DK242784A - Styrthjelm - Google Patents

Styrthjelm Download PDF

Info

Publication number
DK242784A
DK242784A DK242784A DK242784A DK242784A DK 242784 A DK242784 A DK 242784A DK 242784 A DK242784 A DK 242784A DK 242784 A DK242784 A DK 242784A DK 242784 A DK242784 A DK 242784A
Authority
DK
Denmark
Prior art keywords
crash helmet
helmet
crash
Prior art date
Application number
DK242784A
Other languages
English (en)
Other versions
DK242784D0 (da
Inventor
Christian Zahn
Original Assignee
Schuberth Werk Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schuberth Werk Kg filed Critical Schuberth Werk Kg
Publication of DK242784D0 publication Critical patent/DK242784D0/da
Publication of DK242784A publication Critical patent/DK242784A/da

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/06—Impact-absorbing shells, e.g. of crash helmets
    • A42B3/062—Impact-absorbing shells, e.g. of crash helmets with reinforcing means
    • A42B3/065—Corrugated or ribbed shells
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/0493—Aerodynamic helmets; Air guiding means therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Helmets And Other Head Coverings (AREA)
DK242784A 1983-06-04 1984-05-17 Styrthjelm DK242784A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3320301A DE3320301C1 (de) 1983-06-04 1983-06-04 Sturzhelm

Publications (2)

Publication Number Publication Date
DK242784D0 DK242784D0 (da) 1984-05-17
DK242784A true DK242784A (da) 1984-12-05

Family

ID=6200706

Family Applications (1)

Application Number Title Priority Date Filing Date
DK242784A DK242784A (da) 1983-06-04 1984-05-17 Styrthjelm

Country Status (9)

Country Link
US (1) US4564959A (da)
EP (1) EP0127811A3 (da)
JP (1) JPS609906A (da)
AU (1) AU560906B2 (da)
CA (1) CA1222852A (da)
DE (2) DE3320301C1 (da)
DK (1) DK242784A (da)
ES (1) ES288707Y (da)
NO (1) NO842208L (da)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836464A (ja) * 1982-07-21 1983-03-03 Canon Inc 液体記録装置
DE3325601C2 (de) * 1983-07-15 1985-06-27 Bayerische Motoren Werke AG, 8000 München Schutzhelm für Motorradfahrer
JPS6385626U (da) * 1986-11-22 1988-06-04
JP2712165B2 (ja) * 1987-02-16 1998-02-10 セイコーエプソン株式会社 インクジェット式記録ヘッドの駆動方法
GB9213704D0 (en) * 1992-06-27 1992-08-12 Brine C A Safety helmet
WO1994002042A1 (en) * 1992-07-16 1994-02-03 Willi Hans Velke Protective helmet
US5575018A (en) * 1994-04-26 1996-11-19 Bell Sports, Inc. Open cockpit racing helmet
US5887280A (en) * 1995-03-10 1999-03-30 Waring; John Wearable article for athlete with vortex generators to reduce form drag
CA2144350A1 (en) * 1995-03-10 1996-09-11 John Waring Drag reducing arrangement for athlete
EP0914046A1 (en) * 1995-09-08 1999-05-12 David L. Jacobs Reducing drag on bodies moving through fluid mediums
US5836016A (en) * 1996-02-02 1998-11-17 Jacobs; David L. Method and system for reducing drag on the movement of bluff bodies through a fluid medium and increasing heat transfer
US5794275A (en) * 1996-02-09 1998-08-18 Donzis; Byron A. Impact absorbing shield for protective gear
JPH1047315A (ja) * 1996-07-29 1998-02-17 Junichi Hirata 流体抵抗低減用品
US5996128A (en) * 1998-12-31 1999-12-07 Korea Ogk Co., Ltd. Air flow adjusting rear member of the helmet
USD434532S (en) * 1999-07-27 2000-11-28 Anthony Moscatello Helmet
GB2353939A (en) * 1999-09-13 2001-03-14 Rodney Aston Lee An aerodynamic safety helmet
US6260212B1 (en) * 1999-10-12 2001-07-17 Mine Safety Appliances Company Head-protective helmet with geodesic dome
IT248131Y1 (it) * 1999-11-12 2002-12-10 Stilma Srl Elementi di protezione localizzata, del tipo con elevato grado diresistenza all'abrasione, particolarmente per l'abbigliamento tecnico
GB2400301A (en) * 2003-04-10 2004-10-13 Helmet Integrated Syst Ltd Protective helmet shell
FI20030538A (fi) * 2003-04-10 2004-10-11 Esko Kalevi Pulkka Menetelmä liikekitkan vähentämiseksi
WO2006089235A1 (en) 2005-02-16 2006-08-24 Ferrara Vincent R Air venting, impact-absorbing compressible members
US7832023B2 (en) * 2004-12-07 2010-11-16 Crisco Joseph J Protective headgear with improved shell construction
US20070284848A1 (en) * 2006-05-23 2007-12-13 Nike, Inc. Drag-reducing structure
ES2298040B1 (es) * 2006-06-08 2009-04-01 Marco Antonio Navarro Juan Superficie aerodinamica y fluidodinamica.
DE202007003602U1 (de) 2007-03-08 2007-07-26 Casco Group Societate In Comandita Simpla (Scs) Sporthelm mit geringem Luftwiderstand
US20100103261A1 (en) * 2008-10-23 2010-04-29 James Michael Felt Bicycle handlebar video system
US20100186150A1 (en) * 2009-01-28 2010-07-29 Xenith, Llc Protective headgear compression member
US20120047634A1 (en) * 2009-05-14 2012-03-01 Uday Vaidya Long fiber thermoplastic helmet inserts and helmets and methods of making each
US9398782B2 (en) 2010-04-23 2016-07-26 Felt Racing, Llc Aerodynamic bicycle helmet
DE102011112790A1 (de) * 2010-09-09 2012-03-15 Oliver Schimpf Schutzhelm; Verfahren zur Verminderung oder Verhinderung einer Kopfverletzung
US8814150B2 (en) 2011-12-14 2014-08-26 Xenith, Llc Shock absorbers for protective body gear
US8950735B2 (en) 2011-12-14 2015-02-10 Xenith, Llc Shock absorbers for protective body gear
US9642410B2 (en) 2013-02-06 2017-05-09 Turtle Shell Protective Systems Llc Helmet with external shock wave dampening panels
JP6549820B2 (ja) 2014-06-06 2019-07-24 株式会社Ｓｈｏｅｉ シールド及びヘルメット
US9408423B2 (en) * 2014-09-25 2016-08-09 David A. Guerra Impact reducing sport equipment
US11585638B1 (en) * 2015-05-29 2023-02-21 Dennis P Gagnon, Jr. Combat helmet having force impact distribution
US10736371B2 (en) 2016-10-01 2020-08-11 Choon Kee Lee Mechanical-waves attenuating protective headgear
US11134738B2 (en) 2017-10-25 2021-10-05 Turtle Shell Protective Systems Llc Helmet with external flexible cage
US10433610B2 (en) 2017-11-16 2019-10-08 Choon Kee Lee Mechanical-waves attenuating protective headgear
US10561189B2 (en) 2017-12-06 2020-02-18 Choon Kee Lee Protective headgear
CN109008035B (zh) * 2018-07-25 2021-10-15 王晖 一种缓冲结构、头盔
USD969409S1 (en) 2019-04-18 2022-11-08 Wayne Bentley Evans Helmet

