Abstract: An adapter, particularly for detachably connecting an electrical floor-treating device to an operating appliance, includes a first housing having a first longitudinal axis, a first end portion to be connected to the operating appliance and a second end portion. The adapter further includes a second housing having a second longitudinal axis extending substantially transverse to the first axis, a third portion adapted to be mounted on the second end portion for rotation relative thereto and about the first axis. The second housing is adapted to be mounted on the treating device for pivotal movement relative thereto about the second axis and for rotational movement with the treating device about the first axis.

Abstract: A conduit grounding wire coupling device includes an insulator bushing carrying internally threaded collar for engaging an externally threaded section of an electrical conduit, the collar being provided on its outer peripheral face with circumferentially spaced, radial protuberances having flat outer faces with tapped central bores and angularly spaced diametric grooves in each outer face radiating from respective tapped bores. A wire clamp member includes a rear wall and longitudinally spaced outwardly projecting arms, one of which defines a first jaw and the other having a tapped bore engaging a second jaw carrying bolt. The clamp member rear wall has a depending section provided with a bore and a diametric ridge which engages a selected diametric groove and is locked to the collar at the selected orientation by a bolt engaging the collar and clamp member rear wall bores.

Abstract: An electrical connector for effecting connection between groups of submerged electrical contact elements comprises a plug and a base, each provided with electrical contact elements to be connected and which are immersed in an insulating liquid in respective enclosures in the plug and base, one of the enclosures being annular and inwardly limited by an inner protective body and the other of the enclosures being cylindrical and outwardly limited by an outer protective body. The plug and base are connected by sliding the cylindrical enclosure over the surface of the annular enclosure so as to replace the inner protective body by the cylindrical enclosure and to bring the electrical contact elements into alignment.

Abstract: A vacuum cleaner hose assembly and method of making same are provided wherein such assembly comprises, an elongated vacuum hose having a hose end, a plurality of electrical conductors extending along the vacuum hose with each conductor having an end portion disposed immediately adjacent the hose end, a plurality of electrical connectors each fixed to an associated end portion of an associated conductor, a flexible hose fitting fixed to the hose end with the fitting having a plurality of the electrical connectors embedded therein which are movable with flexing movements of the fitting, a rigid hose adapter operatively connected to the fitting, an electrical device carried by the adapter and connected to the embedded connectors with the device having precisely aligned integral electrical connectors, and cooperating portions on the adapter and electrical device self positioning the electrical device relative to the adapter with the precisely aligned electrical connectors readily accessible for easy mating with c

Abstract: The disclosure relates to an insulation cover for a slotted barrel electrical terminal of the type mounted to a printed circuit board. The cover is molded of dielectric material in cylindrical form with an open end for receipt over a barrel terminal, and a closed end which is slotted to provide a seat against which an insertion tool is registered. A lengthwise slot of the cover receives one or more wires therein and grips across the cross section of each received wire to provide a strain relief. A projecting tab on the cover is utilized for gripping when removal of the cover from the terminal is required.

Abstract: An electrical connector is disclosed of the type for sealably protecting an electrical splice particularly for buried wires. The connector has a shell for containing the spliced wires to be protected. The shell further contains a volumetrically collapsable container filled with a viscous sealant material. A closure cap is closed compressibly over the container, collapsing the same and expelling and distributing the sealant throughout the connector shell.

Abstract: Disclosed herein is a female electrical connector for separably connecting a male contact element with a high voltage circuit. The connector comprises a conductive housing having a first end adapted to receive the male contact element, a second end adapted to be closed and an internal wall surface providing an axially extending opening therebetween. The connector includes an elongate female contact assembly including a tubular conductive piston within and in conductive relationship with the housing and axially movable between a normal first position wherein the piston is maximally spaced from the first housing end and a second position. The piston provides a chamber adjacent the second housing end. The assembly also includes female contact means, for engaging the male contact element, carried by and movable with and in electrically conductive relationship with the piston.

Abstract: In a contact device for the transmission of electric current between a stationary contact and a movable contact wherein the stationary contact has walls at least partially encircling the movable contact, resilient elements transmit the current and are positioned between the movable contact and the walls of the stationary contact. The resilient elements comprise roller contact springs made of a material having sufficient electrical conductivity, elasticity and mechanical strength and are wedged in between the movable contact such that upon movement thereof the contact springs revolve about their center. The springs have a diameter larger than is necessary to span the distance between the movable contact and the walls of the stationary contact, and the roller contact springs are reduced in diameter by twisting or torsioning.

Abstract: A coupling for air and electrical connections between a vehicle and a trailer having two telescopically connected cupped sections with concentric sealed air passages when the sections are interconnected. Both the electrical and pneumatic connections are made simultaneously with the telescopic interconnection.

Abstract: An electrical contact fixture is positionable on a surface and is connectable to the surface near a central portion. An electrically conducting continuous band extends around the central portion parallel to the surface. The band and the surface are connected by springs so that the band can be moved parallel to the surface when the fixture is connected to the surface. The fixtures can be stacked one upon the other and insulated from each other to provide terminals for electric currents and spaced at various distances from the surface. A collector has a resilient, elongate, serpentine portion for extending parallel to the surface. At least one collector contact is located along the serpentine portion. The collector contacts are in spaced-apart parallel relationship along the serpentine portion.

