Abstract: A connector terminal (1) has a tab (2) fittable into a mating terminal and a press-in portion (3) to be pressed into a press-in protrusion (11) of a housing (10). The press-in portion (3) includes a base (5) having a total of two press-in sections (5a) on its opposite side surfaces, and two branches (6) branched off from the base (5) and having one press-in section (6a) formed on each of the opposite side surfaces thereof. The connector terminal (1) has a total of six press-in sections (5a, 6a), and the connector terminal (1) can be held in the housing (10) with an enhanced force even without increasing the width of the connector terminal (1) and a dimension of the press-in protrusion (11) of the housing (10) along a pressing direction.

Abstract: Electrical connectors and contacts for engaging printed circuit boards are disclosed. One preferred contact has a first contact leg, a second contact leg arranged in a substantially mirror relationship with the first contact leg, and a connecting member extending between and being integral with the first contact leg and the second contact leg. Each of the contact legs includes a mating portion for insertion into a circuit board through hole. The mating portions have an elastically deformable beam for imparting a normal force onto a wall of a circuit board through hole.

Abstract: An electrical connector comprising a connector housing holding signal contacts and ground contacts in an array organized into rows. Each row includes pairs of the signal contacts and some of the ground contacts arranged in a pattern, wherein adjacent first and second rows have respective different first and second patterns.

Abstract: A circuit board terminal (10) has a board connecting portion (12) with a pair of resilient contacts (14) that bulge out with a deformation space (15) therebetween. A resiliently deformable strut (17) bridges the facing inner surfaces of the two resilient contacts (14). The board connecting portion (12) can be inserted into a through hole (23) in a circuit board (20). Thus, the resilient contacts (14) are pressed against the inner surface of the through hole (23) by a resilient force of the strut (17) acting in elongating directions and their own resilient forces acting in opening directions.

Abstract: An electrical terminal is adapted for insertion into a through hole of a circuit board and includes a first section that receives an electrical contact. The first section includes first and second spring arms proximate to each other at a contact point and configured to exert a first spring force to retain the electrical contact. The electrical terminal also includes a second section adapted for insertion into the through hole of the circuit board. The second section includes first and second pin members proximate to each other and defining first and second slots configured to exert a second spring force to retain the electrical terminal in the through hole of the circuit board. The second spring force is exerted in a direction perpendicular to the first spring force.

Abstract: A terminal (10) has two high-rigidity portions (14) for resiliently contacting the inner surface of a through hole (23). A low-rigidity portion (17) spans between the high-rigidity portions (14) and is compressively deformable along its spanning direction. The low-rigidity portion (17) has an easily breakable portion (19) that breaks when a stress acting during the insertion of the terminal (10) into the through hole (23) exceeds a resiliency limit. Thus, the terminal (10) is held resiliently in contact with a large diameter through hole (23) by resilient forces of the two high-rigidity portions (14) and a resilient force of the low-rigidity portion (17). However, the terminal (10) is held resiliently in contact with a small diameter through hole (23) only by the resilient forces of the two high-rigidity portions (14).

Abstract: An electrical connector comprising a connector housing holding signal contacts and ground contacts in an array organized into rows. Each row includes pairs of the signal contacts and some of the ground contacts arranged in a pattern, wherein adjacent first and second rows have respective different first and second patterns.

Abstract: The electrical contact (1) comprises a retention portion (11), a mating portion (12) extending upwardly from the retention portion, and a tail portion (13) extending downwardly from the retention portion. The retention portion comprises two opposite main surfaces (110), and two opposite side surfaces (111) adjoining between the main surfaces. Each main surface defines an elongate support member (1101) at a center thereof. A pair of parallel, symmetric elongate first recesses (1102) is defined at opposite sides respectively of each support member. An elongate recess (1110) is defined in each side surface, the recesses enhancing a resiliency of the electrical contact.

