Patent ID: 7761972

Claim:
A method of installing an eccentric fastening device comprising: providing the eccentric fastening device in a non-fastened pre-assembled position, said eccentric fastening device comprising: a rotary lug with a head and a threaded cylindrical portion, said head having a lug seat, a base with a stem having a stem seat, the base and stem defining a cylindrical hole, a lug thread retention means for retaining said threaded cylindrical portion through said base, and a spring means, said stem having a first guide surface and a second guide surface for guiding said lug head during release of said rotary lug, said lug head having a first stop surface and a second stop surface for engaging said first guide surface and said second guide surface respectively, said threaded cylindrical portion of said lug being disposed through the hole of the base, said lug thread retention means being fastened to the threaded cylindrical portion of said lug, and said spring means being disposed around the threaded cylindrical portion of the lug and disposed between and against the base and the lug thread retention means such that the lug head is biased towards the base; sliding the rotary lug of said eccentric fastening device through a hole in a subject structure; eccentrically rotating said rotary lug with respect to said base until said lug seat is fully disengaged from said stem seat, and until the first and second stop surfaces on said lug begin to engage the first and second guide surfaces on said stem, respectively; and gripping a subject surface by releasing said rotary lug such that said bias provided by said spring means pushes said lug towards said base such that a subject surface is fastened between said lug and said base.