| 摘要 |
<p>A cutting tool comprising a one-piece plastic tongs having flat cutting blades disposed at the free ends thereof, the U-shaped portion of the tongs acting as a torsion spring to urge the blades into the proper cutting relationship as the legs of the tongs are moved together, the torsion spring portion being biased to urge the legs of the tongs to a normal fully open position and being loaded by distorting the U-shaped portion through relative movement of the legs from the normal fully open position to a latched position in which the cutting edges of the blades are exposed for cutting.</p> |
