FR2236437A1 - Egg shaped crash helmet for motor cyclists - radius of cross section reduces towards the top of the helmet - Google Patents

Egg shaped crash helmet for motor cyclists - radius of cross section reduces towards the top of the helmet

Info

Publication number
FR2236437A1
FR2236437A1 FR7325284A FR7325284A FR2236437A1 FR 2236437 A1 FR2236437 A1 FR 2236437A1 FR 7325284 A FR7325284 A FR 7325284A FR 7325284 A FR7325284 A FR 7325284A FR 2236437 A1 FR2236437 A1 FR 2236437A1
Authority
FR
France
Prior art keywords
helmet
egg shaped
radius
cross
section reduces
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.)
Granted
Application number
FR7325284A
Other languages
English (en)
Other versions
FR2236437B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GLOMAUD BERNARD
Original Assignee
GLOMAUD BERNARD
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 GLOMAUD BERNARD filed Critical GLOMAUD BERNARD
Priority to FR7325284A priority Critical patent/FR2236437A1/fr
Priority to IT2486074A priority patent/IT1015713B/it
Publication of FR2236437A1 publication Critical patent/FR2236437A1/fr
Application granted granted Critical
Publication of FR2236437B1 publication Critical patent/FR2236437B1/fr
Granted legal-status Critical Current

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
    • A42B3/0493—Aerodynamic helmets; Air guiding means therefor
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Helmets And Other Head Coverings (AREA)
FR7325284A 1973-07-10 1973-07-10 Egg shaped crash helmet for motor cyclists - radius of cross section reduces towards the top of the helmet Granted FR2236437A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7325284A FR2236437A1 (en) 1973-07-10 1973-07-10 Egg shaped crash helmet for motor cyclists - radius of cross section reduces towards the top of the helmet
IT2486074A IT1015713B (it) 1973-07-10 1974-07-05 Casco per guidatori di veicoli ed in particolare di motociclette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7325284A FR2236437A1 (en) 1973-07-10 1973-07-10 Egg shaped crash helmet for motor cyclists - radius of cross section reduces towards the top of the helmet

Publications (2)

Publication Number Publication Date
FR2236437A1 true FR2236437A1 (en) 1975-02-07
FR2236437B1 FR2236437B1 (fr) 1976-06-18

Family

ID=9122346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7325284A Granted FR2236437A1 (en) 1973-07-10 1973-07-10 Egg shaped crash helmet for motor cyclists - radius of cross section reduces towards the top of the helmet

Country Status (2)

Country Link
FR (1) FR2236437A1 (fr)
IT (1) IT1015713B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573630A1 (fr) * 1984-11-26 1986-05-30 Santini Jean Jacques Casque de protection sportif ou professionnel
US5097538A (en) * 1990-06-11 1992-03-24 Feuling Engineering, Inc. Helmet
US5271102A (en) * 1990-06-11 1993-12-21 Feuling James J Helmet with fluid flow termination surface

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239946A (en) * 1939-12-26 1941-04-29 Jr Thomas B Upchurch Protective helmet
US2901751A (en) * 1957-07-03 1959-09-01 Robert S Gales Noise attenuator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239946A (en) * 1939-12-26 1941-04-29 Jr Thomas B Upchurch Protective helmet
US2901751A (en) * 1957-07-03 1959-09-01 Robert S Gales Noise attenuator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573630A1 (fr) * 1984-11-26 1986-05-30 Santini Jean Jacques Casque de protection sportif ou professionnel
US5097538A (en) * 1990-06-11 1992-03-24 Feuling Engineering, Inc. Helmet
US5271102A (en) * 1990-06-11 1993-12-21 Feuling James J Helmet with fluid flow termination surface

Also Published As

Publication number Publication date
FR2236437B1 (fr) 1976-06-18
IT1015713B (it) 1977-05-20

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Legal Events

Date Code Title Description
DR Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse
ST Notification of lapse