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| Number | Title | Issue Date |
| 7422041 | Tree trimming apparatus “A tree trimming device that automatically climbs a tree or other vertical member and shears limbs or debris as it climbs has an anchor structure with substantially horizontal clamps, a cutting assembly with substantially horizontal clamps, vertical connecting pis... | 09/09/2008 |
| 7128109 | Essential oil reclaim apparatus, and method of use An essential oil reclaim method for use with a corresponding apparatus, comprising the following steps: the apparatus grabs the tree parts, the tree tops or the tree limbs, and shakes them with rotating drums provided with chains (under whiplash effect); the needles... | 10/31/2006 |
| 7086435 | Tree harvesting apparatus and method which enable a cut top or other cut portion of a tree to be weighed before being dropped or lowered to the ground A tree harvesting apparatus and method is particularly adapted for use in crowded housing and industrial areas where there is concern for relatively heavy cut tree portions causing damage when allowed to free fall to the ground. The tree harvesting apparatus and met... | 08/08/2006 |
| 6814112 | Method of controlling press power in a limbing knife assembly in a single-grip harvester head In a method, when using a single-grip harvester head for felling and processing trees, of controlling the press power which, by means of a limbing knife assembly (6), is exerted on a stem (3) which is horizontally fed through th head with its butt end ... | 11/09/2004 |
| 6758248 | Device and method in a tree harvester head In a device and a method for a tree harvester head for trimming tree trunks, the device includes a frame (1) supporting feed rollers (2), one or more trimming knives (4) that pivot towards and away from the tree trunk, as well as a trimming knif... | 07/06/2004 |
| 6729372 | Tree delimber A delimber (10) for removing secondary limbs from a primary limb of a tree Comprises an arm (12) arranged to extend around the primary limb. The arm is provided with cutter segments (18) oriented to cut the secondary limbs from the primary limb ... | 05/04/2004 |
| 6691751 | Grapple harvester The subject of the invention is a grapple harvester which is equipped with a felling and cutting device (14), a feeder (12) and delimbing devices (9, 10, 11, 13). The grapple harvester according to the invention is equipped with a bulk handling device (4)... | 02/17/2004 |
| 6672347 | Aerial tree delimbing apparatus A tree delimber includes a hollow tube having opposite upper and lower ends, the upper end adapted for mounted below an aerial hoist, the lower end having an anti-rotation device mounted thereto for coupling with, mating into and temporarily entangling wi... | 01/06/2004 |
| 6672346 | Palm tree trimming machine The preferred embodiment of the present invention is a tree trimming apparatus comprising a resilient frame, upright assemblies, drive assemblies, resilient alignment bar assemblies, spring tensioner assemblies, a buss assembly, and saw assemblies.... | 01/06/2004 |
| 6662834 | Tree delimber A felled tree delimbing system which is skid mounted, having; a steel, horizontal chute with vertical cutting bars at one end where an overhead locking and cutting arm cooperates with the cutting bars. The operator engages the device by placing a bundle o... | 12/16/2003 |
| 6637482 | Wood harvesting method and a harvester head needed for its implementation The innovation concerns a wood harvesting method and a harvester head. The method is used to harvest all sizes of trees without to take the harvester to the site more than once. The method consists of placing the harvester head against the first tree, clo... | 10/28/2003 |
| 6622761 | Delimbing apparatus The invention relates to a delimbing apparatus for processing elongated pieces, particular tree trunks (S), which apparatus (1) comprises a frame structure (2) to be suspended at the end of a boom assembly in a working machine, at least one means, articul... | 09/23/2003 |
| 6578610 | Automatic feller/buncher clamp control A clamp control system for a feller/buncher has three buttons for automating the operation of the harvesting and accumulating clamps. A CLOSE button, when momentarily actuated for the first tree of a bundle, closes the harvesting clamp and the accumulatin... | 06/17/2003 |
| 6575210 | Apparatus and method of processing logs The present invention provides an apparatus and method of processing logs. The apparatus includes a linkage having a boom and a stick. The boom is adapted for attachment to a support platform. A delimbing assembly is connected to the boom, and a loading a... | 06/10/2003 |
| 6550506 | Delimber/slasher A boom assembly for a delimber having an operator boom with first and second ends and a connector boom having first and second ends. Pivot means pivotably connect the second end of the operator boom to the first end of the connector boom, the connector bo... | 04/22/2003 |
| 6550503 | Drive-through delimbing gate A tree delimbing system which utilizes a "drive-through" gate assembly having a plurality of pre-dimensioned apertures formed therein for removing tree limbs from tree trunks of various dimensions. Each aperture is dimensioned to selectively receive a plu... | 04/22/2003 |
| 6488063 | Delimbing device and methods A push-through delimber device having a frame, a blade lattice, a trough, a throat and a saw so that trees can be topped and delimbed in the throat and pushed through the delimbing blade lattice to further delimb the trees. The delimber device can also in... | 12/03/2002 |
| 6484769 | Delimbing device and methods A push-through delimber device having a frame, a blade lattice, a trough, a throat and a saw so that trees can be topped and delimbed in the throat and pushed through the delimbing blade lattice to further delimb the trees.... | 11/26/2002 |
| 6474377 | Self-propelled climbing tree trimmer A self-propelled, climbing tree trimmer for severing branches from a tree (68) consisting of a support ring (12) divided into two equal parts, with a hinge (18) connecting the ring parts together, thus permitting it to be axially rotated apart to surround... | 11/05/2002 |