Abstract: A tool for reworking a connector attached to an electronic board having a plurality of stacked wafer modules thereon. The tool includes first and second jaws for grasping and removing a selected one of the modules from the board, a holding structure for holding the board, and movement structure for moving the two jaws relative to the holding structure, at least one of the jaws adapted for separating each selected module from a module on each opposing side of the selected module such that removal of the selected module is attained without damage to the separated, adjacent modules.

Abstract: An electrical connector for mounting on a printed circuit board having a plurality of through holes includes a dielectric housing. A plurality of conductive terminals are mounted on the housing. Each terminal includes a tail portion for passing through a selected one of the through holes in the printed circuit board. Each tail portion has a first side and a latch hook projecting from a second side opposite the first side. The width of the tail portion between the first side and a tip of the latch hook is less than a diameter of the selected through hole. Each solder tail portion can be inserted from one side of the printed circuit board through the selected hole with minimum insertion forces, with the latch hook being engageable with an opposite side of the printed circuit board.

Abstract: A joint structure of electronic element for linking circuit board and electronic element is provided. The joint structure of an electronic element for being electrically connected to a circuit board has at least one slot positioned thereon. And, the joint structure of the electronic element includes: at least one terminal which has a curved portion including a deflected angle with a normal line of a plane of the circuit board, wherein when the joint structure of the electronic element is connected with the slot, the terminal produces an elastic stress through suffering a jostle from the slot so as to urge against the slot for forming an electrical connection therebetween.

Abstract: An electrical connector (1) includes a housing (2) receiving contacts (3). The housing includes a central island portion (20) surrounded by connected sidewalls. The island portion is separated from the sidewalls by a moat-like mating groove. Receiving slots (200) each including a first channel (2000) and a second channel (2002) are defined in each of opposite sides of the island portion, the first channel being wider than the second channel. Each contact is received in a corresponding receiving slot, and includes a contact portion (32), a terminal portion (34) and a medial portion (30). In manufacturing, each of two series of contacts is connected with a common operation carrier (6). The terminal portion of each contact has an L-shaped pull portion (56). Pushing force is applied on the operation carriers. Then pulling force is applied at the pull portions until the terminal portions are completely exposed outside of the housing.

Abstract: An improved press-fit pin having an elastically deformable area 6 to be press-fitted in a selected through hole in a printed circuit board, the elastically deformable area 6 comprising two parallel, opposite beams 8 connected by an connecting deformable bridge 9, thereby permitting the outer corners 8a of each beam 8 to engage the inner wall of the plated through hole while permitting the connecting deformable bridge 9 to be deformed. The connecting deformable bridge 9 comprises, in cross-section, an connecting flat section 10 extending perpendicular to the opposite beams 8, and two oblique sections 11 extending outward from the opposite ends of the upper flat 10a of the connecting flat section 10 to be contiguous to the opposite beams 8. The press-fit pin has a connecting flat section in its pressure-deformable area in place of the “V”-shaped area of a conventional press-fit pin, thus eliminating the necessity of forming acute angles in the die-and-punch.

Abstract: A plurality of terminals are assembled in a housing of an electrical connector with pin portions of the terminals projecting from the housing. The pin portions are inserted in an insertion direction in a plurality of free passages in a support member from one side thereof until retention portions of the terminals pass retention sections of a plurality of retention passages in the support member. The pin portions are moved transversely of the insertion direction through a plurality of communication openings in the support member from the free passages, into the retention passages and into alignment with the retention sections in the retention passages in the support member.

Abstract: An electrical connector comprises an insulative housing (10), and a member of contacts (30) received in the housing. The insulative housing has a mating portion (13) and a mounting portion (110). Each contact includes an intermediate retention section (32), an upper mating section (31) adapted for mating with an engaging contact of a complementary connector, and a lower mounting section (36) adapted for inserting into a printed circuit board. The mounting section includes a first flexible portion (36), a bent portion, and a second flexible portion (37) extending upwardly from the bent portion.

