Patent ID: 7913578

Claim:
A passenger's weight measurement device, comprising: a cushion, left and right fixed rails that are fixable to the vehicle, left and right movable members that are movable in a front-and-rear direction on the left and right fixed rails, respectively, the left movable member comprising a left movable rail and a left cushion frame and the right movable member comprising a right movable rail and a right cushion frame; at least one load sensor that is disposed on one of the left and right movable members and between the one of the left and right movable member's rail and its corresponding cushion frame, the load sensor comprising a rod portion on a central portion of the load sensor, a bridging member provided between the left and right movable members in between a front end and a rear end of the right and left cushion frames relative to a side surface of the right and left cushion frames, a connecting member for connecting between the left and right movable members, and a load sensor attachment member for attaching the load sensor to the one of the left and right movable members, wherein the load sensor attachment member comprises a first attachment portion and a second attachment portion for attaching the load sensor attachment member to the one of the left and right movable members, the first attachment portion being provided more frontwardly then the rod portion of the load sensor, and the second attachment portion being provided more rearwardly than the rod portion of the load sensor, a connecting portion for connecting with the one of the left and right movable members being provided on an edge portion of the connecting member, the edge portion of the connecting member being on a load sensor side of the connecting member, wherein the first attachment portion, the second attachment portion and the connecting portion are disposed on a same plane.