Abstract: The invention relates to a method for thinning a forest by means of a wheeled harvester and a wheeled forwarder comprising a driver's cab and a load carrier located behind the cab. The harvester (3) is caused to advance in existing forest stands (1) in routes optimally selectable with regard to the characteristics of the stand, between main haul roads or strip roads close to each other, and is parked on suitable places along the routes for felling trees on each parking place. The trees are limbed and placed underneath the harvester between the wheels thereof, and the forwarder (4) is caused to follow the harvester in the same route as this and take care of the tree stems placed underneath the harvester and left behind it. This is achieved in that the felled trees lying in front of the forwarder are lifted by it and moved over and rearwards past the cab of the forwarder to the load carrier situated behind the cab.

Abstract: There is disclosed a powered truck-like vehicle having a support base at the back and an apparatus for cutting street or road pavement. A length-wise-extensible boom is mounted at one end on the base so that it can extend laterally of the vehicle. An elongated rail structure is mounted on the other end of the boom in a manner such that it can be moved alongside the boom. A saw carrier, mounted on the rail structure so that it can be displaced along it, is provided with a rotary pavement cutting saw that can be displaced relative to the rail structure to cut pavement. The vehicle may further comprise a second lengthwise-extensible boom fixed to the base so as to project laterally from it at right angle to the longitudinal axis of the vehicle.

Abstract: A tree harvester comprises a head boom at the lower free end of which is mounted a tree felling head having a cylindrical cutting knife behind which is formed a storage enclosure for felled trees. The head includes pivotable gripping arms for pressing the cylindrical knife against the trees to be felled and for moving them and holding them in the storage enclosure.

Abstract: There is disclosed a machine including a powered truck-like vehicle having a support base and an apparatus mounted on the base for cutting a drive-in passage across a curbstone, a sidewalk or the like. The apparatus comprises two spaced parallel booms mounted at one end on the base and rail-structure-holding heads connected to the booms and displaceable along them. A rail structure including an elongated upper suspension member, having a non-circular cross section, is mounted on the heads by extension of the suspension member through rotary pillow blocks of the heads of which the cylinders have like non-circular bores. A linkage powered mechanism, interconnecting the heads and the suspension member, allows oscillation of the latter about its longitudinal axis and consequently oscillation of the rail structure of which it is a part. A power jack allows shifting of the rail structure laterally with respect to the booms.

Abstract: An apparatus for cutting and crimping pipe having a first jaw and a second jaw between which a pipe is placed to be crimped and/or cut. At least one of the first jaw and the second jaw is mounted for relative reciprocating movement toward and away from the other, whereby the jaws are capable of cutting and crimping pipe placed therebetween. A guide mechanism, preferably a guide plate, is disposed at an angle to the jaws for guiding a pipe placed between the jaws, whereby the pipe can be cut and crimped at an angle determined by the angle of the guide mechanism. It is preferable that the jaws have a first section provided with a mechanism for cutting and crimping pipe and a second section without a mechanism for cutting pipe whereby pipe placed in the second section may be crimped only. Preferably the first jaw is driven by a hydraulic ram.

Abstract: Apparatus for reworking pavement expansion joints by resizing the joint includes a frame having front and rear portions hinged to one another at a transverse pivot axis. The frame pushed along the pavement by a vehicle. The rear frame portion is supported by laterally positioned wheels and by a rear guide disk. The front frame portion is supported by a front guide disk. The guide disks lie along the frame axis and engage the expansion joint to guide the frame along the joint. A concrete cutting saw is mounted to the rear frame portion directly above the axis of the support wheels with its saw blade lying in the same vertical plane as the guide disks. The saw is preferably remotely raised and lowerd through actuation of a hydraulic cylinder mounted to the frame to adjust the depth of cut. The frame is pushed through a link drive having dual axis joints for attachment to the vehicle and the frame.

Abstract: A method and apparatus for slicing, lifting and carrying round bales or the like. The method for slicing the bale consists of making a radial cut through the length of the bale. The radial cut causes the circumferentially wrapped bale fibers to be cut which causes bale to open up. A partial radial cut, leaving the outer bale fibers uncut, can be made leaving bale substantially in a cylindrical shape to facilitate easy transport with a forklift like carrier. The apparatus consists of a mast assembly mounted to raiseable three point hitch of an agricultural tractor or the like. A pair of parallel forks are directly attached to mast and engage the curved sides of bale so as to lift and support bale for easy transport. A hydraulically activated knife assembly is attached to mast and forks. The knife has serrated teeth which cut through bale when knife reciprocates. A bumper or work guide when attached to the end of forks holds bale during cutting process.

Abstract: An apparatus for segmenting scrap tires having a compression conveyor and three rotary shears that make perpendicular cuts into the tire. The compression conveyor centers the tire and provides forces onto the treaded periphery to buckle the tire. The compression feeds the tire to a first rotary shear having overlapping counterrotating circular shears that make at least one cut about the circumferential periphery of the tire to produce annular tire segments. The annular tire segments fall by gravity into a conveyor having a pair of auger flights which position the segments for pickup by a conveyor chain. The conveyor chain includes a number of hooks which grasp the inner circumference of the annular tire segments, whereupon they are centered for entry into a second and third rotary shear.

Abstract: The invention relates to a scrap shearer comprising a displaceable frame (1) and a pair of blade units (2, 3) shearing in a scissor-like manner, whereby the blade units are fastened on the frame (1) so that at least one of the blade units (2, 3) is pivotable. The object of the invention is to provide a scrap shearer which is displaceable to such large scrap objects as e.g. ships and which is capable of advancing within the scrap object, by means of which shearer the requirements of different kinds of scrap objects can be taken into account in the best possible way. This is achieved according to the invention in such a manner that fastening means (7, 8, 11) of the pivotable blade unit (2) are adjustable for the adjustment of the shearing gap and/or angle between the blade units (2, 3).

Abstract: Apparatus for moving a tree is disclosed that includes a plurality of ground piercing blades, means for moving the blades into the ground below a tree to sever the tree and a root ball from ground, and guide means for guiding the blades into position under the tree to sever the tree and to support the tree and the root ball as the tree is moved to another location.

Abstract: Apparatus for cutting out blocks from a silo fodder bin has an hydraulically-driven, blade-carrying travelling gear travelling to and fro across a bridge and a conduit between hydraulic feed and return lines thereto such that the fluid flow through said conduit varies the speed of movement of the travelling gear.

Abstract: A paper dispensing apparatus includes a platform having a pair of wheels and a housing attached to the platform. A plurality of shafts extend upward from the platform to respectively support different widths of paper rolls. A handle may be attached to the housing to assist manipulation of the apparatus by an operator. Cutting blades are mounted in the housing adjacent the respective paper rolls and operate through vertical movement by means of a drawn cable. A shaft extends upward from the platform to support masking tape rolls at a position to overlap the side edge of the paper rolls. Adjustable retaining collars are provided to accommodate varying widths of paper rolls. Retaining springs are provided to apply tension to the paper rolls.

Abstract: A hydraulically powered mobile radial arm timber saw and control assembly in which positive control of saw movement is maintained from the fully retracted saw position to the fully extended saw position by a novel hydraulic control assembly.

Abstract: A heavy duty shear for a backhoe including a lower jaw having a shear blade and a guide blade lying along each other and tied together at their outer ends, an upper jaw defining a shear blade and having a wear plate or guide to engage and slide along the guide blade of the lower jaw, the guide blade of the lower jaw having its edge recessed below the level of the cutting edge of the shear blade of the lower jaw.

Abstract: A machine for removing blocks of forage from inside a horizontal silo has a chassis with prongs fitted on a lower part of the chassis and extending substantially horizontally, an arm located at a certain distance above the prongs and bearing a cutting device, wherein the arm with the cutting device is hingedly mounted on a crank by means of a substantially vertical first axle, and the crank is hingedly connected to the chassis by a second axle which is offset relative to the first axle.

Abstract: A mobile paper roll splitter device and a method for splitting a roll of paper are disclosed. A fork lift type truck is moved to a roll of paper and a horizontally disposed spline is inserted into the core of the paper. A horizontally disposed beam operatively connected to the truck is moved downwardly onto the roll of paper along a vertically disposed beam also connected to the truck. A blade, operatively mounted on the horizontal beam, is moved horizontally back and forth along the horizontal beam as the horizontal beam is forced downwardly onto the roll of paper, thus splitting the roll.

Abstract: A felling head for use in harvesting trees. The felling head carries a pair of circular saws and means for positioning and gripping a tree to be felled. The saws are rotated and moved relative to the positioning and gripping means to, between them, cut through a positioned and gripped tree.

