US Patent 10243252 Antenna mounting component and antenna device

An antenna mounting component to be mounted to a fixing aperture on a mounting face of a car body, includes: a male screw for fixing an antenna; a protrusion provided on an antenna base, the protrusion having a female screw corresponding to the male screw; and a legged washer having multiple legs, the male screw being inserted into the legged washer, the legs being to be fixed onto the mounting face. The multiple legs are disposed at an equal interval in a circumferential direction around the inserted male screw through the legged washer; and distances in a radial direction from the inserted male screw to the respective contact points of the multiple legs with the mounting face are equal.