Fiber optic patch panel

• US 5,127,082 A
• Filed: 03/22/1991
• Issued: 06/30/1992
• Est. Priority Date: 03/22/1991
• Status: Expired due to Fees

• Current Assignee: Siemon Company The (The Siemon Company Incorporated)
• Original Assignee: The Siemon Company Incorporated
• Inventors: Vachhani, Vasantrai, Reynolds, Howard, Below, Randall J.
• Primary Examiner(s): Healy, Brian
• Application Number:
  US07/673,837
• Time in Patent Office: 466 Days
• Field of Search: 350/96.20, 350/96.21, 350/96.22, 350/96.23, 385/135, 385/136, 385/137, 385/59, 385/71, 206/316.1, 206/557, 206/558, 206/564, 206/565
• US Class Current: 385/135
• CPC Class Codes: G02B 6/4452 Distribution frames
• CPC Class Codes: G02B 6/44524 with frame parts or auxiliary devices mounted on the frame and collectively not covering a whole width of the frame or rack cassettes G02B6/4453
• CPC Class Codes: G02B 6/44528 Patch-cords; Connector arrangements in the system or in the box routing arrangements H04Q1/00
• CPC Class Codes: G02B 6/4454 with splices

Abstract

A patch panel for optical fibers includes a tray for supporting coiled portions of the fibers, a plurality of transversely spaced apart tabs, spaced backwardly from the front end of the tray and extending perpendicularly upwardly from the tray and a plurality of modular connector assemblies each slidably mounted on said tray between respective pairs of adjacent tabs. The modular connector assemblies each include a modular connector yoke for mounting optical fiber connectors on the tray. The tray includes tracks for slidably mounting the tray in a rack.

Claims

1. A patch panel for optical fibers, said fibers having a coiled portion, a first end portion and second end portion, comprising:

tray means for supporting said coiled portions of said fibers, said tray means including a bottom panel having a front edge, a back edge and a pair of opposed side edges;

a plurality of transversely spaced apart tabs secured to said bottom panel, said tabs being spaced backwardly from said front edge of bottom panel and extending perpendicularly upwardly from said bottom panel;

a plurality of modular connector assemblies, each slidably mounted on said tray between adjacent pairs of respective tabs, and each comprising;

modular connector yoke means for mounting optical fiber connectors on said tray means, said connector yoke means comprising;

a flat panel having a front surface, a back surface, a top edge, a bottom edge and opposed first and second side edges and defining at least one mounting hole therethrough for receiving an optical fiber connector; and

means for mounting said flat panel on said tray means, comprising;

a first mounting flange, extending from the first side edge of said panel and defining a first slot for slidably receiving an edge of one of said tabs; and

a second mounting flange, extending from the second side edge of said panel and defining a second slot for slidably receiving an edge of a second tab.

2. The patch panel of claim 1, wherein said tray means further comprises a back wall extending perpendicularly-upwardly from said back edge of said bottom panel and an opposed pair of side walls extending perpendicularly upwardly from said respective side edges of said bottom panel.

3. The patch panel of claim 1, wherein said back wall defines one or more exit slots for allowing second end portions of said fibers to pass out of said tray means and means, operatively associated with said exit slots, for securing said second end portions to said tray means.

4. The patch panel of claim 1, further ,comprising guide means, disposed within said tray means, for maintaining said coiled portions of said fibers within a predetermined range of bending radius.

5. The patch panel of claim 1, wherein the guide means comprises a plurality of radially oriented clips, each of said clips including a longitudinally extending base, a first side wall extending upwardly from said base, a top hingeably-secured to said first side wall, a second side wall extending downwardly from said base, and means for snaplockedly securing said second side wall to said base, wherein said first and second side walls define said range of bending radius.

