IT1034723B - RETENTION ELEMENT OF HEADPHONES LISTEN FOR HELMET OR SIMILAR - Google Patents

RETENTION ELEMENT OF HEADPHONES LISTEN FOR HELMET OR SIMILAR

Info

Publication number
IT1034723B
IT1034723B IT21847/75A IT2184775A IT1034723B IT 1034723 B IT1034723 B IT 1034723B IT 21847/75 A IT21847/75 A IT 21847/75A IT 2184775 A IT2184775 A IT 2184775A IT 1034723 B IT1034723 B IT 1034723B
Authority
IT
Italy
Prior art keywords
headphones
helmet
listen
similar
retention element
Prior art date
Application number
IT21847/75A
Other languages
Italian (it)
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 IT1034723B publication Critical patent/IT1034723B/en

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
    • A42B3/30—Mounting radio sets or communication systems
    • 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
IT21847/75A 1974-09-26 1975-03-28 RETENTION ELEMENT OF HEADPHONES LISTEN FOR HELMET OR SIMILAR IT1034723B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US509667A US3906547A (en) 1974-09-26 1974-09-26 Headset retainer for helmet

Publications (1)

Publication Number Publication Date
IT1034723B true IT1034723B (en) 1979-10-10

Family

ID=24027611

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21847/75A IT1034723B (en) 1974-09-26 1975-03-28 RETENTION ELEMENT OF HEADPHONES LISTEN FOR HELMET OR SIMILAR

Country Status (5)

Country Link
US (1) US3906547A (en)
CA (1) CA1021501A (en)
DE (1) DE2517398C2 (en)
GB (1) GB1496448A (en)
IT (1) IT1034723B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023209A (en) * 1975-12-17 1977-05-17 Gentex Corporation Protective helmet assembly with segmental outer shell
IT1072641B (en) * 1976-01-30 1985-04-10 Piech Corina PROTECTION HELMET
DE2915990C3 (en) * 1979-04-20 1986-05-07 Heinrich Andreas Dipl.-Ing. 6380 Bad Homburg Peiker Receiver for attaching to a protective helmet
GB9027677D0 (en) * 1990-12-20 1991-02-13 Coal Industry Patents Ltd Improvements in or relating to powered helmet respirators
US5283914A (en) * 1990-12-20 1994-02-08 Coal Industry (Patents) Limited Protective helmets
US5522091A (en) * 1994-03-21 1996-06-04 Gentex Corporation Sighter's protective helmet
US6978034B2 (en) 1999-11-16 2005-12-20 Lazzeroni John J Helmet headset mounting assembly and method
US7616774B2 (en) * 1999-11-16 2009-11-10 Lazzeroni John J Clampless headset mounting assembly
US9149669B2 (en) * 2013-02-01 2015-10-06 3M Innovative Properties Company Respiratory protection device harness assembly
US10779604B2 (en) * 2015-11-30 2020-09-22 Galvion Ltd. Earphone and helmet with earphone

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1456524A (en) * 1918-04-13 1923-05-29 Western Electric Co Helmet
US1616187A (en) * 1925-07-22 1927-02-01 Hart Henry Ridgeway Helmet
US1774325A (en) * 1928-03-21 1930-08-26 Spalding & Bros Ag Aviator's helmet
US1879353A (en) * 1929-01-18 1932-09-27 Stewart S Cooper Aviator's helmet
FR834520A (en) * 1937-07-28 1938-11-23 Gueneau Et Cie Helmet for aviators and the like
US2408490A (en) * 1944-04-18 1946-10-01 Stevens Stanley Smith Earphone socket
US2871484A (en) * 1953-09-24 1959-02-03 Leonard P Frieder Close-fitting helmet
US2893011A (en) * 1954-09-24 1959-07-07 Leonard P Frieder Sound attenuator helmet
US3148376A (en) * 1962-01-05 1964-09-15 Leonard P Frieder Support for head engaging device
US3400406A (en) * 1966-05-17 1968-09-10 Leonard Peter Frieder Positioning means for sound attenuating ear cups on safety helmets
US3786519A (en) * 1970-11-12 1974-01-22 Gentex Corp Headgear structure
US3784984A (en) * 1972-03-20 1974-01-15 Gentex Corp Headgear structure

Also Published As

Publication number Publication date
AU7957175A (en) 1976-09-30
US3906547A (en) 1975-09-23
DE2517398A1 (en) 1976-04-15
CA1021501A (en) 1977-11-29
DE2517398C2 (en) 1986-04-24
GB1496448A (en) 1977-12-30

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