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Class 144/248.5 - Work centering and feeding


Subclass of Class 144 - Woodworking
Definition: Feed roll intended, in addition to advance the work, to
No. of patents: 73
Last issue date: 03/25/2008


1    
NumberTitleIssue Date
7347319Tilting roller
The subject of the invention is a retention device for a conveyor roller, characterised in that the roller (7) is mounted on a tilting support (13). ...
03/25/2008
7299912Conveyor for bar or pipe
A conveyor system for transporting a work piece from a beginning point to an end point in a longitudinal direction with at least one process step applied in between to such work piece is provided according to the invention. The work piece is propelled in the longitu...
11/27/2007
7237421High-speed sheet feeding without grip pliers
The invention concerns a conveying device for sheet steel plates and for moving several sheets (1, 1′) inside or through a working zone (W; 50) wherein the sheets are machined. The inventive feeding device comprises first and second sheet feeders (
07/03/2007
7178566Process and apparatus for producing veneer strips, chipped wood or the like
The invention relates to a process and an apparatus for producing veneer strips, chipped wood or the like, individual pieces of wood being joined together, with grains parallel, to form a group and then a multiplicity of such groups being arranged one behind the oth...
02/20/2007
7175017In-line flipper mechanism and conveyor system for achieving the proper orientation of mail tray and mail tub receptacles
An article or postal mail conveyor or transportation system which has an in-line mechanism integrally incorporated therein that has been specifically constructed and assembled so as to enable mail tray and mail tub receptacles, which may initially be disposed upon t...
02/13/2007
6481471Spike roller for axial feeding or rotation of a log
A roller for grasping a log for axial movement or rotation of a log, the roller including spike bar retainers fastened on the cylindrical surface of the roller. The spike bar retainers accept and retain replaceable spike bars, thus facilitating replacemen...
11/19/2002
6453959Spike roller for axial feeding or rotation of a log
A roller for grasping a log for axial movement or rotation of a log, the roller including spike bars fastened on the cylindrical surface of the roller. The spike bars are formed of alloy steel feature an improved type of spike having planar side surfaces ...
09/24/2002
6422277Feed rolls with replaceable flute elements
A fluted feed roll has inner replaceable flute inserts which abut and are bolted to anchor pieces welded in place on a cylindrical roll body. Part of the inner longitudinal edge of the flute inserts bears directly against the surface of the roll body. Tra...
07/23/2002
6253813Feed rolls with replaceable flute elements
A fluted feed roll has inner replaceable flute inserts which abut and are bolted to anchor pieces welded in place on a cylindrical roll body. Part of the inner longitudinal edge of the flute inserts bears directly against the surface of the roll body. Tra...
07/03/2001
6216756Log processing apparatus
A log processing apparatus is disclosed for processing a log with tapered sides, the log processing apparatus including a frame assembly, and infeed guide assembly including upstream and downstream pairs of guides configured to grip and center the tapered...
04/17/2001
6213176Device for working of tree trunks
A device for producing squared timber from tree trunks includes a feed section, a machining center, and a delivery section; the feed section has at least two grippers which can be placed against the tree trunk to be machined and using which the tree trunk...
04/10/2001
6176283Adjustable support for conveyor
An adjustable support for a conveyor for controlling the position of a product such as a log. Support structure is provided near each end of the conveyor. The structure includes mechanism to shift the conveyor side ways and also has mechanism to elevate a...
01/23/2001
5996658Feed roller
The present invention relates to a feed roller (1) by means of which a felled tree (2) trunk is fed into a timber harvester for delimbing. The apparatus comprises a drive wheel (4) and at least one transmission means (5) arranged at the outer circumferenc...
12/07/1999
5975168Device and method for trimming a tree
A trimming device and method maintains a first trimming member of a tree harvester head at a preselected transverse position relative to a tree trunk during relative longitudinal movement of the tree trunk. A first control device having a tree trunk engag...
11/02/1999
5954105Workhead for timber processing
There is disclosed a workhead for timber processing, the workhead having a main body and a jaw assembly for grappling timber. The jaw assembly includes first and second cooperating pairs of jaw arms that are pivotally mounted to the main body. The first o...
09/21/1999
5944078Feeding roller for a log feeding device of a debarking machine
A feeding roller for a log feeding device of a debarking machine, said feeding roller (1) comprising a substantially drum-like body (3) and a rib formation (5) consisting of ribs (9) provided in separate rib elements (6) to be fastened to the circumferenc...
08/31/1999
5797438Toothed roller
A toothed roller having a cylindrical body with circumferential rows of teeth fixed on the outer surface of the body. The rows of teeth are longitudinally spaced apart on the body. A cleaning ring is loosely mounted on the body between each adjacent pair ...
08/25/1998
5692549Feed rollers for chipper
A chipper for chipping wood material has first and second feed rollers at an inlet. The first and second feed rollers are secured to a frame of the chipper with the axes of the feed rollers being parallel and spaced apart. The first and second feed roller...
12/02/1997
5622213Flying log turner
Apparatus for rotating a log delivered by an infeed conveyor about its longitudinal axis for delivery to an outfeed conveyor comprising a main frame and a rotatable housing mounted in the main frame having a passage therethrough to receive a log from the ...
04/22/1997
5482098Feeding device for curved workpieces
A device for feeding a curved workpiece is presented. A shaping device incorporating a feeding device of the present invention comprises a base; a cutting head projecting vertically above the base for shaping the workpiece; and a jig mounted to the base f...