Abstract: A chain saw mountable on a powered vehicle having a chain support with a loop-defining chain run including an exposed cutting run portion. The chain support has a lower surface which defines a lower tree-cutting surface along which the lower support surface travels during cutting. The non-cutting run portion of the chain loop is disposed coincident with or above this lower surface. The upper surface of the support covers the non-cutting run portion and has a general wedge-shaped tapering toward the cutting run portion.

Abstract: There is provided a method and apparatus for felling a tree. A tree is cut through with a circular saw, and then substantially immediately after the cutting, the tree is clasped by a grapple means. The apparatus for cutting the tree may include an offset exposed arc of the circular saw, and by mounting the apparatus on a swingable boom, it is possible to cut the tree in a scything or scythe-swinging action.

Abstract: A method and apparatus for severing trees and other similar objects extending at least partially above and at least partially below the surface of the ground. A frame member which is mountable on a vehicle is moved in a substantially horizontal plane above the surface of the ground. A pair of circular cutting disks having sharpened peripheral edges are rotatably mounted on the frame laterally spaced from each other. The disks are arranged such that the imaginary planes formed by the sharpened edges of the disks are inclined from the surface of the ground and intersect at a point below the surface of the ground, such that the inclined planes have opposite slopes and such that the sharpened edge of one of the disks is substantially adjacent the sharpened edge of the other disk.

Abstract: Machine including a powered truck-like vehicle having a support base at the rear end and an apparatus for cutting a drive-in passage across a concrete curbstone, a sidewalk or the like. The apparatus is mounted on the base and essentially comprises two spaced parallel booms mounted at one end on the base and an elongated bridge structure extending between and perpendicularly to the booms, being connected to them and provided with a drive so that it can be displaced along the booms with respect to the support base of the vehicle. The booms and bridge structure are pivoted from an inoperative position where the bridge structure is above the support base to an operative position where the booms and bridge structure are swung outwardly of the support base in a position for cutting the curbstone, sidewalk or the like.

Abstract: A tree-trimming apparatus mounted on a mobile support vehicle. The apparatus includes a telescoping boom pivotally mounted on a pedestal. The pedestal is pivotally mounted to a turntable which is rotatably mounted on the support vehicle. An operator's station is mounted on the pedestal to provide control of the apparatus. A large diameter circular saw is mounted at the end of the boom and is powered by a high speed hydraulic motor to provide high cutting efficiency. A fiberglass boom and electrically non-conductive hoses provide maximum safety for the operator.

Abstract: Described herein is a vehicle-mounted tree harvesting machine. The tree harvesting machine includes a shear which cuts the trees and is arranged so that its cutting motion tends to direct the trees to fall by gravity into a bunching means in alignment with the shear. Once in the bunching means the cut trees are held there by a cantilevered bar. The harvesting vehicle then can move from cutting site to cutting site dragging the cut trees behind it. When the bunching means is full the cantilevered bar can be opened and the vehicle moved forward leaving the cut trees behind in a neat bunch.

Abstract: The invention comprises an improved cordwood cutting saw accessory for small garden tractors. The saw frame is proportioned and constructed to provide a safely operable saw attachment without the need for auxiliary stabilizing supports and level ground upon which to park the tractor and operate the saw.The saw frame is cantilevered from the front of the garden tractor the minimum horizontal distance necessary to support a circular saw blade and shaft adjacent the top of the tractor cowl. The elevation of the saw is substantially between the waist and shoulders of the saw user. The vertical height of the saw frame is equal or greater than the horizontal cantilevered length of the saw frame and two or more times the height from the ground of the cantilevered attachment to the tractor.

Abstract: A portable apparatus that can be wheeled to a pallet supported by a conveyor for selective removal of nails that interconnect the stringers with the deckboards. The portable apparatus has a platform that is moveable in a vertical direction to position the cutting means at the juncture of the stringer with the deckboards. Such apparatus has a pair of pivotal cutting means that are moveable toward each other into intermeshing contact to shear nails.

Abstract: A substantially planar base plate has a notch therein of a size suitable for receiving tree trunks. The notch has a first and second side, each side being opposite the other. A substantially planar blade has a convex, arc-shaped cutting edge, and is pivotally attached for swinging across the top surface of the plate from the first side of the notch toward the second side so as to slice through a trunk received within the notch. A pair of underbeveled surfaces are located adjacent the notch's second side for undercutting a trunk with respect to the blade so that the trunk leans in the direction of blade swinging during slicing. An hydraulic ram connected to the blade swings it at a preselected slice rate chosen to cause, during slicing, a blade travel speed which has a predetermined relationship to the rate of trunk leaning.