Abstract: A multi contact electrical connector for interconnection of a ground-signal multi-conductor flat cable to a plurality of electric circuit elements such as terminal posts extending from a panel is disclosed. The connector includes a plurality of discrete terminals in a multi-contact insulating housing with a ground bus mounted on the housing. Conductor template surfaces are located on oppositely facing insulating cover members. The free ends of the conductors in the flat cable are reoriented during assembly of the connector so that proper ground and signal electrical terminations can be established using slotted plate terminal members located on centerlines differing from that employed in the cable itself.

Abstract: A double ring and radial lead assembly for electrically connecting the exterior and interior of a large, hollow shaft. A first ring secured to the shaft has a radial opening therethrough in general alignment with a radial opening in the shaft between its exterior surface and its interior surface. The first ring is secured to the shaft through an interference fit. An electrical conductor is arranged in the generally aligned openings and is secured in such position. A second conductive ring is attached to the first ring through an interference fit and covers the radially outer end of the radial lead. The second ring acts as a slip ring and provides a rotatable electrical contact surface for maintaining electrical connection with a stationary electrical source. The radially directed conductor and both rings are electrically insulated from the shaft.

Abstract: A connector assembly designed to be mounted on a telephone main distribution frame includes a connector base having a plurality of rows of channels formed on one face by ledges extending between elongated edges of the connector base, a ground plate having a conductive side and an insulating side and a plurality of pedestals. A first set of terminals extends through the pedestals, the ground plate and the connector base into the channels, and a second set of terminals extends through the pedestals, the ground plate and the connector base so as to project from the ledges such that the first and second sets of terminals maintain the connector base, ground plate and pedestals together.

Abstract: A plug-in cartridge designed to mate with an external system via a connector having a plurality of external mating receptacles, and one or more external actuator pins, for engaging the cartridge. The cartridge encloses a printed circuit board with terminals arranged to receive an electrical circuit (e.g., an integrated circuit) susceptible to damage by excessive electrostatic charge. The circuit board includes a plurality of metallic contact areas conductively connected to respective terminals, extending external to the cartridge, and configured to engage the mating receptacles of the connector. The cartridge also includes a protection device comprising a plurality of conductive fingers formed from a common conductive element. The device is arranged such that, when the cartridge and connector are disengaged, the fingers contact associated ones of the contact areas whereby the contact areas and therefore the circuit terminals are connected in common (i.e.

Abstract: A screw base for high intensity discharge lamps or for larger sizes of incandescent lamps utilizes a threaded aluminum shell coated with a thin film of polytetrafluoroethylene. The thin film is penetrated at points of maximum contact pressure with the socket to provide electrical continuity while effecting a low friction surface preventing galling and sticking of the base in the socket and permitting easy lamp insertion and removal.

Abstract: An electric plug in which novel cable securing means is used for anchoring the cable to the plug so that any pull on the cable will prevent the cable from being pulled free from the plug and will also prevent the three wires in the cable from being accidentally disconnected from their associate electrodes. The electric plug has three electrodes with portions projecting beyond the plug, these portions being hook-shaped and designed to enter three openings in an electric outlet box, the plug being rotatable through an angle for securing the plug to the box.

Abstract: A clip for fixing an electric cable to a support structure, as for clamping the cable to an electrical appliance as it passes into the appliance, includes terminals for terminating respective conductors of the cable within the appliance. The clip comprises two portions of synthetic plastics material which are drawn together by a screw to clamp the cable end, which screw serves also to secure the clip to the support structure, the terminals being provided on one of the clip portions.

Abstract: The subject invention relates to a new connector assembly design for making a low resistance, stable electrical connection to a plastic coated aluminum shield adhering to and underlying polyethylene jacket of telephone cables. When the connector in accordance with the invention is applied across the composite sheath, it eliminates the creep strain exhibited by the polyethylene jacket and aluminum shield and results in a stable low resistance electrical connection, which is essential for noise-free operation of the cable and good lightning protection of enclosed telephone circuits.

Abstract: An internal electrical interconnect coupler of an electrical conductor assembly for use with a tubular fluid conductor composed of lengths of pipe having their ends interconnected in spaced relationship by external couplers wherein an electrical conductor for said assembly is provided by thin ductile electrically conductive tubes disposed within the pipe lengths and electrically insulated therefrom by complementary pliant dielectric sheaths which envelope said tubes. Flared extremities of each sheathed tube conform to internal end portions of each pipe length so as to anchor said tube against relative displacement.

Abstract: A connector module for loadbreak operation having an insulating housing and a switch insert. The insert includes a container with a major portion of uniform diameter and a configuration such that the diameter does not increase from its outer end to its inner end. Inside the container is a snuffer-contact assembly. A bore contact having a gas port is attached to a snuffer tube of the assembly and has fixed to it a piston adapter for driving the snuffer-contact assembly toward the open end of the container tube in response to gas generated by arcing inside the bore. Resilient sliding contact means are fixed to the piston and press against the inside wall of the container tube to establish continuous electrical contact with it even while the piston is moving. A gas check valve member is resiliently seated against the inner side of the gas port. Keyways in the piston ride over longitudinal keyribs formed in the wall of the container to prevent rotation of the piston in the container.