Patent attributes
A waterproof connector sealing member has a plurality of electrical wire insertion holes that extend between the two main surfaces of a flat plate-shaped sealing main body. A plurality of projecting ribs are provided on the inner wall surface of each of the electrical wire insertion holes, and the projecting ribs of respectively adjacent electrical wire insertion holes are provided in different positions with respect to each other along the axial direction of the electrical wire insertion holes. Relief grooves are formed in the sealing main body in positions adjacent to the electrical wire insertion holes in the vicinity of the outer edges of this sealing main body, with each of these relief grooves extending from one of the main surfaces that is closer to the projecting rib of the adjacent electrical wire insertion hole provided toward the outside in the axial direction.