US3994022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective helmet with liners
Assignee: Athletic Helmet Inc
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Filing: 1975-06-05
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Granted: 1976-11-30
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Expires: 1995-06-05
Abstract
Abstract A protective helmet comprising, a shell, and liner means of a flexible material having fluid filled chamber means and a relatively soft inner surface for contacting the wearer's head. The helmet also has a second liner of resilient material positioned intermediate at least a portion of the liner means and the shell.
Inventors
- 👤 Frank K. Villari
- 👤 Carl J. Steigerwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:16
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/12; A42B3/125; A42B3/121; Y; Y10; Y10S; Y10S2/00; Y10S2/908; Y10S2/909
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
123 words
A protective helmet, comprising: a relatively rigid shell, a first inner liner of flexible material having a crown portion located adjacent an upper central part of said shell for overlying a wearer's head, side portions extending radially from said crown portion toward a lower part of the shell for overlying opposed sides of the wearer's head, fluid filled chamber means comprising only one chamber extending through said crown portion into said portions and being sufficiently free of obstruction to permit relatively unimpeded passage of fluid between said crown and side portions, said first liner having a relatively soft inner surface for contacting the wearer's head, and said helmet having a second liner of resilient material positioning intermediate the first liner and said shell.
Claim 2
Dependent Claim
123 words
A protective helmet, comprising: a relatively rigid shell, a first inner liner of flexible material having a crown portion located adjacent an upper central part of said shell for overlying a wearer's head, side portions extending radially from said crown portion toward a lower part of the shell for overlying opposed sides of the wearer's head, fluid filled chamber means comprising only one chamber extending through said crown portion into said portions and being sufficiently free of obstruction to permit relatively unimpeded passage of fluid between said crown and side portions, said first liner having a relatively soft inner surface for contacting the wearer's head, and said helmet having a second liner of resilient material positioning intermediate the first liner and said shell.
Claim 3
Dependent Claim
20 words
The helmet of claim 1 wherein the second liner covers a substantial portion of an inner surface of said shell.
Claim 4
Dependent Claim
13 words
The helmet of claim 1 wherein said second liner comprises a foam material.
Claim 5
Dependent Claim
15 words
The helmet of claim 1 wherein said second liner comprises a closed cell foam material.
Claim 6
Dependent Claim
14 words
The helmet of claim 1 wherein said second liner comprises a vinyl foam material.
Claim 7
Dependent Claim
18 words
The helmet of claim 1 wherein the chamber means of the first liner is inflated with a gas.
Claim 8
Dependent Claim
21 words
The helmet of claim 1 wherein said first liner has a shore A hardness in the range of 45 to 55.
Claim 9
Dependent Claim
27 words
The helmet of claim 1 wherein the first liner has a plurality of hollow spoke members extending radially from an upper central portion of the first liner.
Claim 10
Dependent Claim
28 words
The helmet of claim 8 wherein the first liner has a hollow annular member communicating with the spoke members adjacent an upper central portion of the first liner.
Claim 11
Dependent Claim
34 words
The helmet of claim 8 wherein the first liner has a hollow rim extending at least partially around the shell and communicating with the spoke members adjacent a lower portion of the first liner.
Claim 12
Dependent Claim
21 words
The helmet of claim 1 wherein the second liner includes a lower portion extending below a back edge of the shell.
Claim 13
Dependent Claim
112 words
A protective helmet, comprising: a shell; a first inner liner of flexible material having first fluid filled chamber means; a second liner of flexible material positioned intermediate the first liner and said shell and having second fluid filled chamber means at least partially located intermediate the first chamber means and said shell, said second liner having a lower end spaced above a lower end of the first liner at least partially around the shell; and a third liner of resilient material positioned intermediate the lower end of the first liner and said shell, with said third liner extending at least partially around the shell in the space defined below the second liner.
Claim 14
Dependent Claim
112 words
A protective helmet, comprising: a shell; a first inner liner of flexible material having first fluid filled chamber means; a second liner of flexible material positioned intermediate the first liner and said shell and having second fluid filled chamber means at least partially located intermediate the first chamber means and said shell, said second liner having a lower end spaced above a lower end of the first liner at least partially around the shell; and a third liner of resilient material positioned intermediate the lower end of the first liner and said shell, with said third liner extending at least partially around the shell in the space defined below the second liner.
