LAP PRETENSIONER INCLUDING A STRUCTURE TO LIMIT GAS EMISSIONS

The present invention relates to a lap pretensioner including a structure to limit gas emissions comprises a connecting unit connected with the anchor or the buckle; and a pressure unit having an interior space formed therein into which a portion of the connecting unit is inserted, actuated by an impact on the vehicle to inject a fluid into the interior space, and moving a portion of the connecting unit in one direction under pressure of the fluid received therein to pull the anchor or the buckle; wherein the pressure unit is provided inside the interior space, and configured to allow fluid to move along the inside of a variable space that varies in response to the movement of the connecting unit.