| 摘要 |
A "spring powered toggle joint lock" for a folding knife; comprising a blade lock of three primary elements. A rotating toggle link at the rear of the knife handle connected by a pivoting knee joint to a traveling toggle, which is in turn pivotally joined to the tang of the opening and closing blade. A spring configured so as to constantly urge the pivot points of the rotating toggle and traveling toggle into a straight line, generating an over-center action. The effect of the spring and toggle combination is to propel the opening blade towards open and the closing blade towards closed. Control pins attached to the traveling toggle and protruding to the surface of the handle, on both sides of the handle, provides the means to collapse the toggle lockup by thumb pressure, thereby allowing ambidextrous, one handed manipulation of a toggle locking folding knife.
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