| US 7,565,053 B2 | ||
| Fiber optic dust cap and dust plug with high power protection | ||
| Steven C. Zimmel, Minneapolis, Minn. (US); and Yu Lu, Eden Prairie, Minn. (US) | ||
| Assigned to ADC Telecommunications, Inc., Eden Prairie, Minn. (US) | ||
| Filed on Jun. 05, 2007, as Appl. No. 11/758,319. | ||
| Prior Publication US 2008/0304804 A1, Dec. 11, 2008 | ||
| Int. Cl. G02B 6/00 (2006.01); G02B 6/36 (2006.01) | ||
| U.S. Cl. 385—139 [385/134; 385/53; 385/76; 385/88; 385/92; 385/93] | 34 Claims |
| 12. A dust plug for use with an optical fiber adapter, the dust plug comprising:
a flange;
a sleeve that projects outwardly from the flange in a first direction, the sleeve defining an interior cavity, and the sleeve
being constructed of a material through which visible light can be transmitted;
a handle that projects outwardly from the flange in a second direction, the second direction being opposite from the first
direction; and
a light refracting surface positioned within the interior cavity of the sleeve for angling light that is transmitted through
the light refracting surface relative to a central axis of the sleeve, the light refracting surface being angled relative
to the central axis of the sleeve, and the light refracting surface not being capable of focusing light.
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