Cable clamping system for strain relief and grounding
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-007/00
H01R-013/58
H01R-013/6592
H01R-004/44
H01R-004/64
H01R-013/6594
출원번호
US-0353644
(2016-11-16)
등록번호
US-9966695
(2018-05-08)
발명자
/ 주소
Fernandez, Juan
Meghpara, Brijeshkumar
Figie, David A.
출원인 / 주소
Rockwell Automation Technologies, Inc.
대리인 / 주소
Fay Sharpe LLP
인용정보
피인용 횟수 :
0인용 특허 :
23
초록▼
An electronics module includes a housing including a wall. A cable clamp chassis projects outwardly from the housing wall. The cable clamp chassis includes first and second cable receiving locations respectively adapted to receive associated first and second cables. A clamp is secured to the cable c
An electronics module includes a housing including a wall. A cable clamp chassis projects outwardly from the housing wall. The cable clamp chassis includes first and second cable receiving locations respectively adapted to receive associated first and second cables. A clamp is secured to the cable clamp chassis by a fastener. The clamp is adapted to secure first and second associated cables in the first and second cable receiving locations. The fastener comprises a two-piece structure including a bolt and a head non-rotatably engaged with the bolt. The housing wall is provided as part of a sheet metal wall structure and the cable clamp chassis is cast metal or another monolithic conductive structure. The two-piece fastener comprises a carbon steel or stainless steel bolt and a cast metal or molded polymeric head that is non-rotatably engaged with a bolt head of the bolt.
대표청구항▼
1. An electronics module comprising: a housing including a wall;a cable clamp chassis projecting outwardly from the housing wall, said cable clamp chassis comprising first and second cable receiving locations respectively adapted to receive associated first and second cables;a clamp secured to said
1. An electronics module comprising: a housing including a wall;a cable clamp chassis projecting outwardly from the housing wall, said cable clamp chassis comprising first and second cable receiving locations respectively adapted to receive associated first and second cables;a clamp secured to said cable clamp chassis by a fastener, said clamp adapted to secure the first and second associated cables in the first and second cable receiving locations;wherein said fastener comprises a two-piece structure including a bolt and a head non-rotatably engaged with the bolt; and,wherein said cable clamp chassis further comprises: a base connected to said housing wall; and an elongated arm projecting outwardly from the base, wherein the first and second cable receiving locations are connected to an outer end of the arm. 2. The electronics module as set forth in claim 1, wherein said first and second cable receiving locations are located on opposite sides of an aperture defined in said cable clamp chassis such that said aperture is located between the first and second cable receiving locations, wherein said fastener extends through said aperture. 3. The electronics module as set forth in claim 2, wherein the arm, and wherein the first and second cable receiving locations are located on opposite sides of the outer end of the arm, and said aperture is defined in said arm. 4. The electronics module as set forth in claim 2, wherein said housing comprises a sheet metal wall structure that includes said wall as part thereof such that said wall is a sheet metal wall, and wherein said base of said cable clamp chassis is connected to the sheet metal wall of said housing by at least one base fastener, wherein said base fastener electrically connects said base of said cable clamp chassis to said sheet metal wall of said housing. 5. The electronics module as set forth in claim 1, wherein said clamp comprises first and second cable recesses, and wherein said fastener extends through aperture of said cable clamp chassis and through said clamp, and said fastener is engaged with a nut such that said fastener secures said clamp to said cable clamp chassis with said first and second cable recesses of said clamp located in opposed facing relation with said first and second cable receiving locations of said cable clap chassis, respectively, so that a first cable receiving space is defined between the first cable recess of the clamp and the first cable receiving location of the clamp chassis and a second cable receiving space is defined between the second cable recess of the clamp and the second cable receiving location of the clamp chassis, wherein said first and second cable receiving spaces are respectively adapted to accommodate and retain the first and second associated cables, with an EMI shield of each first and second associated cable electrically connected to said cable clamp chassis. 