Abstract: A dual purpose jack (20) connectable to a printed circuit board is capable of accepting an audio plug and a power plug. The audio plug (50) has a projecting pin containing a series of spaced annular external contacts connectable to an audio signal. The projecting pin includes a hollow insulated sleeve which mates with a metal pin (120) of the jack to insulate the audio plug from the power portion of the jack. The power plug (40) includes a projecting pin (42) which is hollow and mates with the metal pin (120) of the jack to form the power contact. The combination jack has various leaf springs which move into engagement with the projecting pins of the two plugs and which are aligned in different planes in order to assist in miniaturization of the jack.

Abstract: A clamping bracket connects an electrical wire to a lip of a grounded utility box so as to ground the wire. The bracket has U-shaped portions and a threaded stud which moves an annular abrading end surface with a center cone point into engagement with the metal plate lip when located between the U-shaped portions. The rear planar member of the U-shape is formed by a leaf spring which slants inwardly and bends rearwardly until the leaf spring is approximately parallel with the front planar member due to engagement of a stop surface on the stud with the front planar member. A plurality of barbs located on the leaf spring assist to prevent inadvertent movement during tightening. The front planar member of the U-shape has side ribs which strengths the front planar member and space a threaded bore from the metal plate lip.

Abstract: A clamping bracket connects an electrical wire to a lip of a grounded utility box so as to ground the wire. The bracket has U-shaped portions and a threaded stud which advances an annular abrading end surface with a center cone point into engagement with the lip when located between the U-shaped portions. The rear planar member of the U-shape is formed by a leaf spring which slants inwardly. The front planar member of the U-shape has side ribs which strengths the front planar member and space a threaded bore from the lip.

Abstract: A drop wire clamp assembly is disclosed which is particularly suited for clamping twin or "figure eight" drop wires having a conducting line and adjacent a support line. The support line is sandwiched between bail housing and a slide wedge assembly. The conducting line is cradled along an elongated side of the bail housing. Guiding assemblies at each opposite end of the bail housing hold the support line in center alignment with a gripping surface, which is located in the bail housing.

Abstract: A right angle shielded connector includes an elongated shaft having connector surfaces and an opposite head portion which is integrally formed with a shell cap forming a box-like hollow interior. An insulated sleeve mounts within the hollow interior to space and electrically isolate a terminal which extends out a side opening of the box-like cap. The sleeve along with a mounting bushing forms an interior support to allow the elongated shaft to be press fit into the terminal for assembly by the manufacturer. A cylindrical threaded cover bushing screws onto the threaded side opening of the box-like shell and snugly thereagainst to form a shielded connector. Prior art right angle connectors are also illustrated in which the shell cap are formed from two halves of a cover which mate together.

Abstract: A right angle shielded connector includes an elongated shaft having connector surfaces and an opposite head portion with a flange which is slidably received within a groove around a slot in a shell cap. The slot extends through the upper portion of the cap and a lower threaded portion of cylindrical shape except for the slot extending therethrough. A cylindrical threaded bushing screws onto the lower threaded portion and snugly against the flange. A pair of terminals are located within the hollow interior of the shell cap and are keyed to prevent rotation once assembled. Prior art right angle connectors are also illustrated in which the shell cap are formed from two halves of a cover which mate together.

Abstract: A clamp for mounting and grounding a telephone interface box to an electric utility box of variable width is provided. The clamp has base which spans one side of the box. The base is adjustable through a range of finely graduated widths. Arms extend from the ends of the base and are positioned to engage opposite sides of the box. A sliding plate is mounted on one of the arms to secure the clamp to the box. A mounting plate secures the telephone interface box to one of the arms. In one embodiment, an abrading bolt also mounted on one of the arms to make intimate electrical contact with the box.

Abstract: A miniature surface mount style lamp is disclosed which can be assembled relatively quickly, easily and inexpensively. A pair of closed metal end caps are conductively adhered to the opposed ends of a bulb envelope having a pair of exposed filament leads protruding from either end. In some embodiments, the filament leads are in physical contact with the end caps. In other embodiments, the electrical connection between the end caps and the filament leads is provided only by the conductive adhesive.

Abstract: A clamping device for mechanically and electrically connecting a wire to an object having at least one flat surface. A U-shaped clamping member carries a threaded stud for securing the clamped object at least partially within the U-shaped member. The stud carries a stud tip which can be constructed from a metal that is electrochemically similar to the clamped object to minimize galvanic corrosion effects between the stud tip and the clamped object. The clamping device also carries a wire attaching means for attaching a wire thereto.

Abstract: A system for common grounding of a telephone system and an electric power system is provided. A stud is provided that is integrally secured to the outer surface of an electrical meter box without penetrating the inside of the meter box. The stud is connected through a grounding connection to the telephone system. The stud has a bore formed therein for receiving an electrical conductor, a threaded opening extending into the bore and a securing screw located within the threaded opening for securing the electrical conductor to the stud.

Abstract: A clamp is provided for mounting a telephone interface box to an electric utility box. The telephone interface box is mounted to a plate which is in turn connected to a clamp secured to the utility box. A moveable slide plate can be used to secure the clamp by moving the slide plate to abut the lid of the utility box. A conduit for protecting a portion of an underground telephone feed is also provided.

