# US 2017/0288341 A1 · Housing for connecting to a plug connector part > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0288341 A1 - Document ID: US20170288341A1 - Status: Published application - Kind: A1 - Application number: 15/507,276 - Filed: 2015-08-26 - Published: 2017-10-05 - Earliest claimed: 2014-09-02 - Assignees: Phoenix Contact GmbH & Co. KG - Applicants: Phoenix Contact GmbH & Co. KG - Inventors: Manuel Tuenker - Web page: https://patentgrep.com/patent/US20170288341A1 ## CPC - H01R 13/518: for holding or embracing several coupling parts, e.g. frames - H01R 13/64: Means for preventing incorrect coupling - H01R 13/627: Snap or like fastening - H01R 13/6456: {comprising keying elements at different positions along the periphery of the connector} - H01R 13/6596: the conductive member being a metal grounding panel - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A housing for connecting to a plug connector part includes a plug-in opening, into which the plug connector part can be plugged in a plug-in direction; a wall which surrounds the plug-in opening; and a coding device which has at least one coding projection that protrudes inwards from the wall into the plug-in opening transversely to the plug-in direction and is designed to allow the plug connector part to be plugged into the plug-in opening in a specified angular position about the plug-in direction. The wall may have a first wall portion and a second wall portion which adjoins the first wall portion axially in the plug-in direction. The second wall portion may be offset outwards relative to the first wall portion in a direction transverse to the plug-in direction. ## Claims ### Claim at position 1 1: A housing for connection to a plug connector part, the housing comprising: an insertion opening into which the plug connector part can be inserted in an insertion direction; a wall surrounding the insertion opening; and a coding apparatus including a coding protrusion which protrudes inwards from the wall into the insertion opening transversely to the insertion direction, wherein the coding protrusion is configured to allow the plug connector part to be inserted into the insertion opening in a predetermined angular position about the insertion direction, wherein the wall includes a first wall portion and a second wall portion, axially adjoining the first wall portion in the insertion direction, and wherein the second wall portion is offset from the first wall portion towards the outside in a direction transverse to the insertion direction. ### Claim at position 2 (depends on 1) 2: The housing of claim 1, wherein the insertion opening has a first opening width at the first wall portion and a second opening width at the second wall portion, wherein the second opening width is larger than the first opening width as measured transversely to the insertion direction. ### Claim at position 3 (depends on 2) 3: The housing of claim 2, wherein the wall is substantially cylindrical at the first wall portion and at the second wall portion, and wherein the first opening width corresponds to a diameter of the insertion opening at the first wall portion and the second opening width corresponds to a diameter of the insertion opening at the second wall portion. ### Claim at position 4 (depends on 1) 4: The housing of claim 1, wherein the coding protrusion extends in the insertion direction over an entire height of the second wall portion, as measured in the insertion direction. ### Claim at position 5 (depends on 1) 5: The housing of claim 1, wherein the coding apparatus includes at least two coding protrusions that form a coding groove therebetween that extends in the insertion direction. ### Claim at position 6 (depends on 5) 6: The housing of claim 5, wherein the coding groove has a first width, as measured in a circumferential direction about the insertion direction, wherein the coding groove adjoins an entry point, when viewed in the insertion direction, and wherein the entry point has a second width that is smaller than the first width, as measured in the circumferential direction. ### Claim at position 7 (depends on 6) 7: The housing of claim 6, wherein the entry point is arranged on the first wall portion. ### Claim at position 8 (depends on 1) 8: The housing of claim 1, wherein the coding apparatus includes a plurality of coding grooves which are offset from one another in a circumferential direction about the insertion direction. ### Claim at position 9 (depends on 8) 9: The housing of claim 8, wherein at least two of the coding grooves have different widths as measured in the circumferential direction. ### Claim at position 10 (depends on 1) 10: The housing of claim 1, wherein the second wall portion has a larger opening width than the first wall portion, as measured between coding grooves which are opposite one another within the insertion opening in a direction transverse to the insertion direction. ### Claim at position 11 (depends on 1) 11: An electrical device, comprising: the housing claim 1; and a shielding plate which extends transversely to the insertion direction, wherein the shielding plate is connected to the wall of the housing, and wherein the shielding plate adjoins the wall when viewed in the insertion direction. ### Claim at position 12 (depends on 11) 12: The electrical device of claim 11, wherein the shielding plate defines the insertion opening in the insertion direction, and wherein the shielding plate includes an engagement opening configured to receive a latch element of the plug connector part in a latching manner. ### Claim at position 13 (depends on 11) 13: The electrical device of claim 11, further comprising: a contact pin, which extends in the insertion direction from the shielding plate into the insertion opening, connected to the shielding plate, and wherein the contact pin includes an electric contact. ### Claim at position 14 (depends on 11) 14: The device of claim 11, further comprising: a printed circuit board arranged at a spacing from the shielding plate when viewed in the insertion direction. ### Claim at position 15 (depends on 1) 15: An apparatus, comprising: the housing of claim 1; and the plug connector part, configured to be brought into plugged engagement with the insertion opening in the housing. ### Claim at position 16 (depends on 15) 16: The apparatus of claim 15, wherein the plug connector part includes an insertion head and a coding rib arranged on the insertion head, wherein the coding rib extends in the insertion direction, and wherein the coding rib can be brought into engagement with a coding groove on the insertion opening. ### Claim at position 17 (depends on 16) 17: The apparatus of claim 16, wherein an extension length of the coding rib, as measured in the insertion direction, is no larger than a height of the coding groove, as measured in the insertion direction. ### Claim at position 18 (depends on 17) 18: The apparatus of claim 17, wherein the insertion head has a length, as measured in the insertion direction, the length of the insertion head substantially corresponding to the height of the wall of the housing, as measured in the insertion direction, wherein the extension length of the coding rib is shorter than the length of the insertion head. ### Claim at position 19 (depends on 15) 19: The apparatus of claim 15, wherein the plug connector part includes a latch element arranged on a plug-in assembly, wherein the latch element can be brought into latching engagement with the housing, wherein the plug connector part further includes an adjustment part that can be adjusted relative to a plug-in assembly, and wherein the adjustment part is configured to act on the latch element when actuated in order to release an engagement between the latch element and the housing.