Patent ID: 7845733
Filing Date: 2010-12-07
Classification: B60N

Abstract:
1. A seat comprising: a frame for a sitting portion of a person, the frame comprising a front frame member, a rear frame member, and opposing left and right side frame members extending between the front and rear frame members; a seat material disposed between the front and rear frame members, and between the side frame members, the seat material comprising a front end side that is fixed to the front frame member, a rear end side that is connected to the rear frame member, and side edge portions disposed within the side frame members, wherein a width of the seat material is smaller than a distance between the right side frame member and the left side frame member such that the side edge portions of the seat material are disposed within the frame to form gaps between the side edge portions of the seat material and the right and left side frame members, respectively, and the rear end side of the seat material is disposed within the front frame member and the rear frame member, and at the vicinity of the rear frame member such that at least one helical spring is disposed within a gap formed between the rear end side of the seat material and the rear frame member; and connecting the rear end side of the seat material to the rear frame member; and a support member disposed at a lower side of the seat material, and elastically supported at the frame for a sitting portion so as to support a femoral region of a seated person.