Abstract: An electrical connector is provided for a flat circuit which has at least one pin-receiving hole therein and a conductor on a side thereof about the hole. A dielectric circuit support member supports the flat circuit and has a pin-receiving hole in registry with the hole in the flat circuit. A conductive terminal includes a pin portion insertable through the hole in the flat circuit and into the hole in the support member. A wing portion projects laterally of the terminal for engaging the conductor on the flat circuit. The hole in the support member is sized relative to the pin portion of the terminal to establish an interference fit therebetween and to maintain the wing portion in compressive engagement with the conductor of the flat circuit.

Abstract: A male connector (10) includes first and second individual housing portions (28, 30) engaging with each other, a number of printed substrates (16) held by the first housing portion and a number of signal contacts (18) and a number of grounding terminals (20) held by the second housing portion with the signal contacts confronting the grounding terminals. Each printed substrate has a first edge (108) and a second edge (110) orthogonal with the first edge. The first edges of the printed substrates are hidden behind corresponding lead-in bars (44) of the first housing portion and the second edges of the printed substrates are sandwiched between and removeably held by the signal contacts and the grounding terminals. The second edges of the printed substrates are pushed toward the signal contacts by the grounding terminals because the grounding terminals are somewhat stronger than the signal contacts.

Abstract: A printed circuit board includes a bore having a perimeter and a total depth. An electrically conductive barrel extends around at least a portion of the perimeter of the bore and along a predetermined depth of the bore, the predetermined depth being less than the total depth of the bore. The barrel has an end that terminates at a countersunk portion of the bore. A contact includes a body having first and second ends. The first end includes a compliant section that is positioned in the barrel, thereby forming a separable interface between the contact and the circuit board. The second end extends out of the barrel and interfaces with an electrical component. Protrusion of the first end out of the barrel is minimized. The above relationships are used to decrease capacitive loading.

Abstract: An opto-electric module for connection with a printed circuit board having a through-hole comprising: (1) a substrate; (2) an opto-electric device electrically connected to the substrate; and (3) a compliant pin coupled to the opto-electric device and extending from the substrate for electrically connecting the through-hole of the printed circuit board with the opto-electric device. The compliant pin enables the opto-electric module to be electrically coupled to the printed circuit board in a one-step process without exposing the opto-electric device to potentially damaging temperatures associated with soldering.

Abstract: The present invention is directed to an electrical contact having a compliant section. The electrical contact has a primary section retained within an electrical contact. The electrical contact has a secondary section that includes an elongated section and a compliant section. The compliant section is formed such that when the compliant section is inserted into a hole in a PC board, the compliant section and the elongated section remain straight within a wide range of manufacturing tolerances.

Abstract: The present invention is directed to an electrical contact having a compliant section. The electrical contact has a primary section retained within an electrical contact. The electrical contact has a secondary section that includes an elongated section and a compliant section. The compliant section is formed such that when the compliant section is inserted into a hole in a PC board, the compliant section and the elongated section remain straight within a wide range of manufacturing tolerances.

Abstract: A press-fit connector including a housing provided with a plurality of through-holes and pins secured to the housing by forcing shoulder parts of the pins into the through-holes is proposed. The through-holes are configured such that gaps are formed between the shoulder parts and inner walls of the through-holes. A housing-remover tool for such a press-fit connector is also proposed.

Abstract: An electrical terminal is adapted for insertion into a through hole of a circuit board and includes a first section that receives an electrical contact. The first section includes first and second spring arms proximate to each other at a contact point and configured to exert a first spring force to retain the electrical contact. The electrical terminal also includes a second section adapted for insertion into the through hole of the circuit board. The second section includes first and second pin members proximate to each other and defining first and second slots configured to exert a second spring force to retain the electrical terminal in the through hole of the circuit board. The second spring force is exerted in a direction perpendicular to the first spring force.

