Seat cushion frame, vehicle seat frame, and vehicle seat
AssigneesNHK Spring Co., Ltd., Subaru Corporation
InventorsSyunichirou Osa, Hiroki Matsuda, Jun Shirai, Masafumi Takano, Kenji Nagumo, Fumito Kitanaka, Suguru Ishikawa
Life of this patent
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Abstract
A seat cushion frame configuring a framework of a seat cushion for an occupant of a vehicle to sit on and including left and right side frames and a cushion pan. The left and right side frames are disposed at left and right side portions of the seat cushion. The cushion pan connects upper end portions of front portions of the left and right side frames together in a seat left-right direction, and is weakened locally at a weakened portion provided at a seat left-right direction center of a rear end portion of the cushion pan.
Claims7
A seat cushion frame configuring a framework of a seat cushion for an occupant of a vehicle to sit on, the seat cushion frame comprising:
- left and right side frames disposed at left and right side portions of the seat cushion;
- and
- a cushion pan that connects upper end portions of front portions of the left and right side frames together in a seat left-right direction, and that is weakened locally at a weakened portion provided at a seat left-right direction center of a rear end portion of the cushion pan;
- left and right links having respective one end portions connected to front portions of the left and right side frames;
- and
- a connection member configured to connect the left and right links together in the seat left-right direction, which is disposed below a rear portion of the cushion pan and separated by a gap from the rear portion of the cushion pan,
- wherein the weakened portion is not provided on both sides of the cushion pan in the seat left-right direction,
- wherein, when the cushion pan deforms from the weakened portion owing to a load from buttocks of the occupant during a head-on collision, the cushion pan is configured to impact the connection member, and the connection member is configured to suppress a deformation of the cushion pan,
- wherein, during the head-on collision, the cushion pan is fold-bended into a substantial V-shape as viewed along a front-rear direction of the vehicle, starting from the weakened portion, as a result of the load from the buttocks of the occupant.
Dependencies are inferred from the claim text.