Patent ID: 8752461

Claim:
A power saw comprising: a table configured to receive a workpiece; a saw blade and motor assembly operatively connected to said table, said saw blade and motor assembly being configured to rotate a saw blade; a linear guide mechanism attached to said table and being configured to support said saw blade and motor assembly and enable movement of said saw blade and motor assembly along a predetermined linear path in either a forward or a rearward direction; said linear guide mechanism comprising at least two links connected by a hinge connection, wherein said hinge connection comprises: a shaft that is fixed for rotation with respect to a first one of said links, but wherein said shaft is able to rotate with respect to a second one of said links; a threaded aperture formed within a first end portion of said shaft; a pair of bearings associated with said second link, wherein said shaft is seated within said bearings; a spacer surrounding said shaft, wherein said spacer is positioned between said bearings; a bushing surrounding said first end portion of said shaft, wherein said bushing is positioned such that a first one of said bearings is located between said spacer and said bushing; a threaded fastening member configured and arranged to be inserted into said threaded aperture of said shaft; and a bushing flange extending radially outwardly from a first end portion of said bushing, wherein at least a portion of said bushing flange is configured and arranged to receive an axial force applied by said threaded fastening member as said threaded fastening member is tightened.