| US 7,457,428 B2 | ||
| Double hearing protection device | ||
| Michael A. Vaudrey, Blacksburg, Va. (US); William Saunders, Blacksburg, Va. (US); Yu Du, Christiansburg, Va. (US); and Jonathan Hager, Salem, Va. (US) | ||
| Assigned to Adaptive Technologies, Inc., Blacksburg, Va. (US) | ||
| Filed on Jul. 27, 2006, as Appl. No. 11/494,067. | ||
| Prior Publication US 2008/0025524 A1, Jan. 31, 2008 | ||
| Int. Cl. H04R 25/00 (2006.01) | ||
| U.S. Cl. 381—372 [381/380] | 15 Claims |
| 1. A double hearing protection device comprising:
a circumaural hearing protector, wherein the circumaural hearing protector comprises an earcup adapted for covering a pinna
of a user, and wherein the earcup comprises an interior attachment point;
an earplug device adapted for manual insertion into an ear canal of a user;
a tether assembly, wherein the tether assembly comprises an earplug termination and an earcup termination, and wherein the
tether assembly is adapted for:
attaching to the earplug device at the earplug termination;
removably attaching to the interior attachment point of the earcup at the earcup termination; and
retracting for storage inside the earcup when the earcup is placed over the earplug device and over the pinna of the user.
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