Abstract: An elongated infeed frame supporting a debarking unit has a trailer-like structure so that it is readily portable and can be transported into a logging or debarking area. An off-bearing frame is also portable for easy transportation to the area. Each of the infeed and off-bearing frames has structure providing side loading and unloading, respectively, so as to be worked in a minimum area. Also, each of the two frames has outriggers for selectively supporting them on uneven ground and at desired planes and at desired angles relative to each other. Hold-down and guiding mechanism are provided for efficiently directing the logs into and out of the debarking unit.

Abstract: A concrete curb cutter includes a motor mounted on a base for supplying power to a concrete cutting blade. A first means is provided for moving the base and the blade along a longitudinal axis of a support. A second means provides adjustment of the vertical height of the blade. A third means enables the vertical angle of the blade to be adjusted. A fourth means provides adjustment of the horizontal angle of the blade.

Abstract: Sawing apparatus mountable to the side of a tractor and having a boom which extends outwardly from the tractor. The boom carries a motor driven circular saw which is movable along the length of the boom for making a saw cut in a vertical plane parallel to the boom. The apparatus is arranged for movement of the boom, both vertically as well as horizontally in the front to rear direction of the tractor. The angle of the boom to the horizontal is also variable. The boom may be swung over a range of positions about a generally vertical axis and to a position at which it extends in the front to rear direction of the tractor.

Abstract: A device for cutting out and transporting a silage block, comprising a main frame which may be connected to a tractor and which comprises an at least approximately horizontal cross-beam, which carries a plurality of parallel tines and to which an upstanding main frame part is connected, which supports near its upper end an at least approximately horizontal frame member, along which a drive housing may be reciprocated. A sawing or cutting means is guided in this drive housing for upward and downward movement. The upstanding main frame part further supports a pressure frame underneath said frame member which extends near the track of the sawing or cutting means and which may be displaced by actuating means. The pressure frame comprises a plurality of pressure frame parts which are displaceable with respect to each other.

Abstract: Apparatus for cutting a tire into segmented pieces utilizes an even multiple of pairs of shear-cutting blades actuated by a hydraulic cylinder ram. The pairs of blades are arranged in radial symmetry, and each pair of blades comprises an upper blade and a lower blade, both of which have a cutting edge defined thereon, such that each pair of blades operates by action of opposed cutting edges. The lower blade of each pair is affixed to a frame, which may be trailer-mounted for mobility. The upper blade of each pair is affixed to a carriage movable on a track secured to the frame, and oriented with the cutting edge disposed at an acute angle relative to the cutting edge of the lower blade. Diametrically opposing upper blades are disposed at corresponding angles, and adjacent upper blades are disposed at different angles from one to the other.

Abstract: A device for cutting out and transporting a silage block, comprising a main frame which may be connected to a tractor and which comprises an at least approximately horizontal cross-beam, which carries a plurality of parallel tines and to which an upstanding main frame part is connected. This upstanding main frame part supports near its upper end an at least approximately horizontal frame member, which forms an approximately U-shaped guide along which a drive housing may be reciprocated. A sawing means is guided in this drive housing for upward and downward movement. In both corners of the frame member which are remote from the upstanding main frame part the sawing means is rotatable over at least approximately 90.degree. about an axis of rotation which is at least approximately stationary during this rotating motion and which extends at a distance from the longitudinal center line of the sawing means which is smaller than the width of the sawing means.

Abstract: A one man operable, mobile, field usable log cutting device is provided for quickly and easily loading, handling and transversely cutting of heavy logs to yield finished log segments or discs. The device includes a rotatable, powered saw blade along with an elevated, shiftable, log support for manually moving a supported log into a saw blade for cutting purposes. A manually operable, pivotal, knee-action log advancer is also provided for selective lifting and axial shifting of a log towards a limit stop for determining disc thickness. As disc-like log segments are successively cut, they fall by gravity towards an underlying conveyor for transporting the segments away from the device; conveyor damage from falling segments is prevented through use of a pivotal, spring cushioned, basket-like log segment catcher disposed below the saw blade which engages the falling log segments, turns the same and safely deposits the segments onto the conveyor.

