US Patent 9884741 Telephone wire withdrawing device
Patent 9884741 was granted and assigned to GRG Banking on February, 2018 by the United States Patent and Trademark Office.
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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.
US Patent 09884741 Telephone wire withdrawing device US Patent 9884741 Telephone wire withdrawing device
US Patent 09884741 Telephone wire withdrawing device
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