6. The electronics module as set forth in claim 5, wherein said housing comprises a sheet metal wall structure that includes said wall as part thereof such that said wall is a sheet metal wall, and wherein said base of said cable clamp chassis is connected to the sheet metal wall of said housing by at least one base fastener, wherein said base fastener electrically connects said base of said cable clamp chassis to said sheet metal wall of said housing. 7. The electronics module as set forth in claim 1, wherein: said cable clamp chassis comprises an aperture defined therein, and wherein said aperture of said clamp chassis comprises a counterbore including a transverse face comprising a plurality of locking projections; and,said head of said fastener comprises a plurality of locking projections that engage said locking projections of said transverse face of said counterbore to inhibit rotation of said fastener relative to said clamp chassis. 8. The electronics module as set forth in claim 7, wherein said locking projections of said transverse face of said clamp chassis counterbore and said locking projections of said fastener each comprise a plurality of locking teeth each comprising a ramped lock face. 9. The electronics module as set forth in claim 1, wherein said housing comprises a sheet metal wall structure that includes said wall as part thereof such that said wall is a sheet metal wall, and wherein said base of said cable clamp chassis is connected to the sheet metal wall of said housing by at least one base fastener, wherein said base fastener electrically connects said base of said cable clamp chassis to said sheet metal wall of said housing. 10. The electronics module as set forth in claim 9, wherein a printed circuit board assembly is connected to said sheet metal wall structure and wherein said base fastener electrically connects said base of said cable clamp chassis to a ground path of said printed circuit board. 11. An electronics module comprising: a housing including a wall;a cable clamp chassis projecting outwardly from the housing wall, said cable clamp chassis comprising first and second cable receiving locations respectively adapted to receive associated first and second cables;a clamp secured to said cable clamp chassis by a fastener, said clamp adapted to secure the first and second associated cables in the first and second cable receiving locations;wherein said fastener comprises a two-piece structure including a bolt and a head non-rotatably engaged with the bolt;wherein said bolt of said fastener comprises one of: (i) carbon steel; or (ii) stainless steel; and wherein said bolt comprises a threaded shank and a bolt head connected to said threaded shank; and,wherein said head of said fastener comprises a cast metal structure that is non-rotatably engaged with said bolt head. 12. The electronics module as set forth in claim 11, wherein said cast metal structure of said fastener head comprises a passage through which a threaded shank of said bolt extends, and comprises a counterbore connected to said passage, wherein said bolt head is located in said counterbore. 13. The electronics module as set forth in claim 12, wherein said counterbore comprises a non-circular cross-section that non-rotatably engages said bolt head. 14. An electronics module comprising: a housing including a wall;a cable clamp chassis projecting outwardly from the housing wall, said cable clamp chassis comprising first and second cable receiving locations respectively adapted to receive associated first and second cables;a clamp secured to said cable clamp chassis by a fastener, said clamp adapted to secure the first and second associated cables in the first and second cable receiving locations;wherein said fastener comprises a two-piece structure including a bolt and a head non-rotatably engaged with the bolt;wherein said bolt of said fastener comprises one of: (i) carbon steel; or (ii) stainless steel; and wherein said bolt comprises a threaded shank and a bolt head connected to said threaded shank; and,wherein said head of said fastener comprises a polymeric structure that is non-rotatably engaged with said bolt head. 15. The electronics module as set forth in claim 14, wherein said polymeric structure of said fastener head comprises a passage through which a threaded shank of said bolt extends, and comprises a counterbore connected to said passage, wherein said bolt head is located in said counterbore. 16. The electronics module as set forth in claim 15, wherein said counterbore comprises a non-circular cross-section that non-rotatably engages said bolt head. 17. The electronics module as set forth in claim 14, wherein said polymeric structure of said fastener head is overmolded onto said bolt. 18. The electronic module as set forth in claim 14, wherein said polymeric structure of said fastener head comprises a glass-filled polymeric structure.
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이 특허에 인용된 특허 (23)
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