Patents Assigned to Danzer North America, Inc.
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Publication number: 20090078338Abstract: A method and apparatus for converting a flitch into sheets of veneer. The method and apparatus include providing a drive mechanism which causes relative motion of a knife in contact with the flitch. The relative motion is relatively slower during one part of the cutting stroke and is relatively faster during another part of the cutting stroke.Type: ApplicationFiled: December 2, 2008Publication date: March 26, 2009Applicant: DANZER NORTH AMERICA, INC.Inventors: Jurgen F. Trost, Wolfgang Lacroix
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Patent number: 7458404Abstract: A method and apparatus for converting a flitch into sheets of veneer. The method and apparatus include providing a drive mechanism which causes relative motion of a knife in contact with the flitch. The relative motion is relatively slower during one part of the cutting stroke and is relatively faster during another part of the cutting stroke.Type: GrantFiled: January 31, 2003Date of Patent: December 2, 2008Assignee: Danzer North America, Inc.Inventors: Jürgen F. Trost, Wolfgang Lacroix
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Patent number: 7426947Abstract: A method and apparatus for converting a flitch into sheets of veneer. The method and apparatus include providing a drive mechanism which causes relative motion of a knife in contact with the flitch. The relative motion is relatively slower during one part of the cutting stroke and is relatively faster during another part of the cutting stroke.Type: GrantFiled: April 11, 2007Date of Patent: September 23, 2008Assignee: Danzer North America, Inc.Inventors: Jürgen F. Trost, Wolfgang Lacroix
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Publication number: 20070215244Abstract: A method and apparatus for converting a flitch into sheets of veneer. The method and apparatus include providing a drive mechanism which causes relative motion of a knife in contact with the flitch. The relative motion is relatively slower during one part of the cutting stroke and is relatively faster during another part of the cutting stroke.Type: ApplicationFiled: April 11, 2007Publication date: September 20, 2007Applicant: DANZER NORTH AMERICA, INC.Inventors: Jurgen Trost, Wolfgang Lacroix
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Patent number: 7025099Abstract: A drive mechanism for reciprocating a flitch table (114), the drive mechanism comprising a drive shaft (118) having an output end, a prime mover coupled to the drive shaft (118) for rotating the drive shaft (118), a coupler (120) on the output end of the drive shaft (118), and a connecting rod (122) coupled to the flitch table (114) and the coupler (120). The flitch table (114) is supported from the frame (130) by a guide member (128) secured to one of the flitch table (114) and the frame (130) and a bearing member (126) secured to the other of the flitch table (114) and the frame (130) for cooperation with the guide member (128). The guide member (128) and bearing member (126) form between them at least one channel (86) for a plurality of bearings (90). The bearings (90) are movable relative to the bearing member (126) and the guide member (128).Type: GrantFiled: August 19, 1999Date of Patent: April 11, 2006Assignee: Danzer North America, Inc.Inventors: Hartmut Gruender, Jürgen F. Trost, Daniel J. Rastatter
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Patent number: 6102090Abstract: A veneer slicer comprises a frame and a flitch table for supporting a flitch for the slicing of veneer therefrom. The flitch table is supported from the frame. The veneer slicer further comprises a knife. The flitch table and knife are relatively movable along a path toward and away from one another. The flitch table is mounted on the frame for movement of the flitch across the knife in cutting and return strokes. The flitch table is supported from the frame by a guide member secured to one of the flitch table and the frame and a bearing member secured to the other of the flitch table and the frame for cooperation with the guide member. The guide member and bearing member form between them at least one channel for a plurality of bearings.Type: GrantFiled: June 8, 1999Date of Patent: August 15, 2000Assignee: Danzer North America, Inc.Inventors: Hartmut Gruender, Juergen F. Trost, Daniel J. Rastatter
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Patent number: 5979524Abstract: A veneer slicer comprises apparatus for reciprocating a flitch from which veneer is to be sliced, apparatus for supporting a knife for slicing veneer from the flitch as the flitch is reciprocated, and apparatus for supporting a pressure bar for contacting the flitch and exerting pressure on the flitch. The knife supporting apparatus and veneer reciprocating apparatus are movable relatively toward each other prior to a stroke of the flitch reciprocating apparatus during which the knife is in contact with the flitch to thereby remove a slice of veneer from the flitch. The apparatus for supporting the pressure bar is separately controllable from the knife supporting apparatus.Type: GrantFiled: June 11, 1998Date of Patent: November 9, 1999Assignee: Danzer North America, Inc.Inventor: Juergen F. Trost