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1. (WO2017155708) COMPLIANT CONSTRAINED HEADBAND SPRING

Pub. No.:    WO/2017/155708    International Application No.:    PCT/US2017/019307
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Sat Feb 25 00:59:59 CET 2017
IPC: H04R 5/033
Applicants: BOSE CORPORATION
Inventors: WALLACE, Eric, M.
MONAHAN, Michael, J.
BUTLAND, Derek, James
Title: COMPLIANT CONSTRAINED HEADBAND SPRING
Abstract:
A compliant constrained headband spring for audio headphones includes a headband spring element and a stiffness enhancing element coupled to the headband spring element. The compliant constrained headband spring exhibits a first stiffness in an open position and a second stiffness greater than the first stiffness when closed beyond a predetermined point.