Replaceable lens system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 28, 2002
Grant Date -
Feb 21, 2002
app pub date -
Dec 27, 2000
filing date -
Jan 4, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention relates to a replaceable eye-protecting lens system for breathing masks that is easy to handle and ensures a firm and safe, i.e. gas-tight fit of the lenses in the body of the mask. It is the object and problem of this invention to create a replaceable eye-protecting lens system that provides a wide field of vision for the person wearing the mask and ensures a mechanically firm and gas-tight fit of mask body and lens. This problem is solved according to the invention by creating a replaceable lens system for breathing masks wherein a groove-shaped holding fixture 5 is placed on the rim of eye-protecting lens 1 which holds a fastening element 2 of the mask body and a locking ring 4.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully