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| Number | Title | Issue Date |
| 7275571 | Method and apparatus of locating the optimum peeling axis of a log and the maximum radius portion thereof with respect to the optimum peeling axis A method for locating an optimum peeling axis of a log and a maximum radius point on peripheral surface of the log with respect to the located optimum peeling axis and an apparatus for practicing the method are disclosed. A plurality of swingable members are provide... | 10/02/2007 |
| 7147023 | Method for peeling veneer from logs The invention concerns a method for peeling veneer from a log, wherein the centering device is calibrated during the peeling process without interrupting the production. In the method in accordance with the invention, the around-contour of the log is defined by mean... | 12/12/2006 |
| 7100650 | Veneer slicer The problem in previously known stay log-type veneer slicers in which a large block of wood is directed in an eccentrically rotating manner past a knife consists of the fact that a remaining block that cannot be sliced has to be removed by hand from a girder structu... | 09/05/2006 |
| 7007729 | Log charging apparatus for sawmills An improved log charging system for a sawmill having a sharp chain infeed conveyor includes a log turning station for scanning and rotating a horizontally supported log about its longitudinal axis to a desired orientation that will produce maximum lumber yield, and ... | 03/07/2006 |
| 6305448 | Lathe charger To make coincide cutting centers of two end surfaces of raw wood with the axis of spindles of a veneer lathe, at least two axial corrections which are performed in a state in which the raw wood is held by centering spindles are required. Conventional appa... | 10/23/2001 |
| 6176282 | Apparatus and method for centering and feeding log A pair of centering spindles are disposed away from cutting spindles and movably in the direction of Z or parallel with the axial center line of cutting spindles. A plurality of log center detecting means are disposed along the Z direction in relative to ... | 01/23/2001 |
| 6116306 | Method and apparatus for positioning log blocks on optimum center in lathe charger for transfer to veneer lathe A method and apparatus for positioning a log in a lathe charger for transfer to a veneer lathe for peeling in which the geometrical centerline of the log is first determined by sensing the log in an at-rest position with light sensors or mechanical sensor... | 09/12/2000 |
| 5680802 | Method and apparatus for bucksawing logs Previous methods of bucksawing logs slow the throughput of a sawmill in that the conveyor line is stopped while a given log is bucksawed to length. The present invention provides a method for bucksawing a log which improves the throughput speed, comprisin... | 10/28/1997 |
| 5582224 | Methods and apparatus for centering a log and for supplying a log to be centered Periphery detectors are arranged along the longitudinal direction of the log which is to be rotated one revolution around a temporary center, thereby a plurality of peripheries of cross sections along the longitudinal direction are detected for the log. T... | 12/10/1996 |
| 5518052 | XY log charger A log charging apparatus for a veneer production line. A log to be peeled is supported in a non rotative manner at a scanning station. The log is scanned and the scan data is input to a computing device to determine an optimum cylinder of the log and to d... | 05/21/1996 |
| 5449030 | Methods and apparatus for centering a log and for supplying a log to be centered Periphery detectors are arranged being juxtaposed closely, along the longitudinal direction of the log which is to be rotated one revolution around a virtual center, thereby a plurality of peripheries of cross sections along the longitudinal direction are... | 09/12/1995 |
| 5135037 | End-dogging log carriage An end-dogging log carriage including a first dog assembly with a first dog member rotatably mounted thereon and a second dog assembly with a second dog member rotatably mounted thereon. A log is supported solely by the first and second dog members engagi... | 08/04/1992 |
| 5067534 | Spindle drive for a veneer lathe The invention concerns a spindle drive for a veneer lathe. In view of reducing the mobile masses of the drive gear equipment making the lathe better adaptable to different log lengths, the opposite spindles in the lathe are provided with drive motors of t... | 11/26/1991 |
| 5052455 | Block positioner Apparatus for positioning a block which may be used as a charger for a lathe. The apparatus includes opposed primary chucks, each taking the form of a tapered receptacle for receiving the end of a block. The primary chucks are each displaceable in x and y... | 10/01/1991 |
| 4965734 | Veneer lathe charging method for determining log spin axis A veneer lathe charging apparatus includes a break-beam scanning system and a computer for determining an optimal log spin axis. The charging apparatus further includes charger arms independently operable and adjustable to transfer a log from a scanning s... | 10/23/1990 |
| 4884605 | Lathe charger centering with log scanning during rotation and lateral movement of spindles Aa veneer lathe charger and method of operation to center logs for transfer to a veneer lathe to obtain optimum yield of wood veneer at a higher production rate up to 15 logs per minute is described. The method includes scanning the log to determine its o... | 12/05/1989 |
| 4867213 | System for orienting logs for lumber processing A system that rotatively orients and skew positions a log for lumber processing. A log is placed in centering V's and rough centered. Rotatable scan spindles rotate the log while scanners obtain measurements at spaced locations along the log length and at... | 09/19/1989 |
| 4811776 | Apparatus and method for centering logs Centering a log by determining the location of a selected axis through the log relative to a fixed replicate axis. The log is pinned and each end is provided with double pivots. Pivoting the log about one pivotal axis spaced from the replicate axis determ... | 03/14/1989 |
