US3208080A - Protective helmet - Google Patents
Protective helmet Download PDFInfo
- Publication number
- US3208080A US3208080A US355981A US35598164A US3208080A US 3208080 A US3208080 A US 3208080A US 355981 A US355981 A US 355981A US 35598164 A US35598164 A US 35598164A US 3208080 A US3208080 A US 3208080A
- Authority
- US
- United States
- Prior art keywords
- helmet
- sections
- segments
- liner
- protective helmet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001681 protective effect Effects 0.000 title claims description 12
- 239000000463 material Substances 0.000 claims description 23
- 230000035939 shock Effects 0.000 claims description 15
- 239000012530 fluid Substances 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
- A42B3/322—Collapsible helmets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S2/00—Apparel
- Y10S2/903—Fiberglass
Definitions
- Such helmets in the past have been constructed with rigid shells which make the helmet bulky and difiicult to store. This becomes a problem especially when such helmets are used in a limited space environment in which there exists a desire for more equipment than space available.
- the liners of such prior art protective helmets have generally employed resilient material. Materials of this nature have the disadvantage when used in a protective helmet of merely temporarily storing the energy of a shock only to release it a short time later thus transmitting the shocks to the wearer.
- the liner material it has been found desirable for the liner material to have the property of dissipating the energy of a shock applied to the helmet.
- the liner of a crushable material such that the energy of shock is transformed and dissipated in the plastic deformation of the liner material.
- the liner may be employed for the liner a plurality of fluid filled, vented compartments with flexible wall, thus rendering the liner reusable.
- Another object of this invention is to provide a helmet which is designed to absorb and dissipate the energy of a shock applied thereto.
- FIG. 1 is a perspective View of a helmet constructed according to this invention
- FIG. 2 is an enlarged section taken along the line 22 on FlGl;
- FIG. 3 is a view of a modified arrangement of the liner and shell showing a mode of attachment of the liner to the shell;
- FIG. 4 shows a modification of the liner employing fluid filled sections with vents
- FIG. 5 shows a modification of the liner to allow for ventilation.
- the helmet 11 is composed of a plurality of overlapping segments 12 of a hard reinforced plastic resin or suitable equivalent material such as a nylon laminate or as nylon or fiberglass reinforcing in a polyester or epoxy resin binder.
- the individual segments are designed to form a collapsible outer shell of articulated segments and to conform to the shape of the wearers head.
- the segments may be elastically hinged together as by being attached to a stretchable layer of flexible material (not shown).
- This hard outer shell or layer prosass Patented Sept. 28, 1965 vides protection against penetration, while the segmental construction permits the helmet to be collapsed into a small volume for storage.
- An inner liner 13 consists of a plurality of sections of a material selected for absorbing and dissipating the energy of a shock received by the helmet.
- These liner sections may be made from any of suitable material such as for example, the non-resilient polyurothance foams, orushable paper products, and vegetable fibers. Another form of construction of these sections is to form them as fluid containing bags 13a, as shown in FIG. 4, with venting means 13b of any suitable design to release the fluid if the pressure peak of the shock exceeds a predetermined level.
- the material is selected to plastically deform at predetermined energy levels.
- the helmet may be constructed by having the sections of the inner liner attached to the corresponding segments of the outer shell, as by a cement. The Whole of the helmet is then held together by a cloth covering 14 attached to the side of the liner sections nearest the wearers head.
- FIG. 3 the sections of the inner liner 13 are shown as enclosed in a cloth bag 15 with stitching 16 between the segments to hold them in place, and with the bags 15 being attached to the segments of the outer shell by threads or wires 17 passing through eyelets 18 which may be formed integral with or attached to the respective segments of the outer shell.
- the sections of the inner liner are so mounted that allowance is made in the spacing of these sections to enable the helmet to be collapse-d.
- the thickness of the inner liner material is designed for the particular material selected to absorb the maximum or normally expected shocks, within the limitation of the practical size of the helmet.
- FIG. 5 shows that the surface of the inner liner may be made in the form of ridges 20 to allow for ventilation of the wearers head. Some ventilation may be provided by the spacing between the sections of the liner. Additional ventilation may be provided by means of perforations through the liner material (not shown), and in cases where ventilation is of major concern and some of the strength of the outer layer may be sacrificed, the perforations may be extended through both the inner liner and outer layer or shell.
