AU7957175A - Helmet and earcup assembly - Google Patents
Helmet and earcup assemblyInfo
- Publication number
- AU7957175A AU7957175A AU79571/75A AU7957175A AU7957175A AU 7957175 A AU7957175 A AU 7957175A AU 79571/75 A AU79571/75 A AU 79571/75A AU 7957175 A AU7957175 A AU 7957175A AU 7957175 A AU7957175 A AU 7957175A
- Authority
- AU
- Australia
- Prior art keywords
- helmet
- earcup assembly
- earcup
- assembly
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Helmets And Other Head Coverings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
USUS509667 | 1974-09-26 | ||
US509667A US3906547A (en) | 1974-09-26 | 1974-09-26 | Headset retainer for helmet |
Publications (2)
Publication Number | Publication Date |
---|---|
AU493561B2 AU493561B2 (en) | 1976-09-30 |
AU7957175A true AU7957175A (en) | 1976-09-30 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
DE2517398C2 (en) | 1986-04-24 |
US3906547A (en) | 1975-09-23 |
IT1034723B (en) | 1979-10-10 |
GB1496448A (en) | 1977-12-30 |
DE2517398A1 (en) | 1976-04-15 |
CA1021501A (en) | 1977-11-29 |
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