Patent ID: 7559268

Claim:
A table saw comprising: a table defining a surface for placing thereon a workpiece; a saw unit vertically pivotally and laterally pivotally mounted to the table and comprising a rotary circular saw blade and a cover for covering the saw blade; and a dust-collecting device mounted to the saw unit and comprising a first dust-collector, a cyclone unit, and a second dust-collector assembled to each other; wherein the first dust-collector defining a first dust-collecting chamber and connected to the cover, so that cutting chips produced by the saw blade during a cutting operation are fed into the first dust-collecting chamber together with a flow of a carrier air and at least a portion of the cutting chips are collected within the first dust-collecting chamber by at least a force of gravity; wherein the cyclone unit is arranged and constructed to receive remaining cutting chips carried by the carrier air, which were not collected within the first dust-collecting chamber; wherein the cyclone unit comprises a cyclone body, a cutting chip discharge pipe, and an air discharge pipe; wherein the cyclone body has an inner wall and is arranged and constructed to cause a circulation of the remaining cutting chips together with the carrier air along a circumference of the inner wall, while the cutting chips drop downward by at least the force of gravity; wherein after separation the carrier air is discharged from the cyclone body via the air discharge pipe; wherein separated remaining cutting chips are discharge from the cyclone body via the cutting chip discharge pipe; and wherein the position of the cyclone unit is determined such that the cyclone unit moves to an upper side of the first dust-collecting chamber as the saw unit pivots laterally in one direction together with the dust-collecting device.