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Undercut saw

  • US 3,946,631 A
  • Filed: 03/04/1974
  • Issued: 03/30/1976
  • Est. Priority Date: 03/04/1974
  • Status: Expired due to Term
First Claim
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1. An undercut saw including a rotatable work support table having an elongated slot therein, a rotatable saw blade operatively mounted beneath said table selectively to be raised and lowered through said slot, a saw blade guard and workpiece clamp spanning said slot above said table, said guard and clamp being movable toward and away from said table, respective fluid power means for said guard and clamp and said saw blade sequentially operative to move said guard and clamp downwardly into engagement with a workpiece on said table and then to move said saw upwardly through said slot, two laterally spaced control devices, one at each side of said table, adapted when simultaneously manually actuated to operate said respective fluid power means, means sequentially operative to lower said saw and then to raise said clamp when the workpiece is cut or when the control devices are prematurely deactuated prior to finishing the cut, a pivotal stop plate carried by said rotatable table, said stop plate nomally being positioned to engage selectively circumferentially spaced fixed abutment blocks to provide index stops for said rotatable table, and an actuator carried by said table operative when depressed to pivot the stop plate to a position permitting the table to be rotated past an abutment block without engagement.

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