# US 2014/0194006 A1 · Lower profile card edge connector > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0194006 A1 - Document ID: US20140194006A1 - Status: Published application - Kind: A1 - Application number: 14/150,785 - Filed: 2014-01-09 - Published: 2014-07-10 - Earliest claimed: 2013-01-09 - Assignees: Hon Hai Precision Industry Co., Ltd. - Applicants: Hon Hai Precision Industry Co., Ltd. - Inventors: KUO-CHUN HSU; ZHEN-HUA WANG; FENG-LAN LIU - Web page: https://patentgrep.com/patent/US20140194006A1 ## CPC - H01R 12/716: {Coupling device provided on the PCB} - H01R 12/721: {cooperating directly with the edge of the rigid printed circuits} - H01R 13/64: Means for preventing incorrect coupling - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A card edge connector for being retained into a notch of a print circuit board includes an insulative housing defining a central slot extending along a longitudinal direction, a first wall and a second wall located on the opposite sides of the central slot and a fitting portion extending downwardly into the notch from a bottom portion of the first wall, the fitting portion defining a plurality of first terminal slots and the second wall defining a plurality of second terminal slots. A plurality of first terminals are received in the first terminal slots, and a plurality of second terminals are received in the second terminal slots. Each first terminal defines a first retaining portion received in the first terminal slot and a first soldering portion extending out of the housing forwardly, each second terminal defines a second soldering portion rearwardly extending out of the housing. ## Claims ### Claim 1 A card edge connector for being retained into a notch of a print circuit board, comprising: an insulative housing defining a central slot extending along a longitudinal direction, a first wall and a second wall located on the opposite sides of the central slot and a fitting portion extending downwardly into the notch from a bottom portion of the first wall, the fitting portion defining a plurality of first terminal slots and the second wall defining a plurality of second terminal slots; a plurality of first terminals retained in the insulative housing and received in the first terminal slots; and a plurality of second terminals retained in the insulative housing and received in the second terminal slots; wherein each first terminal defines a first retaining portion received in the first terminal slot of the fitting portion and a first soldering portion extending out of the housing forwardly from the first wall, each second terminal defines a second soldering portion rearwardly extending out of the housing. ### Claim 2 (depends on 1) The card edge connector as described in claim 1, wherein the first and second soldering portions arrange on opposite edges of the notch of the motherboard. ### Claim 3 (depends on 1) The card edge connector as described in claim 1, wherein the fitting portion is located in the notch of the motherboard but does not exceed the lower surface of the motherboard. ### Claim 4 (depends on 1) The card edge connector as described in claim 1, wherein each first terminal also defines a first contacting arm extending rearwardly from the first retaining portion and a first connecting portion located in the first wall and the fitting portion and connecting the first retaining portion and the first soldering portion, the first contacting arm is resilient and has a first contacting portion upwardly projecting into the central slot. ### Claim 5 (depends on 4) The card edge connector as described in claim 4, wherein the insulative housing defines a rear wall connecting to the first and second walls, each second terminal slot runs through the rear wall to form a fixing slot in the rear wall. ### Claim 6 (depends on 5) The card edge connector as described in claim 5, wherein each second terminal defines a second retaining portion received in the second terminal slot, a second contacting arm bending and extending forwardly from the retaining portion, a second soldering portion extending rearwardly from the retaining portion and a second connecting portion received in the fixing portion and connecting with the second retaining portion and the second soldering portion, the second contacting arm is resilient and has a second contacting portion projecting into the central slot. ### Claim 7 (depends on 1) The card edge connector as described in claim 1, wherein the first and second terminal slots are located on the opposite sides of the central slot and offset from each other in the longitudinal direction. ### Claim 8 (depends on 7) The card edge connector as described in claim 7, wherein the first wall forwardly projects beyond the second wall so as to form an obliquely upward insertion port in the front of the central slot. ### Claim 9 A card edge connector, comprising: an insulative housing defining a central slot extending along a longitudinal direction, a first wall and a second wall located on the opposite sides of the central slot and a rear wall connecting the first and second walls; a plurality of first terminals retained in the first wall of the insulative housing and each including a first contacting arm extending into the central slot and a first soldering portion extending outside of the insulative housing; and a plurality of second terminals retained in the second wall of the insulative housing and each including a second contacting arm extending into the central slot and a second soldering portion extending outside of the insulative housing in an opposite direction of the first soldering portion; wherein the first and second soldering portions are located in a same mounting plane which is higher than the bottom face of the first wall. ### Claim 10 (depends on 9) The card edge connector as described in claim 9, wherein each first terminal defines a first retaining portion lower than the mounting plane, and the first soldering portion is located between the first retaining portion and the first contacting arm in a vertical direction perpendicular to the mounting plane. ### Claim 11 (depends on 9) The card edge connector as described in claim 9, wherein the second terminal defines a second retaining portion higher than the second soldering portion. ### Claim 12 A card edge connector assembly comprising: a printed circuit board defining a through opening extending through opposite upper and lower surfaces of said printed circuit board in a vertical direction and circumferentially bounded by corresponding edge sections of the printed circuit board essentially composed of opposite front and rear edge sections and opposite side edge sections; an elongated insulative housing defining a horizontal card receiving slot located between opposite upper and lower walls in a longitudinal direction perpendicular to said vertical direction; a plurality of upper contacts disposed in the upper wall with resilient upper contacting sections extending into the card receiving slot and upper tail sections soldered to the printed circuit board around the rear edge sections; and a plurality of lower contacts disposed in the lower wall with resilient lower contacting sections extending into the card receiving slot and lower tail sections soldered to the printed circuit board around the front edge sections; wherein a lower portion of the lower wall of the housing being a fitting portion, is disposed in the through opening. ### Claim 13 (depends on 12) The card edge connector assembly as claimed in claim 12, wherein a bottom face of the lower wall is located at a level higher than that of the lower surface of the printed circuit board. ### Claim 14 (depends on 12) The card edge connector assembly as claimed in claim 12, wherein the housing forms a pair of step structures by two lateral sides of the fitting portion to be seated upon the upper surface of the printed circuit board around the corresponding side edge sections. ### Claim 15 (depends on 12) The card edge connector assembly as claimed in claim 12, wherein the horizontal card receiving slot is located at a level higher than that of the upper surface of the printed circuit board. ### Claim 16 (depends on 12) The card edge connector assembly as claimed in claim 12, wherein the lower wall defines a plurality of lower passageways configured to allow the lower contacts to be rearwardly assembled thereinto in a front-to-back direction perpendicular to both said vertical direction and said longitudinal direction. ### Claim 17 (depends on 12) The card edge connector assembly as claimed in claim 12, wherein the upper wall defines a plurality of upper passageways configured to allow the upper contacts to be forwardly assembled thereinto in a front-to-back direction perpendicular to both said vertical direction and said longitudinal direction. ### Claim 18 (depends on 12) The card edge connector assembly as claimed in claim 12, wherein both said upper tail sections and said lower tail sections are surface-mounted onto the upper surface of the printed circuit board. ### Claim 19 (depends on 12) The card edge connector assembly as claimed in claim 12, wherein the housing forms a pair of step structures beside the fitting portion confronting the upper surface of the printed circuit board around the corresponding front and rear edge sections. ### Claim 20 (depends on 12) The card edge connector assembly as claimed in claim 12, wherein the upper wall is rearwardly offset from the lower wall for compliance with a slantingly inserted memory module.