Fiber Optic Equipment Supporting Moveable Fiber Optic Equipment Tray(s) and Module(s), and Related Equipment and Methods

• US 20100296790A1
• Filed: 10/09/2009
• Published: 11/25/2010
• Est. Priority Date: 05/21/2009
• Status: Active Grant

• Current Assignee: Corning Optical Communications LLC (Corning Incorporated)
• Original Assignee: Corning Cable Systems LLC (Corning Incorporated)
• Inventors: Salinas, Octavio Beltran, Martinez, Juan Garcia, Rodriguez, Diana, Lopez Sanchez, Manuel Alejandro, Cooke, Terry L., Klavuhn, Tory A., Dean, David L. JR., Dagley, Mark R., Strause, Kevin L.
• Granted Patent: US 8,280,216 B2
• Time in Patent Office: Days
• US Class Current: 385/135
• CPC Class Codes: G02B 6/44526 Panels or rackmounts covering a whole width of the frame or rack
• 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

Abstract

Fiber optic drawers supporting fiber optic modules are disclosed. The drawer is movable about a chassis. At least one fiber optic equipment tray is received in the drawer. The fiber optic equipment tray(s) is movable about the drawer and configured to receive at least one fiber optic module. The fiber optic module(s) is movable about a fiber optic equipment tray. In this manner, enhanced access can be provided to the fiber optic module(s) and their fiber optic connections. The drawer can moved out from the chassis to provide access to fiber optic equipment tray(s) and fiber optic module(s). The fiber optic equipment tray(s) can be moved out from the drawer to provide enhanced access to fiber optic module(s). The fiber optic module(s) can be moved from fiber optic equipment tray(s) to provide further enhanced access to fiber optic module(s). The drawer may also be tiltable about the chassis.

Claims

1. A fiber optic apparatus, comprising:

a drawer movable about a chassis;

at least one tray guide disposed in the drawer and configured to receive at least one fiber optic equipment tray movable about the drawer; and

at least one module guide disposed in the at least one fiber optic equipment tray and configured to receive at least one fiber optic module movable about the at least one module guide.

2. The fiber optic apparatus of claim 1, wherein the drawer is configured to tilt about the chassis.

3. The fiber optic apparatus of claim 2, further comprising at least one tilt limiting member disposed in the drawer to limit the tilting of the drawer about the chassis.

4. The fiber optic apparatus of claim 3, further comprising an angle disposed in the at least one tilt limiting member to limit the maximum tilting angle of the drawer about the chassis.

5. The fiber optic apparatus of claim 2, further comprising a slot disposed in the at least one tilt limiting member and configured to receive a pin to limit the tilting of the drawer about the chassis.

6. The fiber optic apparatus of claim 3, wherein the at least one tilt limiting member is not attached to the chassis.

7. The fiber optic apparatus of claim 2, wherein the at least one tilt limiting member is disposed between at least one control plate and the drawer.

8. The fiber optic apparatus of claim 7, wherein the at least one tilt limiting member is configured to control splay of the drawer.

9. The fiber optic apparatus of claim 7, wherein the at least one control plate is disposed on at least one stand off to allow the at least one tilt limiting member to move between the at least one control plate and the drawer to tilt downward.

10. The fiber optic apparatus of claim 1, wherein the at least one tray guide is configured to tilt about the chassis.

11. The fiber optic apparatus of claim 1, wherein the drawer is comprised of a front panel hingedly attached to a rear panel.

12. The fiber optic apparatus of claim 11, wherein the front panel is configured to tilt about the rear panel.

13. The fiber optic apparatus of claim 1, further comprising at least one drawer retention member disposed in the drawer configured to releasably retain the drawer in the chassis.

14. The fiber optic apparatus of claim 13, wherein the at least one drawer retention member is comprised of at least one emboss disposed in the drawer and configured to retain the drawer in the chassis.

15. The fiber optic apparatus of claim 14, wherein the at least one emboss is configured to interfere with at least one protrusion disposed in the chassis to retain the drawer in the chassis until the at least one emboss clears interference from the at least on protrusion.

16. The fiber optic apparatus of claim 1, further comprising at least one drawer pull-out limiting member disposed in the drawer to limit the pull out distance of the drawer from the chassis.

17. The fiber optic apparatus of claim 16, wherein the at least one drawer pull-out limiting member is disposed in a rear panel of the drawer.

18. The fiber optic apparatus of claim 16, wherein the at least one drawer pull-out limiting member is comprised of at least one tab configured to engage with at least one lance disposed in the chassis.

19. The fiber optic apparatus of claim 1, further comprising at least one drawer rail disposed on a bottom side of the drawer and configured to engage with at least one drawer guide disposed in the chassis to translate the drawer about the chassis.

20. The fiber optic apparatus of claim 1, further comprising a drawer door attached to a front end of the drawer.

21. The fiber optic apparatus of claim 20, further comprising at least one drawer door locking mechanism configured to releasably retain the drawer door to the drawer.

22. The fiber optic apparatus of claim 1, wherein the at least one tray guide is comprised of a tray rail guide.

23. The fiber optic apparatus of claim 1, further comprising at least one tray locking member disposed adjacent a front end of the drawer and configured to releasably retain the at least one fiber optic equipment tray in the drawer.

