| 摘要 |
A collapsible keyboard. The collapsible keyboard includes a keyboard chassis, a right track frame, a right key set and a main key set. The right track frame is disposed on the keyboard chassis and slides rightward and leftward. The right track frame has a first sloped sliding groove. The left portion of the first sloped sliding groove is higher than the right portion of the first sloped sliding groove. The right key set is connected to the right track frame. The right track frame is moved rightward to a right expansion position when the right key set moves rightward. The right track frame is moved leftward to a right contraction position when the right key set moves leftward. The main key set has a right protruding element. The right protruding element is formed on the right side of the main key set and slides in the first sloped sliding groove.
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