US Patent 10126079 Folding pocket pistol

A folding pocket pistol has a frame, a barrel connected to the frame and defining a bore and a chamber and movable between an operating position and a loading position, a bolt connected to the frame and operable to reciprocate between a rearward cocked position and a forward battery position, a trigger connected to the frame and having a lever movable between a forward position and a rearward position, a grip connected to the frame and movable between a closed position abutting the frame, and an open position away from the frame, the grip defining a pocket adapted to receive the trigger lever when the trigger lever is in the forward position, and the grip having a pocket block surface adapted to contact a portion of the trigger lever when the trigger lever is in the rearward position, which prevents the grip moving to the closed position.