| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 144382000 | WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR | 22 |
| 20080230151 | Board Edger - A board edger is taught that includes an infeed conveyor, a scanner for scanning a board to be edged as it passes on the infeed conveyor to determine orientation and dimension and a saw. The saw includes a reference plane for supporting a board to be edged, a first saw box disposed adjacent the reference plane and having at least two blades controllable for width, longitudinal angle and depth, a second saw box disposed adjacent the reference plane and having at least two blades controllable for width, longitudinal angle and depth, and a saw controller coupled to the scanner for receiving signals from the scanner and coupled to the first and second saw boxes for setting the first saw box for cutting and controlling the cutting by the second saw box. Advantageously, while one saw box is cutting a board the other saw box is being set up by the saw controller to cut the next board thereby decreasing the spacing required between boards. This increases the throughout of the board edger. | 09-25-2008 |
| 20110061769 | Detection systems for power equipment - Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as power saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood. Woodworking machines and memory devices for use in woodworking machines having safety systems designed to detect a dangerous condition between a human and a dangerous portion of the woodworking machine and to trigger some action to mitigate the dangerous condition are also disclosed. | 03-17-2011 |
| 20120125485 | Motion detecting system for use in a safety system for power equipment - A method of controlling a woodworking machine having a movable cutting tool. The method monitors a signal for a change indicative of a dangerous condition between the cutting tool and a person, senses movement of the cutting tool, and performs an action to mitigate the dangerous condition when the signal change and movement of the cutting tool are both detected. A woodworking machine including a detection system adapted to detect a dangerous condition between a person and a working portion of the machine and then to perform some action to mitigate the dangerous condition is also disclosed. A motion detection system is adapted to detect motion of the working portion and to disable the reaction system when the working portion is not moving. | 05-24-2012 |
| 20120186699 | Detection systems for power equipment - Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as power saws to detect contact between a person and the blade of the saw. Woodworking machines and memory devices for use in woodworking machines having safety systems designed to detect a dangerous condition between a human and a dangerous portion of the woodworking machine and to trigger some action to mitigate the dangerous condition are also disclosed. | 07-26-2012 |
| 20140290799 | POWER EQUIPMENT WITH DETECTION AND REACTION SYSTEMS - Woodworking machines and safety methods for use with those machines are disclosed. The machines include a detection system adapted to detect one or more dangerous conditions and a reaction system associated with the detection system. The reaction system can include an explosive to trigger the system, and also can be configured to retract a cutting tool at least partially away from a cutting region upon detection of a dangerous condition by the detection system. | 10-02-2014 |
| 144383000 | Including use of sensor responsive to information carried by removable auxiliary record (e.g., recording disk, tape, or card) | 1 |
| 20120168032 | Detection systems for power equipment - Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as power saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood. Woodworking machines and memory devices for use in woodworking machines having safety systems designed to detect a dangerous condition between a human and a dangerous portion of the woodworking machine and to trigger some action to mitigate the dangerous condition are also disclosed. | 07-05-2012 |
| 144391000 | Including plural sensors or sensor responsive to comparison between plural conditions | 2 |
| 144392000 | Sensing work or product (e.g., by X-ray) | 2 |
| 20090173411 | FLITCH PLANER - Apparatus for shaping a flitch includes an upper shaping head assembly for shaping an upper surface of the flitch, a lower shaping head assembly for shaping a lower surface of the flitch, and a groover assembly for placing at least one groove in a surface of the flitch. The apparatus further includes at least one centering arm and chain runner assembly. The at least one centering arm and chain runner assembly includes a chain runner assembly for conveying the flitch toward a transverse center of the centering arm and chain runner assembly, and a centering arm assembly for positioning the flitch. A flitch transport conveyor includes a conveyor frame, a first dogger arm assembly for engaging a first end of the flitch, and a second dogger arm assembly for engaging a second end of the flitch. | 07-09-2009 |
