Patent ID: 7909230

Claim:
An attaching construction comprising: a first member comprising: a circular tubular welding portion at a distal end and, at a rear end thereof, a holding portion integral with the welding portion; and a second member comprising: an annular first positioning rib, and an annular second positioning rib inside the first positioning rib, wherein the welding portion is positioned within the first positioning rib, and wherein the welding portion is friction welded in place within the first positioning rib while the first member is rotated, wherein the welding portion comprises: a raised and recessed configuration comprising: a circular cylindrical welding portion at a center thereof, and a circular tubular welding portion disposed at a position in an outer radial direction from the circular cylindrical welding portion, wherein a raised and recessed configuration is formed by the first positioning rib and the second positioning rib in such a manner as to be associated with the welding portion, and wherein the welding portion is inserted into the first positioning rib to thereby be brought into press contact with the second positioning rib so as to be positioned in place within the first position rib.