| 摘要 |
PROBLEM TO BE SOLVED: To prevent sinking due to a seat belt load in a floor of a vehicular cabin of a frame vehicle wherein a seat attached with an anchor of a seat belt to the seat itself is installed. SOLUTION: On the floor of the vehicular cabin of the frame vehicle installed on a frame 2 which is a frame member through a mount member at an interval from the frame 1, a reinforcing structure for the floor 2 of the vehicular cabin wherein a seat 3 provided with a winding device 51 for a three-point type seat belt 5 on a seat back 31 and coupling an anchor member 54 supporting two points of the seat belt 5 to a seat cushion 30 is installed is constituted. In front of an installing position of the seat 3 on the floor 2, a reinforcing member 22a of a closed cross section structure extending in a vehicular cabin width direction along the lower surface of a foot staying portion 20 of a seated occupant is provided. Oppositely, on the upper surface of the frame 1, a stopper 6 projecting upward is provided. At the time of the sinking of the foot staying portion 20, the reinforcing member 22a is received by the stopper to prevent the sinking deformation of a floor 2. COPYRIGHT: (C)2007,JPO&INPIT
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