The saw includes a sectional table top made up of one or more sections that may be opened to receive insertable conversion assemblies adapted to provide additional woodworking functions. A rotary saw blade is moveable reciprocatively with respect to the table top at selected angles of tilt and at selected...http://www.google.fr/patents/US4516612?utm_source=gb-gplus-shareBrevet US4516612 - Multipurpose table saw
