Adjustable spacer

An adjustable spacer for maintaining a minimum normal displacement between a first member and a relatively flat surface disposed in a second member, comprising:

• a cylindrical barrel having a threaded axial passage disposed therein, further having an external flange disposed about one end thereof, the barrel received within a close fitting hole disposed through the first member with the flanged end of the barrel engaging an annular shoulder within said hole,
• an adjustable nut, disposed within the threaded passage and including an externally threaded surface engaged therewith, further including the first end projecting past the flanged end of the barrel and a second end projecting past the other end of the barrel opposite the flanged end thereof, a pad bolt, including a flattened pad end, for contacting the relatively flat surface, and a rod portion extending perpendicular to the flat surface and through the central passage in the adjusting nut, said bolt portion including an externally threaded portion at the end thereof opposite the pad end, and
• a lock nut, having internal threads engaging the threaded portion of the pad bolt, said pad bolt contacting the first end of the adjusting nut when the lock nut is engaged securely against the second end of the adjusting nut.