- a protective helmet comprising:
- an outer thin shell composed of a plurality of overlapping segments of a light stiff material means interconnecting said segments, Whereby said segments are collectively shaped to conform generally tothe shape of the wearers head;
- an inner liner secured to said outer shell comprising a layer made up of a plurality of sections of a material for absorbing and dissipating the energy of a shock, means hingedly connecting said sections whereby said sections conform generally to the shape of the Wearers head;
- a helmet as defined in claim 1 including a cloth bag in which the sections of material are enclosed, said bag being attached to each of said outer shell segments.
- a protective helmet comprising:
- an inner liner secured to said outer layer comprising a plurality of sections of a suitable plastically deformable material, each of said sections being secured to a corresponding segment said sect-ions being hingedly interconnect-ed through said segments, thereby being generally conformable to the shape of the wearers head;
Description
Sept. 28, 1965 A. E. HIRSCH 3,208,080
PROTECTIVE HELMET Filed March 30, 1964 FIG. 5. INVENTOR.
ARTHUR E. HIRSCH United States Patent 3,208,080 PROTECTIVE HELMET Arthur Ernest Hirsch, Montgomery County, Md assignor to the United States of America as represented by the Secretary of the Navy Filed Mar. 30, 1964, Ser. No. 355,981 11 Claims. (Cl. 23) (Granted under Title 35, US. Code (1952), sec. 266) The invention described herein may be manufactured and used by or for the Government of the United States of America for governmental purposes Without the payment of any royalties thereon or therefor.
The present invention relates to a protective helmet. More particularly this invention relates to a protective helmet capable of absorbing shocks and so constructed as to permit collapsing for storage.
Such helmets in the past have been constructed with rigid shells which make the helmet bulky and difiicult to store. This becomes a problem especially when such helmets are used in a limited space environment in which there exists a desire for more equipment than space available. Further, the liners of such prior art protective helmets have generally employed resilient material. Materials of this nature have the disadvantage when used in a protective helmet of merely temporarily storing the energy of a shock only to release it a short time later thus transmitting the shocks to the wearer. In connection with the present invention it has been found desirable for the liner material to have the property of dissipating the energy of a shock applied to the helmet. This is found to be possible by constructing the liner of a crushable material such that the energy of shock is transformed and dissipated in the plastic deformation of the liner material. In another version of the invention there may be employed for the liner a plurality of fluid filled, vented compartments with flexible wall, thus rendering the liner reusable.
It is therefore an object of this invention to produce a collapsible protective helmet.
Another object of this invention is to provide a helmet which is designed to absorb and dissipate the energy of a shock applied thereto.
Other objects and many of the attendant advantages of this invention will be readily appreciated as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings wherein:
FIG. 1 is a perspective View of a helmet constructed according to this invention;
FIG. 2 is an enlarged section taken along the line 22 on FlGl;
FIG. 3 is a view of a modified arrangement of the liner and shell showing a mode of attachment of the liner to the shell;
FIG. 4 shows a modification of the liner employing fluid filled sections with vents; and
FIG. 5 shows a modification of the liner to allow for ventilation.
Referring to the drawings in which the invention embodied therein is illustrated, there is shown a helmet 11. The helmet 11 is composed of a plurality of overlapping segments 12 of a hard reinforced plastic resin or suitable equivalent material such as a nylon laminate or as nylon or fiberglass reinforcing in a polyester or epoxy resin binder. The individual segments are designed to form a collapsible outer shell of articulated segments and to conform to the shape of the wearers head. Alternatively, the segments may be elastically hinged together as by being attached to a stretchable layer of flexible material (not shown). This hard outer shell or layer prosass Patented Sept. 28, 1965 vides protection against penetration, while the segmental construction permits the helmet to be collapsed into a small volume for storage.
An inner liner 13 consists of a plurality of sections of a material selected for absorbing and dissipating the energy of a shock received by the helmet. These liner sections may be made from any of suitable material such as for example, the non-resilient polyurothance foams, orushable paper products, and vegetable fibers. Another form of construction of these sections is to form them as fluid containing bags 13a, as shown in FIG. 4, with venting means 13b of any suitable design to release the fluid if the pressure peak of the shock exceeds a predetermined level. In choosing materials for the inner liner, the material is selected to plastically deform at predetermined energy levels. As shown in FIG. 2 the helmet may be constructed by having the sections of the inner liner attached to the corresponding segments of the outer shell, as by a cement. The Whole of the helmet is then held together by a cloth covering 14 attached to the side of the liner sections nearest the wearers head.
