US4843642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combat vehicle crewman helmet
Assignee: Individual
•
Filing: 1987-06-16
•
Granted: 1989-07-04
•
Expires: 2007-06-16
Abstract
Abstract A flexible helmet for armored vehicle crewmen which has a plurality of adjustable straps which position ear shells and ear seals and a unitary impact-absorbing pad which forms a virtually continuous layer of protection while conforming to the head of the wearer.
Inventors
- 👤 Richard A. Brower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:45
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/16; A42B3/166; A42B3/10; A42B3/12; A42B3/125; A42B3/32; A42B3/324
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
157 words
A soft helmet comprising: a shell of yieldable material; a generally oblong, unitary head-covering pad of resilient, energy-absorbing material fitted within and secured to said yieldable shell conforming to the head of a wearer and oriented to extend from the brow to the wearer to the back of the head of the wearer, said pad sized to cover the brow of the wearer and the top, sides and back of the head of the wearer and having a plurality of lateral indentations in each of its longer sides with the adjacent edges of each of said indentations abutting one another; a pair of ear shells secured to said yieldable shell at opposite lateral sides thereof; ear seals on said ear shells; and adjustable tensioning means for positioning said ear shells centrally over the ears of the wearer while biasing said ear seals against the head of the wearer in surrounding relation to the ears of the wearer.
Claim 2
Dependent Claim
157 words
A soft helmet comprising: a shell of yieldable material; a generally oblong, unitary head-covering pad of resilient, energy-absorbing material fitted within and secured to said yieldable shell conforming to the head of a wearer and oriented to extend from the brow to the wearer to the back of the head of the wearer, said pad sized to cover the brow of the wearer and the top, sides and back of the head of the wearer and having a plurality of lateral indentations in each of its longer sides with the adjacent edges of each of said indentations abutting one another; a pair of ear shells secured to said yieldable shell at opposite lateral sides thereof; ear seals on said ear shells; and adjustable tensioning means for positioning said ear shells centrally over the ears of the wearer while biasing said ear seals against the head of the wearer in surrounding relation to the ears of the wearer.
Claim 3
Dependent Claim
20 words
The helmet of claim 1 wherein said pad includes at least four lateral indentations in each of its longer sides.
Claim 4
Dependent Claim
25 words
The helmet of claim 1 wherein the central, unindented region of said pad is adapted to protect the crown of the wearer's head from impacts.
Claim 5
Dependent Claim
25 words
The helmet of claim 3 wherein said indented lateral regions of said pad are adapted to protect the sides of the wearer's head from impacts.
Claim 6
Dependent Claim
29 words
The helmet of claim 4 wherein said pad has front and rear unindented regions adapted to protect the brow and occipital regions of the wearer's head, respectively, from impacts.
Claim 7
Dependent Claim
43 words
The helmet of claim 1 wherein said tensioning means comprises at least three adjustable straps extending circumferentially about the wearer's head on the outside of said shell, from the region adjacent the left ear shell, to the region adjacent the right ear shell.
Claim 8
Dependent Claim
17 words
The helmet of claim 6 wherein said plurality of said straps includes a releaseably securable adjustable chinstrap.
Claim 9
Dependent Claim
15 words
The helmet of claim 6 wherein said plurality of said straps includes a nape strap.
Claim 10
Dependent Claim
15 words
The helmet of claim 6 wherein said plurality of said straps includes a brow strap.
Claim 11
Dependent Claim
15 words
The helmet of claim 6 wherein said plurality of said straps includes a crown strap.
Claim 12
Dependent Claim
35 words
The helmet of claim 1 further comprising a sizing means adapted to adjust the circumference of said yieldable shell in a plane generally extending from the brow to the occipital region of the wearer's head.
Claim 13
Dependent Claim
25 words
The helmet of claim 11 wherein said sizing means comprises a draw cord situated in a channel disposed on the surface of said yieldable shell.
Claim 14
Dependent Claim
19 words
The helmet of claim 12 wherein said draw cord is discontinuous across the brow region of the wearer's head.
References Cited (Backward Citations)
US1602727A
Cited
GB524059A
Cited
FR996612A
Cited
US3005203A
Cited
US3190973A
Cited
US3082428A
Cited
US3197784A
Cited
US3153792A
Cited
US3470564A
Cited
US3513482A
Cited
US3541611A
Cited
US3596288A
Cited
US3786519A
Cited
DE2324686A1
Cited
US3943572A
Cited
US4443891A
Cited
US4516274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-03 | 1993-01-02 | 1993-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-03 | 1997-01-02 | 1997-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-03 | 2001-01-02 | 2001-07-04 | $7700.00 | Window Closed / Lapsed |