Class / Patent application number | Description | Number of patent applications / Date published |
144335000 | Timber harvesting or processing | 47 |
20080202636 | Log Deflector With Removable Accessory Portion and Associated Method - A forestry work machine comprises a carrier and a log deflector for deflecting away from the carrier a log held by the forestry work machine. The log deflector comprises a base portion attached to a side of the carrier and an accessory portion projecting laterally outwardly from and removably attached to the base portion. An associated method is disclosed. | 08-28-2008 |
20080251156 | METHOD AND DEVICE OF IRRADIATION OF LOGS WITH ELECTRON BEAMS AS A PHYTOSANITARY TREATMENT - For quarantine treatment of a farming and forestry product for pest control, a method and a device may irradiate logs as a phytosanitary treatment with electron beams. The method may include: spreading the logs; aligning the spread logs to be flush at one end; conveying the spread and flush logs laterally; conveying the logs longitudinally through an irradiation field formed by accelerators to provide treatment of irradiation with the electron beams; throwing the irradiated logs out; and laterally conveying the logs away. The device may include a conveying device for conveying the logs, a shielding structure surrounding the conveying device, and accelerators provided in the conveying path of the conveying device. Two or more accelerators may be provided in centrosymmetry about the conveying path. | 10-16-2008 |
20100071809 | TREE PROCESSING VEHICLE - A tree processing vehicle comprising a prime mover and a pair of tracks for propelling the tree processing vehicle, the prime mover being in a driving relationship with the tracks. The tree processing vehicle also comprises an operator cabin comprising a front side, a rear side, and a pair of lateral sides between the front side and the rear side. A first one of the lateral sides defines an access opening allowing an operator to enter or exit the operator cabin. The operator cabin also comprises a door for closing the access opening and a set of controls for allowing the operator to control the tree processing vehicle. The tree processing vehicle also comprises a pair of arms pivotally movable across a range of angular positions. The range of angular positions includes a first angular position in which a first one of the arms extends across at least part of the access opening and a second angular position in which the first one of the arms clears the access opening thereby allowing the door to be opened or closed. Each of the arms comprises a mounting portion to which a tree processing implement is mountable such that, when the arms pivot across the range of angular positions, the tree processing implement moves across a range of processing heights at which the tree processing implement can perform a tree processing function. The tree processing function may be a shredding function, whereby the arms are pivotally movable in the range of angular positions to move the tree processing implement in the range of processing heights such as to impart to the tree processing implement a downward tree shredding stroke during which the tree processing implement shreds at least a portion of a tree. | 03-25-2010 |
20110005641 | SURFACE REINFORCED SOLID WOOD PROFILES, FLOORING AND MANUFACTURING METHOD - The present invention relates to the technical filed of wood processing, in particular to the method for strengthening the wood surface, the profiles and the solid wood flooring of the same. The density of the surface-strengthened solid wood profiles are 300˜580 Kg/m | 01-13-2011 |
20110023999 | SHALLOW WATER WOOD HARVESTER - A device and methods for harvesting submersed wood are provided. The device comprises, a machine operatively associated with a movable boom member rotatably attached. A telescoping stick having a first and second end is pivotally attached to the movable boom in a mid portion of the stick. The second end of the telescoping stick is attached to a wood gripping-cutting head. The telescoping stick is moveable to an operative position so that the second end extends below a plane defined by a surface the machine is located upon. When in use, the second end may extend into water located below the plane defined by the surface the machine is located upon. The device may be used on land, a dock, and a wharf adjacent a water edge, or the device may be located on a floating platform | 02-03-2011 |
