Multi-part optical safety clip

• US 6,375,363 B1
• Filed: 06/02/2000
• Issued: 04/23/2002
• Est. Priority Date: 06/02/2000
• Status: Expired due to Term

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Harrison, Carl G., Hoyl, Bradley S., Smart, Denise L.
• Primary Examiner(s): PATEL, TULSIDAS C
• Application Number:
  US09/586,420
• Time in Patent Office: 690 Days
• Field of Search: 385/77, 385/134, 385/136, 385/247, 385/53
• US Class Current: 385/77
• CPC Class Codes: G02B 2006/4297 having protection means, e.g. protecting humans against accidental exposure to harmful laser radiation
• CPC Class Codes: G02B 6/3825 with an intermediate part, e.g. adapter, receptacle, linking two plugs
• CPC Class Codes: G02B 6/3849 using mechanical protective elements, e.g. caps, hoods, sealing membranes G02B6/3816 takes precedence; provisionally see H01R13/44
• CPC Class Codes: G02B 6/3897 Connectors fixed to housings, casing, frames or circuit boards G02B6/44528 takes precedence

Abstract

A multi-part shielding system obstructs an energy source opening within a connector housing when no connector is present within the housing. The shield is at least as wide as the energy source opening and is configured to rest in a position, when no connector is present in the housing, that obstructs the laser source opening. When a connector is inserted into the connector housing, the connector supplies an obstruction force to the shielding device, causing the shielding device to remain in a deflected position. When the connector is removed from the connector housing, and the obstruction force is therefore removed from the shielding device, and the bias portion of the shielding device causes the device to return to a rest position that again obstructs the energy source opening. The bias portion receives support from a bias support member. A method for providing a shielding system provides that the installation and removal of the shielding device is accomplished without removing the connector from the connector housing.

Claims

1. A shielding system that obstructs an energy source opening in a connector housing, the connector housing being oriented to receive a connector, the shielding system comprising:

a flexible shielding device including a bias portion coupled to a shield and a bias support member coupled to the bias portion; and

a fastening plate coupled to the shielding device;

the shielding device being configured to rest in a first position, wherein the shield obstructs the energy source opening when the shielding device is in the first position;

the shielding device being configured to deflect from the first position to a second position when a pressure force is applied to the shielding device, wherein the shield does not obstruct the energy source opening when the shielding device is in the second position;

the shielding device being configured to a deflected position in response to an obstruction force; and

the shielding device being configured to return to a position in the vicinity of the first position when the obstruction force is removed from the shielding device.

2. The system recited in claim 1 wherein the shielding device is further configured to bend along a plane perpendicular to the fastening plate.

3. The system recited in claim 1 wherein the fastening plate further comprises at least one edge, the at least one edge providing a mounting notch.

4. A shielding system that obstructs an energy source opening in a connector housing, the connector housing being oriented to receive a connector, the shielding system comprising:

a plurality of flexible shielding devices, each shielding device including a bias portion coupled to a shield and a bias support member coupled to the bias portion;

a fastening plate coupled to the shielding device;

the shielding device being configured to rest in a first position, wherein the shield obstructs the energy source opening when the shielding device is in the first position;

the shielding device being configured to deflect from the first position to a second position when a pressure force is applied to the shielding device, wherein the shield does not obstruct the energy source opening when the shielding device is in the second position;

the shielding device being configured to a deflected position in response to an obstruction force; and

the shielding device being configured to return to a position in the vicinity of the first position when the obstruction force is removed from the shielding device.

5. The system recited in claim 4 further comprises a fastening plate, the fastening plate being coupled to each of the plurality of shielding devices.

6. The system recited in claim 5 wherein the fastening plate includes at least one edge, the at least one edge providing a mounting notch.

7. The system recited in claim 4 wherein the width of each of the plurality of shields is at least as wide as the energy source opening.

8. A shielding system that obstructs an energy source opening in a connector housing, the connector housing being oriented to receive a connector, the shielding system comprising:

a plurality of flexible shielding devices, each shielding device including a bias portion coupled to a shield and a bias support member coupled to the bias portion;

wherein the width of the shield is at least as wide as the energy source opening;

the shielding device being configured to rest in a first position, wherein the shield obstructs the energy source opening when the shielding device is in the first position;

the shielding device being configured to deflect from the first position to a second position when a pressure force is applied to the shielding device, wherein the shield does not obstruct the energy source opening when the shielding device is in the second position;

the shielding device being configured to a deflected position in response to an obstruction force; and

the shielding device being configured to return to a position in the vicinity of the first position when the obstruction force is removed from the shielding device.