| 20100012227 | Lumber processing system - A lumber processing system for cutting lumber into predetermined shapes broadly includes a scanning section, a computer section and a cutting section. Incoming lumber is scanned in the scanning section using two-color cameras capturing images first under normal lighting and second under ultraviolet (black) lighting for illumination of pre-marked defects. Images are processed in the computer section to produce a polygonal model of the lumber. A series of auxiliary packing computers review the model and determine separate solutions for cutting the lumber. Parts are then ‘punched’ from the lumber in the cutting section utilizing high power lasers cutting from both sides of the lumber simultaneously. | 01-21-2010 |
| 144402000 | Sensing work or product (e.g., by X-ray) | 9 |
| 20110030848 | METHOD FOR PROCESSING WORKPIECES - A method for machining workpieces in a machine tool, according to which the workpiece ( | 02-10-2011 |
| 20120186700 | APPARATUS FOR PATCHING PLYWOOD VENEER - A veneer patching apparatus includes a detection device for detecting and locating defect points in the veneer, a stationarily located patching unit ( | 07-26-2012 |
| 20130269836 | LUMBER EDGER AND METHOD OF EDGE CUTTING LUMBER - Provided is an improved lumber edger having a cross cut saw to cross cut lumber into two or more separate pieces to increase the available amount or value of boards, and a method of using the improved lumber edger. | 10-17-2013 |
| 20140283951 | HARVESTER HEAD ASSEMBLY - An improved harvester head assembly is provided. The harvester head includes a housing which is rotatable between a horizontal orientation and a vertical orientation. The harvester head further includes feeding system with a central feed roller and a pair of outer feed rollers that are moveable relative to the housing. The harvester head also includes top and bottom saws. A pair of delimbing knives are pivotable relative to the housing. A manifold and valve assembly is disposed in the housing and includes a plurality of solenoid valves which are configured to channel hydraulic fluid to motors and actuators to power and/or move a plurality of the components. The manifold and valve assembly includes a manifold with a rectangular shape and which is oriented with its long dimension extending in a longitudinal direction. The solenoid valves are spaced from one another in the longitudinal direction. | 09-25-2014 |
| 20150136277 | APPARATUS FOR DETECTING THE THREE-DIMENSIONAL STRUCTURE OF A LOG - An apparatus for detecting the three-dimensional structure of a log including supporting means ( | 05-21-2015 |
| 144403000 | Including plural sensors or sensor responsive to plural conditions | 2 |
| 144407000 | Sensing lead end or tail end | 1 |
| 20110011497 | CROSSCLIPPING AND BUNDLING SYSTEM AND METHOD FOR VENEER PACKETS - An apparatus for clipping ends of a book of sheets comprises a first detector for detecting a first end of the book of sheets, a clipper positioning system and a first clipper including a knife. The clipper positioning system is adapted to automatically position the first clipper to a proposed first clipping position based on the detected first end of the book of sheets. A method of processing a plurality of sheets comprises assembling the plurality of sheets into a book of sheets, detecting a first end of the book of sheets to propose a first position for clipping the book of sheets, positioning a first clipper based on the detected first end of the book of sheets, advancing the book of sheets to an infeed conveyor, detecting, the presence of the book of sheets in the infeed conveyor, advancing the book of sheets to the first clipper, clipping the first end of the book of sheets, and advancing the book of sheets from the first clipper. | 01-20-2011 |
| 144408000 | Sensing cross sectional dimension | 1 |
| 20110000582 | LOG DEBARKING ASSEMBLY - The log debarking assembly comprises an auto-aligning ring debarker that in turn comprises a base, a movable frame carried by the base and movable relative to the base, a log opening formed in the movable frame, a ring-type cutting tool mounted to the movable frame and protruding in the log opening, the cutting tool for debarking logs that are fed through the log opening, and a powered debarker actuator assembly capable of selectively moving the movable frame relative to the base. The log debarking assembly also comprises a log shape and position detector comprising a scanner located upstream of the debarker for detecting the shape and position of logs at the location of the scanner and for generating log data as a result of detected log shape and position at the location of the scanner; and a control device capable of receiving the log data and of controlling the powered debarker actuator assembly as a result of the log data. The position of the movable frame may consequently be adjusted for adjusting the position of the log opening and the cutting tool relative to the logs being fed through the log opening to be debarked. | 01-06-2011 |