20110226385 | Continuous rotation log turner - An elevating and clewing continuous log turner includes a mainframe having a movable frame adapted for vertical or horizontal translation relative to the mainframe. A rotating group is mounted in the movable frame. The rotating group has a passageway therethrough. Roller arms are pivotally mounted around a perimeter of the rotating group. The roller arms concentrically clamp the log relative to the rotating group to thereby rotate the log about its longitudinal axis simultaneously with selective rotation of the rotating group. At least one actuator horizontally and vertically translates the movable frame relative to the mainframe. | 09-22-2011 |
20140096870 | METHOD, APPARATUS, AND SYSTEM FOR CONTROLLING A TIMBER-WORKING DEVICE - Method, apparatus, and system for operation of a timber-working device configured to perform at least one operation having an associated hazard zone. At least one signal from at least one orientation sensor associated with the timber-working head may indicate whether a predetermined location is within the hazard zone based on the orientation of the timber-working head. Operation of the timber-working head can be controlled based on the signal. | 04-10-2014 |
20140096871 | METHOD, APPARATUS, AND SYSTEM FOR CONTROLLING A TIMBER-WORKING DEVICE - A method, apparatus, and system for operation of a timber-working device capable of performing an operation having an associated hazard zone. The device can receive a wireless signal indicating a location of an object tracking device, determine the location of the object tracking device relative to the hazard zone of the timber-working device and determine a recommended operation of the timber-working device based at least in part on the location of the object tracking device relative to the hazard zone. | 04-10-2014 |
20140238544 | TIMBER-WORKING HEAD AND METHOD OF OPERATION - A timber-working head and method of operation are provided. The head has a frame to which first and second arms are pivotally connected. Respective linear drive actuators pivot the respective arms relative to the frame to open and close them. At least one processor controls application of pressure by the linear drive actuators such that the arms grasp timber to be processed by the head. The position of the linear actuators is used to determine whether the timber is offset from a feed axis of the frame beyond a predetermined distance, and the application of pressure by one of the linear actuators to reduce the offset to be within the predetermined distance. | 08-28-2014 |
20140238545 | SYSTEM, DEVICE, AND METHOD FOR PROCESSING A LENGTH OF MATERIAL - A system, device, and method for processing a length of material are provided. A material-working device has first and second cutting devices, each having different cutting capacities. Data relating to the length and diameter at a plurality of points of the material is received, and used to determine at least one cutting position along its length. The diameter of the length of material at the cutting position is determined, and used to select either the first cutting device or second cutting device for use in performing a cut at the cutting position based on the cutting capacity of each cutting device. | 08-28-2014 |
20150319939 | TIMBER-WORKING DEVICE AND METHOD OF OPERATION - A timber-working device comprises a frame having a feed axis and a drive system configured to feed at least one stem along the feed axis. The drive system comprises a first drive arm pivotally attached to the frame on a first side of the feed axis, having a first rotary drive having a first wheel. A second drive arm is also pivotally attached to the frame on a second side of the feed axis, having a second rotary drive having a second wheel. The drive system also comprises a third rotary drive having a third wheel, and a fourth rotary drive having a fourth wheel, mounted on the frame on the first and second sides of the feed axis respectively. At least one processor controls operation of the rotary drives, such that in a first mode the speed of the respective wheels of the rotary drives on the same side of the feed axis is substantially the same, and in a second mode the speed of the respective wheels of at least two rotary drives on opposing sides is substantially the same. | 11-12-2015 |
20160057946 | TIMBER-WORKING DEVICE AND METHOD OF OPERATION - A timber-working device has a frame, including a feed axis having first and second sides. A drive system independently feeds stems along the feed axis, and has a first rotary drive having a first wheel acting against a first stem on the first side, and a second rotary drive having a second wheel acting against a second stem on the second side. The device has at least two distance measurement devices, each side of the feed axis having an associated distance measurement device. Each generates measurement signals indicative of the length of stems fed along the feed axis, at least one of them indicative of rotation of one of the rotary drives. A processor receives the respective measurement signals, and for each of the first and second stems, determines the length of at least a portion of the stem fed by the drive system based at least in part on the respective measurement signals. | 03-03-2016 |