Abstract: An improved telephone cable lashing wire clamp provides a mechanical connection between a telephone cable messenger wire and a telephone cable lashing wire. A hook member engages the messenger wire and a messenger wire retaining nut secures the messenger wire to the hook member. A lashing wire jam nut then secures the wire lashing wire between the messenger wire retaining nut and the lashing wire jam nut. The hook member accepts a variety of messenger wire diameters, and can be a variety of different shapes. A variety of contacting surfaces can be used on the hook portion and the messenger wire retaining nut to contact the messenger wire.

Abstract: An adjustable clamping device provides a means for grounding a hollow metal box which can be of various dimensions. A C-shaped clamping device includes two separate, elongated members, and a threaded bolt and tab to secure the two members together. One of the members has a plurality of holes to receive the bolt and the tab, and the other member has a threaded hole formed therein to receive the bolt. The alignment of each of the plurality of holes with the threaded hole and tab of the other member establishes a plurality of different, discrete lengths for the base. The base has an end arm which carries a threaded grounding bolt movable into contact with the box. The grounding bolt has an abrading end surface which penetrates the outer surface of the box to form an intimate electrical contact with the base metal for grounding purposes.

Abstract: A system and clamp provides a common system for grounding a telephone system and an electrical power system. The clamp is secured to an electrical meter box and the clamp is connected through a grounding connection to the telephone system. The clamping device incudes a C-shaped base mounting a threaded bolt having a serrated end surface for abrading the surface of the meter box and additionally includes at least one projecting point which prevents the clamp from moving on the box as the clamping device is secured to the box.

Abstract: A drop wire clamp assembly sandwiches an insulated drop wire between a housing bail and an elongated pressure pad which is pressed by a slide wedge assembly against the pad. The pressure pad has a side tab which extends into a capturing aperture in the wall of the housing to guide the pressure pad for movement along the height of the side wall of the housing, and allows tilting motion thereof, without allowing the pad to drop out of an open channel formed in the housing bail.

Abstract: A clamping device having a U-shape provides a mechanical and electrical connection between two flat ribbons or strips of electrically conductive material. The strips of material may, for example, be thin copper bars for grounding purposes in an underground telephone vault. A mounting means allows the clamp to be secured to a structure wall. A pair of threaded bolts are offset from each other and are mounted in opposite legs of the U-shaped clamp. The bolts are formed with slotted heads for securing another conductor, such as a ground wire or ground ribbon, therein.

Abstract: A bracket provides a mechanical and electrical connection between a ground wire and a shielded cable. In one embodiment, a portion of the conductive sheath of the shielded cable is placed into an enlarged portion of a keyhole-shaped bore in a lug. The ground wire is placed into a reduced portion of the keyhole-shaped bore. A securing bolt threaded in an intersecting bore in the lug is then tightened to create a mechanical and electrical bond between the conductive sheath and the ground wire. In another embodiment, a pressure plate is placed into an oval shaped bore between the conductive sheath and the securing bolt. When the securing bolt is tightened, a mechanical and electrical connection between the conductive sheath and the bracket is accomplished through the pressure plate. In another embodiment, multiple first bores are fashioned through a lug to accept the ground wire in any of the bores without having to shape the ground wire into a hook-like connector. The securing bolt then engages the ground wire.

Abstract: An electrical slide switch contains an extendible actuator mechanism. The actuator mechanism is initially flush with the housing, in an inactive position, and can be extended outwardly from the housing and locked in an active switching position after the switch is inserted into a printed circuit board. The actuator is movable along a guide ramp from the inactive position to the active position in which the actuator button and control carrier are locked together for further movement.

Abstract: A clamping device having a U-shape provides a mechanical and electrical connection between two flat ribbons or strips of electrically conductive material. The strips of material may, for example, be thin copper bars for grounding purposes in an underground telephone vault. One inner surface of the U-shaped clamp includes at least one projecting point which is positioned directly opposed to at least one threaded bolt movably disposed and extending from the opposed inner surface. The free end of the bolt is formed with a complementary recess and an abrading surface surrounding the recess. In a preferred embodiment, a pair of such threaded bolts are offset from each other and are mounted in opposite legs of the U-shaped clamp. The bolts may be formed with a slotted head for securing another conductor or bonding ribbon therein.

Abstract: A clamping device having a U-shaped portion between which material is positioned to be mechanically and electrically coupled to the clamp when engaged. One inner surface of the U-shaped clamp includes a conically-shaped tip of a hardened material which is positioned directly opposed to a threaded bolt or stud extending outwardly from the opposed inner surface of the U-shaped clamp for engagement with the conically-shaped tip. The terminal end of the oppositely positioned threaded bolt is formed with a complementary recess and, preferably, a knurled or serrated outer edge for abrading material which is engaged upon the tightening of the bolt. In one embodiment of the clamp, the threaded bolt includes a terminal portion adapted to accommodate and have secured therein a terminated ground wire, and the U-shaped clamp has an undercut portion for positioning against an upturned flange edge of a panel.