24. The fiber optic apparatus of claim 1, further comprising at least one routing guide disposed on a front end of the at least one fiber optic equipment tray.

25. The fiber optic apparatus of claim 1, further comprising at least one pull tab disposed on a front end of the at least on fiber optic equipment tray.

26. The fiber optic apparatus of claim 1, wherein the at least one module guide is comprised of at least one module rail guide configured to receive at least one module rail disposed in the at least one fiber optic module.

27. The fiber optic apparatus of claim 1, wherein the at least one module guide comprises:

at least one first module guide disposed on a first end of the at least one fiber optic equipment tray;

at least one second module guide disposed on a second end of the at least one fiber optic equipment tray; and

at least one intermediate module guide disposed in the fiber optic equipment tray between the at least one first module guide and the at least one second module guide.

28. The fiber optic apparatus of claim 1, wherein the at least one module guide is configured to receive the at least one fiber optic module from a rear section of the drawer.

29. The fiber optic apparatus of claim 1, further comprising at least one module locking member configured to releasably retain the at least one fiber optic module in the at least one fiber optic equipment tray.

30. The fiber optic apparatus of claim 1, wherein:

the at least one tray guide is comprised of a plurality of tray guides;

the at least one fiber optic equipment tray is comprised of a plurality of fiber optic equipment trays each disposed in a tray guide among the plurality of tray guides;

the at least one module guide is comprised of a plurality of module guides; and

the at least one fiber optic module is comprised of a plurality of fiber optic modules each disposed in a module guide among the plurality of module guides;

wherein each of the plurality of fiber optic equipment trays is independently translatable about the drawer; and

wherein each of the plurality of fiber optic modules is independently translatable about a fiber optic equipment tray.

31. A fiber optic equipment drawer, comprising:

a rear panel configured to be attached to a chassis;

a front panel configured to receive fiber optic equipment and hingedly attached to the rear panel and configured to tilt about the rear panel;

at least one tilt limiting member disposed in the front panel configured to limit the tilting of the front panel about the rear panel, wherein the at least one tilt limiting member is not attached to the chassis; and

wherein an angle is disposed in the at least one tilt limiting member to limit the maximum tilting angle of the front panel about the rear panel.

32. The fiber optic equipment drawer of claim 31, wherein the at least one tilt limiting member includes at least one flag configured to engage with at least one notch disposed in the rear panel to limit the tilting of the front panel about the rear panel.

33. The fiber optic equipment drawer of claim 32, wherein the at least one notch is disposed in at least one flange disposed in the rear panel.

34. The fiber optic equipment drawer of claim 31, wherein at least one tilt limiting member is disposed in at least one flange biased outward from the rear panel to minimize contact between the fiber optic equipment drawer and the chassis.

35. The fiber optic equipment drawer of claim 31, further comprising a rod received inside rolled portions disposed in the front panel and the rear panel configured to engage with each other to hingedly attached the front panel to the rear panel.

36. The fiber optic equipment drawer of claim 31, further comprising at least one drawer retention member disposed in the front panel configured to releasably retain the fiber optic equipment drawer from the chassis.

37. The fiber optic equipment drawer of claim 36, wherein the at least one drawer retention member is comprised of at least one emboss configured to abut against at least one protrusion disposed in the chassis to retain the fiber optic equipment drawer in the chassis.

38. The fiber optic equipment drawer of claim 31, further comprising at least one drawer pull-out limiting member disposed in the rear panel to limit the pull out distance of the fiber optic equipment drawer from the chassis.

39. The fiber optic equipment drawer of claim 31, further comprising a first tray guide disposed on a first side of the front panel and a second tray guide disposed on a second side of the front panel generally opposite the first side;

wherein the first tray guide and the second tray guide are configured to receive one or more fiber optic equipment trays.

40. The fiber optic equipment drawer of claim 31, further comprising a slot disposed in the at least one tilt limiting member and configured to receive a pin to limit the tilting of the fiber optic equipment drawer about the chassis.

41. The fiber optic equipment drawer of claim 31, wherein the at least one tilt limiting member is disposed between at least one control plate and the fiber optic equipment drawer.

42. The fiber optic equipment drawer of claim 41, wherein the at least one tilt limiting member is configured to control splay of the fiber optic equipment drawer.

43. The fiber optic equipment drawer of claim 41, wherein the at least one control plate is disposed on at least one standoff to allow the at least one tilt limiting member to move between the at least one control plate and the fiber optic equipment drawer to tilt downward.

44. A fiber optic equipment drawer, comprising:

a rear panel configured to be attached to a chassis;

a front panel configured to receive fiber optic equipment and hingedly attached to the rear panel and configured to tilt about the rear panel;

at least one drawer pull-out limiting member disposed in the rear panel configured to engage with at least one retention member disposed the chassis to limit the pull out distance of the front panel from the chassis; and

at least one raised portion disposed in the front panel and aligned with the at least one drawer pull-out limiting member and configured to pass above the at least one retention member when the fiber optic equipment drawer is pulled out from the chassis.