144336000 | Tree felling | 17 |
20080289724 | Timber Harvesting Apparatus - The use of a harvester head, processor head or merchandiser to deploy or place probes into a standing tree, felled stem or trunk, log, cant or the like whereby a time of flight of a stress or acoustic wave can be measured for the purpose of comparing a relationship to a threshold for the purpose of attributing a characteristic to be harvested, processed or broken down tree, stem or trunk, log, cant or the like. | 11-27-2008 |
20090000698 | Suspendable tree cutter having an adjustable orientation pivot - Disclosed is a method and apparatus for cutting a tree using a helicopter and a tree cutter suspended from the helicopter. The tree cutter includes a frame which is selectively orientable about a horizontal axis of rotation by an elongate member extending perpendicular to the horizontal axis. A support line from the helicopter is mounted to the elongate member. The support line may be slid to a plurality of locations along the elongate member. Each of the plurality of locations corresponds to a unique orientation of the frame. A pair of gripping arms extend from the frame. A saw is pivotally mounted to the frame so as to cut a tree secured in the gripping arms. The method includes selectively orienting and suspending the cutting apparatus proximate to a tree to be cut, gripping the tree with the gripping arms and cutting the tree with the saw. | 01-01-2009 |
20090095375 | TREE COUNTER FOR A SAW HEAD IN A TREE FELLER - A forestry machine includes a frame, and a felling saw carried by the frame. The felling saw includes a saw head. A tree counter associated with the saw head includes an audio sensor providing an output signal representing an audio parameter associated with a cutting action of the saw head. An electrical processing circuit is coupled with and receives the output signal from the audio sensor. The electrical processing circuit determines a tree count associated with the saw head, dependent upon the output signal from the audio sensor. | 04-16-2009 |
20100024921 | METHOD AND ARRANGEMENT FOR HARVESTING - A method for harvesting and an arrangement for processing wood. In a harvesting area, a baler ( | 02-04-2010 |
20100282367 | TREE HARVESTER HEAD WITH LUBRICATION SYSTEM FOR MULTIPLE SAWS - A tree harvester head ( | 11-11-2010 |
20110155283 | COMBINATION FOREST BIOMASS AND TREE HARVESTER, HARVESTING HEAD ASSEMBLY, AND METHODS FOR HARVESTING - The disclosure relates to a combination forest biomass and tree harvester, a harvesting head assembly, and methods for harvesting trees and forest biomass. In some embodiments, the combination forest biomass and tree harvester includes a self-propelled vehicle base, a moveable arm, and a harvesting head assembly. The harvesting head assembly may include a frame member, a grabbing assembly, and a cutting assembly. The cutting assembly may include a primary cutting mechanism and a secondary cutting mechanism. As the combination forest biomass and tree harvester moves through a forest area, the cutting assembly may be used to cut trees and mow biomass. | 06-30-2011 |
20120255649 | LOAD SENSE HYDRAULIC PUMP ALIGNMENT - A tree harvester is disclosed that includes first and second hydraulic pumps for powering a harvesting head of the tree harvester. | 10-11-2012 |
20120261032 | LOAD SENSE AND HYDRAULIC PUMP MANAGEMENT - A tree harvester is disclosed that includes first and second hydraulic pumps for powering a harvesting head of the tree harvester. | 10-18-2012 |
20140027019 | HYDRAULIC ARRANGEMENT IN CONNECTION WITH A CUTTING DEVICE AND A CORRESPONDING METHOD - A hydraulic arrangement and method in connection with a cutting device includes a hydraulic input line, a hydraulic motor, a return line from the hydraulic motor, a hydraulic cylinder for pressing the cutting device, a feed line for the hydraulic cylinder, connected in parallel with the hydraulic motor to the input line, and a directional control valve and a pressing line and a lifting line. The hydraulic arrangement further includes a throttle for throttling the flow exiting from the hydraulic motor in the return line, and a pressure valve located between the said pressing line and the pressure side of the throttle, for controlling the hydraulic cylinder on the basis of the speed of rotation of the hydraulic motor. | 01-30-2014 |
