To overcome a problem such that conventional pet robot apparatuses cannot adequately offer spiritual comfort to a person due to the absence of such a feeling that the pet robot apparatus leans on him/her when he/she hugs it, not only because the outside of the conventional pet robot apparatus is covered with a hard material such as plastic in addition to the absence of its backbone but also because the outside of another conventional pet robot apparatus, which has an appearance of a stuffed toy and similarly has no backbone, is covered with a soft material, though it is said that the pet robot apparatus can offer the spiritual comfort to a person who cannot keep a living animal due to circumstances.
This pet robot apparatus, which has a backbone part for connecting a head part and other parts together, can adequately offer the spiritual comfort to the person because it provides him/her with the feeling that it leans on him/her when he/she hugs it.
YOSHIDA KAZUMI
AKAHORI HIROSHI
