# US 10,374,355 B2 · Asymmetric latches for pluggable transceivers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,355 B2 - Document ID: US10374355B2 - Status: Granted - Kind: B2 - Application number: 16/021,944 - Filed: 2018-06-28 - Published: 2019-01-10 - Granted: 2019-08-06 - Earliest claimed: 2017-07-07 - Assignees: Amphenol Corporation - Applicants: Amphenol Corporation - Inventors: Mark M. Ayzenberg; Jason Si - Web page: https://patentgrep.com/patent/US10374355B2 ## CPC - H01R 13/6275: {Latching arms not integral with the housing (H01R13/6276, H01R13/6277, H01R13/6278 take precedence)} - G02B 6/4261: {Packages with mounting structures to be pluggable or detachable, e.g. having latches or rails} - H01R 13/6582: with resilient means for engaging mating connector - H01R 13/6594: the shield being mounted on a PCB and connected to conductive members - H05K 9/0058: {specially adapted for optoelectronic applications} - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract An interconnection system including a pluggable transceiver and a connector disposed in a cavity of a conductive cage. The pluggable transceiver may include a latching mechanism for locking to the conductive cage. The latching mechanism may include a pair of latches positioned on opposite sides of the pluggable transceiver. The latches may be spatially offset from each other along a longitudinal and/or vertical direction. Corresponding latching tabs in the conductive cage may be disposed in the same relationship, even in a ganged configuration when latching tabs for adjacent cavities are formed in a common wall between cavities. Cammed surfaces of a release mechanism, centered between latching edges of the transceiver latches may impart a latch releasing force at a central portion of the latching tab forcing the lathing tab back into the common wall, reducing rotational moment applied in prior designs, such as QSFP ganged cages. ## Claims ### Claim 1 A pluggable transceiver configured to be mated to a connector along a first direction, the pluggable transceiver comprising: a housing comprising a back wall having an opening for receiving a cable therein and a bottom wall; a transceiver disposed within the housing, the transceiver comprising a plurality of signal contacts spaced from one another along a second direction; and a release slide connected to the housing and comprising first and second release elements, the first and second release elements being spatially offset from one another along the first direction and/or along a third direction perpendicular to the first and second directions. ### Claim 2 (depends on 1) The pluggable transceiver of claim 1, wherein the first release element is positioned at a first distance, along the first direction, from the back wall, and the second release element is positioned at a second distance, along the first direction, from the back wall, the second distance being different from the first distance. ### Claim 3 (depends on 1) The pluggable transceiver of claim 1, wherein the first release element is positioned at a first distance, along the third direction, from the bottom wall, and the second release element is positioned at a second distance, along the third direction, from the bottom wall, the second distance being different from the first distance. ### Claim 4 (depends on 3) The pluggable transceiver of claim 3, wherein the first release element is connected to the release slide through a jog. ### Claim 5 (depends on 4) The pluggable transceiver of claim 4, wherein the jog abuts a protrusion formed in the housing. ### Claim 6 (depends on 1) The pluggable transceiver of claim 1, wherein the release slide is configured to slide with respect to the housing when pulled away from the housing. ### Claim 7 (depends on 1) The pluggable transceiver of claim 1, further comprising a lanyard coupled to the release slide. ### Claim 8 (depends on 1) The pluggable transceiver of claim 1, further comprising a compliant member coupled between the housing and the release slide. ### Claim 9 (depends on 1) The pluggable transceiver of claim 1, wherein the transceiver comprises a paddle card, the paddle card having an edge that protrudes from an aperture formed in the housing. ### Claim 10 (depends on 1) The pluggable transceiver of claim 1, wherein the transceiver comprises an optical device. ### Claim 11 (depends on 1) The pluggable transceiver of claim 1, wherein each of the first and second release elements comprises a cammed surface forming a depression in the housing. ### Claim 12 (depends on 11) The pluggable transceiver of claim 11, wherein the cammed surface is a first cammed surface, and wherein each of the first and second release elements comprises a second cammed surface connected to a respective first cammed surface, the second cammed surface pointing away from the housing. ### Claim 13 (depends on 1) The pluggable transceiver of claim 1, wherein the first release element fits, at least partially, within a slot formed between a pair of latches. ### Claim 14 (depends on 1) The pluggable transceiver of claim 1, wherein the first direction matches with a longitudinal axis of the transceiver, and wherein the plurality of signal contacts and the back wall are at opposite ends of the pluggable transceiver along the longitudinal axis. ### Claim 15 A pluggable transceiver configured to be mated to a connector along a first direction, the pluggable transceiver comprising: a housing comprising a back wall having an opening for receiving a cable therein, and a bottom wall; a paddle card disposed within the housing, the paddle card comprising a plurality of signal contacts spaced from one another along a second direction; and a release slide elastically coupled to the housing and having first and second arms, the first arm extending farther than the second arm along the first direction. ### Claim 16 (depends on 15) The pluggable transceiver of claim 15, further comprising an optical transceiver mounted on the paddle card. ### Claim 17 (depends on 15) The pluggable transceiver of claim 15, wherein the release slide is configured to slide with respect to the housing when pulled away from the housing. ### Claim 18 (depends on 15) The pluggable transceiver of claim 15, further comprising a lanyard coupled to the release slide. ### Claim 19 (depends on 15) The pluggable transceiver of claim 15, wherein the first direction matches with a longitudinal axis of the pluggable transceiver, and wherein the plurality of signal contacts and the back wall are at opposite ends of the pluggable transceiver along the longitudinal axis. ### Claim 20 A pluggable transceiver configured to be mated to a connector along a first direction, the pluggable transceiver comprising: a housing comprising a back wall having an opening for receiving a cable therein, and a bottom wall; a paddle card disposed within the housing, the paddle card comprising a plurality of signal contacts spaced from one another along a second direction; and a release slide elastically coupled to the housing and comprising first and second arms having respective ends that are offset relative to each other along a third direction perpendicular to the first and second directions. ### Claim 21 (depends on 20) The pluggable transceiver of claim 20, wherein the end of the first arm is positioned at a first distance, along the third direction, from the bottom wall, and the end of the second arm is positioned at a second distance, along the third direction, from the bottom wall, the second distance being different from the first distance. ### Claim 22 (depends on 21) The pluggable transceiver of claim 21, wherein the first arm comprises a jog. ### Claim 23 (depends on 22) The pluggable transceiver of claim 22, wherein the jog curves in the third direction. ### Claim 24 (depends on 20) The pluggable transceiver of claim 20, wherein the release slide is configured to slide with respect to the housing when pulled away from the housing. ### Claim 25 (depends on 20) The pluggable transceiver of claim 20, further comprising a lanyard coupled to the release slide.