20140069554 | INTEGRATED HYDRAULIC SYSTEM FOR HARVESTER - A harvester is provided for felling and processing a tree, the harvester including traction devices and a harvester head. The harvester includes an integrated hydraulic system for operating the traction devices and the harvester head. More particularly, the harvester includes an integrated load sense system for operating the traction devices and the harvester head. | 03-13-2014 |
20140261890 | Tree Felling and Grappling Head - A grappling and severing head for gripping and severing a tree stem, having a grapple assembly and a severing assembly. Grapple arms are attached to a grapple body and extend forward beyond a front face of the grapple body. A severing assembly body is attached to the grapple body and is moveable between a retracted position and an extended position. A severing device is attached to the severing assembly body and is moveable between a stowed position and a range of deployed positions. When the severing device is in the stowed position and the severing assembly body is in the retracted position, the severing device and the severing assembly body lie substantially behind the front face of the grapple. body and/or behind the gripping face of at least one of the grapple arms. | 09-18-2014 |
20160010664 | CONTROL SYSTEM FOR A FELLING SAW AND METHOD OF CONTROL THEREOF | 01-14-2016 |
144337000 | And chipping | 3 |
20090000699 | Tree chipper - Disclosed is a method and apparatus for chipping a tree utilizing a helicopter suspended chipping apparatus. The chipping apparatus comprises a frame having a bottom, which is suspendable from a support vehicle and includes a chipping rotor having a length extending along a substantially horizontal axis and a chipping surface. The chipping rotor is rotatably mounted in the frame such that a lowermost portion of the chipping surface is proximate to the bottom of said frame. The chipping apparatus further includes a drive motor operably connected to the chipping rotor for rotating the chipping rotor about the substantially horizontal axis. The chipping apparatus may be lowered onto a tree to be chipped by the helicopter so as to chip the tree proximate to ground level. | 01-01-2009 |
20120073705 | TREE HARVESTERS - A tree harvester, suitable for harvesting small trees in row(s) as a source of biomass, has a harvesting head with a chipper drum and complementary anvil. A pick-up front has at least one spiral and guide member, such as a guide rail or counter-rotating spiral, to maintain a tree in a substantially vertical position when, and after, its stem is cut by a base cutter. The pick-up front has a support plate or conveyor, which co-operates with the at least one spiral or guide member pair, to convey the tree to a location about the chipper drum, for engagement by at least one pair of nip rollers above the chipper drum, while maintaining the tree in the substantially vertical position. The, or each, pair of nip rollers feeds the tree downwardly (and rearwardly) to the chipper drum, while still maintaining the tree in the substantially vertical position, for conversion to biomass, such as woodchips. | 03-29-2012 |
20120305138 | TREE PROCESSING VEHICLE - A tree processing vehicle comprising a prime mover and a pair of tracks for propelling the tree processing vehicle, the prime mover being in a driving relationship with the tracks. The tree processing vehicle also comprises an operator cabin comprising a front side, a rear side, and a pair of lateral sides between the front side and the rear side. A first one of the lateral sides defines an access opening allowing an operator to enter or exit the operator cabin. The operator cabin also comprises a door for closing the access opening and a set of controls for allowing the operator to control the tree processing vehicle. The tree processing vehicle also comprises a pair of arms pivotally movable across a range of angular positions. The range of angular positions includes a first angular position in which a first one of the arms extends across at least part of the access opening and a second angular position in which the first one of the arms clears the access opening thereby allowing the door to be opened or closed. Each of the arms comprises a mounting portion to which a tree processing implement is mountable such that, when the arms pivot across the range of angular positions, the tree processing implement moves across a range of processing heights at which the tree processing implement can perform a tree processing function. The tree processing function may be a shredding function, whereby the arms are pivotally movable in the range of angular positions to move the tree processing implement in the range of processing heights such as to impart to the tree processing implement a downward tree shredding stroke during which the tree processing implement shreds at least a portion of a tree. | 12-06-2012 |
