Patent ID: 7812328
Filing Date: 2010-10-12
Classification: B01J,B29C,F16L

Abstract:
1. A radiation source apparatus for irradiating an inner wall of an elongated cavity, comprising: a base body having at least one light source; a plurality of wheels for guiding said base body in the elongated cavity; a plurality of arms each carrying a respective one of said wheels for guiding said base body within the cavity movably in a radial direction relative to said base body between a radially proximal first position and radially distal second positions; each said arm having a respective first arm section rigidly mounted to said base body and extending outwardly from said base body, and a respective second arm section articulated to said first arm section; at least one gas pressure spring assigned to each said arm for pushing the respective said arm from the radially proximal first position to a radially distal second position, said at least one gas pressure spring having a first end connected to said first arm section and a second end connected to said second arm section of the respectively associated said arm.