Revolver with two chambers cylinder

A revolver with a two chambers cylinder, of the type that has a low profile and with no protruding parts from a frame, the revolver comprising the frame provided with a grip at its back portion, a trigger at its lower portion and a barrel at its front portion, the frame further comprising a central opening that defines a cylinder housing, the cylinder having an oblong shape and having two chambers radially opposite with respect to a rotation axis of the cylinder, wherein:

• the trigger is provided with an arm at its front portion, an impeller shaft transversely projecting from the arm;
• an impeller having the form of a longitudinal bar shaped with displacement of the vertical direction, having on the bottom a cradle, so as to receive and articulate the impeller shaft, and teeth arranged at the upper portion of the impeller able to engage the teeth of a pinion;
• a gear co-axially disposed with respect to the rotation axis of the cylinder, the gear comprising at its rear portion a pinion and comprising at its front portion a pair of gear slopes inclined and radially opposite to one another and arranged internally to a divergent conical portion of the gear;
• a ratchet co-axially disposed with respect to the rotation axis and inwardly disposed relative to the cylinder, the ratchet having a cylindrical shape, externally provided with longitudinal teeth for coupling in rotation, but not in longitudinal translation, with the cylinder, the end of the ratchet, facing the gear, has a pair of ratchet slopes complementary to the gear slopes;
• and
• the cylinder comprising a central longitudinal opening, from the front end of said longitudinal opening is arranged, inside the cylinder, a rotation shaft and, from the rear end of said central longitudinal opening is arranged the ratchet and wherein, between the rotation shaft and the ratchet is provided a ratchet spring.