Patent ID: 7313960

Claim:
An ultrasonic sensor assembly that is installable to a through hole of an installation object, which extends from a first surface to a second surface of the installation object, the ultrasonic sensor assembly comprising: an ultrasonic sensor apparatus that includes a sensor arrangement and a housing, wherein the sensor arrangement is held by the housing and is received in the through hole of the installation object upon installation of the ultrasonic sensor assembly to the installation object; a holding member that holds the ultrasonic sensor apparatus relative to the installation object, wherein the holding member includes: a flange portion, which is secured to the first surface of the installation object around a peripheral edge of the through hole of the installation object upon the installation of the holding member to the installation object; a holding portion, which is connected to the flange portion and extends through the through hole of the installation object upon the installation of the holding member to the installation object, so that the holding portion projects from the second surface of the installation object; and a plurality of spring portions, which are partially secured to the housing of the ultrasonic sensor apparatus and are resiliently deformed between the housing and the second surface of the installation object, wherein the spring portions and the flange portion cooperate together to clamp the installation object therebetween.