JPS504416Y2 - - Google Patents

Info

Publication number
JPS504416Y2
JPS504416Y2 JP1971044224U JP4422471U JPS504416Y2 JP S504416 Y2 JPS504416 Y2 JP S504416Y2 JP 1971044224 U JP1971044224 U JP 1971044224U JP 4422471 U JP4422471 U JP 4422471U JP S504416 Y2 JPS504416 Y2 JP S504416Y2
Authority
JP
Japan
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
Application number
JP1971044224U
Other languages
Japanese (ja)
Other versions
JPS485928U (enrdf_load_stackoverflow
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 filed Critical
Priority to JP1971044224U priority Critical patent/JPS504416Y2/ja
Priority to US00256916A priority patent/US3778844A/en
Publication of JPS485928U publication Critical patent/JPS485928U/ja
Application granted granted Critical
Publication of JPS504416Y2 publication Critical patent/JPS504416Y2/ja
Expired 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
    • A42B3/16—Ear protection devices
    • A42B3/163—Wind or noise deflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Helmets And Other Head Coverings (AREA)
JP1971044224U 1971-05-31 1971-05-31 Expired JPS504416Y2 (enrdf_load_stackoverflow)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1971044224U JPS504416Y2 (enrdf_load_stackoverflow) 1971-05-31 1971-05-31
US00256916A US3778844A (en) 1971-05-31 1972-05-25 Apparatus for preventing whistling at hearing openings in helmets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971044224U JPS504416Y2 (enrdf_load_stackoverflow) 1971-05-31 1971-05-31

Publications (2)

Publication Number Publication Date
JPS485928U JPS485928U (enrdf_load_stackoverflow) 1973-01-23
JPS504416Y2 true JPS504416Y2 (enrdf_load_stackoverflow) 1975-02-06

Family

ID=27918586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971044224U Expired JPS504416Y2 (enrdf_load_stackoverflow) 1971-05-31 1971-05-31

Country Status (2)

Country Link
US (1) US3778844A (enrdf_load_stackoverflow)
JP (1) JPS504416Y2 (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8552817U1 (it) * 1985-01-09 1986-07-09 Boretti Gianromano Copricapo protettivo, particolarmente per attività sportive
US5101517A (en) * 1990-07-06 1992-04-07 Willie Douglas Sports helmet with transparent windows in the side walls
US5632048A (en) * 1995-09-20 1997-05-27 Protector Development Protector hearing helmet
US6073272A (en) * 1998-01-07 2000-06-13 Red Corp. Helmet with ear protection and a hearing enhancement feature
USD443730S1 (en) 2000-12-06 2001-06-12 Asics Corp. Wrestling ear guard
USD443729S1 (en) 2000-12-06 2001-06-12 Asics Corporation Wrestling ear guard
USD444270S1 (en) 2000-12-06 2001-06-26 Asics Corp. Wrestling ear guard
USD443955S1 (en) 2000-12-06 2001-06-19 Asics Corporation Wrestling ear guard
WO2007077983A1 (ja) * 2005-12-30 2007-07-12 Ken Mizuno 風切り音を軽減する装置
JP5286006B2 (ja) * 2008-09-17 2013-09-11 日本ゴア株式会社 防水通音フード
USD628748S1 (en) 2009-05-13 2010-12-07 Mark Allen Stewart Helmet
US8474064B2 (en) 2011-04-15 2013-07-02 Sam Neverson Hardy, III Ear hole cover for headgear
USD665154S1 (en) * 2011-09-12 2012-08-14 Richards Antoine D Cap
JP5656939B2 (ja) * 2012-08-24 2015-01-21 興研株式会社 防護服
WO2016079606A1 (en) * 2014-11-19 2016-05-26 GORLE, Prem Kumar Motorcycle helmet with inbuilt air filtration system
US11154108B2 (en) * 2015-02-25 2021-10-26 Joey LaRocque Vented soft-sided helmet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1714275A (en) * 1926-11-01 1929-05-21 Spalding & Bros Ag Head guard
US2140630A (en) * 1935-08-08 1938-12-20 Illguth Gustav Helmet
US2898596A (en) * 1958-02-27 1959-08-11 Clifford P Keen Wrestling helmet
US3205508A (en) * 1963-12-02 1965-09-14 Wilma W Cox Safety helmet liner and assembly
US3500475A (en) * 1967-03-01 1970-03-17 Honda Gijutsu Kenkyusho Kk Protective helmet

Also Published As

Publication number Publication date
JPS485928U (enrdf_load_stackoverflow) 1973-01-23
US3778844A (en) 1973-12-18

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