Invention Grant
US09449772B2 Low-travel key mechanisms using butterfly hinges 有权
使用蝴蝶铰链的低旅行关键机构

Low-travel key mechanisms using butterfly hinges
Abstract:
A key mechanism can include one or more butterfly hinges. Each butterfly hinge includes a double wing design operative to move between a depressed position and non-depressed position. Hinged coupling mechanisms couple respective arms of the wings together.
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