Patent ID: 7409766

Claim:
A folding knife, comprising: a handle having first and second opposed side walls held in a spaced-apart arrangement to define a slot therebetween; a first blade having a working portion and a tang portion pivotally attached to the handle, said first blade movable between a closed position and an open position; a first spring member disposed between the first blade and one of said side walls, and a second spring member disposed between the first blade and the other of said side walls; a lock bar disposed between said first and second spring members, said lock bar having a first blade engaging surface on a first end for locking the blade in the open position; and a first pin with opposite ends extending into said handles and extending through bores in said spring members and said lock bar, wherein the diameter of the bores in said spring members is greater than the diameter of said first pin and said lock bar is pivotal about said first pin, and a second pin with opposite ends extending to said spring members and extending through a bore in said lock bar between said first pin and said first end of said lock bar; wherein said spring members apply biasing pressure to said lock bar and exert pressure on the first blade engaging surface of said lock bar through the interconnection between said spring members and said lock bar with said second pin.