05-01-2017 дата публикации
Номер: US20170001828A1
A telephone wire withdrawing device, which is used for achieving the drawing and withdrawing functions of a telephone wire, enabling a smooth operation, thereby improving the usage experience of a user, and avoiding call distortion caused by using an electric brush because it is unnecessary to use the electric brush. The telephone wire withdrawing device in the application includes a slide block, a machine frame, a microphone, a telephone wire, a first roller, a rotating self-locking mechanism, a second roller and an extension spring, wherein the rotating self-locking mechanism is composed of a base, a gear shell, a paddle, a first resilient sheet and a second resilient sheet. 1. A telephone wire withdrawing device , comprising a slider , a frame , a handset , a telephone wire , a first roller , a rotary self-locking mechanism , a first roller , and an extension spring , whereinthe rotary self-locking mechanism comprises a base, a toothed component, a swing piece, a first resilient sheet, and a second resilient sheet;the slider is fitted in a guiding slot of the frame, and slides cooperatively in the guiding slot;the first roller is fixed to the slider;the telephone wire has one end fixed on the frame and another end rounding the first roller and being connected to the handset;the second roller is fixed to the frame;the extension spring has one end fixed to the frame and another end rounding the second roller and being connected to the slider and provides a restoring force for the slider when the slider slides cooperatively in the guiding slot;the frame is provided with a rack-like groove, and the rack-like groove and the toothed component of the rotary self-locking mechanism constitute a gear-rack-like structure;the base of the rotary self-locking mechanism is fixed on the slider, and when the slider slides cooperatively in the guiding slot, the toothed component of the rotary self-locking mechanism meshes with the rack-like groove of the frame and rolls in the ...
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