Patent ID: 8820464

Claim:
A seat, comprising: right and left fixed rail members that are fixable to a vehicle floor; right and left movable frame members, each of the right and left movable frame members comprising a movable rail member that is disposed to be movable on a said fixed rail member and a side frame member extending in a front-and-rear direction above the movable rail member; a load sensor comprising a rod portion projecting from a main body of the load sensor and that is attached to at least one of the right and left movable frame members; a load sensor attachment portion is provided on at least a part of at least one of the right and left movable frame members; an elastic member that is penetrated by the rod portion; a first support surface portion for supporting one side of the elastic member and a second support surface portion for supporting the other side of the elastic member; and a space enlarging projecting portion that enlarges a space between the first support surface portion and the second support surface portion provided on at least one of the first support surface portion and the second support surface portion, wherein at least a part of the elastic member is in contact with a surface of the space enlarging projecting portion, and the space enlarging projecting portion is formed from a portion of one of the first support surface portion and the second support surface portion that bends away from the other of the first support surface portion and the second support surface portion.