Pivoting energy attenuating seat

Details Pivoting energy attenuating seat Pivoting energy attenuating seat

B - Operations, Transporting

60

N

155/8

B60N 2/42 (2006.01) B60N 2/427 (2006.01) B64D 25/04 (2006.01)

Patent

CA 2006888

An energy attenuating seat for a vehicle includes a seat member having a seat back and a seat pan. The seat pan includes a front and rear portion. The seat back is rigidly attached to a rigid seat structure or directly to the vehicle. Support structure is provided which is rigidly attached to the vehicle and which is disposed adjacent to the front portion of the seat pan for supporting the seat pan front portion. Structure is provided for hingedly interconnecting the seat pan front portion and the support structure, such that the seat pan rotates about this interconnection. An energy attenuator is interconnected between the seat back and the rear portion of the seat pan, such that vertical load forces experienced by an occupant of the vehicle during a crash causes the seat pan to pivot downwardly whereby the rear portion of the seat pan is disposed closer to the vehicle floor than the seat pan front portion. A vertical height adjustment is provided by allowing the seat to pivot upward or downward.

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