CA932668A - Sound-attenuating earcup and helmet containing same - Google Patents

Sound-attenuating earcup and helmet containing same

Info

Publication number
CA932668A
CA932668A CA071534A CA71534A CA932668A CA 932668 A CA932668 A CA 932668A CA 071534 A CA071534 A CA 071534A CA 71534 A CA71534 A CA 71534A CA 932668 A CA932668 A CA 932668A
Authority
CA
Canada
Prior art keywords
sound
containing same
helmet containing
attenuating earcup
earcup
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
Application number
CA071534A
Inventor
A. Aileo Jackson
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.)
Gentex Corp
Original Assignee
Gentex Corp
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 Gentex Corp filed Critical Gentex Corp
Application granted granted Critical
Publication of CA932668A publication Critical patent/CA932668A/en
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
    • A42B3/166—Integral hearing protection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Psychology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Helmets And Other Head Coverings (AREA)
CA071534A 1969-01-10 1970-01-06 Sound-attenuating earcup and helmet containing same Expired CA932668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79042369A 1969-01-10 1969-01-10

Publications (1)

Publication Number Publication Date
CA932668A true CA932668A (en) 1973-08-28

Family

ID=25150639

Family Applications (1)

Application Number Title Priority Date Filing Date
CA071534A Expired CA932668A (en) 1969-01-10 1970-01-06 Sound-attenuating earcup and helmet containing same

Country Status (5)

Country Link
US (1) US3535710A (en)
CA (1) CA932668A (en)
DE (1) DE2000933A1 (en)
FR (1) FR2031098A5 (en)
GB (1) GB1281122A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114197A (en) * 1976-09-09 1978-09-19 Morton William G Inter-liner for a safety helmet and method of assembly
US4905322A (en) * 1988-04-18 1990-03-06 Gentex Corporation Energy-absorbing earcup assembly
US5020163A (en) * 1989-06-29 1991-06-04 Gentex Corporation Earseal for sound-attenuating earcup assembly
US5632048A (en) * 1995-09-20 1997-05-27 Protector Development Protector hearing helmet
US5904143A (en) * 1996-10-21 1999-05-18 Magidson; Mark Foam earplug with non-permeable elastomeric coating
US6154890A (en) * 1999-06-04 2000-12-05 Gentex Corporation Enlarged earcup with adjustable earseal and improved noise attenuation
SE530035C2 (en) * 2004-11-17 2008-02-12 Sperian Hearing Prot Llc The ear cup
US20120102629A1 (en) * 2010-08-09 2012-05-03 Spear Labs, Llc Hearing protection system for use within a helmet
US8931118B2 (en) * 2011-11-29 2015-01-13 Steven A. Hein Motorsports helmet with noise reduction elements
USD733973S1 (en) * 2013-09-17 2015-07-07 Joey LaRocque Water polo headgear
US10104929B2 (en) 2014-10-07 2018-10-23 Light Speed Aviation, Inc. Helmet with externally positionable internal ear cups
EP3182406B1 (en) * 2015-12-16 2020-04-01 Harman Becker Automotive Systems GmbH Sound reproduction with active noise control in a helmet
USD952598S1 (en) * 2020-06-22 2022-05-24 Apple Inc. Component for a headphone
CN213100711U (en) * 2020-06-30 2021-05-04 广州市前锋水上运动器材用品有限公司 Swimming cap capable of preventing water from entering ears
US20230139105A1 (en) * 2021-11-02 2023-05-04 Lightspeed Aviation, Inc. Circumaural ear cushion/seal
US20240251902A1 (en) * 2023-01-26 2024-08-01 George Papadopoulos Helmet Sound Management Mechanism

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148376A (en) * 1962-01-05 1964-09-15 Leonard P Frieder Support for head engaging device
US3454964A (en) * 1967-05-03 1969-07-15 Mine Safety Appliances Co Adjustable ear protector

Also Published As

Publication number Publication date
US3535710A (en) 1970-10-27
GB1281122A (en) 1972-07-12
DE2000933A1 (en) 1970-07-23
FR2031098A5 (en) 1970-11-13

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