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US6161225A Expired / Lapsed US ⏱️ 0.0 years remaining

Shield structure of helmet

Assignee: Individual
•
Filing: 1999-04-06
•
Granted: 2000-12-19
•
Expires: 2019-04-06
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Abstract

Abstract A shield for a helmet includes an inner shield and an outer shield which are fixed and held while their mutual sealing characteristics are positively assured and wherein the inner shield and the outer shield can be separated from each other. A shield 2 is removably attached to an outer side of an inner shield 1 attached in such a way that it can be freely turned in an upward or downward direction in respect to a helmet main body B through a resilient seal member 11 installed along a substantial outer circumference of a visual field range and concurrently a tension force for generating a force for press adhering the seal member 11 is applied to the shield 2 outside of it and then it is supported at the inner shield 1.

Inventors

  • 👤 Michio Arai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:04
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/226; A42B3/24

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 212 words
A shield structure for attachment to a helmet body so as to be rotatable between an upper position and a lower position relative to a front opening in the helmet body, said shield structure comprising: an inner shield member which defines opposite first and second sides, an outer shield member which defines opposite first and second sides that correspond with said first and second sides of said inner shield member, said outer shield including a plurality of openings in said first side thereof, a spacer member which is positioned between said inner and outer shield members, a seal member located between said inner and outer shield members and within said spacer member to define a sealed air space therebetween, and an arm member which is removably attachable to a hook member on one side of said helmet body, said arm member being attached to said first side of said inner shield member and including a plurality of engaging projections which are extendable in respective said openings in said first side of said outer shield member to removably connect said outer shield member to said arm after said outer shield member has been bent at said first side thereof and outwardly of said spacer member so as to fit within said engaging projection.
Claim 2
Dependent Claim 212 words
A shield structure for attachment to a helmet body so as to be rotatable between an upper position and a lower position relative to a front opening in the helmet body, said shield structure comprising: an inner shield member which defines opposite first and second sides, an outer shield member which defines opposite first and second sides that correspond with said first and second sides of said inner shield member, said outer shield including a plurality of openings in said first side thereof, a spacer member which is positioned between said inner and outer shield members, a seal member located between said inner and outer shield members and within said spacer member to define a sealed air space therebetween, and an arm member which is removably attachable to a hook member on one side of said helmet body, said arm member being attached to said first side of said inner shield member and including a plurality of engaging projections which are extendable in respective said openings in said first side of said outer shield member to removably connect said outer shield member to said arm after said outer shield member has been bent at said first side thereof and outwardly of said spacer member so as to fit within said engaging projection.
Claim 3
Dependent Claim 52 words
A shield structure according to claim 1, wherein said inner shield includes a fixing hole in a first side thereof, wherein said arm member includes a stepped shaft having an end position that fits within said fixing hole, and a screw with washer which attaches said inner shield to said stepped shaft.
Claim 4
Dependent Claim 45 words
A shield structure according to claim 1, wherein said engaging protrusions are tapered and allow the outer shield member to slide thereover when the outer shield member is inserted within the arm and lock the outer shield in position when engaged in the openings therein.

References Cited (Backward Citations)

US4047249A Cited
JPS63219609A Cited
JPH04131619A Cited
US5131101A Cited
US5161261A Cited
FR2675348A1 Cited
US5765235A Cited
US5671483A Cited
US5890233A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-12-19 2004-06-19 2004-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-12-19 2008-06-19 2008-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-12-19 2012-06-19 2012-12-19 $7700.00 Window Closed / Lapsed

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