| 主权项 |
1. A vehicle seat slide device, comprising:
a first rail which is provided to extend in a front-rear direction of a vehicle and includes a pair of first side wall portions provided to line up in a width direction, and a pair of first flanges which overhang from tips of the first side wall portions to inside in the width direction in which the first flanges approach each other and are further folded to a base end side of the first side wall portions; a second rail which is joined to the first rail to be capable of moving in the front-rear direction of the vehicle and includes a pair of second side wall portions which are provided to line up in the width direction between the first flanges, a connecting wall portion which connects base ends of the second side wall portions which are distanced from the first rail to each other in the width direction, and a pair of second flanges which overhang to an outside in the width direction in which the second flanges distance from each other from the tips of the second side wall portions and are further folded so as to be surrounded by the first side wall portions and the first flanges; and a locking member which is joined to the second rail to rotate freely around an axial line extending in the width direction within the second rail and is capable of restricting relative movement of the first rail and the second rail, wherein holes are formed in the second side wall portions so as to be open in the width direction, each of the holes including a front-side hole, a rear-side hole which is disposed to leave an interval to the rear of the front-side hole in the vehicle, and a communicating hole which communicates tips of the front-side hole and the rear-side hole distancing from the connecting wall portion with each other in the front-rear direction of the vehicle, and wherein a pair of protruding portions, which are provided to protrude to an outside in the width direction on the locking member such that a separation distance between the protruding portions and the second side wall portions at positions of a pair of extending pieces which are formed in the second side wall portions through partitioning by the holes such that the communicating hole side is a free end is smallest, are provided. |