In FIG. 3 the sections of the inner liner 13 are shown as enclosed in a cloth bag 15 with stitching 16 between the segments to hold them in place, and with the bags 15 being attached to the segments of the outer shell by threads or wires 17 passing through eyelets 18 which may be formed integral with or attached to the respective segments of the outer shell. In all these arrangements the sections of the inner liner are so mounted that allowance is made in the spacing of these sections to enable the helmet to be collapse-d. The thickness of the inner liner material is designed for the particular material selected to absorb the maximum or normally expected shocks, within the limitation of the practical size of the helmet.
FIG. 5 shows that the surface of the inner liner may be made in the form of ridges 20 to allow for ventilation of the wearers head. Some ventilation may be provided by the spacing between the sections of the liner. Additional ventilation may be provided by means of perforations through the liner material (not shown), and in cases where ventilation is of major concern and some of the strength of the outer layer may be sacrificed, the perforations may be extended through both the inner liner and outer layer or shell.
It is to be understood that this invention may be practiced in ways than as specifically Ways described, as for example, by having the outer layer and inner liner separable.
Obviously many modification-s and variations of the present invention are possible in the light of the above teachings. It is therefore to be understood that within the scope of the appended claims the invention may be practiced otherwise than as specifically described.
What is claimed is:
1. A protective helmet comprising:
an outer thin shell composed of a plurality of overlapping segments of a light stiff material means interconnecting said segments, Whereby said segments are collectively shaped to conform generally tothe shape of the wearers head; and
an inner liner secured to said outer shell comprising a layer made up of a plurality of sections of a material for absorbing and dissipating the energy of a shock, means hingedly connecting said sections whereby said sections conform generally to the shape of the Wearers head;
thereby providing an efiicient collapsible shock absorbing protective helmet.
2. A helmet as defined in claim 1 in which the outer shell is made of a fiberglass reinforced plastic resin.
3. A helmet as defined in claim 1 in which the outer shell is formed from nylon cloth laminate.
4. A helmet as defined in claim 1 in which the outer shell is made from a hardened plastic.
5. A helmet as defined in claim 1 in which the said liner material is a crushable material.
6. A helmet as defined in claim 5 in which the said crushable material is a foamed plastic.
7. A helmet as defined in claim 6 in which said foamed plastic is polystyrene.
8. A helmet as defined in claim 1, including a cloth bag in which the sections of material are enclosed, said bag being attached to each of said outer shell segments.
9. A protective helmet comprising:
an outer layer of overlapping segments each of said segments being formed of a mol-dable material having a high coefficient of elasticity;
means hingedly interconnecting adjacent segments of said outer layer; and
an inner liner secured to said outer layer comprising a plurality of sections of a suitable plastically deformable material, each of said sections being secured to a corresponding segment said sect-ions being hingedly interconnect-ed through said segments, thereby being generally conformable to the shape of the wearers head;
said outer layer being generally conformable to a head i to form in combination with said liner shock protective helmet. 10. A helmet as claimed in claim 9 in which the sections of the liner are fluid containing flexible walled elements having venting means, said venting means being effective to release the fluid at a predetermined level of shock pressure.
11. A helmet as claimed in claim 9 in which said helmet includes means to provide ventilation for the Wearers head while wearing the helmet.
a collapsable References Cited by the Examiner UNITED STATES PATENTS 642,649 2/00 Vaughan 23 X 1,268,223 -6/ l8 Eimer 26 X 3,039,109 6/ 62 Simpson 23 3,070,802 1/63 Bernardini et al. 26 3,082,427 3/63 Zbikowski 23 3,107,356 1 0/ 6-3 Pestronk et al. 23
FOREIGN PATENTS 1,053,195 3/59 Germany.
539,577 9/41 Great Britain F ROBERT V. SLOAN, Primary Examiner,
JORDAN FRANKLIN, Examiner.