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2081335A (en) * 1935-07-17 1937-05-25 Standard Sports Mfg Co Head guard
GB730121A (en) * 1953-05-15 1955-05-18 Vivian Cleland Dewar Gray Improvements in bodies adapted to have relative motion with respect to a fluid
AT235033B (de) * 1962-01-27 1964-08-10 Wastl Mariner Kopfschutz
US3551911A (en) * 1969-02-04 1971-01-05 George Frost Co Protective helmet and method of making same
US3548410A (en) * 1969-05-01 1970-12-22 Jerry W Parker Airfoil face shield and helmet
US3783450A (en) * 1973-02-05 1974-01-08 Connor W O Hockey helmet
US3927421A (en) * 1974-08-23 1975-12-23 Alan A Simon Helmet visor
DE2526336A1 (de) * 1975-06-12 1976-12-16 Kalman Gyoery Einsatz fuer sicherheitshelme, insbesondere motorradhelme
DE7607301U1 (de) * 1976-03-10 1976-12-09 Fa. Hans Roemer, 7910 Neu-Ulm Motorsporthelm
US4075714A (en) * 1976-11-15 1978-02-28 Sierra Engineering Co. Helmet characterized by negative lift
GB2048056B (en) * 1979-04-25 1982-12-15 Int Helmets Ag Safety helmet
FR2523411A1 (fr) * 1982-03-22 1983-09-23 Renault Casque a structure alveolaire, notamment pour cycliste ou cyclomotoriste

Also Published As

Publication number Publication date
DE8316411U1 (de) 1984-04-05
ES288707U (es) 1986-01-16
DK242784D0 (da) 1984-05-17
US4564959A (en) 1986-01-21
NO842208L (no) 1984-12-05
EP0127811A2 (de) 1984-12-12
CA1222852A (en) 1987-06-16
AU2894084A (en) 1984-12-06
DE3320301C1 (de) 1984-11-08
AU560906B2 (en) 1987-04-16
EP0127811A3 (de) 1985-01-23
ES288707Y (es) 1986-10-01
JPS609906A (ja) 1985-01-19

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Legal Events

Date Code Title Description
ATS Application withdrawn