A table saw includes a work support table that defines a blade slot therethrough and at least one guide groove oriented generally parallel to the slot. A pair of trunnions are attached to the lower surface of the work support table, with at least one of the trunnions defining an adjustment opening having...http://www.google.es/patents/US6502493?utm_source=gb-gplus-sharePatente US6502493 - Table saw blade heel adjuster
