Abstract: A two-piece socket terminal is crimped to the end of an ignition wire and detachably connected to a spark plug stud terminal. The terminal comprises an attachment member of crimpable semi-hard steel having a corrugated channel at one end and a tee-shaped support at an opposite end, and a socket member of spring tempered steel having a split sleeve at one end and a longitudinal tongue at an opposite end. The attachment and socket members are secured to each other by clamping arms of the tee-shaped support bent over the longitudinal tongue. The tongue has circumferential tabs behind the clamping arms providing a mechanical interlock in the pull-off direction while the foremost internal rib of the corrugated channel provides a stop in the push-on direction. The terminal provides a direct electrical connection between the ignition wire conductor core and the socket piece which is enhanced by forward projecting tabs of the corrugated channel. In-line and angled embodiments are disclosed.
September 27, 1978
Date of Patent:
June 24, 1980
General Motors Corporation
John M. Chupak, Joseph H. Gladd, James W. McNamee
Abstract: A sealed electrical connector comprises an electrically insulated pin housed in a receptacle and has a bared end for contact with a conductor extending partly out of the receptacle. An adjustable mechanical means is provided establishing such contact. A deformable resilient sleeve serves to seal the connection between the pin and receptacle, and access to the mechanical means is only possible through one end and along the sleeve which serves thus to seal the mechanical means.The connector is suitable for use with an implantable cardiac stimulator.
Abstract: The tube socket is especially adapted for use with a longitudinal extending cathode ray tube of the type having one or more high voltage pins and a plurality of relatively low voltage pins. The socket provides structure for spark gap grounding of the high voltage pin or pins, with or without spark gap grounding of the low voltage pins, the latter spark gap protection being essentially conventional. The structure is inexpensive and easy to mold and assemble as compared with prior art socket structures performing the same or equivalent functions.
Abstract: A portable, prefabricated panel adapted to be connected with a plurality of similar panels to form a wall or partition structure. The panel is electrically prewired and includes electrical power blocks disposed adjacent the opposite lower corners of the panel, which power blocks are connected by electrical cables which extend internally of the panel. When two or more panels are connected together, electrical power is transmitted between each adjacent pair of panels by a flexible electrical connector which plugs into the power blocks of the adjacent panels. The panel also has electrical sockets integrally associated therewith, which sockets are preferably associated with the power blocks. The power blocks are symmetrical so that the same electrical connections can be made on either side of the panel. A channel-like raceway extends along the bottom edge of the panel for permitting the hidden storage of communication cables.
May 26, 1978
Date of Patent:
April 22, 1980
Haworth Mfg., Inc.
Richard G. Haworth, Charles J. Saylor, Harold R. Wilson
Abstract: A high density solder tail connector assembly for leadless integrated circuit packages. The plastic connector package includes upper and lower header portions each having a plurality of mating terminal reception channels formed therein. The upper header portion includes probing holes to allow ready testing of integrated circuit packages mounted on the connector assembly. Each channel is designed to receive an inner and an outer type of S-shaped spring-beam contact. Each type of unitary contact includes a contacting portion, a generally S-shaped spring-beam portion, a probe portion, a base portion, and a solder tail or wire-wrap portion. The two types of contacts differ with respect to the location of the solder-tail portion.
Abstract: Electrical connector receptacle comprises an insulating housing having a rearward end, a plug-receiving end, and a plug-receiving opening extending through the housing and between the ends. A plurality of side-by-side stamped and formed conductors are mounted in the housing with intermediate portions of the conductors extending through a conductor-receiving opening which is parallel to the plug-receiving opening. First end portions of these conductors are reversely bent at the plug-receiving end and extend obliquely into the plug-receiving opening. Second end portions of the conductors extend beyond the rearward end of the housing and across an apron which is integral with the housing. This apron has conductor positioning and retaining means thereon for retaining the conductors in spaced-apart predetermined locations and for securing the conductors to the housing. An improved manufacturing method is disclosed in which all of the conductors are assembled to the housing simultaneously.
Abstract: A retaining device for preventing withdrawal of an electric plug from an extension cord socket responsive to forces exerted on a cord connected to the plug. The devices of the first and second embodiments are used with extension cord sockets. In the device of the first embodiment, a resilient C-shaped clamp abuts the opposite end walls of the plug and socket. The ends of the clamp are releasably connected to each other by a flexible chain which positively maintains the plug electrically connected to the socket. In the device of the second embodiment, a pair of retaining straps are secured to one of the connectors, and a pair of ears are secured to the other connector. The ears, engaged by the retaining straps, prevent withdrawal of the plug from the socket. An adaptor shell is provided to allow use of the device of the second embodiment with plugs substantially smaller in width than the socket.
Abstract: An electrical building block incorporates an angular adapter in which the contact pins which extend on a side of the building block, which is vertical to the plane of installation, are connected by way of conductor elements with a connector tab which is vertical to the plane of installation. The conductor elements are designed to form, in one piece, also the connector tabs by means of metal strips which are attached in one plane to the contact side of the building block and surround, by means of solder eyelets, the corresponding contact pins of the building block. In particular, by means of bending at least a part of the metal strips alongside of the building block surface, at least along the side of two vertical side walls with regard to the installation plane, in a row of holes in the carrier plate which carries the building block there are connector tabs provided which can be anchored.
Abstract: A lampholder, particularly for electric Christmas tree candles, comprises two substantially but not quite similar parts which are united with each other substantially on an axial plane, at least along a major portion of their axial extension. To permit automation of the mounting of contact blades and electric conductors connected thereto in the holder, as well as subsequent assemblage of the lampholder halves, one half only is provided with retention and stress relieving means for firmly holding the contact blades and the stripped ends of the conductors in said one half before as well as after the assemblage of the halves. In one embodiment intended for larger lamp bulbs one lampholder half is longer than the other axially, and terminates in an annular end portion having a through hole for the electric conductors.