6. The panel of claim 1, wherein the first mounting flange extends substantially perpendicularly from the first surface of said panel to a first bifurcated end, said first bifurcated end including a first pair of parallel opposed side walls defining said first slot therebetween;

wherein the second mounting flange extends substantially perpendicularly from the second surface of said panel to a second bifurcated end, said second bifurcated end including a second pair of parallel opposed side walls defining said second slot therebetween, and

wherein said first and second slots are oriented so that a plane longitudinally bisecting each of said slots is parallel to said first and second pairs of side walls and transverse to the top and bottom edges of the flat panel.

7. The panel of claim 1, further comprising top cover means for enclosing said tray means.

8. The panel of claim 1, further comprising a pair of cable support members extending perpendicularly upwardly and perpendicularly forwardly from said front edge of said tray means and front cover means, snaplockedly engaging said support members, for covering said modular connector means.

9. The panel of claim 1, wherein said cable support members are each ring shaped and have an outer edge, an inner edge defining an inner aperture, and a slot communicating between said inner edge and said outer edge.

10. The patch panel of claim 1, further comprising track means, operatively associated with said tray means, for slidably mounting the tray means in a rack to provide a retracted position wherein said tray means is retracted within said rack and an extended position wherein said tray means extends outwardly from said rack to allow access to said fibers.

11. A connector yoke for mounting a fiber optic connector in an opening defined by parallel spaced apart edges of a substrate, comprising:

a flat panel having opposed first and second flat surfaces, a top edge, a bottom edge and opposed first and second side edges and defining at least one aperture therethrough for receiving the connector; and

means for mounting said panel in the opening, comprising;

a first mounting flange, extending from the first side edge of said panel and providing a first slot for slidably receiving one of said opposed edges of said substrate; and

a second mounting flange extending from the second side edge of said panel and providing a second slot for slidably receiving the other of said edges of said substrate.

12. The yoke of claim 11, wherein the first mounting flange extends substantially perpendicularly from the first surface of said panel to a first bifurcated end, said first bifurcated end including a first pair of parallel opposed side walls defining said first slot therebetween;

wherein the second mounting flange extends substantially perpendicularly from the second surface of said panel to a second bifurcated end, said second bifurcated end including a second pair of parallel opposed side walls defining said second slot therebetween, and

wherein said first and second slots are oriented so that a plane longitudinally bisecting each of said slots is parallel to said first and second pairs of side walls and transverse to the top and bottom edges of the flat panel.

13. The yoke of claim 11, wherein said yoke defines two circular apertures therethrough.

14. The yoke of claim 13, wherein the apertures are diagonally offset.

15. The yoke of claim 14, wherein the centers of said circular apertures lie on a line which obliquely transverses the top and bottom edges of the panel.

16. The yoke of claim 11, wherein the yoke defines a single oblong aperture therethrough.

17. A patch panel for optical fibers, each of said fibers having a coiled portion, a first end portion and a second end portion comprising:

tray means for supporting the coiled portions of the optical fibers, said tray means including a bottom panel having a front edge, a rear edge and a pair of opposed side edges, a back wall extending perpendicularly upwardly from said rear edge and an opposed pair of side walls extending perpendicularly upwardly from said respective side edges;

modular connector means, mounted on said tray means and spaced backwardly from said front edge of the tray mans, for terminating end portions of said optical fibers;

track means, operatively associated with said tray means, for slidably mounting the tray means in a rack to provide a retracted position wherein said tray means is retracted within said rack and an extended position wherein said tray means extends outwardly from said rack to allow access to said fibers; and

guide means, disposed within said tray means, for maintaining said coiled portions of said fibers within a predetermined range of bending radius wherein the guide means comprises a plurality of radially oriented clips, each of said clips including a longitudinally extending base, a first side wall extending upwardly from said base, a top hingeably secured to said first side wall, a second side wall extending downwardly from said base, and means for snaplockedly securing said second side wall to said base, wherein said first and second side walls define said range of bending radius.

18. The patch panel of claim 17, wherein said back wall defines one or more exit slots for allowing second end portions of said fibers to pass out of said tray means and means, operatively associated with said exit slots, for securing said second end portions to said tray means.

