Seat back structure and seat for vehicle
AssigneeToyota Boshoku Kabushiki Kaisha
InventorsKenji Satou, Toshirou Oosaki, Terumitu Ozawa
Life of this patent
Estimating the term…
Abstract
A seat back structure includes a back frame and a flexible sheet-like member. The back frame formed into a frame-like skeleton of a seat has a fixing portion. The flexible sheet-like member is provided within the back frame so as to support a back portion of a passenger. The flexible sheet-like member comprises a first supporting portion that is engaged with the fixing portion to regulate a substantial backward movement of the first supporting portion over a predetermined distance. The first supporting portion is slidable in substantially upper and lower directions with respect to the fixing portion.
Claims10
A seat back structure comprising:
- a back frame being formed into a frame-like skeleton of a seat, the back frame comprising a fixing portion;
- and
- a flexible sheet-like member being provided within the back frame so as to support a back portion of a passenger, the flexible sheet-like member comprising a first supporting portion being engaged with the fixing portion of the back frame to regulate a substantial backward movement of the first supporting portion over a predetermined distance, and the first supporting portion being slidable in substantially upper and lower directions with respect to the fixing portion of the back frame.
A seat for vehicle comprising:
- a seat cushion;
- and
- a seat back comprising:
- a back frame formed into a frame-like skeleton of a seat, the back frame comprising a fixing portion;
- and
- a flexible sheet-like member being provided within the back frame so as to support a back portion of a passenger, the sheet like member comprising a first supporting portion being engageable with the fixing portion to regulate a substantial backward movement of the first supporting portion over a predetermined distance, and the first supporting portion being slidable in substantially upper and lower directions with respect to the fixing portion.
A seat back structure comprising:
- a sheet-like support means provided within a back frame, the sheet-like support means having a frame-like shape so as to support a load of a passenger side when the passenger is seated;
- a first supporting means provided in the sheet-like support means in a position where the sheet-like support means supports a back portion of the passenger, the first support means regulating a substantially backward movement of the sheet-like support means with respect to the back frame while allowing the sheet-like support means to move in substantially upper and lower directions with respect to the sheet-like support means;
- and
- a second supporting means provided in the sheet-like support means in a position where the sheet-like support means supports a lumbar portion of the passenger, the second supporting means regulating a substantially backward movement of the sheet-like support means with respect to the back frame within a predetermined distance while allowing the sheet-like support means to rotate and move backward.
Dependencies are inferred from the claim text.