Abstract: This comb includes a link bar (5) from which parallel contact plugs (6) extend. Each contact plug is in the form of a tooth (6) pierced by at least one longitudinal window (9) delimiting at least two connection branches (10, 12) which are parallel and deformed transversely in opposite directions one with respect to another and the adjacent edges of which, defined by the parallel edges of the window, are located at a certain distance from one another.

Abstract: A plurality of board connecting terminals each having a board connecting portion and a pressed-in portion are fixed to an insulating connecting element and thus integrally formed as a circuit board connecting terminal assembly. The board connecting portion of each of the terminals is inserted into a corresponding one of through holes formed in the printed circuit board in such a manner as to penetrate therethrough. Thus, the board connecting portion of each of the terminals is electrically connected thereto, so that the printed circuit board with the board connecting terminals are constituted. Then, a pressed-in portion of each of the circuit connecting terminals is press-fitted into a corresponding press-fitting hole and electrically connected to a corresponding one of the bus bars.

Abstract: An embodiment of the present invention provides a circuit board and a socket having mechanical connector for easily connecting and disconnecting a semiconductor integrated circuit device to and from the circuit board. Another embodiment further includes a sub-circuit board for electrically connecting the socket to the circuit board. The socket includes a socket body and a number of socket leads. The socket leads are shaped to compress elastically when inserted in a hole and thereby make contact between the socket leads and inner walls of the holes of the circuit board. The sub-circuit board has connection leads, which make contacts with the through holes of the circuit board in the same manner as the socket leads of the present invention.

Abstract: In the method of manufacturing substrate-use terminals in accordance with the present invention, a rectangular wire 10 is first subjected to cylindrical shaping to form a substrate-side terminal portion 22. Next, a loss portion 14, which is a connecting portion between a tip portion 22a of the substrate-side terminal portion 22 and a tip portion 21a of a connector-side terminal portion 21 and is not used as a portion of a substrate-use terminal 20 after being cut off, is subjected to cutting so as to provide primary machining for the tip portions 21a and 22a. Subsequently, the connector-side terminal portion 21 and the substrate-side terminal portion 22 are subjected to tip crushing to provide secondary machining for the tip portions 21a and 22a. Next, a retaining section 23 for engagement in a connector housing is formed, and the loss portion 14 is finally cut off to form the single-unit substrate-use terminal 20.

Abstract: An interposition structure interposed between substrates and capable of guiding the insertion of a connection pin for electrically connecting the substrates to each other, whereby the connection pin can be inserted properly even in cases where the substrates to be connected or other members have a dimensional error caused during production thereof, a positioning error or the like. The interposition structure has an interposition body in which a through hole is formed such that connection pin inlet and outlet portions thereof each have an inner diameter gradually increasing in a direction from the inner part to the corresponding outer open end thereof, and also has a positioning protuberance provided on the underside of the interposition body.

Abstract: An embodiment of the present invention provides a circuit board and a socket having mechanical connector for easily connecting and disconnecting a semiconductor integrated circuit device to and from the circuit board. Another embodiment further includes a sub-circuit board for electrically connecting the socket to the circuit board. The socket includes a socket body and a number of socket leads. The socket leads are shaped to compress elastically when inserted in a hole and thereby make contact between the socket leads and inner walls of the holes of the circuit board. The sub-circuit board has connection leads, which make contacts with the through holes of the circuit board in the same manner as the socket leads of the present invention.

Abstract: A self retained pressure connector is provided that includes a spring action contact surface at a first end and a compliant interference fit contact surface at a second end. The compliant interference fit contact is supported within a conductive hole in a printed circuit board and the spring action surface contact provides an electrical connection to a conductive element disposed on a second surface. The conductive element may, in alternate embodiments, be a surface pad on the second surface or a second self retained pressure connector rotated ninety degrees from the first self retained pressure connector. A differential self retained pressure connection is also described in which a dielectric material is used to electrically isolate a first half of the connector from a second half of the connector.

