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 Title: |
US5093940:
Lens exchangeable goggle
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Nishiyama, Takashi; Nakano-Ku, Tokyo, Japan
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| Assignee: |
None
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| Published / Filed: |
1992-03-10
/ 1991-02-01
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| Application Number: |
US1991000649532
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| IPC Code: |
Advanced:
A61F 9/02;
A63B 33/00;
G02C 1/00;
G02C 5/04;
G02C 11/00;
Core:
G02C 5/00;
more...
IPC-7:
A61F 9/02;
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| U.S. Class: |
Current:
002/441;
002/440;
351/043;
Original:
002/441;
002/440;
351/043;
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| Field of Search: |
002/431,438,439,440,441,443,430,428
351/043,47,59
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| Priority Number: |
| 1991-02-01 |
US1991000649532 |
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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.
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| Attorney, Agent or Firm: |
Cushman, Darby & Cushman ;
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| Primary / Asst. Examiners: |
Schroeder, Werner H.; Neas, Michael A.
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| Maintenance Status: |
E2 Expired Check current status
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Family: |
Show 7 known family members
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First Claim:
Show all 6 claims |
I claim:
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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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 47 U.S. patent(s) that reference this one
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