Patent ID: 7614578
Filing Date: 2009-11-10
Classification: H04R

Abstract:
1. A headphone, comprising: an input cord; a take-up unit provided in a housing to take up said input cord into said housing; a ratchet wheel rotatable in conjunction with said take-up unit, said ratchet wheel being provided with at least one locking pawl portion; a pivotally supported turning arm pivotally mounted relative to said casing to provide one end portion of the turning arm at one side of the pivotal mounting and another end portion of the turning arm at another side of the pivotal mounting; an engaging pawl provided at the one end portion of said turning arm, said engaging pawl being engaged with said at least one locking pawl portion when being forced toward said ratchet wheel; and a buffer material provided between the another end portion of said turning arm and said housing.