# US 11,114,788 B2 · PCB direct connector having two-row terminal structure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,114,788 B2 - Document ID: US11114788B2 - Status: Granted - Kind: B2 - Application number: 16/759,423 - Filed: 2019-05-09 - Published: 2020-08-27 - Granted: 2021-09-07 - Earliest claimed: 2018-06-12 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Sung-Gyu Kim - Web page: https://patentgrep.com/patent/US11114788B2 ## CPC - H01R 12/721: {cooperating directly with the edge of the rigid printed circuits} - H01R 12/774: {Retainers} - H01R 12/58: terminals for insertion into holes - H01R 12/7005: {Guiding, mounting, polarizing or locking means; Extractors (for printed circuit boards H05K)} - H01R 12/716: {Coupling device provided on the PCB} - H01R 12/89: acting manually by moving connector housing parts linearly, e.g. slider - H01R 13/2435: {with opposite contact points, e.g. C beam} - H01R 13/2457: {consisting of at least two resilient arms contacting the same counterpart} - H01R 13/26: Pin or blade contacts for sliding co-operation on one side only {(for modular jack type connectors H01R24/62)} - H01R 13/4361: {Insertion of locking piece perpendicular to direction of contact insertion} - H01R 13/502: composed of different pieces (H01R13/514 takes precedence) - H01R 13/6272: {comprising a single latching arm} - H01R 13/629: Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure {electrical locking indicators, manufacturing tolerances (separate tools or apparatus H01R43/26)} - H01R 13/631: for engagement only - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A PCB direct connector is directly mounted to a circuit board, and the PCB direct connector includes terminal members arranged in two rows to respectively contact upper conductive patterns and lower conductive patterns provided to an upper surface and a lower surface of the circuit board, and a connector housing configured to accommodate the terminal members therein and allow a connector connection portion formed at one side of an end of the circuit board to be fitted into and released from the connector housing. ## Claims ### Claim 1 A PCB direct connector comprising: terminal members arranged in two rows to contact upper conductive patterns provided to an upper surface of a circuit board and lower conductive patterns provided to a lower surface of the circuit board, respectively; a connector housing configured to accommodate the terminal members therein and configured to allow a connector connection portion formed at an end of a first side of the circuit board to be fitted into and released from the connector housing; and a latch positioned on the connector housing, wherein the latch includes a hook at a first end thereof so as to be hooked to a fastening hole positioned in the circuit board, wherein the PCB direct connector is directly mounted to the circuit board by the latch. ### Claim 2 (depends on 1) The PCB direct connector according to claim 1, wherein the connector housing includes an upper plate and a lower plate, and wherein respective front portions of the upper plate and the lower plate are spaced apart from each other by at least a thickness of the circuit board so that the connector connection portion is capable of being inserted therebetween to a predetermined depth, and wherein respective rear portions of the upper plate and the lower plate are connected to each other to form a single body. ### Claim 3 (depends on 2) The PCB direct connector according to claim 2, wherein the respective rear portions of the upper plate and the lower plate include insert holes into which respective pairs of the terminal members are inserted. ### Claim 4 (depends on 3) The PCB direct connector according to claim 3, wherein the terminal members include: a terminal body having: a horizontal body configured to extend toward a portion where a signal transmission cable is connected; and a pair of vertical bodies configured to extend in a common direction orthogonal to the horizontal body with a gap having a predetermined width therebetween, wherein the terminal body is configured to be interposed in the insert hole; and a contact portion configured to extend from the terminal body so that at least a part of the contact portion has a curved shape to elastically contact the upper surface or the lower surface of the circuit board, wherein the contact portion is configured to be interposed at a front portion of the connector housing. ### Claim 5 (depends on 4) The PCB direct connector according to claim 4, wherein the terminal members include first-row terminal members and second-row terminal members symmetrically arranged inside the connector housing, wherein the connector housing includes a side hole formed in at least one side surface thereof in a direction intersecting with the insert holes so as to communicate with a space surrounded by terminal bodies of the first-row terminal members