Patent ID: 7640837

Claim:
A table saw comprising: a frame including a table defining a work surface; a support member supported by the frame to move relative to the work surface; an arbor block supported by the support member to move relative to the support member; a bearing supported by the arbor block; a rotatable arbor supported by the bearing; a blade mounted on the arbor and extendable up through the work surface; a tilt adjustment mechanism configured to move the support member to adjust the tilt of the blade relative to the work surface; an elevation adjustment mechanism configured to pivot the arbor block relative to the support member to adjust the elevation of the blade relative to the work surface; a detection system configured to detect a dangerous condition between a person and the blade; and a brake configured to engage and stop the blade upon detection of the dangerous condition between the person and the blade; where the brake is mounted to the arbor block to maintain an operative position relative to the blade as the tilt or elevation of the blade is adjusted.