A protective device for a band saw machine is secured to the guards which are normally found on such machines. The device extends downwardly from the guards to the plane of the table, on which the blocks to be cut are placed. The device encloses the band saw and prevents inadvertent contact therewith....http://www.google.fr/patents/US4204444?utm_source=gb-gplus-shareBrevet US4204444 - Band saw guard device
