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7802594 |
Tree trimmer
Apparatus and method for trimming pine trees. The device comprises an enclosure having a pair of cutter heads mounted thereon each cutter head a pair of jaws having cutting blades thereon which...
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7487809 |
Tree pruning apparatus
A pruning assembly (10) including an elongate supporting body (not shown), right (11) and left (12) jaw members hinged together and movable along the supporting body and each having three sets of...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6408906 |
Gripping and cutting apparatus
Apparatus (10) having special application for gripping and cutting tree limbs around utility lines includes a tubular insert (18) slideably received in the free end of a tubular boom (12). A plate...
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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...
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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...
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6289957 |
Control method and apparatus of a tree harvesting machine
In a control method of a tree harvesting machine, the tree harvesting machine comprises a tree-supporting part (1) with a feeding means (2) for feeding the tree in its longitudinal direction and a...
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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...
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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.
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5908060 |
Tree processing machine
A tree processing machine having a boom, a tree processor head carrying tree processing elements, and a rotator rotatably connecting the tree processing head to the end of the boom. The rotator has...
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5865229 |
Tree harvester
A tree harvester for felling, limbing and cross-cutting tree trunks, comprising a limbing head (15) and felling head (16) assembly which is carried by a boom system. The limbing head (15) and the...
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5785101 |
Tree harvesting and processing head
A head for harvesting and processing a tree is disclosed with drive rollers which can be pivoted away from the grapple arms to enable the head to select a tree from a group of felled trees for...
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5727610 |
Combined tree feller and processor
A combined tree feller processor has a head mounted to a boom with a three-axis coupling. The coupling allows an operator to control the orientation of the head. The head has tree processing means...
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5699712 |
Rotatable side saw for tree processing apparatus
A side saw assembly for a tree processing apparatus. The side saw assembly is rotatably and pivotally attached to a mounting platform on a trailer such that the side saw assembly is selectively...
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5628354 |
Tree processor attachment for log porters
In the present invention, there is provided a tree processor attachment for optionally mounting transversely on a forward section of the log carrying portion of a log porter, so that a log porter...
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5538523 |
Mushroom growing method
A method of growing mushrooms in which at least one live tree is cut to form a living bottom tree portion having a mushroom growing surface. The live bottom tree portion is inoculated with mushroom...
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5533555 |
Delimbing apparatus having selective closable guide arms
A hydraulic control circuit for uniform controlled movement of stripping and guiding arms in a tree delimbing apparatus. The piston rods of said cylinders are mechanically coupled to rotate tubular...
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5465771 |
Wood processing apparatus with impact hammer
An apparatus is provided for delimbing tree limbs of a felled tree including housing structure constructed and arranged to be movable to a tree processing location. Support and feeding structure is...
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5390715 |
Tree pruning apparatus
An apparatus for cutting and pruning trees is attachable to the end of the outermost boom arm of a vehicle mounted boom assembly. The apparatus includes a grapple and saw assembly comprising a...
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5355920 |
Felling 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...
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5322103 |
Continuous chain saw lubricating system for use in a tree delimbing and topping machine
A continuous chain saw lubricating system employed in a tree delimbing and topping machine having a plurality of lubricant conduits connected to a piston cylinder which is divided into...
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5163489 |
Timber 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)...
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5143131 |
Selectable spray pattern chain saw bar system
A fluid spraying saw bar, and a chain sawing apparatus, such as a tree harvester, having such a saw bar are provided for selectively applying a predetermined fluid pattern of urea on a tree stump...
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5129438 |
Boom mounted type tree processing head and mounting therefore
A boom mountable tree processing head that incorporates a number of improvements, one of which is the ability to process more than one tree at a time. To do this, there is an accumulator type...
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5107912 |
Tree processing apparatus
Tree processing apparatus having a knuckle boom mounted at one end on a vehicle. A stick boom is pivotally mounted at one end onto the knuckle boom near its other end. The other end of the stick...
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5082036 |
Forest 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...
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5058638 |
Apparatus 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...
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4981163 |
Assembly intended for tree logging machines
An assembly for use with tree logging or cutting machines of the loader, forwarder type, etc., which are provided with a crane. The assembly is intended to be mounted on the boom or jib of the...
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4947904 |
Apparatus for stacking bolts
The stacker comprises a receiving bin adapted to position bolts close to the ground in an orientation that is perpendicular to the direction of advance of the stacker. The bin has side walls that...
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4922976 |
Apparatus for removing branches from and for crosscutting treetrunks
The apparatus for removing branches from and for crosscutting treetrunks comprises a frame, which is adapted to be suspended from a lifting tackle and is provided with grippers for engaging the...
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4850405 |
Log delimbing and cutoff device
A wheeled trailer provides carriage for a delimbing member having associated means to move a log therethrough and a cutoff member to cut delimbed logs to merchandizable lengths. The vehicle is...
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4823849 |
Wood processor
A wood processor for felling, delimbing and cutting tree-trunks includes a system of arms containing at least two beams (10, 12) mutually movable in the longitudinal direction, one in the other....
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4779654 |
Tree harvesting
A tree harvester (3) is mounted on the front end of a steerable self-propelled vehicle (2) in line with the vehicle's longitudinal axis (8). The harvester frame (11) is pivotable about a...
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4412569 |
Tree harvesting methods and machines
This invention concerns a method of tree harvesting which in its simplest form provides for a method of delimbing the branches of a standing tree, which delimbed tree may be sheared off from its...
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4354539 |
System for pulpwood harvesting and delivery
A pulpwood harvesting system for cutting and transporting trees upon a fragile terrain so as to have a dispersed and minimal impact on the terrain. A rail network is supported above the surface of...
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4273168 |
Apparatus and method for harvesting trees
An apparatus and method for converting standing trees to bolt length logs in which a tree-severing unit is mounted on a vehicle having an upright mast assembly extending upwardly from the severing...
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4239067 |
Apparatus for bulk-lopping, bucking and prestacking in forest harvesting
Apparatus adapted to be connected to the free end of a boom carried by an appropriate vehicle for bulk lopping of trees, such for example as during forest thinning and for substantially...
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4114666 |
Method of forest harvesting and a machine for performing said method
A method of felling and processing trees with a machine with a boom swingable about a vertical axis at the front end of the machine. The boom is extended in front of the machine and a tree is...
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4109689 |
Apparatus for processing trees
A method and apparatus for processing trees in which a clamp holding a severed tree for processing pulls the tree through a set of delimbing blades, while at the same time the blades are moved in...
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3987826 |
Compact tree clamp and automatic sequence control for a tree length harvester
A tree clamp, especially for a tree length harvester, having a compact arrangement of a movable jaw which folds partially inside of a fixed jaw and has a pivoted section to clamp the tree. The...
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3963064 |
Processing whole trees
A system of substantially whole tree utilization wherein the trees are felled and subsequently slashed with the branches and top section intact to form discrete tree sections including a top...
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3960189 |
Method for processing trees and apparatus used therein
An improved method of processing a sheared tree is provided, utilizing an improved processing apparatus. The trunk of the tree is held, by a holding means, adjacent its butt end and the tree trunk...
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