Optical fiber rack

• US 10,175,443 B1
• Filed: 02/12/2018
• Issued: 01/08/2019
• Est. Priority Date: 02/12/2018
• Status: Active Grant

• Current Assignee: SEI Optifrontier Co., Ltd., Japan Communication Accessories Manufacturing Co., Ltd. (Sumitomo Corporation), Sumitomo Electric Industries Limited (Sumitomo Corporation), Sumitomo Electric Lightwave Corp. (Sumitomo Corporation)
• Original Assignee: SEI Optifrontier Co., Ltd., Japan Communication Accessories Manufacturing Co., Ltd. (Sumitomo Corporation), Sumitomo Electric Industries Limited (Sumitomo Corporation), Sumitomo Electric Lightwave Corp. (Sumitomo Corporation)
• Inventors: Masuda, Kazuya, Yamauchi, Takayasu, Yokochi, Takayuki, Kondo, Takashi
• Primary Examiner(s): Petkovsek, Daniel
• Application Number:
  US15/893,940
• Time in Patent Office: 330 Days
• CPC Class Codes: G02B 6/4446 Cable boxes, e.g. splicing boxes with two or more multi fibre cables
• CPC Class Codes: G02B 6/4452 Distribution frames
• CPC Class Codes: G02B 6/4455 characterised by the way of extraction or insertion of the cassette in the distribution frame, e.g. pivoting, sliding, rotating or gliding
• CPC Class Codes: G02B 6/4459 Ducts; Conduits; Hollow tubes for air blown fibres
• CPC Class Codes: G02B 6/4471 Terminating devices demountable connectors G02B6/3807; Cable clamps
• CPC Class Codes: G02B 6/4478 Bending relief means

Abstract

An optical fiber rack includes a rack part on which a plurality of termination units are located, a first optical fiber housing part in which extra length wiring parts of a plurality of first optical fibers are housed, a second optical fiber housing part in which an extra length wiring part of a second optical fiber connected with any of the plurality of termination units is housed, a partition plate partitioning the first optical fiber housing part from the second optical fiber housing part, and, a plurality of optical fiber guides attached to the partition plate and arranged in the vertical direction. The optical fiber guide comprises a first guide part housing the first optical fibers toward to the first optical fiber housing part, and a second guide part housing the second optical fiber passing through an opening provided in the partition plate.

Claims

1. An optical fiber rack comprising:

a rack part on which a plurality of termination units arranged in a vertical direction are located;

a first optical fiber housing part in which extra length wiring parts of a plurality of first optical fibers connected with each of the plurality of termination units are housed;

a second optical fiber housing part in which an extra length wiring part of a second optical fiber connected with any of the plurality of termination units is housed;

a partition plate partitioning the first optical fiber housing part from the second optical fiber housing part; and

a plurality of optical fiber guides attached to a surface of the partition plate on a side of the first optical fiber housing part, the plurality of optical fiber guides being arranged in the vertical direction to respectively correspond to the termination units,

wherein each of the optical fiber guides comprises a first guide part housing the first optical fibers toward to the first optical fiber housing part, and a second guide part housing the second optical fiber, the second optical fiber passing through an opening provided in the partition plate,

wherein the second guide part is attached to the partition plate, and has a groove shape extending to protrude from the partition plate,

wherein the first guide part is provided at a leading end of the second guide part, and has a groove shape extending in a direction crossing a protruding direction of the second guide part, and

wherein the first guide part and the second guide part are partitioned from each other by a wall part of the first guide part on a side of the second guide part.

2. The optical fiber rack according to claim 1, wherein one of the partition plate and each of the optical fiber guides includes a curved plate, the curved plate being curved configured to restrict a position of the second optical fiber.

3. The optical fiber rack according to claim 1, wherein each of the optical fiber guides further comprises a restriction part configured to restrict a motion of the first optical fibers housed in the first guide part in the vertical direction.

4. The optical fiber rack according to claim 3, wherein each of the optical fiber guides further comprises a second restriction part.

5. The optical fiber rack according to claim 1, wherein an amount of protrusion of each second guide art associated with the plurality of optical fiber guides increases in the vertical direction.

6. The optical fiber rack according to claim 5, further comprising:

a plurality of dividing members arranged in the vertical direction in the first optical fiber housing part,

wherein each of the plurality of dividing members is continuously provided at a leading end of the first guide part of each optical fiber guide.