Claims (1)
1. A PROTECTIVE HELMET COMPRISING: AN OUTER THIN SHELL COMPOSED OF A PLURALITY OF OVERLAPPING SEGMENTS OF A LIGHT STIFF MATERIAL MEANS INTERCONNECTING SAID SEGMENTS, WHEREBY SAID SEGMENTS ARE COLLECTIVELY SHAPED TO CONFORM GENERALLY TO THE SHAPED OF THE WEARER''S HEAD; AND AN INNER LINER SECURED TO SAID OUTERSHELL COMPRISING A LAYER MADE UP OF A PLURALITY OF SECTIONS OF A MATERIAL FOR ABSORBING AND DISSIPATING THE ENERGY OF A SHOCK, MEANS HINGEDLY CONNECTING SAID SECTIONS WHEREBY SAID SECTIONS CONFORM GENERALLY TO THE SHAPE OF THE WEARER''S HEAD; THEREBY PROVIDING AN EFFICIENT COLLAPSIBLE SHOCK ABSORBING PROTECTIVE HELMET.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US355981A US3208080A (en) | 1964-03-30 | 1964-03-30 | Protective helmet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US355981A US3208080A (en) | 1964-03-30 | 1964-03-30 | Protective helmet |
Publications (1)
Publication Number | Publication Date |
---|---|
US3208080A true US3208080A (en) | 1965-09-28 |
Family
ID=23399577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US355981A Expired - Lifetime US3208080A (en) | 1964-03-30 | 1964-03-30 | Protective helmet |
Country Status (1)
Country | Link |
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US (1) | US3208080A (en) |
Cited By (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529306A (en) * | 1968-12-17 | 1970-09-22 | Edward P Thorne | Equalizer device |
US3600714A (en) * | 1969-03-19 | 1971-08-24 | Hop N Gator Inc | Hydraulic helmet |
US3829900A (en) * | 1973-08-30 | 1974-08-20 | Mine Safety Appliances Co | Safety hat energy absorbing liner |
US3859666A (en) * | 1973-03-19 | 1975-01-14 | Michael T Marietta | Crown cushion member |
US3877076A (en) * | 1974-05-08 | 1975-04-15 | Mine Safety Appliances Co | Safety hat energy absorbing liner |
US4286339A (en) * | 1978-12-04 | 1981-09-01 | Coombs Peter A | Fireman's helmet with energy absorbing liner |
US4766614A (en) * | 1986-12-31 | 1988-08-30 | Cantwell Jay S | Ventilated protective headgear |
EP0351147A1 (en) * | 1988-07-08 | 1990-01-17 | K&K Inc. | Protector and article of sportswear using the same |
US5168576A (en) * | 1990-10-03 | 1992-12-08 | Krent Edward D | Body protective device |
US5477563A (en) * | 1989-01-25 | 1995-12-26 | Giro Sport Design, Inc. | Helmet having a planar-molded infrastructure |
WO1999011152A1 (en) * | 1997-09-03 | 1999-03-11 | Sean Cayless | Protective wearing article, for example helmet |
EP0921734A1 (en) * | 1996-08-12 | 1999-06-16 | March, Richard W., II | Flexible helmet |
US6009562A (en) * | 1998-08-26 | 2000-01-04 | Bell Sports, Inc. | Helmet with accessory mounting apparatus and method of making the same |
US6009561A (en) * | 1998-08-26 | 2000-01-04 | Bell Sports Inc. | Helmet with rotatable accessory mount and method of making the same |
US6519782B2 (en) | 2001-05-01 | 2003-02-18 | Hos Development Corporation | Baseball catcher's chest protector |
US6687912B2 (en) | 2001-05-01 | 2004-02-10 | Hos Development Corporation | Baseball catcher's shin guard |
US20040107482A1 (en) * | 2001-08-07 | 2004-06-10 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
US20040199981A1 (en) * | 2003-04-08 | 2004-10-14 | Mjd Innovations, L.L.C. | Stretchable, size-adaptable fabric helmet insert with shock-bsorbing structure |
FR2865356A1 (en) * | 2004-01-28 | 2005-07-29 | Des Ouches Pascal Joubert | Protective helmet e.g. for sports use has series of outer rigid plates attached to inner deformable cap by supple connecting material |
WO2006005201A1 (en) * | 2004-07-09 | 2006-01-19 | Prospective Concepts Ag | Flexible protective helmet |
