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Optically corrected shield for safety helmet

A technology of goggles and lenses, applied in goggles, glasses/goggles, lenses, etc., can solve the problem that the lenses are not practical

Inactive Publication Date: 2007-02-14
OAKLEY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, high base curvature (eg, a base of 6 or higher) while maintaining a low profile for optimal shadowing is sometimes desirable, however such lenses have not been practical in the past due to their higher levels of prismatic distortion

Method used

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  • Optically corrected shield for safety helmet
  • Optically corrected shield for safety helmet
  • Optically corrected shield for safety helmet

Examples

Experimental program
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Embodiment Construction

[0028] Although the preferred embodiment of the present invention will be discussed below with respect to lenses having "spherical" front and rear surfaces (i.e., surfaces that substantially conform to a portion of a sphere), those of ordinary skill in the art will appreciate that the present invention The invention is also applicable to lenses with different surface geometries. Furthermore, it will be appreciated that the present invention has application to many front elevation shapes and orientations beyond those shown here when in the worn position.

[0029] Referring to Figures 1 and 2, eyeglasses 10 (eg, sunglasses) are shown having first and second lenses 12, 14 constructed in accordance with an embodiment of the present invention. Although the invention is expressed in the context as having Eye Jackets TM Eyeglass designs under the name Oakley, however the present invention only concerns the curvature, bevel and orientation of the lenses on the wearer's head. Therefo...

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PUM

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Abstract

Disclosed is an optically corrected lens for nonprescription, dual lens eyeglasses. In a preferred embodiment, the anterior surface of the lens lies on a portion of a first sphere having a first center. The posterior surface of the lens lies on the surface of a second sphere having a second center. The first and second centers are offset from one another to provide a tapered lens. The lens is oriented on the head of the wearer by a frame that maintains the lens in a position such that a line drawn through the first and second centers is maintained substantially in parallel to the normal sight line of the wearer. Methods of making the lenses, and eyewear incorporating the lenses, are also disclosed.

Description

[0001] This application is a divisional application of the Chinese patent application No. 02127847.4 with the application date of December 4, 1996 of the applicant Oakley Co., Ltd. and the title of the invention is "". technical field [0002] The present invention relates generally to lenses for use in eyewear, and more particularly to decentered non-corrective lenses for reducing optical distortion. Background technique [0003] A wide variety of improvements have been made in the field of goggles in recent years, especially for sunglasses intended for use in fast sports or as fashion. These improvements have been incorporated into goggles with a single lens, such as the "Blades(R)" design (Oakley LLC), the "M Frame(R)" series (Oakley LLC), and the "Zero(R)" series also produced by Oakley LLC. produced by the responsible company. These goggles are designed to achieve a variety of functional conveniences, such as maximum peripheral light interception, reduced optical disto...

Claims

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Application Information

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IPC IPC(8): G02C7/02G02C5/00A61F9/00G02C1/00A42B3/22A61F9/02G02B3/06
CPCA61F9/029A61F2009/021A61F9/025A61F9/02G02C5/00G02C7/02
Inventor M·N·豪斯汤J·H·詹恩阿德C·D·雷耶斯
Owner OAKLEY INC
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