144338000 | And delimbing and cutting trunk to length | 1 |
20100230008 | WOOD HARVESTER APPARATUS AND HARVESTING AND WOOD PROCESSING METHOD - A harvester apparatus ( | 09-16-2010 |
144339000 | By shearing | 1 |
20140137987 | Jaw Devices for Heavy Equipment - Jaw-type devices are disclosed which are designed to be utilized by heavy equipment, such as tractors, front-loader machines, skid steers, mini track loaders, fork lifts, etc., to grasp, cut, move, lift or otherwise manipulate a variety of objects, such as trees, rocks, hay bales, paper bales, potted plants, etc. The jaw-type devices are configured to be removably attached to a piece of heavy equipment, e.g. through a standard mount such as a three-point hookup or front-loader universal quick attachment plate such as are typically provided on heavy equipment, and to receive a variety of interchangeable attachments. | 05-22-2014 |
144340000 | Debarking | 7 |
144341000 | Mechanically (e.g., by engaging a friction, impacting, cutting member) | 7 |
20090151817 | DEBARKING MECHANISM - The invention relates to a debarking mechanism ( | 06-18-2009 |
20090188586 | Method and apparatus for drum debarking of wood - The invention concerns a method and an apparatus for drum debarking of wood, the bark being removed from the wood in a debarking drum being rotatable alternatively in the opposite directions and having different debarking properties in the alternative directions of rotation thereof. According to the invention, the wood and the loosened bark along with it are guided to a bark separation dependent on the direction of rotation of the debarking drum. | 07-30-2009 |
20110108163 | DEBARKING CHAIN WITH PASSING LINKS - A debarking chain having passing links; the passing links being substantially rounded in order to permit the passing links to pass through adjacent links such that the orientation of the passing link relative to its adjacent links can change at random in order to randomly distribute the wear and stress from any impact of adjacent or next to adjacent links on the passing links so that the overall wear life of the present debarking chain is extended over similar chain with elongated, oblong links of the prior art. The invention also includes a debarking drum having a plurality of debarking chains having at least one, preferably a plurality of passing links, as well as a debarking device having such a debarking drum. The debarking device preferably includes a chipping device and a method of using the same. | 05-12-2011 |
20120024426 | DEBARKING MECHANISM AND METHOD - A debarking mechanism including of rotatable debarking shafts extending parallel to an advancing direction (A) of the logs to be fed therethrough, which are provided with teeth extending beyond the circumferential surface of the shaft. At least the uppermost debarking shaft is moved sideways towards the inner part of the debarking mechanism in such a way that each debarking shaft directs an impact effect on logs colliding with it and moved by the debarking shafts located in a lower position. The circumferential speed of the debarking shaft is selected to be the greater the higher the debarking shaft is positioned. A free passage is arranged for the bark passing over the debarking shaft. | 02-02-2012 |
20120097294 | Debarking Chain with Passing Links - A debarking chain having passing links; the passing links being substantially rounded in order to permit the passing links to pass through adjacent links such that the orientation of the passing link relative to its adjacent links can change at random in order to randomly distribute the wear and stress from any impact of adjacent or next to adjacent links on the passing links so that the overall wear life of the present debarking chain is extended over similar chain with elongated, oblong links of the prior art. The invention also includes a debarking drum having a plurality of debarking chains having at least one, preferably a plurality of passing links, as well as a debarking device having such a debarking drum. The debarking device preferably includes a chipping device and a method of using the same. | 04-26-2012 |
20130333805 | Method and system for detecting the quality of debarking at the surface of a wooden log - A method and system for detecting and controlling the quality of debarking at the surface of a wooden log provide information on main parameters related to the debarking quality of the log surface, including fiber loss and residual bark. The debarking quality detecting method and system involve measurement of three-dimensional profile of at least a portion of the log surface to generate corresponding profile image data, which is processed to generate data indicative of the texture of the log surface. The texture data is then analyzed to generate resulting data on the debarking quality parameters. That quality indicative information can be generated on a continuous basis to provide an objective assessment of the quality performance in real-time in view of target productivity, and may then be used to perform optimal adjustments of the debarker operating parameters, either manually by the operator or automatically through feedback control. | 12-19-2013 |
