Stack of clear laminated removable lenses for reducing...

Details Stack of clear laminated removable lenses for reducing... Stack of clear laminated removable lenses for reducing...

2005-03-22

2005-03-22

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

C428S042100

Reexamination Certificate

active

06870686

ABSTRACT:
A stack of laminated transparent lenses consists of two alternating optically clear materials in intimate contact. The materials are a plastic lens and clear adhesive. The adhesive is uninterrupted. The lens and the adhesive have refraction mismatch of less than 0.2. A tab portion is part of each lens acts as an aid in peeling way the outermost lens after contamination of the lens layer during racing conditions. The lens stack can be mounted to the posts on the face shield or laminated directly to a windshield. The lens stack can be applied to an airfoil. During a race, as mud and dirt are accumulated, the top lens of the lens stack on the airfoil can quickly be removed revealing the next (clean) lens in the stack.

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