Claim 15
Dependent Claim
34 words
The helmet of claim 12 in which the lower end of the second liner is spaced from the lower end of the first liner at least substantially around a lower portion of the shell.
Claim 16
Dependent Claim
17 words
The helmet of claim 13 in which the third liner extends at least substantially around the shell.
Claim 17
Dependent Claim
14 words
The helmet of claim 12 in which the third liner comprises a foam material.
Claim 18
Dependent Claim
16 words
The helmet of claim 12 in which the third liner comprises a closed cell foam material.
Claim 19
Dependent Claim
23 words
The helmet of claim 12 in which the third liner includes a lower portion extending below a lower back edge of the shell.
Claim 20
Dependent Claim
47 words
The helmet of claim 12 wherein the first and second liners include a hollow rim adjacent the lower end of the respective liner and extending at least substantially around said shell, with the rim of the second liner being spaced above the rim of the first liner.
Claim 21
Dependent Claim
48 words
The helmet of claim 12 wherein the first and second liners have a plurality of hollow spoke members extending radially from an upper central portion of the respective liner, with the spoke members of the first liner being generally aligned with the spoke members of the second liner.
Claim 22
Dependent Claim
72 words
The helmet of claim 18 wherein first and second liners have a plurality of hollow spoke members extending radially from an upper central portion of the respective liner, with the spoke members of the first liner being generally aligned with the spoke members of the second liner, and in which the spoke members of the first and second liners communicate with the respective rim adjacent a lower end of the respective liner.
Claim 23
Dependent Claim
32 words
The helmet of claim 19 in which the first and second liners include a hollow annular member communicating with the respective spoke members adjacent an upper central portion of the respective liner.
Claim 24
Dependent Claim
26 words
The helmet of claim 12 wherein said second liner is less deformable than the first liner responsive to a given force level applied against the helmet.
Claim 25
Dependent Claim
104 words
A protective helmet, comprising: a shell; liner means positioned in the shell and having first fluid filled chamber means and second fluid filled chamber means at least partially located intermediate the first chamber means and said shell, with an outer lower part of said liner means being spaced above an inner lower part of the liner means, and with said inner part of the liner means including at least a portion of said first chamber means; and a liner of resilient material positioned intermediate the inner lower part of the layer means and said shell below the outer lower part of the liner means.
Claim 26
Dependent Claim
104 words
A protective helmet, comprising: a shell; liner means positioned in the shell and having first fluid filled chamber means and second fluid filled chamber means at least partially located intermediate the first chamber means and said shell, with an outer lower part of said liner means being spaced above an inner lower part of the liner means, and with said inner part of the liner means including at least a portion of said first chamber means; and a liner of resilient material positioned intermediate the inner lower part of the layer means and said shell below the outer lower part of the liner means.
Claim 27
Dependent Claim
84 words
A protective helmet, comprising: a shell; liner means positioned in the shell and having an upper part defining first and second fluid filled chamber means, with the second chamber means being located intermediate the first chamber means and said shell, and a lower part spaced from the shell and having a fluid filled chamber means extending at least partially around a lower portion of the shell; and a liner of resilient material positioned intermediate said lower part of the liner means and said shell.
Claim 28
Dependent Claim
84 words
A protective helmet, comprising: a shell; liner means positioned in the shell and having an upper part defining first and second fluid filled chamber means, with the second chamber means being located intermediate the first chamber means and said shell, and a lower part spaced from the shell and having a fluid filled chamber means extending at least partially around a lower portion of the shell; and a liner of resilient material positioned intermediate said lower part of the liner means and said shell.
Claim 29
Dependent Claim
31 words
The helmet of claim 24 wherein the chamber means of said lower part of the liner means communicates with the first chamber means of said upper part of the liner means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-11-30 | 1980-05-31 | 1980-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-11-30 | 1984-05-31 | 1984-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-11-30 | 1988-05-31 | 1988-11-30 | $7700.00 | Window Closed / Lapsed |