Occupant restraint passenger seat assembly with load-sensing energy absorption feature

A passenger seat for a bus, the bus having a body with a seat-mounting surface, comprising:

• a seat frame mountable to the seat-mounting surface;
• a rear seat frame engaged with the seat frame, the rear seat frame being pivotable with respect to the seat frame;
• a front frame engaged to the seat frame and located forward of the rear seat frame, the front frame having a back resting portion, the front frame is configured for translational movement with respect to the seat frame, wherein the seat frame, the rear seat frame and the front frame form the passenger seat of the bus, wherein when the front frame translates, the back resting portion does not pivot with respect to a lower portion of the front frame;
• and
• a passenger restraint member engaged to the front frame;
• wherein in a first position, the rear seat frame is generally parallel to the back resting portion in a reclined position, and in a second position, the rear seat frame pivots to an inclined position that is generally not parallel to the back resting portion such that the rear seat frame contacts the back resting portion only at an upper surface of the back resting portion;
• wherein a predetermined load causes the rear seat frame to pivot forward and push the front frame to translate forward;
• wherein the front frame is adapted to be a fixture of the bus.