Abstract: A metal terminal is provided for insertion into the installing hole of a circuit substrate. The terminal has a slit that allows the terminal to be elastically deformable in a radial direction. The inserted portion has a tapered part with a diameter decreasing gradually in the insertion direction. The maximum outer diameter portion of the tapered part makes a circumferential linear elastic contact with a contact region. When the tapered part is inserted into the hole, it gradually contracts elastically. This allows the terminal to have a low insertion resistance. Further, if the terminal becomes inclined with respect to the axis of the hole, the maximum outer diameter portion maintains a circumferential linear contact with the inner peripheral surface of the hole.

Abstract: A press-in contact includes a connection portion to be connected to a circuit of a board or the like, a press-fitting portion to be fixed in a through-hole of a printed circuit board by press-fitting, and a contact portion contacting a contact of a mating connector. The press-fitting portion is formed to have a U-shaped groove in cross-section whose side walls has a thickness becoming thinner toward the open end of the U-shaped groove to make longer its outer peripheries contacting the through hole. A protrusion projecting from the center of the bottom of the U-shaped groove is provided along the full length of the U-shaped groove to an extent such that the protrusion does not adversely affect the flexibility of the ends of the walls of the U-shaped groove at its open end.

Abstract: A compliant pin, for insertion into an aperture within a printed circuit board (PCB) or connector housing, which includes a longitudinal body having a first end and a second end and a compliant portion located between the first and second ends, wherein the compliant portion includes deformable elements formed integrally and seamlessly with the longitudinal body and further defining a cavity there between, each of the deformable elements deforming into the cavity when the pin is inserted into the aperture. Circuit board and connector assemblies utilizing a plurality of the aforementioned pins are also disclosed. The invention further includes embodiments of a method of manufacturing a compliant pin wherein, in one embodiment, at least one compliant portion having a cavity is formed into a wire, comprising the steps of coining the wire in at least one place such that a cavity having walls is created; and thereafter forming the walls of the cavity into a desired shape and configuration.

Abstract: The electrical connector of the present invention is equipped with contacts that are secured in a housing. The contacts are formed to have a pair of spring members surrounding a contact receiving opening. The housing has contact receiving cavities for accommodating each contact. Each contact receiving cavity is contoured to have a base wall, a mating contact receiving opening passing through the base wall and a rail projecting from the base wall, the rail extending along the base wall on opposite sides of the mating contact receiving opening. During contact insertion the spring members grip the rail to angularly orient the contact within the contact receiving cavity.

Abstract: An electrical connector comprises an insulative housing (20) and a plurality of first and second-type contacts (40, 50) received in the housing. The housing forms a pair of elongate ledges (23) running lengthwise along a bottom face (21) thereof. A plurality of pockets (231) is transversely defined through each ledge. A plurality of first and second passageways (25, 27) is defined through the bottom face of the housing for respectively receiving the first and the second-type contacts. Each second-type contact is of a conventional press-fit design. Each first-type contact includes a compliant pin at a lower end for being attached into a PCB and a mating portion at an upper end for electrically connecting with a mating contact of a mating connector, with a pair of supporting shoulders projecting from the upper end of the compliant pin for being retained in a corresponding pocket of a ledge.

Abstract: A metal terminal is inserted into a contact hole of an electrical circuit substrate and makes electrical contact at the contact hole. The terminal has a stop member that abuts the substrate at a rearward end of the contact hole thereby preventing further insertion of the terminal, and a removal prevention portion that abuts the substrate at a forward end of the contact hole to resist accidental withdrawal of the terminal. The removal prevention portion is resiliently deformable to allow it to pass through the contact hole during insertion of the terminal. Contact elements between the stop member and the removal prevention portion make electrical contact with the contact hole.

Abstract: A C-shaped compliant contact is composed of a connection portion to be connected to an electric cable or the like, a press-fitting portion to be press-fitted in a through-hole of the printed circuit board, and a contact portion to contact a contact of a mating connector. The press-fitting portion has an inner periphery forming a U-shaped groove in section and an outer periphery forming at least one arc portion. The circle inscribing the inner periphery of the U-shaped groove is in an eccentric relation to the arc portion of the outer periphery. The thickness of the arc portion in cross-section progressively decreasing on proceeding toward the open end of the U-shaped groove to make longer the arc portion contacting the through-hole of the printed circuit board.