01/09/1996
5447186Chipping canter
A chipping canter is provided for producing four-sided cants from curved logs. It allows the slabbing heads thereof to follow the natural curvature of the logs for obtaining cants having a maximum cross-sectional area and length. Each log is flatly dispos...
09/05/1995
5435361Method and apparatus for around the curve sawing
A method and apparatus for around the curve sawing is shown and described wherein a group of roller assemblies are positionable along a selected semicircular path having a point of tangency relative to lines of cut provided by an assembly of cutting blade...
07/25/1995
5429161Apparatus for optimum positioning of cants for resawing
The disclosure herein describes an apparatus for the measuring and positioning of cants and their subsequent feeding to a sawing station. A feed table is used for conveying the cants towards the station and includes a lateral guide against which each cant...
07/04/1995
5355920Felling and delimbing apparatus allowing to delimb trees in length and its method of use
The invention relates to an improvement in a felling and delimbing apparatus having a head for felling and delimbing trees; a frame, at least two grasping jaws and, delimbing knives mounted on said frame and/or on said grasping jaws, and first/and second ...
10/18/1994
5320153Method and apparatus for around the curve sawing
A method and apparatus for around the curve sawing is shown and described wherein a group of roller assemblies are positionable along a selected semicircular path having a point of tangency relative to lines of cut provided by an assembly of cutting blade...
06/14/1994
5297601Triple head high speed log debarker
A log debarker for debarking a lengthwise-moving log includes a pair of debarking subassemblies each including a pair of cylindrically concave, rotating cutter elements positioned angularly asymmetrically toward one side of the log and away from an opposi...
03/29/1994
5163489Timber harvester
A timber harvester disclosed includes a frame (1), two feed tracks (5) jointed opposite one another, a front stripping blade (20), and a rear stripping blade (16). A frame (4) of the feed track (5) is carried on jointed trapezoid arms (2,3). A rear stripp...
11/17/1992
5148847Method and apparatus for around the curve sawing
A method and apparatus for around the curve sawing is shown and described wherein a group of roller assemblies are positionable along a selected semicircular path having a point of tangency relative to lines of cut provided by an assembly of cutting blade...
09/22/1992
5082036Forest harvester
The invention concerns a forest harvester suspended pivotally at the end of a crane jib (1) and rotatable around its shaft of suspension for felling of a tree trunk and for trimming and possible cutting-off of the tree trunk in the horizontal position. Th...
01/21/1992
5070989Log sweep positioner
A curved log to be sawn lengthwise by a vertical saw blade is supported for a time, near its center of gravity, by a device which permits the log to rotate about its axis, and thus find an orientation at which the plane of the curve of the log axis is ver...
12/10/1991
5058638Apparatus for cross-cutting treetrunks, comprising a device for measuring lengths
An apparatus for cross-cutting a treetrunk comprises gripping members which embrace the treetrunk, a feeding mechanism for moving the treetrunk in its longitudinal direction, and a saw which moves transversely to the longitudinal direction and cuts the tr...
10/22/1991
5020579Automatic infeed control
In a wood chipping machine, having a powered infeed material conveyor, an infeed control circuit for automatically adjusting infeed material capacity. The circuit has a monitor for monitoring infeed conveyor loading and a switch which is responsive to the...
06/04/1991
4974648Implement for lopping felled trees
An implement for lopping felled trees comprises a frame, which is adapted to be suspended from a lifting tackle and is provided with gripping members for engaging a treetrunk from below, with feeding means for imparting a longitudinal movement to the tree...
12/04/1990
4951725Method of continuously processing elongated articles such as coherent pairs of chopsticks and an apparatus for carrying out the method
A method and an apparatus for continuously processing and packing elongated articles (10) such as coherent pairs of chopsticks imply that the articles (10) are continuously advanced in the longitudinal direction in a track and are centrally aligned during...
08/28/1990
4907632Process and apparatus for the feeding of tree trunks to a processing machine
A tree trunk is fed to a cutting station along a centerline line by a pluity of groups of centering rolls spaced along the centering line. Some rolls are driven to advance the trunks. The groups of rolls are adjustable from a centering mode to a non-cent...
03/13/1990
4901778System for replacing feedroll inserts
A system is provided for installing, retaining and replacing the saw-teeth strip inserts of rotatable, cylindrical feedrolls, without concomitant damage thereto. More specifically, a plurality of circumferentially spaced, longitudinally extending grooves ...
02/20/1990
4851725Terminal block assembly for a leadless motor
A terminal block assembly for a leadless motor comprises a terminal block housing, an arrangement for securing the housing in an opening in a motor shell, plural spaced-apart motor leads and terminals molded into the housing, a latching mechanism for prov...
07/25/1989
4805676Automatic whole and multiple tree firewood/hog fuel processor
An adjustable infeed ramp supports the input end of a main frame at a height to tilt the main frame to correspond to the inclination of a log in process. Pulled into the machine by a winch line, the leading end of the log is gripped by vertical feed rolls...
02/21/1989
4682639Apparatus for cutting veneer pieces into equal sections
An apparatus for cutting a veneer piece into equal sections includes a main conveyer for feeding the veneer piece in a direction transverse to the wood fibers thereof and a cutter disposed in the main conveyer for cutting the veneer piece along the feedin...
07/28/1987
4637443Saw assembly
A saw assembly for reducing logs while passing the logs at least once through the assembly and resawing the resultant sawn blocks while re-passing the blocks at least once through the saw assembly. The assembly comprises a pair of chippers (1) and at leas...
01/20/1987
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