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Title: US7389543: Optically decentered face shield
[ Derwent Title ]


Country: US United States of America

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Inventor: Reichow, Alan W.; Beaverton, OR, United States of America
Citek, Karl; Hillsboro, OR, United States of America

Assignee: Nike, Inc., Beaverton, OR, United States of America
other patents from NIKE, INC. (401540) (approx. 1,391)
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Published / Filed: 2008-06-24 / 2004-06-30

Application Number: US2004000883399

IPC Code: Advanced: A41D 13/00;

ECLA Code: A42B3/22C; A61F9/04B; G02C7/02;

U.S. Class: 002/009; 351/041; 351/159;

Field of Search: 002/425,424,6.3,6.7,427,430,9 359/718 351/041,159,75 128/857,858

Priority Number:
2004-06-30  US2004000883399

Abstract:     A face protector includes a one piece shield in which an optical center is displaced away from the normal straight ahead line of sight toward an activity specific line of sight to minimize image shift that occurs when a direction of gaze passes across the edge of the shield. An apex of the shield is formed at a forwardmost point of the shield, or a virtual extension of the shield, when the shield is in an as worn position on a wearer. In particular examples, an optical axis extends through the optical center, at a non-zero angle to the normal straight ahead line of sight and substantially parallel to the activity specific line of sight, with the optical center being placed away from the apex. In particular examples, the optical axis is closer to (or coincident with) an activity specific line of sight of one of the right or left eye. The face protector is particularly useful in activities such as sports, for example hockey, football, or baseball which involve activity specific lines of sight. In one disclosed embodiment, the optical center is positioned at or below a bottom edge of the shield so that a hockey player can view an object on the ice below the lower edge of the shield with reduced image shift.

Attorney, Agent or Firm: Shook, Hardy & Bacon, L.L.P. ;

Primary / Asst. Examiners: Moran, Katherine;

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First Claim:
Show all 10 claims
    1. A protective shield for mounting in front of a face of a wearer in an as worn orientation, with the shield extending across the eyes and nose of the wearer for use in specific activity involving an activity specific line of sight different than a straight ahead normal line of sight, the protective shield comprising:

an arcuate lens that, in the as worn orientation, curves across the eyes and nose of the wearer, the lens having an optical center and an apex, either or both of which can be on or off the lens, and a lower edge, and an optical axis that extends through the optical center and the optical axis is substantially parallel to an horizontally displaced from the activity specific line of sight of a right eye and a left eye, but not vertically displaced from the activity specific line of sight of the right eye and the left eye,

wherein the optical center of the lens is displaced from the apex to a position that reduces object shift as the wearer shifts gaze from the normal straight ahead line of sight to the activity specific line of sight, and the optical axis is not substantially equidistant between the ASLS of the right eye and the left eye, but is closer to the ASLS of an eye toward which a direction of gaze is directed.



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U.S. References: Go to Result Set: All U.S. references   |  No patents reference this one   |   Backward references (66)   |   Citation Link

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  * some details unavailable
       
Foreign References:
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PDF
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  • Continuity Data:
    Application Number Filed Notes

    US2004000883399 2004-06-30  is a related to the prior publication
         US20060000011A1 issued 2006-01-05  Optically decentered face shield

    US2004000883399 2004-06-30  is a related to the prior publication
         US20080212019A1 issued 2008-09-04  OPTICALLY DECENTERED FACE SHIELD

    US2004000883399 2004-06-30  is a related to the prior publication
         US20110037941A1 issued 2011-02-17  Optically Decentered Face Shield

    13336204   is a continuation of
    US2010000913938  2010-10-28
         US8104891 issued 2012-01-31   Optically decentered face shield

    12913938   is a continuation of
    US2008000117492  2008-05-08
         US7850303 issued 2010-12-14   Optically decentered face shield

    12117492   is a continuation of
    >US2004000883399<  2004-06-30
         US7389543 issued 2008-06-24 2008-06-24  Optically decentered face shield

    12117492   is a continuation of
    >US2004000883399<  2004-06-30
         US7389543 issued 2008-06-24   Optically decentered face shield


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