Wheelchair occupant restraint device

A wheelchair occupant restraint device comprising:

• a wheelchair retractor which is disposed on one side of a securing space for a wheelchair in a vehicle cabin, and around which one end portion of a wheelchair belt member is wound so as to be pulled out;
• a wheelchair buckle which is disposed on an opposite side of the securing space from the wheelchair retractor, and on which a wheelchair tongue plate attached to an other end portion of the wheelchair belt member is able to be mounted;
• an occupant retractor which is disposed on the opposite side of the securing space from the wheelchair retractor, and around which one end portion of an occupant belt member is wound so as to be pulled out;
• and
• an occupant buckle which is disposed on an opposite side of the securing space from the occupant retractor, and on which an occupant tongue plate attached to the other end portion of the occupant belt member is able to be mounted.