Lightweight lens retainer's diving mask

Details Lightweight lens retainer's diving mask Lightweight lens retainer's diving mask

2006-06-13

2006-06-13

Moran, Katherine M. (Department: 3765)

Apparel

Guard or protector

For wearer's head

Reexamination Certificate

active

07058990

ABSTRACT:
Provided is a lightweight lens retainer's diving mask comprising a waterproof plastic head covering, a frame formed forwardly of the head covering, the frame including holes spaced around its inner edge, an integral, elongate lens including two notches formed at both sides of its nose portion, and a separate retainer including tabs spaced around its outer edge, and two projections formed at both sides of its nose portion. The lens is fitted in an innermost position of the frame, the retainer is disposed forwardly of the lens, the projections are inserted into the notches, and the tabs are inserted into the holes for sealingly assembling the frame, the lens, and the retainer together by a retaining operation. The invention has advantages such as reliable fastening, lightweight, reduction in the cost related to machining and molding.

REFERENCES:
patent: 3945044 (1976-03-01), McGee et al.
patent: 5410763 (1995-05-01), Bolle
patent: 5479917 (1996-01-01), Hsieh
patent: 6532603 (2003-03-01), Lan
patent: 6749299 (2004-06-01), Hsu

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