US20060150305A1 (en) * | 2003-07-10 | 2006-07-13 | Plut William J | Protective apparel breathing assistance |
US20070000025A1 (en) * | 2001-08-07 | 2007-01-04 | Brooke Picotte | Head protector for infants, small children, senior citizens, adults or physically disabled individuals |
WO2009090434A1 (en) * | 2008-01-16 | 2009-07-23 | Quesada Fernandez Jose Francisco Roberto | Helmet protection device |
US20110113533A1 (en) * | 2009-11-19 | 2011-05-19 | Manuel Guillen | Sports/swimming head protection device |
US20130191972A1 (en) * | 2010-10-13 | 2013-08-01 | Jeffrey Moss Woolf | Collapsible helmet |
US20140090154A1 (en) * | 2012-09-28 | 2014-04-03 | Matscitechno Licensing Company | Protective headgear system |
US20160058093A1 (en) * | 2010-02-26 | 2016-03-03 | Thl Holding Company, Llc | Protective headgear with impact diffusion |
US9332799B1 (en) * | 2014-10-14 | 2016-05-10 | Helmet Technologies LLC | Protective apparatus and method for dissipating force |
US9498014B2 (en) | 2010-07-22 | 2016-11-22 | Kranos Ip Corporation | Protective helmet |
US20170000197A1 (en) * | 2013-03-15 | 2017-01-05 | Russell Brands, Llc | Shoulder Pads and Foam Material for Body Protection |
US20170232327A1 (en) * | 2016-02-12 | 2017-08-17 | Carl Kuntz | Impact absorption padding for contact sports helmets |
CN107404960A (en) * | 2014-12-23 | 2017-11-28 | 意大利霞飞诺生产公司 | Used for moving, be particularly used for the protective helmet used in skiing |
USD838922S1 (en) | 2011-05-02 | 2019-01-22 | Riddell, Inc. | Football helmet |
USD844255S1 (en) | 2014-02-12 | 2019-03-26 | Riddell, Inc. | Football helmet |
US20190090573A1 (en) * | 2017-09-26 | 2019-03-28 | Tenacious Holdings, Inc. | Bump cap |
US10258100B1 (en) | 2012-06-18 | 2019-04-16 | Kranos Ip Corporation | Football helmet with raised plateau |
US10271605B2 (en) | 2007-04-16 | 2019-04-30 | Riddell, Inc. | Protective sports helmet |
US10327482B1 (en) * | 2014-10-14 | 2019-06-25 | Helmet Technologies LLC | Apparatus and method for dissipating force |
US10362829B2 (en) | 2013-12-06 | 2019-07-30 | Bell Sports, Inc. | Multi-layer helmet and method for making the same |
USD856601S1 (en) | 2011-05-02 | 2019-08-13 | Riddell, Inc. | Football helmet |
US10582731B2 (en) | 2013-03-15 | 2020-03-10 | Russell Brands, Llc | Protective foam material and pads |
US10582737B2 (en) | 2013-02-12 | 2020-03-10 | Riddell, Inc. | Football helmet with impact attenuation system |
US10721987B2 (en) | 2014-10-28 | 2020-07-28 | Bell Sports, Inc. | Protective helmet |
US10813403B2 (en) | 2018-11-01 | 2020-10-27 | Kranos Ip Corporation | Football helmet having exceptional impact performance |
US10874162B2 (en) | 2011-09-09 | 2020-12-29 | Riddell, Inc. | Protective sports helmet |
US10948898B1 (en) | 2013-01-18 | 2021-03-16 | Bell Sports, Inc. | System and method for custom forming a protective helmet for a customer's head |
US10993496B2 (en) | 2014-02-21 | 2021-05-04 | Matscitechno Licensing Company | Helmet padding system |
USD927084S1 (en) | 2018-11-22 | 2021-08-03 | Riddell, Inc. | Pad member of an internal padding assembly of a protective sports helmet |
US11167198B2 (en) | 2018-11-21 | 2021-11-09 | Riddell, Inc. | Football helmet with components additively manufactured to manage impact forces |
US11191316B2 (en) | 2017-04-26 | 2021-12-07 | Fend Corp. | Collapsible helmet |
US11213736B2 (en) | 2016-07-20 | 2022-01-04 | Riddell, Inc. | System and methods for designing and manufacturing a bespoke protective sports helmet |
US11253771B2 (en) | 2014-02-21 | 2022-02-22 | Matscitechno Licensing Company | Helmet padding system |
