Patent ID: 6357496
Filing Date: 2002-03-19
Classification: B27D,B27L

Abstract:
A veneer lathe which comprises;a knife for cutting a log; a roller disposed substantially parallel with the linear cutting edge of the knife and provided with a large number of driving members which are arranged at intervals along the axial direction of the roller, each driving member being provided along the circumference thereof with a large number of piercing projections; a driving mechanism attached to the roller; a pressure member disposed at a location which enables the pressure member to press-contact with the outer peripheral wall of the log through a plurality of spaces formed between said driving members neighboring to each other of the roller; a guiding member for guiding a veneer which is cut by means of said knife to move along said driving members; a knife carriage for mounting thereon said knife, said roller, said driving mechanism, said pressure member and said guiding member; a spindle rotatably supporting a log; and a driving for rotating said spindle; wherein said roller is enabled to take a first position wherein said piercing projections of the driving member is enabled to pierce not only the outer peripheral wall portion of a log in the vicinity of said cutting edge of said knife but also a portion of the veneer which is cut by said cutting knife and is not yet passed through said guiding member, as well as to take a second position wherein said piercing projections of the driving member is not allowed to contact with not only the outer peripheral wall portion of the log but also said portion of the veneer or wherein the tip ends of said piercing projections are contacted only with the outer peripheral wall portion of the log in the vicinity of said cutting edge, said rollers being designed to be fixed at said first position or at said second position.