Lens exchangeable goggle
First Claim
Patent Images
1. A lens exchangeable goggle which comprises a mask frame having a pair of openings in right and left positions of the mask frame and a pair of lens units inserted in said openings, in which each of said lens units is composed of a spectacle lens, a tubular portion formed around the spectacle lens and a collar portion projecting outwardly from the backside of the tubular portion;
- each of said openings in said mask frame is formed with a wider width in right and left than the width of the backside of the tubular portion of the lens unit; and
upper and lower external edges of the tubular portion of each of the lens units are interlocked with internal edge of each of the openings by means of a holding mechanism so as to hold detachably and moveably the lens unit in the opening of the mask frame.
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Abstract
A lens exchangeable goggle having adjustable distance and/or fixing angle of lens units which includes as components a lens unit having a tubular portion, a opening formed with a wider width than the lens unit in a mask frame and a holding mechanism for fixing detachably the lens unit.
142 Citations
6 Claims
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1. A lens exchangeable goggle which comprises a mask frame having a pair of openings in right and left positions of the mask frame and a pair of lens units inserted in said openings, in which each of said lens units is composed of a spectacle lens, a tubular portion formed around the spectacle lens and a collar portion projecting outwardly from the backside of the tubular portion;
- each of said openings in said mask frame is formed with a wider width in right and left than the width of the backside of the tubular portion of the lens unit; and
upper and lower external edges of the tubular portion of each of the lens units are interlocked with internal edge of each of the openings by means of a holding mechanism so as to hold detachably and moveably the lens unit in the opening of the mask frame. - View Dependent Claims (2, 3, 4, 5, 6)
- each of said openings in said mask frame is formed with a wider width in right and left than the width of the backside of the tubular portion of the lens unit; and
Specification