# US 7,744,422 B2 · Electrical card connector for receiving at least two electrical cards > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,744,422 B2 - Document ID: US7744422B2 - Status: Granted - Kind: B2 - Application number: 12/319,480 - Filed: 2009-01-07 - Published: 2009-07-09 - Granted: 2010-06-29 - Earliest claimed: 2008-01-07 - Assignees: Hon Hai Precision Ind. Co., Ltd. - Inventors: Chien-Jen Ting; Hung-Chi Yu - Web page: https://patentgrep.com/patent/US7744422B2 ## CPC - H01R 27/00: Coupling parts adapted for co-operation with two or more dissimilar counterparts ({for dissimilar contact members H01R13/35}; supported only by co-operation with a counterpart H01R31/00; with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/90) - H01R 12/725: {containing contact members presenting a contact carrying strip, e.g. edge-like strip} - H01R 12/88: acting manually by rotating or pivoting connector housing parts - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract The present invention relates to an electrical card connector comprising: a first connector with a plurality of first contacts; a second connector located at the lateral side of the first connector and with a plurality of second contacts; a PCB located at the bottom of the first connector and the second connector; a shell covering the first connector; a bottom plate mounted at the bottom of the shell; the first connector and the second connector are held on the same side of the PCB, a first receiving room is defined between the shell and the bottom plate, and the second receiving room is defined between the bottom plate and the PCB. ## Claims ### Claim 1 An electrical card connector assembly comprising: a first connector with a plurality of first contacts for mating with an express card, a second connector located at a lateral side of the first connector and with a plurality of second contacts for the second connector for mating with a smart card; a PCB located at a bottom of the first connector and the second connector; a shell covering the first connector; a bottom plate mounted at a bottom of the shell; an ejector mounted on a lateral side of the shell; the bottom plate is attached to the shell and located at a top of the second connector, which comprises a main plate, a front wall extending downwardly from a front of the main plate, a pair of vertical portions extending downwardly from opposite sides of the main plate and a bending portion extending inwardly from each of the vertical portions; lateral sides of the main plate form a plurality of hooks, which mate with holes of the shell for holding the bottom plate on the bottom of the shell; the main plate, the vertical portion and the bending portion define a guiding slot for guiding the smart card; wherein the second connector comprises a switch contact, aligned with a front wall of the bottom plate in a vertical direction; wherein the first connector and the second connector are held on the same side of the PCB, a first receiving room is defined between the shell and the bottom plate, and a second receiving room is defined between the bottom plate and the PCB. ### Claim 2 (depends on 1) The electrical card connector assembly as claimed in claim 1, wherein the first connector comprises an insulative housing extending to form an extending portion, the extending portion being higher than the second connector. ### Claim 3 (depends on 1) The electrical card connector assembly as claimed in claim 1, wherein the second connector is located between the bottom plate and the PCB and is disposed in the second receiving room. ### Claim 4 (depends on 1) The electrical card connector assembly as claimed in claim 1, wherein the first receiving room has a same width with the second receiving room, and the first receiving room is higher than the second receiving room. ### Claim 5 (depends on 1) The electrical card connector assembly as claimed in claim 1, wherein a height between the main plate and the PCB is corresponding to a height of an extending portion of the first connector. ### Claim 6 (depends on 5) The electrical card connector assembly as claimed in claim 5, wherein the shell comprise an L-shaped main portion. ### Claim 7 (depends on 1) The electrical card connector assembly as claimed in claim 1, wherein the first contacts and the second contacts are soldered on a same side of the PCB, and the second contacts are located behind of the first contacts. ### Claim 8 (depends on 7) The electrical card connector assembly as claimed in claim 7, wherein the second contacts have respective first ends arranged in two rows and respective second ends soldered on the PCB arranges in one row. ### Claim 9 (depends on 1) The electrical card connector assembly as claimed in claim 1, wherein the shell comprises a narrow portion and a wide portion, and the bottom plate is assembled on a wide portion of the shell. ### Claim 10 (depends on 9) The