9. A system that obstructs an energy source, comprising:

a housing chassis;

at least one connector housing coupled to the housing chassis, the at least one connector housing having an energy source opening and being oriented to receive a connector; and

a shielding device having a fastening plate, the shielding device further including;

a bias portion coupled between the fastening plate and a shield;

a bias support member coupled to the bias portion;

the shielding device being configured to rest in a first position, wherein the shield obstructs the energy source opening when the shielding device is in the first position;

the shielding device being configured to deflect from the first position to a second position when a pressure force is applied to the shielding device, wherein the shield does not obstruct the energy source opening when the shielding device is in the second position;

the shielding device being configured to maintain a deflected position in response to an obstruction force; and

the shielding device being configured to return to a position in the vicinity of the first position when the obstruction force and the pressure force are removed from the shielding device.

10. The system recited in claim 9 wherein the energy source opening further comprises an opening oriented to provide a fiber optic laser source.

11. The system recited in claim 9 wherein the shielding device further comprises a ledge coupled to the shield, the ledge being oriented such that the shielding device moves from the first position to the second position when the ledge receives the pressure force.

12. The system recited in claim 9 wherein the shielding device is further configured to deflect along a plane perpendicular to the fastening plate.

13. The system recited in claim 9 wherein the fastening plate further comprises at least one edge, the at least one edge providing a mounting notch.

14. The system recited in claim 9, further comprising a plurality of shielding devices.

15. The system recited in claim 10, the fastening plate being coupled to each of the plurality of shielding devices.

16. The system recited in claim 9 wherein the fastening plate includes at least one edge, the at least one edge providing a mounting notch.

17. The system recited in claim 9 wherein the width of the shield is at least as wide as the energy source opening.

18. The system recited in claim 10 wherein the width of each of the plurality of shields is at least as wide as the energy source opening.

19. A method for providing a shielding system that obstructs an energy source, comprising:

providing a housing chassis;

providing at least one connector housing, the at least one connector housing having an energy source opening and being oriented to receive a connector;

coupling the at least one connector housing to the housing chassis;

providing a flexible shielding device having a fastening plate;

coupling the fastening plate to the housing chassis;

the shielding device including a bias portion coupled to a bias support member, the bias portion being coupled between the fastening plate and a shield, the shield being at least as wide as the energy source opening;

the shield device being configured to rest in a first position, wherein the shield obstructs the energy source opening when the device is in the first position;

the shielding device being configured to deflect from the first position to a second position when a pressure force is applied to the shielding device, wherein the shield does not obstruct the energy source opening when the shielding device is in the second position;

the shielding device being configured to maintain a deflected position in response to an obstruction force; and

the shielding device being configured to return to a position in the vicinity of the first position when the obstruction force is removed from the shielding device.

20. The method recited in claim 19, the coupling the fastening plate to the housing chassis further comprising coupling the fastening plate to the housing chassis while the connector is coupled to the connector housing.

21. The method recited in 20, the energy source opening further comprising an opening oriented to provide a fiber optic laser source.

22. A shielding system that obstructs an energy source opening within a connector housing, the connector housing being coupled to a housing chassis, comprising:

a shielding device, the shielding device including a shield means for blocking the energy source opening and further including a bias means for biasing the shielding device to deflect from a first position to a second position in response to a pressure force, the bias means further biasing the shielding device to remain in a deflected position in response to an obstruction force, the bias means further biasing the shielding device to return to a position in the vicinity of the first position when both the pressure force and the obstruction force are absent, where the shield means obstructs the energy source opening when the shielding device is in the first position, where the shield means does not obstruct the energy source opening when the shielding device is in the second position and where the shield means does not obstruct the energy source opening when the shielding device is in the deflected position; and

a fastening means that provides a fastening surface that can be coupled to the housing chassis, the fastening means being coupled to the shielding device.

23. The system recited in claim 22, the shielding device further comprising a ledge means for receiving a pressure force.

24. The system recited in claim 23 wherein the shield means is coupled between the bias means and the ledge means.