US11399589B2 (en) | 2018-08-16 | 2022-08-02 | Riddell, Inc. | System and method for designing and manufacturing a protective helmet tailored to a selected group of helmet wearers |
US11523652B2 (en) * | 2017-03-29 | 2022-12-13 | Park & Diamond Inc. | Helmet |
US20220400802A1 (en) * | 2021-06-21 | 2022-12-22 | Etienne Daigneault | Impact protecting cap for use under a helmet |
US11540578B2 (en) | 2020-03-12 | 2023-01-03 | Matscitechno Licensing Company | Helmet system |
US11540577B2 (en) | 2020-03-12 | 2023-01-03 | Matscitechno Licensing Company | Helmet system |
US11659882B2 (en) | 2014-02-21 | 2023-05-30 | Matscitechno Licensing Company | Helmet padding system |
US11678709B2 (en) | 2017-05-19 | 2023-06-20 | Mips Ab | Helmet |
US11730222B2 (en) | 2014-02-21 | 2023-08-22 | Matscitechno Licensing Company | Helmet padding system |
US11744312B2 (en) | 2014-02-21 | 2023-09-05 | Matscitechno Licensing Company | Helmet padding system |
WO2023186236A1 (en) * | 2022-04-01 | 2023-10-05 | Newton Rider Aps | Foldable helmet |
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US642649A (en) * | 1899-05-29 | 1900-02-06 | Norval C Vaughan | Armor. |
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GB539577A (en) * | 1940-12-04 | 1941-09-16 | Byson Appliance Company Ltd | Improvements in and relating to protective headwear |
US3039109A (en) * | 1958-10-16 | 1962-06-19 | Electric Storage Battery Co | Lining for safety helmets |
US3070802A (en) * | 1960-12-08 | 1963-01-01 | Albert T Bernardini | Formable bag construction for use as helmet liner or mattress |
US3082427A (en) * | 1960-05-19 | 1963-03-26 | Joseph Buegeleisen Company | Safety helmet |
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-
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- 1964-03-30 US US355981A patent/US3208080A/en not_active Expired - Lifetime
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US642649A (en) * | 1899-05-29 | 1900-02-06 | Norval C Vaughan | Armor. |
US1268223A (en) * | 1918-03-30 | 1918-06-04 | William Eimer | Bullet-proof garment. |
GB539577A (en) * | 1940-12-04 | 1941-09-16 | Byson Appliance Company Ltd | Improvements in and relating to protective headwear |
US3039109A (en) * | 1958-10-16 | 1962-06-19 | Electric Storage Battery Co | Lining for safety helmets |
US3082427A (en) * | 1960-05-19 | 1963-03-26 | Joseph Buegeleisen Company | Safety helmet |
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Cited By (107)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529306A (en) * | 1968-12-17 | 1970-09-22 | Edward P Thorne | Equalizer device |
US3600714A (en) * | 1969-03-19 | 1971-08-24 | Hop N Gator Inc | Hydraulic helmet |
US3859666A (en) * | 1973-03-19 | 1975-01-14 | Michael T Marietta | Crown cushion member |
US3829900A (en) * | 1973-08-30 | 1974-08-20 | Mine Safety Appliances Co | Safety hat energy absorbing liner |
US3877076A (en) * | 1974-05-08 | 1975-04-15 | Mine Safety Appliances Co | Safety hat energy absorbing liner |
US4286339A (en) * | 1978-12-04 | 1981-09-01 | Coombs Peter A | Fireman's helmet with energy absorbing liner |
US4766614A (en) * | 1986-12-31 | 1988-08-30 | Cantwell Jay S | Ventilated protective headgear |
EP0351147A1 (en) * | 1988-07-08 | 1990-01-17 | K&K Inc. | Protector and article of sportswear using the same |
US5477563A (en) * | 1989-01-25 | 1995-12-26 | Giro Sport Design, Inc. | Helmet having a planar-molded infrastructure |
US5423087A (en) * | 1990-10-03 | 1995-06-13 | Krent; Edward D. | Body protective device |
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