US Patent 11207790 Out-the-front knife with side locking mechanism

An out-the-front knife comprises a handle having a blade channel, a slider channel, and an insert channel interposed between them. A blade in the blade channel and a firing mechanism in the slider channel configured to extend and retract the blade. The blade comprising a blade insert configured to contact the firing mechanism. The firing mechanism comprises a front slider arm, a rear slider arm, a front lock, and a rear lock. When the blade is in the open position, the blade insert is biased against the front slider arm and the front lock and when the blade is in the closed position, the blade insert is biased against the rear slider arm and the rear lock.