US Patent 10488132 Folding pistol

A folding pistol has an elongated trigger bar movable between a bar rear position in which discharge of the firearm is disabled, and a bar forward position operable to discharge the firearm, a trigger body connected to the trigger bar and movable between a first body position in which the trigger bar is maintained in the bar rear position and a second body position in which the trigger bar is in the bar forward position, a trigger lever movable with respect to the body between an extended position in which the trigger lever depends downwardly away from the frame and a folded position in which the trigger lever extends forward along the frame, and the trigger lever having a first body contact surface configured to restrain the trigger body in the first body position when the trigger lever is in the folded position, such that discharge is prevented.