Patent ID: 7562610
Filing Date: 2009-07-21
Classification: B23D,Y10T

Abstract:
1. A chop saw comprising: a base assembly having a slot for receiving the blade and capable of supporting a workpiece; an arm support disposed on the base assembly; a pivot rod having art axis and supported by the arm support; an arm disposed on the pivot rod and pivotable about the pivot rod axis; a blade assembly carried by the arm, the blade assembly comprising a blade having a plane extending parallel to a face of the blade, and a motor for driving the blade, and being movable about the pivot rod axis during a cutting operation between an upper position not engaging the workpiece disposed on the base assembly and a lower position for engaging and cutting the workpiece; and at least two bearings disposed on the pivot rod, each bearing having a central axis, two sidewalls substantially perpendicular to the central axis, an inner face disposed between the two sidewalls and contacting the pivot rod, and an outer face disposed between the two sidewalls, each outer face contacting the arm, no outer face contacting both the arm and the arm support; wherein the outer face is substantially parallel to the central axis; wherein the pivot rod axis is substantially perpendicular to the blade plane; and wherein the first sidewall of each bearing contacts either the arm support or the arm and the second sidewall of each bearing contacts the other of the arm support and the arm.