electrical card connector assembly as claimed in claim 9, wherein, the ejector comprises a push rod, a spring and a link pin and an ejecting rod. ### Claim 11 (depends on 10) The electrical card connector assembly as claimed in claim 10, wherein the bottom plate comprises the front wall extending downwardly from the front thereof, and the front wall is located behind the narrow portion of the shell. ### Claim 12 (depends on 11) The electrical card connector assembly as claimed in claim 11, wherein the switch contacts are located at a front side of the second contacts. ### Claim 13 An electrical stack card connector comprising: a first connector for mating with an express card; a second connector located at a rear of the first connector and for mating with a smart card; a shell covering on the first connector; an ejector mounted on a lateral side of the shell; a bottom plate assembled on a bottom of the shell and located on a top of the second connector; the bottom plate is attached to the shell and located at a top of the second connector, which comprises a main plate, a front wall extending downwardly from a front of the main plate, a pair of vertical portions extending downwardly from opposite sides of the main plate and a bending portion extending inwardly from each of the vertical portions; lateral sides of the main plate form a plurality of hooks, which mate with holes of the shell for holding the bottom plate on the bottom of the shell; the main plate, the vertical portion and the bending portion define a guiding slot for guiding the smart card; a first receiving room has a same width with a second receiving room and the first receiving room is higher than the second receiving room; wherein the second connector comprises a switch contact, aligned with the front wall of the bottom plate in a vertical direction; wherein the first connector and the second connector are mounted on a same side of a PCB, the bottom plate comprises the front wall and a pair of guiding slots, the guiding slots extend in a card insertion direction for guiding the card, and the front wall is located at the front of the main plate for stopping the card excessively. ### Claim 14 (depends on 13) The electrical stack card connector as claimed in claim 13, wherein the first receiving room is defined between the shell and the bottom plate, and the second receiving room is defined between the bottom plate and the PCB. ### Claim 15 (depends on 14) The electrical stack card connector as claimed in claim 14, wherein the first receiving room is stacked with the second receiving room, and the first receiving room is shallower than the first receiving room in the card insertion direction. ### Claim 16 (depends on 15) The electrical stack card connector as claimed in claim 15, wherein the first connector extends downwardly and forms an extending portion, and the extending portion is higher than the second connector. ### Claim 17 (depends on 16) The electrical stack card connector as claimed in claim 16, wherein the opposite sides of the bottom plate form a plurality of hooks for holding the bottom plate on the bottom of the shell. ### Claim 18 An electrical eject card connector assembly comprising: the switch contacts; first and second connectors stacked with each other; the first connector defining an L-shaped receiving cavity, in a top view, with a front large space and a rear small space thereof; a plurality of first contacts disposed in the rear small space; the second connector defining a rectangular receiving cavity configured and dimensioned similar to said front large space; and a plurality of second contacts disposed in a rectangular space; wherein the L-shaped receiving cavity is thicker than the rectangular receiving cavity; a L-shaped receiving cavity is defined by a first metallic shell, the rectangular receiving cavity is defined by a second metallic shell, and a pair of standoffs retainably engaging said first metallic shell and said second metallic shell; a second metallic shell which defines at least a stopper at a front edge thereof to avoid excessive forward movement of an electronic card which is inserted into the rectangular receiving cavity; said second shell is assembled on a bottom of the first shell and located on a top of the second connector; a second shell comprise a main plate, a front wall extending downwardly from a front of the main plate, a pair of vertical portions extending inwardly from the vertical portion; lateral sides of the main plate form a plurality of hooks, a guiding slot for guiding the smart card. ### Claim 19 (depends on 18) The electrical eject card connector as claimed in claim 18, wherein an ejector comprises a push rod, a spring and a link pin and an ejecting rod. ### Claim 20 (depends on 18) The electrical eject card connector as claimed in claim 18, wherein the switch contacts are located at a front side of the second contacts.