Patent ID: 8137039

Claim:
A connecting fitting, comprising: a body having a cam surface thereon; an inserting assembly comprising an inserting member, at least a pair of expandable members disposed in reverse relation one to another, and a plug insertable within an installation hole formed within an object; said inserting member comprising a head portion and a body portion extending from said head portion, said body portion being pivotally connected to said body; said pair of expandable members mounted between said body and said head portion of said inserting member, each of said expandable members comprising an expandable portion and a lip portion extending from said expandable portion, said expandable portions and said lip portions of each of said pair of expandable members cooperatively defining a compressible space therebetween, and each said expandable portion comprising a plurality of notches and snap portions; and said plug fitted on said body portion of said inserting member and located between said pair of expandable members and said body, wherein when said body is rotationally displaced, said expandable members are compressed between said plug and said head portion of said inserting member for radial displacement of said expandable members into engagement with an inner surface of said object formed by said hole.