# US 10,310,203 B2 · Grounding structure of optical fiber cable > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,310,203 B2 - Document ID: US10310203B2 - Status: Granted - Kind: B2 - Application number: 15/850,785 - Filed: 2017-12-21 - Published: 2018-07-12 - Granted: 2019-06-04 - Earliest claimed: 2017-01-10 - Assignees: Fujikura Ltd. - Applicants: Fujikura Ltd. - Inventors: Katsushi Agata; Norihiro Momotsu - Web page: https://patentgrep.com/patent/US10310203B2 ## CPC - G02B 6/4403: {with ribbon structure (G02B6/4429, G02B6/4439, G02B6/4479 take precedence)} - G02B 6/4416: {Heterogeneous cables} - G02B 6/443: {Protective covering} - G02B 6/4434: {Central member to take up tensile loads} - G02B 6/441: {built up from sub-bundles (G02B6/4429, G02B6/4439, G02B6/4479 take precedence)} - G02B 6/4433: {Double reinforcement laying in straight line with optical transmission element} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A grounding structure of an optical fiber cable that includes a sheath, a plurality of optical fibers housed in the sheath, and a first tension member and a second tension member embedded in the sheath so as to interpose the optical fibers therebetween in a radial direction includes: a conductive member that electrically connects a first extending portion of the first tension member and a second extending portion of the second tension member. The first extending portion and the second extending portion extends from an end portion of the sheath. A length of the second extending portion in a longitudinal direction of the optical fiber cable is greater than a length of the first extending portion in the longitudinal direction. The second extending portion is held by a tension member holding portion and is electrically connected to a grounding circuit. ## Claims ### Claim 1 A grounding structure of an optical fiber cable, wherein the optical fiber cable comprises: a sheath, a plurality of optical fibers housed in the sheath, and a first tension member and a second tension member embedded in the sheath so as to interpose the optical fibers therebetween in a radial direction, the grounding structure comprising: a conductive member that electrically connects a first extending portion of the first tension member and a second extending portion of the second tension member, wherein the conductive member comprises: a first attachment portion attached to the first extending portion; a second attachment portion attached to the second extending portion; and a connection portion that connects the first attachment portion and the second attachment portion, wherein the connection portion is deformable, and a distance between the first and the second attachment portions is adjustable by deforming the connection portion, wherein: the first extending portion and the second extending portion extend from an end portion of the sheath, a length of the second extending portion in a longitudinal direction of the optical fiber cable is greater than a length of the first extending portion in the longitudinal direction, and the second extending portion is held by a tension member holding portion and is electrically connected to a grounding circuit. ### Claim 2 (depends on 1) The grounding structure of an optical fiber cable according to claim 1, wherein the conductive member is integrally formed of a plate-shaped metal material. ### Claim 3 (depends on 1) The grounding structure of an optical fiber cable according to claim 1, wherein the second tension member is electrically connected to the grounding circuit through the tension member holding portion. ### Claim 4 (depends on 1) The grounding structure of an optical fiber cable according to claim 1, wherein the tension member holding portion is provided in an optical connection device. ### Claim 5 (depends on 1) The grounding structure of an optical fiber cable according to claim 1, wherein the second tension member is located closer to a base member that is electrically connected to the grounding circuit than the optical fibers. ### Claim 6 (depends on 1) The grounding structure of an optical fiber cable according to claim 1, wherein the first attachment portion and the second attachment portion curl around the first extending portion and the second extending portion, respectively. ### Claim 7 (depends on 1) The grounding structure of an optical fiber cable according to claim 1, wherein the optical fibers are wrapped with a winding tape that extends from the end portion of the sheath. ### Claim 8 (depends on 1) The grounding structure of an optical fiber cable according to claim 1, wherein a cap covers an end portion of the first extending portion. ### Claim 9 A grounding structure of an optical fiber cable, wherein the optical fiber cable comprises: a sheath, a plurality of optical fibers housed in the sheath, and a first tension member and a second tension member embedded in the sheath so as to interpose the optical fibers therebetween in a radial direction, the grounding structure comprising: a conductive member that electrically connects a first extending portion of the first tension member and a second extending portion of the second tension member, wherein: the first extending portion and the second extending portion extend from an end portion of the sheath, the conductive member comprises: a first attachment portion attached to the first extending portion; a second attachment portion attached to the second extending portion; and a connection portion that connects the first attachment portion and the second attachment portion, the first attachment portion and the second attachment portion wind around the first extending portion and the second extending portion, respectively, a length of the second extending portion in a longitudinal direction of the optical fiber cable is greater than a length of the first extending portion in the longitudinal direction, and the second extending portion is held by a tension member holding portion and is electrically connected to a grounding circuit.