clamping member for removably clamping the pivotal support frame and the conduit section together to enable the conduit section to be detached from the pivotal support frame. When clamped, the pivotal support frame and the conduit section define a conduit therebetween. Electrical wiring extends within the conduit for providing electrical wiring between the vehicle door and the vehicle body.

Abstract: A fitting which couples two conduit members in a manner to permit relative longitudinal motion therebetween and which prevents the gases within the fitting from escaping at a temperature which might ignite an external ambient atmosphere. One form of the fitting includes a bushing affixed to an end of one of the conduit members and positioned and configured to mate with the interior of a body member affixed to an end of the other conduit member to permit sliding motion therebetween. The bushing has sufficient surface area in close proximity to the interior surface of the body member as to cause any gases passed between the bushing and body member to approach a temperature equilibrium with the body member.

Abstract: The mounting assembly of the present disclosure finds particular application in shielded electrical cable having connectors at opposite extremities thereof and carrying electrical conductors between spaced-apart equipments having respective mating connectors. In accordance with the disclosure, a mounting assembly is provided which may be disposed at either extremity of the cable, or at both extremities, and which permits the cable connectors to rotate through a prescribed arc about the cable axis. This rotation compensates for the torsional inflexibility of the cable, thereby facilitating the orientation of the mating connectors required for attachment, and electrically linking the equipments.

Abstract: A multi-axis robot wrist assembly having three hydraulically operated rotary actuators which are mechanically connected in series such that the output of each actuator drivingly positions the body of the succeeding actuator located outboard thereof. The hydraulic connection to any wrist actuator, except the innermost actuator, includes a series-connection of (a) internal passage(s) through actuator(s) which are located inboard of the actuator in question and (b) external line(s) between the actuator in question and actuator(s) located inboard thereof. By connecting all but the innermost wrist actuator through hydraulic paths which are at least partially internal to actuators positioned inwardly thereof, the overall envelop of the wrist assembly is reduced.

Abstract: An .?.angularly adjustable.!. angularly adjustable electrical conduit fitting includes an articulate metal conduit bendable at least 90 degrees about an arc having an inside radius of curvature not exceeding 12 inches, the conduit .?.in its preferred from.!. being between 193/4 and 203/4 inches long in a contracted state and being extendable by between 21% and 23% of its contracted length and having at one end a conduit coupling and at its opposite end a conduit or wall opening connector.