| 4737031 | Method and device for determination of desired middle line of a cylindrical object such as a log A method and a device for determining the desired middle line of a cylindrical object, such as a log. For example, to determine the rotating middle line of an object to be rotary-cut, the invention provides a method in which the diameter of the object and... | 04/12/1988 |
| 4499935 | Veneer lathe A veneer lathe for turning a log thereon to cut off veneer sheets therefrom. The log is principally driven by a rotary roller having a plurality of projections therearound, which roller is pressed against the log to ensure positive engagement with the per... | 02/19/1985 |
| 4489635 | Saw mill improvements A saw mill for producing square cross section timber pieces is disclosed. The mill includes a log orientation mechanism having three, spaced independently operable log elevating units. The units include pairs of log supporting discs. The discs of one unit... | 12/25/1984 |
| 4469155 | Apparatus for peeling small logs An apparatus is disclosed for peeling logs to produce veneer sheet. The apparatus utilizes concentric spindles and dogs to grip the ends of the logs being peeled with the outer spindle and dog being retractable away from the ends of the logs after the out... | 09/04/1984 |
| 4427044 | Log centering device The present invention is directed to an apparatus and method for determining the center axis of the largest solid of rotation obtainable from an irregular, elongated object such as a log or veneer block. The object is rotatably supported by two pairs of o... | 01/24/1984 |
| 4412297 | Ultrasonic log scanning and orientation system A device and method of orienting a log in a veneer lathe charger to produce optimum positioning of the log in a veneer lathe when the log is loaded into the lathe by the charger includes a plurality of ultrasonic transducers which are positioned circumfer... | 10/25/1983 |
| 4398580 | Veneer lathe log charger system having enhanced accuracy and rate of production A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially designed to provide a degree of accuracy in the physical manipul... | 08/16/1983 |
| 4398579 | Lathe work centers A lathe work center device centers a workpiece about an axis of rotation on a lathe. The lathe has two tool centers with at least one tool center being driven and both tool centers coaxially positioned about the axis of rotation. The work center device in... | 08/16/1983 |
| 4397343 | Log scanning in veneer lathe to determine optimum yield axis Apparatus is disclosed for scanning a log with light or other electromagnetic radiation while such log is rotated by the spindles of a veneer lathe to determine its optimum yield axis and for positioning the log with positioning arms to align such optimum... | 08/09/1983 |
| 4384601 | Veneer lathe log charger system having enhanced accuracy and rate of production A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially designed to provide a degree of accuracy in the physical manipul... | 05/24/1983 |
| 4383560 | Lathe charger having directionally limited adjustment of scanning spindles A veneer lathe charger apparatus is disclosed for scanning a rotating log with light to determine its optimum yield axis and adjusting the charger spindles through a greater range necessary for large diameter logs to position such axis at a predetermined ... | 05/17/1983 |
| 4379476 | Veneer lathe log charger system having enhanced accuracy and rate of production A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially designed to provide a degree of accuracy in the physical manipul... | 04/12/1983 |
| 4379477 | Veneer lathe log charger system having enhanced accuracy and rate of production A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially designed to provide a degree of accuracy in the physical manipul... | 04/12/1983 |
| 4378827 | Veneer lathe lug charger system having enhanced accuracy and rate of production A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially designed to provide a degree of accuracy in the physical manipul... | 04/05/1983 |
| 4378829 | Veneer lathe log charger system having enhanced accuracy and rate of production A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially designed to provide a degree of accuracy in the physical manipul... | 04/05/1983 |
| 4378830 | Veneer lathe log charger system having enhanced accuracy and rate of production A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially designed to provide a degree of accuracy in the physical manipul... | 04/05/1983 |
| 4378035 | Machine to prepare logs for log houses A machine for processing wood logs for construction of log houses. The machine includes means to load raw logs into a self-centering means, whereby a carriage assembly can be centered over the logs and the log is mounted in the carriage on powered centers... | 03/29/1983 |
| 4365704 | Log alignment apparatus An apparatus for automatically aligning logs to be sawn in a sawing machine in a position for yielding an optimum sawing result, comprising an arrangement for carrying the log to be aligned in a predetermined vertical longitudinal plane through the sawing... | 12/28/1982 |
| 4356850 | Veneer lathe scanning system A pair of sonic transducers are mounted above a peeler block on a veneer lathe, adjacent opposite ends of the block. Bursts of sonic energy are directed downward to strike the surface of the block such that sonic energy is reflected from the block surface... | 11/02/1982 |
| 4335764 | Veneer peeling apparatus A veneer peeling apparatus having a fixed rotatable roller and a cutting knife. First and second movable rollers are positioned below the first roller. The first and second rollers are movable toward and away from the fixed roller and each other. Rotating... | 06/22/1982 |
| 4335763 | Veneer lathe charger having improved positioning for charger spindles A veneer lathe charger apparatus is described having an improved charger spindle positioning system which is less vulnerable to damage, is of simpler construction and is of faster operation. The charger spindle positioning system includes spindle support ... | 06/22/1982 |
| 4289051 | Object centering and moving mechanism A mechanism is disclosed to raise a round or hexagonal object having a center and to establish the center on a fixed reference line regardless of the diameter of such object within a finite range of diameters. First and second caliper means engage opposit... | 09/15/1981 |
