Safety belt system for vehicles

A passive safety belt system for a vehicle having a door with an edge hinged to a forward and side portion of the vehicle and having a seat with a first side adjacent to said door, said belt system comprising:

• a first webbing providing a shoulder belt part and a waist belt part, the opposite ends of said first webbing being respectively positioned adjacent to upper and lower ends of the door edge opposite from the hinged edge;
• first retractor means secured to said door, one end of said first webbing being connected to said first retractor means for protraction and retraction and the other end of said first webbing being secured to the door;
• a loop member on said first webbing dividing said first webbing into said shoulder belt part and said waist belt part;
• a second webbing having one end thereof attached to said loop member;
• second retractor means adjacent to a second side of the seat opposite the first side, said second retractor means being connected to the other end of said second webbing for protraction and retraction, the retractive force of said second retractor means being stronger than that of said first retractor means;
• and
• moving means engaged with said second webbing and movable along said second side of the seat in response to opening and closing of said door for moving both said webbings forward and backward relative to said seat.