Patent ID: 6994006

Claim:
A machine tool comprising: a work table; a first stationary rail connected to said work table extending generally along a first direction, said first stationary rail having a first and a second end; a first movable rail in engagement with and extending generally parallel to said first stationary rail; a second stationary rail connected to said work table extending generally along said first direction; a second movable rail in engagement with and extending generally parallel to said second stationary rail; a fence extending generally perpendicular to said first and second stationary rails, said fence being connected to said first and second movable rails; a plurality of pulleys connected to said work table; a first cable attached to said first movable rail and said second movable rail, said first cable engaging a first portion of said plurality of pulleys; a second cable attached to said first movable rail and said second movable rail, said second cable engaging a second portion of said plurality of pulleys; wherein movement of said first movable rail with respect to said first stationary rail and movement of said second movable rail with respect to said second stationary rail between a first position where said fence is located between said first and second ends and a second position where said fence is located beyond one of said first and second ends are maintained in a synchronized manner due to said first and second cables.