Patent ID: 8779305

Claim:
A passenger weight measurement device for a vehicle seat, comprising: right and left frame members configured to support the vehicle seat and extend along a front-and-rear axis, a first attachment portion and a second attachment portion located in a first portion and a second portion of at least one of the right and left frame members, respectively, the first and second attachment portions being provided with a first load sensor and a second load sensor, respectively, and a first elastic member provided between the first attachment portion and a first holding member and a second elastic member provided between the second attachment portion and a second holding member, the first and second elastic members being compressed, and the first and second holding members being respectively provided at the first load sensor and the second load sensor, wherein the first portion and the second portion are wider along a right-and-left axis than a middle portion of the at least one frame member, wherein the middle portion is between the first portion and the second portion, wherein the first and second attachment portions and the at least one frame member are formed as a single member, wherein at least one projecting wall projecting along an up-and-down axis is formed on at least one of the first and second attachment portions, the at least one projecting wall and the at least one of the first and second attachment portions being formed as a single member, wherein the at least one projecting wall and the at least one frame member are formed as a single member, wherein the right-and-left axis is perpendicular to the front-and-rear axis, wherein first and second rod portions respectively project from the first and second load sensors, wherein the first elastic member and the first holding member are arranged between the first rod portion and the first attachment portion, and wherein the second elastic member and the second holding member are arranged between the second rod portion and the second attachment portion.