20140060701 | MULTI-AXIS CONTROLLED SELF-CLIMBING TREE TRIMMER - A multi-axis controlled self-climbing tree trimmer used for shaping and severing peripheral growth from a tree is provided herein. The trimmer typically includes a structural segment hinged together to form a rigid chassis that surrounds a tree trunk climbing segment and a trimming portion. The climbing portion is retained within the structural segment in the form of a number of inward-extending carriages containing one or more rollers for gripping the tree trunk during climbing, and the trimming portion may include a rotatable split ring gear containing centrifugally rotating trimming blade members and/or a cutting tool on a positionable arm. When rotated, the blade members unlatch and pivot, into the trunk of the tree to effect controlled trimming. The system may utilize a multi-axis control system that uses linear interpolation, circular interpolation and coordination of all axes to enable the trimmer to follow an XYZ contour selected by a user. | 03-06-2014 |
144343000 | Delimbing | 11 |
20080251157 | Tree and stump trimming and removal system - A novel tree trimming system includes a crane which lifts a wood working implement and a tree trimmer together over obstacles if necessary to a location where a tree is to trimmed. The tree trimmer may cut limbs and feed them directly into the wood working implement that is mounted just beneath him or may drop them to the ground or fasten them to holders that have been lifted with the tree trimmer by the crane. On the ground, a cart which may be motor driven by hydraulic motors or manually moved or pulled by another vehicle can be retracted to fit through ordinary garden gates. The retraction may include moving the wheels or tracker treads of the cart together and moving the hydraulic motor outside of the space between tractor treads so that the tractor treads may be moved closer together. Moreover, side members may be folded upwardly to compress material on the top of the cart and extensions moved in place at the front and end of the cart to increase load carrying capacity. A stump grinder includes an enclosure to control the chips and powder and a vacuum to pull the chips and powder into a container. | 10-16-2008 |
20110265912 | TREE DELIMBING METHOD AND DEVICE - Method and device for delimbing a tree trunk ( | 11-03-2011 |
20120279614 | Apparatus for General Tree Trimming or Precision Tree Trimming - Disclosed herein is an apparatus preferably coupled to a boom on a truck, the apparatus capable of a plurality of configurations for a variety of uses. In one configuration, the apparatus can perform rapid semi-precise cutting of vegetation. In another configuration, the apparatus can perform more precise trimming of one or more areas (e.g., limbs) and optionally use a limb clamp to prevent cut limbs/vegetation from arbitrarily falling on objects below the cutting area. In yet another configuration, the apparatus can have a grapple or similar device attached to the end of the boom for use in relocating debris or for loading debris into a removal facility such as dump or garbage truck. In each configuration, the apparatus comprises one or more rotatable or pivoting couplings to allow for rotation about one or more axis and therefore allow precise manipulation from an operator in the vehicle or on the ground. | 11-08-2012 |
20120279615 | Apparatus for General Tree Trimming or Precision Tree Trimming Having an Aerial Tank - Disclosed herein is an apparatus preferably coupled to a boom on a truck, the apparatus capable of a plurality of configurations for a variety of uses. In one configuration, the apparatus can perform rapid semi-precise cutting of vegetation. In another configuration, the apparatus can perform more precise trimming of one or more areas (e.g., limbs) and optionally use an aerial tank mounted at the far end of a boom assembly. Typically the aerial tank will be mounted just beneath the attachment of the cutter head assembly to the boom and above one or more insulation couplings. In some disclosed embodiments, the aerial tank that can be remotely controlled. The aerial tank can be used as a liquid chemical supply or cleaning liquid supply as needed for various tree trimming tasks. | 11-08-2012 |