45. The fiber optic equipment drawer of claim 44, wherein the at least one drawer pull-out limiting member is comprised of at least one tab configured to engage with the least one retention member comprised of at least one lance.

46. The fiber optic equipment drawer of claim 44, wherein the at least one drawer pull-out limiting member is comprised of a first drawer pull-out limiting member disposed adjacent a first side of the rear panel and a second drawer pull-out limiting member disposed adjacent a second side of the rear panel generally opposite from the first side.

47. The fiber optic equipment drawer of claim 44, wherein the at least one drawer pull-out limiting member is forward biased towards the front panel.

48. A method of accessing a fiber optic component, comprising:

accessing a drawer disposed in a chassis;

accessing at least one fiber optic equipment tray about at least one at least one tray guide disposed in the drawer and configured to receive the at least one fiber optic equipment tray; and

accessing at least one fiber optic module disposed in at least one module guide disposed in the at least one fiber optic equipment tray.

49. The method of claim 48, wherein accessing the drawer comprises moving the drawer disposed in the chassis out from the chassis.

50. The method of claim 49, wherein accessing the drawer further comprises tilting the drawer about the chassis.

51. The method of claim 50, wherein tiling the drawer about the chassis comprises tilting a front panel of the drawer about a rear panel of the drawer disposed in the chassis.

52. The method of claim 49, wherein moving the drawer comprises pulling the drawer out from the chassis until the drawer engages with at least one drawer pull-out limiting member disposed in the drawer to limit the pull out distance of the drawer from the chassis.

53. The method of claim 49, wherein moving the drawer further comprises moving the drawer about at least one drawer rail disposed on a bottom side of the drawer and configured to engage with at least one drawer guide disposed in the chassis.

54. The method of claim 48, wherein accessing the drawer comprises releasing at least one drawer retention member disposed in the drawer configured to releasably retain the drawer in the chassis.

55. The method of claim 48, wherein accessing the drawer comprises opening a drawer door attached to a front end of the drawer.

56. The method of claim 48, wherein accessing the at least one fiber optic equipment tray comprises moving the at least one fiber optic equipment tray disposed in the drawer out from the drawer.

57. The method of claim 48, wherein accessing the at least one fiber optic equipment tray comprises unlocking at least one tray locking member disposed adjacent a front end of the drawer configured to releasably retain the at least one fiber optic equipment tray in the drawer.

58. The method of claim 48, wherein accessing the at least one fiber optic equipment tray comprises pulling at least one pull tab disposed on a front end of the at least on fiber optic equipment tray.

59. The method of claim 48, further comprising routing at least one optical fiber or fiber optic cable through a routing guide disposed on a front end of the at least one fiber optic equipment tray.

60. The method of claim 48, wherein accessing the at least one fiber optic module comprises removing the at least one fiber optic module from the at least one fiber optic equipment tray.

61. The method of claim 48, wherein accessing the at least one fiber optic module comprises moving the at least one fiber optic module about at least one module rail guide disposed in the at least on the fiber optic equipment tray and configured to receive at least one module rail disposed in the at least one fiber optic module.

62. The method of claim 48, further comprising installing the at least one fiber optic module in the at least one fiber optic equipment tray from a rear section of the drawer.

63. A method of limiting the tilt of a fiber optic equipment drawer, comprising:

pulling out the fiber optic equipment drawer from a chassis;

tilting the fiber optic equipment drawer about the chassis; and

limiting the tilting angle of a front panel of the fiber optic equipment drawer about a rear panel of the fiber optic equipment drawer attached to the chassis by engaging an angle disposed in the at least one tilt limiting member with the chassis.

64. The method of claim 63, wherein limiting the tilting angle comprises engaging a flag disposed in the at least one tilt limiting member with at least one notch disposed in the rear panel.

65. The method of claim 63, further comprising retaining the fiber optic equipment drawer in the chassis by the front panel engaging at least one drawer retention member configured to releasably retain the fiber optic equipment drawer from the chassis.

66. The method of claim 63, wherein limiting the tilting angle of the front panel of the fiber optic equipment drawer about the rear panel further comprises receiving a pin attached to the fiber optic equipment drawer in a slot disposed in the at least one tilt limiting member.

67. The method of claim 63, further comprising controlling splay of the at least one tilt limiting member with at least one control plate disposed adjacent the at least one tilt limiting member.

68. A method of limiting the pull-out distance of a fiber optic equipment drawer, comprising:

pulling out a fiber optic equipment drawer from a chassis;

engaging at least one retention member disposed the chassis with at least one drawer pull-out limiting member disposed in a rear panel of the fiber optic equipment drawer to limit the pull out distance of the fiber optic equipment drawer from the chassis; and

wherein at least one raised portion disposed in a front panel of the fiber optic equipment drawer and aligned with the at least one drawer pull-out limiting member passes above the at least one retention member when the fiber optic equipment drawer is pulled out from the chassis.

69. The method of claim 68, wherein engaging at least one retention member further comprises receiving at least one tab disposed in the rear panel with at least one lance disposed in the chassis.