Retractor pretensioner assembly

A seatbelt pretensioning retractor assembly including a spindle and a frame for use in a vehicle, the seatbelt pretensioning retractor assembly comprising:

• a housing adapted for being mounted to the frame and having an interior cavity;
• a pretensioner tube having an arcuate and curved shape having a first tube end in fluid communication with a gas generator and an exit in fluid communication with the interior cavity of the housing;
• a sprocket rotatably mounted to the housing and fixedly coupled to the spindle adapted for taking up a seatbelt webbing during a pretensioning;
• a rod disposed within the pretensioning tube and having a proximal end disposed towards the gas generator and a distal end disposed away from the gas generator;
• and
• a guide plate placed in the housing, the guide plate having at least one tab for resiliently contacting the pretensioner tube when the pretensioner tube is installed in the housing mounted the frame.