Abstract: Apparatus is provided for removing coils of scrap wire or cable (103) from about a reel (100) comprised of an array of juxtaposed cutting blades (50-53) and apparatus (60-63, 54-57) for reciprocally driving each of the blades independently along a different path in a group of mutually juxtaposed paths. Apparatus (16) is also provided for supporting the reel with the reel flanges straddling a portion of the group of paths.

Abstract: A tie adz for cutting a section from a railroad tie adjacent a tie plate, with the tie plate still in association with the tie and preparatory to regauging the rails. The tie adz has a frame with rail-engaging wheels supportable on a rail and with an outrigger extending to the spaced parallel rail. The cutter head is mounted on the frame for pivotal movement about a vertical axis to position the cutter carried thereby at a desired distance from the inner edge of a tie plate and with the location of the cutter head being established by a gauge member. The cutter head is locked in position and has a longitudinally movable driven spindle carrying the cutter which is movable lengthwise of the cutter head to place the cutter at a cutting depth relative to the tie whereby advance of the frame along the rail moves the cutter through the tie and cuts the section from the tie.

Abstract: The application discloses an apparatus and method for selectively cutting trees on plantations, such as might be done for thinning or stocking control. The apparatus may be drawn by a wheeled or tracked prime mover. It comprises an outwardly biasable primary arm mounted on a supporting frame. The distal end of this arm bears a guide means that serves to assist in moving it past those trees that are not to be removed in a manner that prevents injury to the tree. The guide means also acts as a guard for a tree-severing means. When a tree is to be removed the severing means is moved forward in the direction of travel so that it contacts the tree before the guide means. Otherwise, the severing means is prevented from contacting the tree by the guide means. The severing means may be manually deployed or it can be controlled by a simple logic system into which travel speed and take/leave decisions are made. The device is normally used in plantations in which trees have been planted in approximate rows.

Abstract: A traveling tool carrier is provided for severing the heads of railway spikes to facilitate the removal or replacement of the rails from the railway ties and bed. The traveling tool carrier includes a platform that is mounted for rolling engagement on the rails and has a saw support assembly mounted thereon in suspended relation. A saw that is formed as part of the saw support assembly is operated to engage and sever the heads of the railway spikes to provide for the convenient removal and replacement of the rails. The saw support assembly is both horizontally and vertically adjustable on the platform to locate the saw in the required position for severing the spike heads.

Abstract: An apparatus for excavating and transplanting trees includes a plurality of blade assemblies mounted on the sides of a horizontal multi-sided frame for overlying and substantially surrounding an excavation site. Each blade assembly includes a housing within which a flanged blade and stem unit can be mounted for reciprocation to effect penetration of the excavation site, and a hydraulic cylinder and piston assembly detachably affixable to the stem for effecting reciprocation of the blade and stem unit. Within each housing are mounted a plurality of rollers engageable with opposite sides of the blade thereof, a pair of guide blocks adjacent opposite sides of the blade flange, and a pair of guide bars on opposite sides of the stem, all cooperable to guide and maintain the blade and stem unit in an established path during reciprocation.

Abstract: A feller head for a tree felling apparatus comprises a first forward projection adjacent a tree trunk receiving recess. A chain saw is mounted within the first projection and extends away from the first projection in the direction of the recess. A motor for powering the chain saw is operatively connected to the chain saw within the first projection. There is a mechanism for slidably moving the chain saw along a curved path within the projection. The path is convex in the direction of the recess.

Abstract: A thin, vertically oriented rectangular cutting blade having opposed vertical cutting edges and being reciprocated horizontally towards and away from opposite vertical stops, permits an end of a log to be inserted between given blade edges and stops during strokes in opposite directions, to sever the log into firewood length. Oppositely facing splitting wedges mounted to the blade just behind the cutting edges have their tapered splitting edges facing in the same direction as the blade edges for splitting the partially severed firewood length pieces into multiple sections prior to complete severance thereof from the log proper.

Abstract: A movable insulation puncher includes lancing elements which are used to define slots for receiving shear connectors in a multi-layer panel. The lancing elements are heated by gas burners and are moved along a panel on a carriage, and toward a panel by a crank assembly. Return to a neutral position of the lancing elements is spring assisted, and the carriage can be used to store tools, or to support a workman.

Abstract: A portable workstand for power tools and the like which is convertible from a tool utilization condition to a portable condition wherein a wheel and a pair of handles extend therefrom for wheelbarrow-like portability. The handles are connected to the wheel in an arrangement such that pivotal movement of the handles from unextended and depending positions to their extended positions moves the wheel from a retracted position within a cavity in the stand to its extended position. A hand brake for the wheel is provided and provision is also made for releasably retaining the handles in their extended positions against inadvertent movement therefrom.