Abstract: An electrical connector comprises an insulative housing defining a number of contact receiving cavities and a same number of contacts respectively received in the contact receiving cavities. The housing includes a number of blocks each extending into a corresponding contact receiving cavity, thereby defining two guiding grooves spaced by the corresponding block. Each contact comprises two engaging flanges fixed in corresponding guiding grooves and being biased to a corresponding block, thereby securing the contact in the corresponding contact receiving cavity.

Abstract: A contact element (4) comprises a fixed section (5) inserted into the slot (2) along the first minor side of the slot, a flexible section (6) extending from the fixed section toward the second minor side of the slot in a plane and being flexible in the plane, and contact portions (7A, 7B) extending from the flexible section so as to project from the major faces of a housing (1). The fixed section, the flexible section, and the contact portions are in the plane parallel to the major faces of the slot. A conductive layer or sheet (3) is provided on the major sides of the slot. A sliding contact (8A, 8B) are provided near the contact portions are brought into sliding contact with the conductive layer or sheet.

Abstract: A C-shaped compliant contact is composed of a connection portion to be connected to an electric cable or the like, a press-fitting portion to be press-fitted in a through-hole of the printed circuit board, and a contact portion to contact a contact of a mating connector. The press-fitting portion has an inner periphery forming a U-shaped groove in section and an outer periphery forming at least one arc portion. The circle inscribing the inner periphery of the U-shaped groove is in an eccentric relation to the arc portion of the outer periphery. The thickness of the arc portion in cross-section progressively decreasing on proceeding toward the open end of the U-shaped groove to make longer the arc portion contacting the through-hole of the printed circuit board.

Abstract: A method of forming a solid compliant connector contact which permits the compliant portion to be formed rapidly and inexpensively. Cylindrical bar stock is turned to form the outer contour of the contact, including a contact portion having a diameter larger than an opening into which it will be inserted in use. The contact is made compliant by plunging a cutter having a circular blade rotating about a center of the blade into the contact portion and removing the circular blade from the contact portion to form the slot to have a generally arcuate shape corresponding to the shape of the circular blade. The contact portion is resiliently deformable upon insertion into the opening for exerting a radially outward force within the opening to hold the contact in electrical contact with the opening.

Abstract: A press-in contact and manufacturing method thereof, which is forced into a through-hole covered with metallic film on the inside of a hole of a printed board, for connecting to the through-hole electrically and mechanically. A press fitting section of the press-in contact can be manufactured easily. The press-in contact always exercises stable electrical and mechanical characteristic in relation to wide variation of inner diameter of the through-hole. The press-in contact includes one side being connected to a base section through respective connecting sections; and another side provided with at least a first and second contact wing sections. The base section and the first and the second contact wing sections are connected to the through-hole electrically and mechanically at the time of press fitting to the through-hole, and the first and second contact wing sections are connected to the connecting section.

Abstract: A compliant press-fit pin for electrically coupling a first board to a second board via a plated through hole formed in the second board, includes: an upper part for electrically fixing the first board; a lower part for electrically coupling the first board to a third board via the plated through hole formed in the second board; and a press-fit part located between said upper part and said lower part and containing a fixed beam and a compliant cantilever beam, for electrically coupling the first board fixed to said press-fit part to the second board, wherein the fixed beam and the compliant cantilever beam provide a retention force against a wall of the plated through hole, thereby electrically press-fitting the compliant press-fit pin into the plated through hole, when said press-fit part is inserted into the plated through hole.

