Patent ID: 8243456

Claim:
A component joining structure comprising a body component formed of a resin material, and a cover component that is formed of a metal material and is provided in the shape of a cover covering at least part of the body component, the body component and the cover component being joined together, the structure further comprising: at least one ultrasonic weld that is provided in the cover component, and is formed protruding from the cover component, and that can join the cover component and the body component together by being fixed to the body component with ultrasonic welding; and at least one locking mechanism that can join the cover component and the body component together via engaging portions that engage with each other, the ultrasonic weld is formed of a metal material and is formed integrally with the cover component which is formed of a metal material, the locking mechanism comprising: at least one first engaging portion provided in the cover component; and at least one second engaging portion that is provided in the body component, or in another component fixed to the body component, and that can engage with the first engaging portion.