Abstract: Apparatus for cutting straps wound on a bale of material in which the bale of material is brought into contact with a cutter blade which is forcibly retracted against the action of a spring whereafter the cutter element is released under the pressure of the compressed spring and is thrust forwardly against the bale to cut the straps on the bale.

Abstract: A portable sawmill including a log positioning section, a log sawing section and a drive for the log positioning section and the log sawing section; the log positioning section including a supporting frame with an inclined face and a conveyor disposed along the inclined face; the log sawing section including a substantially flat log bed, a first conveyor for moving logs along the bed, a first saw assembly including at least two saw blades rotatably mounted on a common horizontal drive shaft disposed below the log bed, means for adjusting the spacing between the saw blades, at least two vertically disposed guides positioned adjacent the delivery area of the saw blades, and means for adjusting the spacing between the guides, a second saw assembly including a plurality of saw blades rotatably mounted on a common vertical drive shaft disposed adjacent to the log bed, a second conveyor located adjacent the delivery area of the plurality of saw blades, and the drive including controls for independently actuating th

Abstract: A machine for cutting logs into lengths and then splitting the logs, the entire machine being portable. A common power source is provided for the circular saw and the log splitter, and the sawing and splitting operations can be performed independently of one another and either selectively or simultaneously. The machine includes a frame having the circular saw located adjacent one side of its top side and a slideable table feeds the logs into the saw. The log splitter is located on a large, rigid backbone of the machine frame and which also forms a tongue portion of the machine. The circular saw and the splitter are both hydraulically powered and controlled.

Abstract: Apparatus and method for cutting and feeding foliage material from a stack, the apparatus comprising a wheeled vehicle, for example a wagon pulled by a tractor, capable of being displaced along the ground, a tiltable bed thereon disposed in a parallel position between ground engaging wheels and a powered conveyor so that a stack of foliage may be loaded onto the bed from a position on the ground (or unloaded from the bed back to the ground) and also may be successively advanced along the conveyor bed to provide an overhang beneath and forward of a rotating angularly disposed variable cutter which travels horizontally and then vertically downward in a zig-zag pattern to successively cut slices of foliage from the overhang of the stack.

Abstract: A tree cutter mechanism adapted for mounting on a suitable vehicle includes a frame defining a U-shaped opening for embracing a standing tree, a rotating auger cutter slidably mounted on the frame for selective linear movement across the U-shaped opening to sever trees disposed therein, and a tree drive mechanism mounted on said frame for holding a standing tree for cutting by the auger cutter. A ribbed plate is provided behind the rotatable auger for sliding movement in concert therewith to prevent binding of the auger as it moves through the tree.

Abstract: A trailer mounted apparatus for preparing logs for fireplace usage which includes an assembly frame upon which a hydraulic ram is mounted in alignment with an elongate platform for receiving logs to be split. The ram is actuated to engage one side of the log and urge it into a composite log splitting wedge assembly mounted upon the frame. The wedge assembly includes a vertical wedge positioned coaxially with the ram and elongate platform as well as two transversely oriented horizontal wedges, the splitting edges of which are arranged at an acute angle with respect to the ram axis of splitting. The elongate platform is arranged to taper to a terminus located at the entrance to the composite wedge assembly. A receiving platform is positioned beneath both the elongate platform and the wedge assembly for collecting log segments as they are split. The trailer mounted assembly further incorporates a circular saw positioned upon a saw frame which is pivotally mounted upon an assembly frame.

Abstract: A framework mounted on a tractor has separate vertically adjustable feet to support it from the ground at a desired angle of tilt so that a circular saw, slidable on the frame and driven from the tractor, can be moved downwardly and forwardly to sever a tree along a slanting plane below ground level. The frame has a member engageable with a side of the tree to resist the tendency of the frame to move laterally due to reaction from the cutting load on the saw. A hydraulic motor advances the saw while the tractor remains stationary.

Abstract: An elongated frame including tree clamping jaw means at one end and a shear-type cutting blade supported from the frame for movement therealong between an inactive position remote from the jaw means and an active position cooperable with the jaw means to shear a tree member clampingly engaged by the jaw means, the frame being pivotally supported from the forward end of a mobile platform for pivotal movement about a horizontal axis extending transversely of the frame and the mobile platform and vertically adjustable relative to the latter.