Anchor bolt sleeve

An adapter assembly for adjustably supporting a pipe sleeve on an anchor bolt and comprising an outer part having a central bore for receiving an associated portion of the bolt therethrough, said bore having a cross sectional area substantially greater than the cross sectional area of the associated portion of the bolt, an external thread on said outer part for connecting the outer part to one end of the pipe with said bore in general coaxial alignment with the pipe, and an inner part having an internal thread for threadably engaging the bolt and engageable with said outer part within said bore, the annular peripheral surface of said inner part and said bore defining coengageable coaxially symmetrical annular bearing surfaces for cooperating in complementary coengagement with each other in all angular positions relative to each other to maintain the one end of the pipe in coaxially alignment with an associated end of the bolt, said inner part in engagement with said outer part having a portion thereof exposed externally of the pipe at its one end.

An adjustable sleeve for an anchor bolt having an axially elongated shank threaded at its upper end, said sleeve comprising a cylindrical pipe for receiving the anchor bolt therethrough, said pipe being threaded at its upper end and having an inside diameter substantially larger than the diameter of the anchor bolt shank, and an adapter assembly including an outer part having a central bore for receiving the bolt therethrough, said central bore having a cross sectional area substantially greater than the cross sectional area of an associated portion of the anchor bolt, a thread on said outer part threadably connecting the outer part to the upper end of said pipe with said bore in general coaxial alignment with said pipe, said adapter assembly including an inner part engageable with said outer part within said bore and having an internal thread for engaging the threaded upper end of the anchor bolt, said inner and outer parts having co-engaging bearing surfaces for cooperating to maintain the upper end portion of said pipe in coaxial alignment with the upper end portion of the anchor bolt, said inner and outer parts cooperating in assembly with said bolt and the pipe to define a closure for the upper end of said pipe, said inner part in engagement with said outer part having a portion thereof exposed at the upper end of said bore and externally accessible at said upper end.