Patent ID: 7941927

Claim:
A folding knife comprising, an elongated handle portion, a blade pivotally secured to said handle for movement from a retracted locked position within the handle to an extended locked use position, a locking arm slidably disposed with said handle for selective engagement on oppositely disposed parallel edge engagement portions of said blade, said locking arm and said parallel edge engagement portions of said blade are of an equal cross-sectional dimension, a transition blade edge portion between said blade parallel edge engagement portions engaged by a free end of said locking arm, a selective blade edge engagement lug extending from said locking arm in spaced longitudinal relation to said free end of said locking arm engaging said blade edge only when in blade closed lock position, a spring receiving slot in said locking arm extending inwardly in oppositely disposed relation to said blade engagement free end of said locking arm, and means for rectilinear movement of said locking arm against a spring, said spring retained within said spring receiving slot by a pin, said locking arm extends longitudinally outwardly from said handle to release said blade for movement.