| 摘要 |
A bistable clip suitable for clipping sheaves of paper, made from sheet metal with at least one hole in its upper surface ( 3 ), which toggles between a stable open position (for putting papers in or taking papers out) and a stable closed position (for gripping the papers), and which comprises a spine ( 2 ) stiffened to some degree by the shaping of the material in the spine ( 2 ).
|