20130098505 | CUTTING BIT FOR PRUNING TOOL - A cutting bit for a pruning tool includes an elongate body having a first end and a second end. At least one flute extends at least part of a distance between the first end and the second end of the elongate body. A shank is located at the first end of the elongate body and is adapted for connection to an associated pruning tool. The second end of the elongate body defines a boring tip. | 04-25-2013 |
20130126046 | Tree pruning method and tree pruning head for performing same. - A method for cutting a branch from a tree using a blade, the branch extending outwardly from a main tree portion, the method comprising: positioning the blade substantially adjacent to the branch and substantially perpendicular thereto; and moving the blade transversely across the branch to cut the branch. Moving the blade transversely across the branch includes moving the blade along a curved path, the curved path being concave in a direction facing the main tree portion. Also, a tree pruning head for performing the method. | 05-23-2013 |
20130233448 | SYSTEMS AND METHODS FOR DELIMBING TIMBER - A tree harvesting system includes a loader and a delimber. A camera system mounted on the delimber permits an operator to view an interaction area between a delimbing saw or toping saw and the tree being cut while the operator remains safely in a cab of the loader. The camera system provides image data to a display system located in the cab of the loader, and the image data may be viewed and/or processed to provide information about the interaction area, physical data about the tree, or some combination thereof. Advantageously, the tree harvesting system may allow for more accurate saw cuts at a preferred location of the tree, which in turn may result in a higher dollar amount and more efficient distribution of sticks to the mills. | 09-12-2013 |
20130284317 | TIMBER PROCESSING WITH A KNUCKLEBOOM LOG LOADER - A machine for processing trees includes a trailer; a loader and a tree processing unit mounted on the trailer. The tree processing unit is configured to independently process loaded trees. | 10-31-2013 |
20130299046 | METHOD AND APPARATUS FOR HANDLING A TREE - The object of the invention is a method and an apparatus for cutting a tree. In the method a delimbing & crosscut device cutting branches and able to cut the trunk of a tree is controlled upwards along the trunk of a tree intended to be removed and when it ascends to cut the branches of the tree that are in its way. The delimbing & crosscut device is controlled to ascend and descend along the trunk of the tree step-by-step by alternately increasing and shortening the length of the delimbing & crosscut device. | 11-14-2013 |
20150114520 | HIGH LIMB TREE TRIMMER AND METHOD OF USE - A portable and remotely controlled motor and chain/bar apparatus that can trim limbs in excess of about 60 feet from the ground level in an extremely safe manner. An operator on the ground can remove a limb from a safe distance exceeding about 50 feet from where the limb would fall or be lowered to the ground. A motorized chain/bar assembly is secured to a small platform which can easily be lifted for tree delimbing. For safety and stability, the chain/bar cutting platform is secured to all sides of the limb to be cut. Once in position, the operator by applying power to the unit, starts the cycle as the motor chain/bar carriage travels to the top of the platform, the motor/chain/bar rotates from a vertical to a horizontal position and as the motor chain/bar is engaged it travels in a downward motion towards the lower section of the platform creating the pressure required to complete the delimbing process. The bar/chain delimbs at a horizontal position therefore eliminating the common pinching or binding of the bar/chain by the branch during the cutting process. | 04-30-2015 |
20160000017 | LIGHT POLE SAW - A pole saw apparatus includes a saw blade, a pole, and a tubular adapter connecting the saw blade to the pole. The adapter includes an obround blade-receiving end that stably telescopingly engage sides of the blade-receiving end, with bolts fixing the blade on the adapter. The adapter also includes a pole-engaging end that is cylindrically shaped to telescopingly engage the anchoring end of the pole. A friction clamp includes a transverse shaft extending through the pole, the shaft being shaped to slide into longitudinal slots in the pole-engaging end of the adapter and then rotate into circumferential slots where it is not longitudinally removable. A rotatable cam handle on the clamp is manipulated to create circumferential friction to hold (or release) the adapter on the pole. The blade, adapter and pole align along a common centerline for robust and balanced use. | 01-07-2016 |