| 144414000 | Sensing lead end or tail end | 1 |
| 20130263971 | Electric pencil sharpener with auto-stop feature - An electric pencil sharpener includes a cutter carrier, and first and second cutter members mounted on the cutter carrier and having long and short blade portions. The rear end of the short blade portion is disposed forwardly of the rear end of the long blade portion. A shaving space includes a rear region disposed between the rear ends of the long and short blade portions. The rear region allows extension of a tip portion of a pencil thereinto for pushing a switch actuation unit so as to deactivate a motor when the tip portion of the pencil has been sharpened to extend a predetermined length into the rear region. | 10-10-2013 |
| 144416000 | Sensing cross sectional dimension | 1 |
| 20140373977 | GUITAR NECK JOINT ROUTING SYSTEM - A guitar neck joint routing system. The system includes a probe and router assembly comprising a gantry, a probe, and a plurality of routers, and a guitar neck and body nest comprising clamps and vacuum grips for holding a guitar neck and guitar body in place for taking measurements and routing a dovetail joint. | 12-25-2014 |
| 144420000 | Sensing tool or tool-linked part | 5 |
| 20100051138 | Angle indicating device for table saw - A table saw includes a curved channel formed in a supporting base, a cradle attached to the supporting base, an arbor bracket attached to the cradle for supporting a saw blade and a motor, a height shaft attached to the cradle and extended through the curved channel of the base for engaging with the arbor bracket, a tilt shaft attached to the base and engaged with the cradle for adjusting the saw blade relative to the base to selected angular positions, a follower slidably engaged in the curved channel of the base, and a signal generating device attached to the follower for detecting a bevel angle of the arbor bracket and the cradle and the saw blade relative to the base and for precisely showing the angle with digits. | 03-04-2010 |
| 144421000 | To control predetermined sequence of operating movements (e.g., of one tool operating on work) | 1 |
| 144422000 | Of different operating assemblages | 1 |
| 144424000 | Including work handling or product handling | 1 |
| 20130025744 | WOOD CHIPPER, CONTROL SYSTEM THEREFOR, AND METHOD THEREOF - A wood chipper comprises a frame, an infeed system, a rotatable cutting system, and at least one feed wheel disposed between the infeed system and the cutting system to feed wood material to the cutting system. The wood chipper also includes a winch comprising a winch line having a first end, and a collar disposed adjacent the first end of the winch line. The wood chipper further includes a detector adapted to detect a first and a second position of the winch line, wherein the detector is adapted to allow operation of the at least one feed wheel and prohibit operation of the winch when the first position of the winch line is detected, and to allow operation of the winch and allow operation of the at least one feed wheel in a predefined manner when the second position is detected. | 01-31-2013 |
| 144427000 | To stop machine | 2 |
| 20090236012 | Detection systems for power equipment - Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as table saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood. The methods and woodworking equipment may include predictive blade stop algorithms that prevent unnecessary activations of a safety brake during coast down of a blade and continued protection in the event a main power switch is turned off. | 09-24-2009 |
| 20120024427 | Detection systems for power equipment - Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as table saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood. The methods and woodworking equipment may include predictive blade stop algorithms that prevent unnecessary activations of a safety brake during coast down of a blade and continued protection in the event a main power switch is turned off. | 02-02-2012 |
| 144428000 | Sensing force on tool | 1 |
| 144429000 | By sensing hydraulic pressure | 1 |
| 20150289456 | HYDRAULIC ARRANGEMENT FOR A DELIMBER - A knuckleboom loader for processing trees includes a delimber, an actuator, and a hydraulic arrangement. The delimber includes a knife. The actuator is coupled to the knife and is operable to move the knife. The hydraulic arrangement includes a fluid, a tank, a pump, and a valving arrangement. The tank is configured to store the fluid. The pump is in fluid communication with the tank and is configured to supply fluid from the tank to the actuator. The valving arrangement is located between the pump and the actuator. The valving arrangement is operable to regulate a flow of fluid from the pump to the actuator, and from the actuator to the tank for opening and closing the knife relative to a trunk of a tree. | 10-15-2015 |
