Patent ID: 7946318

Claim:
A portable router base assembly comprising: a housing having a foot, an upper portion, and an interior defined at least in part by an interior surface, said upper portion including an upper surface, said housing interior configured to receive a portion of a portable router, and said interior surface including a radially outwardly extending annular recess adjacent said upper surface; and a retaining ring including an interior, a generally cylindrical portion, and a top surface, said top surface at least partially defining an opening to said retaining ring interior, said cylindrical portion at least partially disposed in said annular recess of said housing and fixedly secured thereto so as to be non-removable therefrom, and said retaining ring interior configured to receive said portion of said portable router through said opening; wherein said retaining ring includes a lip portion adjacent said top surface, said lip portion having a radially outwardly extending surface that engages with a retaining lever on said portable router for releasably securing said portable router to said retaining ring.