and terminal bodies of the second-row terminal members, and wherein the PCB direct connector further comprises a retainer inserted into the side hole to integrally fix the first-row terminal members and the second-row terminal members. ### Claim 6 (depends on 5) The PCB direct connector according to claim 5, wherein the connector housing includes a plurality of grooves formed by depressing a surface around the side hole, and wherein the retainer includes a stopper configured to engage with a part of the plurality of grooves. ### Claim 7 (depends on 2) The PCB direct connector according to claim 2, wherein the upper plate of the connector housing includes a first upper plate portion, a second upper plate portion, and the latch, and wherein the latch is positioned between the first upper plate portion and the second upper plate portion. ### Claim 8 (depends on 7) The PCB direct connector according to claim 7, wherein the latch includes: a shaft configured to protrude orthogonally to an upper surface of the lower plate positioned between the first upper plate portion and the second upper plate portion; and a latch plate configured to receive the hook, wherein the latch plate extends parallel to the upper plate, the latch plate being connected to the shaft to make a seesawing motion based on a motion of the shaft. ### Claim 9 (depends on 2) The PCB direct connector according to claim 2, wherein the connector housing includes opposing side surfaces, and wherein each opposing side surface includes a respective substrate holding rib configured to be fitted into a corresponding opposing end of the circuit board based on the connector connection portion. ### Claim 10 (depends on 9) The PCB direct connector according to claim 9, wherein each substrate holding rib is positioned at the rear portion of the upper plate and the rear portion of the lower plate, and wherein each substrate holding rib includes inlets formed with a width greater than the thickness of the circuit board, and wherein the width of the inlets gradually decreases in a direction along which an end of the circuit board is inserted. ### Claim 11 (depends on 3) The PCB direct connector according to claim 3, further comprising: an insert limit plate positioned at a border of a front portion and a rear portion of the connector housing to extend along a left and right width of the connector housing and form a predetermined wall for partially blocking outlets of the insert holes. ### Claim 12 (depends on 6) The PCB direct connector according to claim 6, wherein the retainer further includes a terminal support inserted into the side hole and interposed in the connector housing, and wherein the stopper protrudes at one side of the terminal support in a direction intersecting with a direction in which the terminal support extends. ### Claim 13 (depends on 6) The PCB direct connector according to claim 6, wherein the plurality of grooves of the connector housing include: at least one stopper placing groove configured to engage with the stopper; and at least one tool groove configured to receive a predetermined tool inserted therein at a location adjacent to the stopper placing groove. ### Claim 14 A PCB direct connector comprising: terminal members arranged in two rows to contact upper conductive patterns provided to an upper surface of a circuit board and lower conductive patterns provided to a lower surface of the circuit board, respectively; and a connector housing configured to accommodate the terminal members therein and configured to allow a connector connection portion formed at an end of a first side of the circuit board to be fitted into and released from the connector housing, wherein the PCB direct connector is directly mounted to a circuit board, and wherein the connector housing includes opposing side surfaces, and wherein each opposing side surface includes a respective substrate holding rib configured to be fitted into a corresponding opposing end of the circuit board based on the connector connection portion. ### Claim 15 (depends on 14) The PCB direct connector according to claim 14, wherein the connector housing includes an upper plate and a lower plate, wherein respective front portions of the upper plate and the lower plate are spaced apart from each other by at least a thickness of the circuit board so that the connector connection portion is capable of being inserted therebetween to a predetermined depth, and wherein respective rear portions of the upper plate and the lower plate are connected to each other to form a single body, wherein each substrate holding rib is positioned at the rear portion of the upper plate and the rear portion of the lower plate, and wherein each substrate holding rib includes inlets formed with a width greater than the thickness of the circuit board, and wherein the width of the inlets gradually decreases in a direction along which an end of the circuit board is inserted.