Patent ID: 7410206

Claim:
A joining structure of component parts comprising: a first component part having a hollow protruding portion projecting from a side surface of said first component part, a flange portion projecting from an outer periphery of said hollow protruding portion and leaving a space from a side of said first component part, and an abutting surface on said flange portion opposed to the side surface of said first component part; a second component part having a connecting groove for receiving said flange portion, said connecting groove extending along a side surface of said second component part and comprising a side slot for inserting said flange portion into said connecting groove, an upper slot for receiving said hollow protruding portion, and a bearing surface for engaging said abutting surface; and at least one strut portion on at least one of said first and second component parts, wherein said at least one strut portion is compressed between said first and second component parts when said flange portion is inserted into said connecting groove so that said abutting surface and said bearing surface are clamped together by a force exerted by said at least one strut portion.