US5671483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable subsidiary helmet face shield lens
Assignee: 546 401 ONTARIO Ltd
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Filing: 1995-06-06
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Granted: 1997-09-30
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Expires: 2015-06-06
Abstract
Abstract A face shield for a helmet comprises a body with an opening, an inner lens mounted in the body opening and a weather lens releasably mountable over the inner lens. The weather lens has a gasket around its perimeter which spaces the weather lens from the inner lens to form an insulating air gap between the inner lens and the weather lens. The weather lens is made of translucent material to selectively filter the light passing through the lens. The inner lens is recessed in the body so that the weather lens is generally flush with the outer surface of the body. Each side edge of the weather lens is provided with one of a hook and loop fastener and the inner lens has the complimentary fastener portion for mounting the weather lens to the inner lens.
Inventors
- 👤 Douglas Alvin Reuber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:56
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/226; A42B3/24; A42B3/245
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
89 words
A face shield for a helmet comprising: a body having an opening; an inner lens mounted in said opening so as to have a convex outer surface and a concave inner surface; a weather lens overlapping said outer surface and mounted adjacent to said outer surface; means to space said weather lens from said outer surface so as to form an appreciable air gap between said weather lens and said outer surface; means removably attaching said weather lens to at least one of said inner lens and said body.
Claim 2
Dependent Claim
89 words
A face shield for a helmet comprising: a body having an opening; an inner lens mounted in said opening so as to have a convex outer surface and a concave inner surface; a weather lens overlapping said outer surface and mounted adjacent to said outer surface; means to space said weather lens from said outer surface so as to form an appreciable air gap between said weather lens and said outer surface; means removably attaching said weather lens to at least one of said inner lens and said body.
Claim 3
Dependent Claim
25 words
The face shield of claim 1 wherein said inner lens and said body form a recess; and said weather lens is mounted in said recess.
Claim 4
Dependent Claim
24 words
The face shield of claim 2 wherein said inner lens is formed of transparent plastic; and said weather lens is formed of translucent plastic.
Claim 5
Dependent Claim
22 words
The face shield of claim 3 wherein said translucent plastic is adapted to selectively filter light that passes through said weather lens.
Claim 6
Dependent Claim
35 words
The face shield of claim 4 wherein said means to space said weather lens from said outer surface comprises a gasket extending along a perimeter of one of said inner lens and said weather lens.
Claim 7
Dependent Claim
49 words
The face shield of claim 5 wherein said means removably attaching said weather lens to at least one of said inner lens and said body comprises a first fastener element on one of said body and said inner lens; and a second complementary fastener element on said weather lens.
Claim 8
Dependent Claim
49 words
The face shield of claim 6 wherein said first fastener element comprises one of a hook portion and a loop portion of a hook and loop fastener; said second fastener element comprises a complementary one of a hook portion and a loop portion of a hook and loop fastener.
Claim 9
Dependent Claim
16 words
The face shield of claim 7 wherein said inner lens and said weather lens are coextensive.
Claim 10
Dependent Claim
50 words
The face shield of claim 8 further comprising a face lens mounted in said body adjacent to said inner surface of said inner lens; means to space said face lens from said inner lens so as to form an appreciable air gap between said inner surface and said face lens.
Claim 11
Dependent Claim
35 words
The face shield of claim 9 wherein said means to space said inner surface from said face lens comprises a gasket extending along a perimeter of one of said inner lens and said face lens.
Claim 12
Dependent Claim
22 words
The face shield of claim 10 further comprising means to defog at least one of said inner lens and said face lens.
Claim 13
Dependent Claim
145 words
The face shield of claim 11 wherein said face lens has an outer surface facing said air gap; and said means to defog comprises a first electrode extending along a margin of said face lens on said face lens outer surface; a second electrode extending along a margin of said face lens opposite said first electrode on said face lens outer surface; said first electrode and said second electrode are electrically connected to a terminal connector for connecting to a source of electric power; a transparent conductive film extending between said first electrode and said second electrode on said face lens outer surface, said film having sufficient electrical resistance to create heat effective to inhibit formation of fog, ice or frost on at least one of said inner lens and said face lens when said terminal connector is connected to a source of electric power.