Abstract: A multiple plug-in connector device is constructed as a plurality of connector housings, each including connector elements, such as sockets, and each being mounted in frame structure for guidable movement toward and away from a plug connection providing a plurality of plug pins.
Abstract: Press-fit contact pins are disclosed which are adapted for mating with various shrouds and mounting boards. Each of the press-fit contact pins includes a press-fit section comprising, in cross-section, an open, curved or arcuate segment, generally resembling a "C"-shape. The dimensioning of the "C"-shaped press-fit section and the ductility-elasticity of the material from which it is formed are such that, when the pin is inserted into any one of a number of holes in a mounting board of a wide range of sizes, the "C"-shaped press-fit section undergoes plastic deformation in a substantial portion thereof.
Abstract: An electrical connector having a receptacle means including a receptacle shell and a plug means including a plug shell, coupling means including a coupling housing engaged with a coupling nut for rotation of the coupling nut, the coupling nut having threaded engagement with the plug shell and the coupling housing having a breech lock means engagable with cooperable breech lock lands on the receptacle shell, the plug means and receptacle means being adapted to be fully electrically mated and locked by rotation of the coupling housing through about 90.degree.. An arcuate detent member of about 180.degree. keyed to the plug shell for relative axial movement and received within an annular groove in the coupling housing for resilient forcible selective engagement of opposite radially outwardly enlarged ends of the arcuate detent member with two sets of radially outwardly formed recesses in the coupling housing.
Abstract: A simple clip for firmly holding together an electric plug and socket on separate extension cords, and prevent accidental disengagement thereof, particularly when the cords are being pulled or moved; the clip being generally U-shaped and made of rubber or plastic with holes through each end for the cords to pass therethrough, while the connecting plug and socket are located between the U-shaped ends.
Abstract: In a preferred embodiment, there is provided a molded one-piece foil block having a hinged cover as a part of the unitary molded unit, shaped for the cover to clamp downwardly upon each of electrical lead wires and electrically conductive strip normally known as foil, and in the clamped state the cover by virtue of the shape thereof and of the block, snapping into a locked state, and a surface of the block or cover carrying contact adhesive masked by removable masking sheet, the block and cover and hinge interconnecting the two, all being of polypropylene plastic of a substantially flexible nature, and opposing faces of the block and cover in a clamping state, having a plurality of randomly raised portions positioned to substantially mesh with one-another in the clamping state whereby the clamped foil and lead wires are caused to be integrally pressed into improved electrical contact with consequent improved transmission of electric current from one to the other, and the block and cover jointly being further
Abstract: A sectional terminal block assembly has identical interlocking sections held together by the electrical elements. Each section has a projecting portion, and a recess portion shaped to receive the projecting portion of an adjoining section, the projecting and recess portions having interlocking shapes to prevent transverse motion or twist. Each contact element has an arm locked in aligned transverse slots in the projecting and recess portions to prevent relative motion longitudinally. A simple plastic cover snaps over the top of barriers between adjacent contact elements, and is pivotal upward from either side to allow access to the contacts.
Abstract: A connector for joining ends of a pair of cables is disclosed. The connector includes first and second connector members each having a mating end with the mating end of the first connector member having an opening to receive the mating end of the second connector member. Means associated with the mating ends of the first and second connector members are provided for orienting the connector members for mating engagement. The orientation means permits the mating end of the first connector member to receive the mating end of the second connector member only in a preselected position of relative rotation. Means associated with the mating ends of the first and second connector members are also provided for securing the connector members in locked engagement. The orientation means provides an entryway leading to the securing means to permit locked engagement of the connector members with the securing means following mating engagement with the orientation means.
Abstract: A plug-in electrical receptacle extender for extending an existing receptacle to project through an opening in panelling, or the like cover material, used in renovating existing interior walls is used in association with an ordinary receptacle cover plate, thereby eliminating any need to relocate the existing receptacle. A cover plate extender is provided for use as a spacer under the outer cover plate in instances where the distance between the existing wall and renovating wall surfaces is small as compared with distances encountered when the outer wall covering material is applied over the spacer furring or the like, thereby simplifying installation while at the same time improving appearance.
Abstract: A multiple contact electrical connector is provided with a universal receptacle adapted to mate alternatively with a single plug or various combinations of plugs while maintaining polarity of the contacts in the connector. The receptacle is provided with a resilient exterior for forming weatherseals at the interface between mating male and female terminals in the connector, yet also has a rigid central core providing sufficient strength for positive coupling with the mating plugs. In preferred forms, each plug has a centrally attached threaded bolt adapted to be received within a complemental insert formed in the rigid core of the receptacle for facilitating coupling and uncoupling of the plugs with the receptacle and for locking mating terminals in electrical contact with one another.
Abstract: A spring clip arrangement connecting cylindrical bus bars in tandem comprising a U-shaped spring snap fitted into an insulator recess and a pair of separate metal clips seated therein and interlocked against movement relative the insulator support and the bus bars. Insertion of a bus bar clamps the clips between the spring and the bus bar.
Abstract: A mount for a communication device such as a C.B. radio, a cassette player and the like including an upper plate for connection with a base member and a lower plate for connection with the item to be mounted. The upper plate has a flange mounted on each side thereof engageable with a flange mounted on each side of the lower plate when said lower plate is slidably mounted on said upper plate. The upper plate has an electrical terminal block mounted on the underside thereof having means for mating engagement for wire connectors with wire connectors of an electrical terminal block mounted on the upper side of the lower plate when the lower plate is slidably mounted on the upper plate.