Abstract: A hood-like saw blade guard for a radial arm saw is mounted for free vertical movement on a support frame detachably connected to the suspended saw blade driving motor housing. The guard extends over the entire saw blade when in its downward position and is contoured on both sides so as to be easily elevated upon contact with a workpiece, one contoured side is closed and offset radially from the saw blade to provide a sawdust chute and permit vertical removal of the guard from the frame. A spreader with an anti-kickback device thereon is mounted for vertical adjustment on the frame and guards the open contoured side, and vertically adjustable hold-down means on the frame variably limits vertical upward movement of the guard so as to hold down a workpiece when ripping.

Abstract: A flat support member mounted on and extending above a horizontal worktable has an elongated, inclined slot therein with a rack formed along its upper side, a wheel lying along one side of the member and rolling on a workpiece on the table has a coaxial pinion gear of smaller diameter than the slot width fixed to one face thereof and loosely retained in the slot, horizontal movement of the workpiece in one direction moves the pinion horizontally out of engagement with the rack and causes rotation of wheel and pinion in one direction and movement of the workpiece in a reverse direction moves the pinion horizontally into engagement with the rack and causes rotation of the wheel and pinion in an opposite direction to apply downward pressure of the wheel on the workpiece.