Half-jacket eyewear with removable dust shield

Details Half-jacket eyewear with removable dust shield Half-jacket eyewear with removable dust shield

2006-08-15

2006-08-15

Dang, Hung Xuan (Department: 2873)

Electrical generator or motor structure

Dynamoelectric

Rotary

C351S041000

Reexamination Certificate

active

07091634

ABSTRACT:
Disclosed is eyewear that may have a half-jacket frame and a removable dust shield for preventing direct impingement of dust upon a wearer's eye. The eyewear may have a titanium frame and removable lenses free of any attachment structure. The frame may have a lens-retaining ridge with a thin cross section. A nosepad on the frame may carry a shield retainer for releasably affixing a shield to the frame. The nosepad and the half-jacket frame front may be cast together in one piece out of titanium or titanium alloy. An anti-slip nosepad cover may partially cover the nosepad and leave the shield retainer exposed. A removable shield may have a lower lens groove that circumferentially mates with an upper lens groove of an orbital of a half-jacket frame, thereby circumferentially completing the lens groove when the shield is in place. A rigid temple may carry a slip resistor for contacting the wearer's skin. The eyewear may have a vent to reduce fogging of the lenses and the shield may be air-permeable.

REFERENCES:
patent: 5191364 (1993-03-01), Kopfer
patent: 5583583 (1996-12-01), Wilson
patent: 6233342 (2001-05-01), Fernandez
patent: 6641263 (2003-11-01), Olney
patent: 6926403 (2005-08-01), Yi et al.
patent: 2002/0033930 (2002-03-01), Min

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