Abstract: An out the front (OTF) knife, including a handle, a blade slider mechanism, and a blade. The blade slider mechanism including: a liner having a longitudinal central channel and a first outer surface and a second outer surface opposite the first surface; a tang portion of the blade configured to ride along the first outer surface; and a slider coupled to the tang and having a portion configured to travel in the central channel of the liner and one or more portions configured to ride along the second outer surface, and wherein the liner is slideably captured between tang and the slider.

Abstract: A knife having a latchless locking mechanism having a handle half with a left handle portion and a right handle portion held apart to form a blade groove. The left handle portion and the right handle portion each include a liner including a pivot slot and a first lock pin disposed between the first left handle portion and the first right handle portion. A blade having a tang that is pivotally and slidably coupled to the handle half with a pivot pin, the tang including a tang slot configured to accept the locking pin and a hook portion extending over the tang slot, the hook portion configured to capture the lock pin when the blade is in a locked position and thereby prevent rotation of the blade from the first locked position to the open position. A latchless locking system is also provided.

Abstract: An out the front (OTF) knife, including a handle, a blade slider mechanism, and a blade. The blade slider mechanism including: a liner having a longitudinal central channel and a first outer surface and a second outer surface opposite the first surface; a tang portion of the blade configured to ride along the first outer surface; and a slider coupled to the tang and having a portion configured to travel in the central channel of the liner and one or more portions configured to ride along the second outer surface, and wherein the liner is slideably captured between tang and the slider.