Patent US4233689A successfully refreshed from Google Patents.
US4233689A
Expired / Lapsed
US
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Protective headgear
Assignee: Individual
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Filing: 1978-03-27
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Granted: 1980-11-18
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Expires: 1998-03-27
Abstract
Abstract Disclosed herein is a protective device for the head which is particularly adapted for use in learning the art of self-defense and for training in the martial arts. The device is comprised of an inner transparent shell and a pair of flexible sheets of transparent material secured and disposed about the inner shell forming a transparent inflatable shock absorbing air chamber about the inner shell. When used in the martial arts, a plurality of pressure activated switches are provided in the inner shell at locations corresponding to vital target areas. When one of the switches is struck by a blow of sufficient force and at a given angle, the switch is closed and a light source carried by the shell is illuminated.
Inventors
- 👤 Stephen H. Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:52
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/08; A63B71/10
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
105 words
Protective headgear for protecting the wearer's head and face, said headgear comprising a transparent inner shell adapted to fit over the wearer's face, an outer sheet of transparent material extending over said inner shell and about the perimeter portion thereof and being sealably secured to said inner shell along the perimeter portion thereof defining an air tight chamber about said inner shell, a portion of said chamber extending about and inwardly of the perimeter portion of said inner shell, valve means for inflating said chamber to render said chamber shock absorbing, and means for securing said inner shell and outer sheet on the wearer's head.
Claim 2
Dependent Claim
105 words
Protective headgear for protecting the wearer's head and face, said headgear comprising a transparent inner shell adapted to fit over the wearer's face, an outer sheet of transparent material extending over said inner shell and about the perimeter portion thereof and being sealably secured to said inner shell along the perimeter portion thereof defining an air tight chamber about said inner shell, a portion of said chamber extending about and inwardly of the perimeter portion of said inner shell, valve means for inflating said chamber to render said chamber shock absorbing, and means for securing said inner shell and outer sheet on the wearer's head.
Claim 3
Dependent Claim
38 words
The combination of claim 1 wherein said inner shell and outer sheet include downwardly extending skirt portions such that said chamber extends over the wearer's throat upon securing said inner shell and outer sheet on the wearer's head.
Claim 4
Dependent Claim
47 words
The combination of claim 1 including axially lined breathing apertures in said inner shell and said outer sheet and means carried by said inner shell communicating the interior area about the breathing aperture in said inner shell with the atmosphere for reducing fogging on said inner shell.
Claim 5
Dependent Claim
43 words
The combination of claim 1 including a second sheet of transparent material disposed between said inner shell and said outer sheet, said second sheet and said outer sheet being secured to the perimeter portion of said inner shell and defining said airtight chamber.
Claim 6
Dependent Claim
101 words
Protective headgear comprising a transparent inner shell adapted to fit over the wearer's face, an outer sheet of transparent material sealably secured to said inner shell and defining an air tight chamber about said inner shell, valve means for inflating said chamber to render said chamber shock absorbing, means for securing said inner shell and said outer shell on the wearer's head, switch means carried by said inner shell and light indicating means in electrical contact with said switch means such that upon striking said switch means with sufficient force to close said switch means, said light indicating means are activated.
Claim 7
Dependent Claim
101 words
Protective headgear comprising a transparent inner shell adapted to fit over the wearer's face, an outer sheet of transparent material sealably secured to said inner shell and defining an air tight chamber about said inner shell, valve means for inflating said chamber to render said chamber shock absorbing, means for securing said inner shell and said outer shell on the wearer's head, switch means carried by said inner shell and light indicating means in electrical contact with said switch means such that upon striking said switch means with sufficient force to close said switch means, said light indicating means are activated.
Claim 8
Dependent Claim
61 words
The combination of claim 5 wherein said inner shell defines a contour generally corresponding to that of the wearer's face and said switch means are provided on said inner shell at locations corresponding to the positioning of the wearer's eyes and nose, the switch means provided at the location of the wearer's nose being activated solely by an upwardly directed force.
Claim 9
Dependent Claim
24 words
The combination of claim 6 wherein said upwardly directed force is within the range of 45 to 50 degrees with respect to the horizontal.
Claim 10
Dependent Claim
48 words
The combination of claim 6 wherein the force necessary to close the switch means assimulating the wearer's eyes is at least about 10 pounds per square inch and the force necessary to close the switch assimulating the wearer's nose is at least about 50 pounds per square inch.
Claim 11
Dependent Claim
85 words
Self-defense training apparatus comprising a body member, at least a portion thereof defining a contoured generally corresponding to a human head, switch means provided on said body locations corresponding to the positioning of the eyes and nose of the head, the switch means provided at the location corresponding to the positioning of the nose being activated solely by an upwardly directed force, and means carried by said body member and in electric contact with said switch means for indicating the closing of said switch means.
Claim 12
Dependent Claim
85 words
Self-defense training apparatus comprising a body member, at least a portion thereof defining a contoured generally corresponding to a human head, switch means provided on said body locations corresponding to the positioning of the eyes and nose of the head, the switch means provided at the location corresponding to the positioning of the nose being activated solely by an upwardly directed force, and means carried by said body member and in electric contact with said switch means for indicating the closing of said switch means.
Claim 13
Dependent Claim
78 words
A combination of claim 9 wherein the switch means provided at the location corresponding to the positioning of the eyes is activated solely by a force of at least 10 pounds per square inch and the switch means provided at the location corresponding to the positioning of the nose is activated solely by an upwardly directed force of at least 40 pounds per square inch and within the range of 45° to 50° with respect to the horizontal.
References Cited (Backward Citations)
US802505A
Cited
US2121702A
Cited
US2262449A
Cited
US2362597A
Cited
US2525389A
Cited
US2594478A
Cited
US3527461A
Cited
US3878563A
Cited
US4124904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-18 | 1984-05-19 | 1984-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-18 | 1988-05-19 | 1988-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-18 | 1992-05-19 | 1992-11-18 | $7700.00 | Window Closed / Lapsed |