Abstract: A press fit contact for through hole mounting has a longitudinal axis and a contact portion along the axis for mounting with an associated electrical component to make electrical contact therewith. A leg portion is configured and dimensioned to be inserted through a mounting plated through hole of a support member. The leg portion includes an interference element along at least a portion thereof dimensioned to be receivable within the plated through hole to establish a press-fit or interference-fit and mechanical and electrical contact with the plating on the mounting hole. An intermediate portion is provided between and integrally formed with the contact and leg portions, the portions all being generally aligned along the longitudinal axis. A pressure-bearing, in each instance element, in the form of one or more holes and with or without associated blade tabs, is formed on the intermediate portion within the perimeter or inside the lateral edges defined by the intermediate portion.

Abstract: A novel press-fit electrically-conductive contact member, as, for example, an electrically-conductive metal pin, characterized by a conforming section which has an elastically-deformable region which acts as a spring and which is adapted to engage a substrate hole in a press-fitting relationship. The conforming section comprises opposed beam members configured to accommodate a considerably larger hole tolerance yet still provide sufficient retention force to stabilize the pin during a soldering process that such substrates may typically undergo. The beam cross-sections are configured to allow them to occupy a side-by-side position. Contact members with the conforming section can be manufactured by a wire-forming process in which end-to-end connected pins are formed as a continuous strip needing no excess material for carrying the pins, nor are any air gaps formed between the pins, and thus the finished continuous strip of pins can be wound up on a reel.

Abstract: A contact element for insertion and fastening in a through-contacted borehole provided in a carrier, for example, a printed circuit board, is disclosed. The contact element has a fastening region provided for insertion into the borehole, a connection region lying opposite the fastening region for connecting a plug, and a base region lying between the fastening and connection regions. The fastening region includes a pin having a collar at a distance from base region. The collar forms an application surface on the carrier, and the pin has a slot-shaped cutout extending over its entire length proceeding from base region of contact element up to its free end.

Abstract: A card edge connector (10) includes an elongated housing (12) defining a central slot (14) for receiving the corresponding card therein and a plurality of passageways (16) by two sides of the central slot (14). A plurality of contacts (22) are received within the corresponding passageways (16), respectively. Each of the contacts (24) includes a horizontal base (26), from which two beams (27, 28) respectively extend upwardly therefrom for mutually cooperative transmitting high speed signals, and a third beam (32) extends upward proximate the outermost end (34) of the base (26) for guidance and retention of the contact (24) with regard to the housing (12). A retention section (42) is positioned at the innermost end (43) of the base (26). Correspondingly, an retention wall (20) is formed within each passageway (16) for guidable and interferential engagement with the third beam (32) of the corresponding contact (24) in the passageway (16).

Abstract: Disclosed is a stackable contact system and a contact for use therein. The contact has a tuning fork socket and a cylindrical pin with a bowed compliant middle section for press fitting into a printed circuit board. Multiple contacts are mounted in two insulative housing parts having cavities, apertures and passages for holding the contacts in position. The contact systems may have a printed circuit board sandwiched between them, and multiple layer stacks may be formed.

Abstract: A press-in pin includes an elastic, cross sectionally bow-shaped press-in region having a bow section, two longitudinal sides and lateral flares at opposing locations on the two longitudinal sides. In a pressed-in condition, the press-in region rests against a bore wall only with the flares, but not with the bow section. Such a press-in pin has a very favorable resilience behavior and practically speaking, is only elastically deformed.

Abstract: A female terminal fitting 20 is provide to prevent solder portions from shaking in a connector for a printed circuit board. The female terminal fitting 20 includes a connection portion 21, a board connection piece 22 continuously connected with the rear end of the connection portion 21 and a solder portion 22A formed at the end of the board connection piece 22. A pair of elastic holding portions 23 extend from opposite sides of the rear end of the connection portion 21. When the terminal fitting 20 is mounted into a terminal cavity 11, the elastic holding portions 23 are brought into contact with the inner walls of the terminal cavity 11 by their elastic force. As a result, displacement of the terminal fitting 20 and shaking of the solder portion 22B can be prevented.