| 6431232 | Delimber A tree delimber including a track, a gripping assembly for gripping the butt end of a tree, and a delimbing assembly movably coupled to the track and includes a delimbing blade and a guide for funneling the tree into the delimbing blade.... | 08/13/2002 |
| 6405770 | Modular delimber A delimber having a standard carriage and a delimbing boom, the delimbing boom slidably mounted through the carriage. A drive module is detachably connected to the carriage for use in moving the boom relative to the carriage. Two different types of booms ... | 06/18/2002 |
| 6394156 | Method for cutting trees in the vicinity of a power line and a topping saw A method for cutting trees (18) in the vicinity of a power line (10) using a topping saw (17) suspended from a helicopter (15) in such a way that the helicopter is flown in the direction of the power line (10) so close to the electricity wires (12) that t... | 05/28/2002 |
| 6363981 | Lubrication system for a wood cutting machine In the operation of wood cutting machines such as delimbing machines which use chain saw cutting devices, it is common to either position the lubricating oil reservoir above the chain saw cutting device to create a gravity-fed system or couple a pump appa... | 04/02/2002 |
| 6318425 | Delimbing device and a method in a delimbing device The invention relates to a method in a delimbing device (1), which delimbing device (1) comprises a frame structure (2), at least one supporting means (3a, 3b, 3c) attached in the frame structure (2) in a movable (5a, 5b, 5c) manner to support the tree-tr... | 11/20/2001 |
| 6311746 | Circular saw head A circular saw head for use as a boom mounted head attachment is disclosed for agricultural trimming. The blades can cut as much as four inches of material. An adjustable head piece is provided that is also reversible allowing for exposure of more or less... | 11/06/2001 |
| 6202719 | Timber harvester and a feeder device for it The present invention relates to a timber harvester (10), which includes two opposing jointed feed devices (14), stripping blades (15), and a cutting device (16). The frame (21) of the feed device (14) is set on articulated arms (13), and in which the fee... | 03/20/2001 |
| 6167927 | Arrangement for mounting a cutting head assembly of a delimbing device on a support member A delimbing device includes a cutting head assembly having (i) a cutting blade configured to cut branches off of a tree and (ii) a bar saw configured to cut through the tree. The device also includes a first support member supporting the cutting head asse... | 01/02/2001 |
| 6167926 | Self-aligning delimbing apparatus An improved self-aligning tree delimbing apparatus for use in conjunction with a knuckle boom loader having an inner frame member pivotally mounted and concentrically received within an outer frame member, which is rigidly attached to a base member. Pivot... | 01/02/2001 |
| 6155317 | Mechanical pull-through delimbing device A mechanical pull-through delimber device having opposed semicircular blades urged closed by counter-weights and coupled so that both open when one is pivoted open using a lever.... | 12/05/2000 |
| 6125895 | Modular delimber A delimber having a standard carriage and a delimbing boom, the delimbing boom slidably mounted through the carriage. A drive module is detachably connected to the carriage for use in moving the boom relative to the carriage. Two different types of booms ... | 10/03/2000 |
| 6070627 | Tree delimbing device A device for delimbing trees includes two pairs of opposing curved limb-stripping levers including curved cutting blades for engaging and encircling the trunk of a tree to remove limbs therefrom, and a bottom cutting blade positioned to remove limbs from ... | 06/06/2000 |
| 6068033 | Timber harvester A harvester is provided including a saw situated on a trailer for cutting purposes. A drive assembly is adapted for guiding logs past the saw for cutting the same.... | 05/30/2000 |
| 6065513 | Grapple of a tree harvesting machine In the grapple of a tree harvesting machine, the feeding means (14, 15) and/or delimbing means (1, 2) are pairwise coupled in a way that the movement of the actuator (6) is transmitted to one swinging arm (5) of the pair directly and to the other one by m... | 05/23/2000 |
| 6000448 | Delimber system An improvement to a delimber system having a delimbing unit including cutting elements, for cutting limbs extending from a tree trunk, and a tree trunk loader mechanism, for pulling the tree trunk of a tree to be delimbed through the delimbing unit such t... | 12/14/1999 |
| 5983966 | Self-propelled tree pruning apparatus A self-propelled tree pruning apparatus having a cutting tool with helical edges, such as a milling head. The pruning apparatus is comprised of a frame, at least one pair of driven wheels rotatably attached to the frame, a pair of hugger wheels rotatably ... | 11/16/1999 |
| 5975168 | Device 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 |
| 5964262 | Treelength processor A treelength processor which tops and delimbs trees by processing from the top of the tree toward the bottom. The treelength processor operates from fellerbuncher piles and processes close to the stumps so that residual material is relatively easily distr... | 10/12/1999 |
| 5957177 | Coupled workhead for use in 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... | 09/28/1999 |
| 5944077 | Equipment including a motor-driven chain saw for cutting branches from and felling trees The device for the disbranching and felling of trees is provided with a chain saw (110) and possesses a seizing means (15,16,17) swivelling relative to the blade (22) of the chain saw with a plurality of grabbing arms that are swivellable about a common a... | 08/31/1999 |
| 5927358 | Tree limb removing apparatus and method A tree limb removing apparatus and method featuring a tree delimbing device having a horizontal member with a plurality of vertical members perpendicular thereto and depending therefrom, which vertical members are preferably discs which are rotatable abou... | 07/27/1999 |
