Patent ID: 7462093

Claim:
A workpiece support device for use in machining a workpiece comprising: a securing support unit; a following support unit separate and spaced apart from said securing support unit; and an abutment unit; wherein said securing support unit has a securing abutment member releasably positioned and secured in a desired position, said securing abutment member operatively engaging said workpiece at a portion near a portion to be machined to prevent said portion to be machined from moving against said secured securing abutment member, said following support unit has a following abutment member separate and spaced apart from said securing abutment member which is adapted to operatively engage said workpiece at a portion near said portion to be machined on the same side as said securing abutment member, and be movable following a movement of said portion to be machined of said workpiece and wherein said following abutment member moves cooperatively, but independently of said securing abutment member, and wherein said abutment unit has a support pin that operatively engages said workpiece at the portion near said portion to be machined, said securing abutment member and said following abutment member operatively engaging said workpiece via said abutment unit, and wherein said abutment unit includes an oscillation lever oscillably supported at one end, said support pin is provided at the other end of said oscillation lever, and said securing abutment member and said following abutment member abut against said oscillation lever at separate points spaced from one another.