19. The patch panel of claim 17, wherein said track means comprises a pair of track assemblies, each of said track assemblies comprising:

a longitudinally extending first rail secured to a respective one of the side walls;

a longitudinally extending second rail parallel to the first rail and having a plurality of longitudinally spaced apart roller members rotatably mounted on said second rail and received by said first rail;

a longitudinally extending third rail slidably mounted on said second rail;

a mounting flange means, secured to said third rail, for securing said third rail to the rack;

first stop means for limiting outward travel of said tray means relative to said mounting flange to define the extended position; and

second stop means for limiting inwardly directed travel of said tray means relative to said mounting flange to define the retracted position.

20. The panel of claim 17, further comprising top cover means for enclosing said tray means.

21. The panel of claim 17, further comprising a pair of support members extending perpendicularly upwardly and perpendicularly forwardly from said front edge of said tray means and front cover means, snaplockedly engaging said support members, for covering said modular connector means.

22. The panel of claim 21, wherein said support members are each ring shaped, have an outer edge and an inner edge defining an inner aperture, and a slot communicating between said inner edge and said outer edge.

23. The panel of claim 17, further comprising means for selectively disengaging said tray means from said track means to allow removal of the tray means from the rack.

24. The panel of claim 17, further comprising selectively engagable means for securing said tray means in said retracted position.

25. A patch panel for optical fibers, each of said fibers having a coiled portion, a first end portion and a second end portion comprising:

tray means for supporting the coiled portions of the optical fibers, said tray means including a bottom panel having a front edge, a rear edge and a pair of opposed side edges, a back wall extending perpendicularly upwardly from said rear edge and an opposed pair of side walls extending perpendicularly upwardly from said respective side edges;

modular connector means, mounted on said tray means and spaced backwardly from said front edge of the tray means, for terminating end portions of said optical fibers;

track means, operatively associated with said tray means, for slidably mounting the tray means in a rack to provide a retracted position wherein said tray means is retracted within said rack and an extended position wherein said tray means extends outwardly from said rack to allow access to said fibers; and

wherein said track means further comprises a pair of track assemblies, each of said track assemblies comprising;

a longitudinally extending first rail secured to a respective one of the side walls;

a longitudinally extending second rail parallel to the first rail and having a plurality of longitudinally spaced apart roller members rotatably mounted on said second rail and received by said first rail;

a longitudinally extending third rail slidably mounted on said second rail;

a mounting flange means, secured to said third rail, for securing said third rail to the rack;

first stop means for limiting outward travel of said tray means relative to said mounting flange to define the extended position; and

second stop means for limiting inwardly directed travel of said tray means relative to said mounting flange to define the retracted position.

26. The panel of claim 25, further comprising means for selectively disengaging said tray means from said track means to allow removal of the tray means from the rack.

27. The panel of claim 25, further comprising selectively engagable means for securing said tray means in said retracted position.

28. A patch panel for optical fibers, each of said fibers having a coiled portion, a first end portion and a second end portion comprising:

tray means for supporting the coiled portions of the optical fibers, said tray means including a bottom panel having a front edge, a rear edge and a pair of opposed side edges, a back wall extending perpendicularly upwardly from said rear edge and an opposed pair of side walls extending perpendicularly upwardly from said respective side edges;

modular connector means, mounted on said tray means and spaced backwardly from said front edge of the tray means, for terminating end portions of said optical fibers;

track means, operatively associated with said tray means, for slidably mounting the tray means in a rack to provide a retracted position wherein said tray means is retracted within said rack and an extended position wherein said tray means extends outwardly from said rack to allow access to said fibers; and

a pair of support members extending perpendicularly upwardly and perpendicularly forwardly from said front edge of said tray means and front cover means, snaplockedly engaging said support members, for covering said modular connector means.

29. The panel of claim 28, wherein said support members are each ring shaped, have an outer edge and an inner edge defining an inner aperture, and a slot communicating between said inner edge and said outer edge.