Claim 14
Dependent Claim
69 words
A face shield for a helmet comprising: a body having an opening; an inner lens fixedly mounted in said opening to form a recess; and a first fastener element on one of said body and said inner lens interengageable with a complementary fastener element of a weather lens of a type which is mountable in overlapping relation to said inner lens adjacent to said inner lens in said recess.
Claim 15
Dependent Claim
69 words
A face shield for a helmet comprising: a body having an opening; an inner lens fixedly mounted in said opening to form a recess; and a first fastener element on one of said body and said inner lens interengageable with a complementary fastener element of a weather lens of a type which is mountable in overlapping relation to said inner lens adjacent to said inner lens in said recess.
Claim 16
Dependent Claim
72 words
A face shield as claimed in claim 13 further comprising a weather lens comprising a sheet of flexible plastics; and a second complementary fastener element affixed to said flexible plastic, adapted for mounting said flexible plastic on one of said body and said inner lens; and means to space said weather lens from said inner lens so as to form an appreciable air gap between said weather lens and said inner lens.
Claim 17
Dependent Claim
25 words
The face shield of claim 14 wherein said inner lens is formed of transparent plastic; and said weather lens is formed of a translucent plastic.
Claim 18
Dependent Claim
22 words
The face shield of claim 15 wherein said translucent plastic is adapted to selectively filters light that passes through said weather lens.
Claim 19
Dependent Claim
35 words
The face shield of claim 16 wherein said means to space said weather lens from said inner lens comprises a gasket extending along a perimeter of one of said inner lens and said weather lens.
Claim 20
Dependent Claim
49 words
The face shield of claim 17 wherein said first fastener element comprises one of a hook portion and a loop portion of a hook and loop fastener; said second fastener element comprises a complementary one of a hook portion and a loop portion of a hook and loop fastener.
Claim 21
Dependent Claim
16 words
The face shield of claim 18 wherein said weather lens and said inner lens are coextensive.
Claim 22
Dependent Claim
154 words
In combination, a weather lens and a face shield of a helmet, said weather lens comprising: a sheet of flexible plastic; a gasket extending from said sheet of plastic along a perimeter and on a first side of said sheet to space said weather lens from an inner lens forming part of said face shield, when said weather lens is mounted on said face shield; a first fastener portion, extending from said sheet on said first side, for mounting said sheet to said shield; said shield having a convex surface and a complementary fastener portion, comprising: a second fastener portion affixed to said convex surface of said face shield; an opposite surface for engaging said first fastener portion to mount said weather lens to said face shield in an overlapping relationship with said inner lens; whereby said weather lens may be quickly mounted and removed from said face shield, and said complementary fastener position.
Claim 23
Dependent Claim
154 words
In combination, a weather lens and a face shield of a helmet, said weather lens comprising: a sheet of flexible plastic; a gasket extending from said sheet of plastic along a perimeter and on a first side of said sheet to space said weather lens from an inner lens forming part of said face shield, when said weather lens is mounted on said face shield; a first fastener portion, extending from said sheet on said first side, for mounting said sheet to said shield; said shield having a convex surface and a complementary fastener portion, comprising: a second fastener portion affixed to said convex surface of said face shield; an opposite surface for engaging said first fastener portion to mount said weather lens to said face shield in an overlapping relationship with said inner lens; whereby said weather lens may be quickly mounted and removed from said face shield, and said complementary fastener position.
Claim 24
Dependent Claim
13 words
The combination of claim 20 wherein said sheet of flexible plastic is translucent.
Claim 25
Dependent Claim
42 words
A face shield as claimed in claim 13, wherein said inner lens and said body define a convex outer surface; and wherein said first fastener element extends from said convex outer surface and comprises engagement means extending outwardly from said outer surface.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-09-29 | 2001-03-31 | 2001-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-29 | 2005-03-31 | 2005-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-29 | 2009-03-31 | 2009-09-30 | $7700.00 | Window Closed / Lapsed |