Patent Number: 051788209
Section: claims

1. A tool positioning assembly for use inside a steam generator having a manway opening in the wall of the steam generator, said tool positioning assembly comprising: a. a support base that is attachable to a steam generator at the manway opening, said support base comprising:  b. a retractable foot assembly pivotally attached to said beam;  c. a loading tool assembly removably attachable to said support base for inserting said support base into a steam generator;  d. a four degree-of-freedom are removably received on said support base;  e. a track assembly removably attachable to said support base and adapted to receive said arm for removably attaching said arm to said support base;  f. a tool coupling mounted on said arm and adapted to receive remotely controlled tools. 2. The tool positioning assembly of claim 1, wherein said arm is provided with a driven cogwheel that engages said track assembly and said support base whereby said arm may be selectively driven and positioned along said track assembly and said support base.