Abstract: A cutting device capable of efficiently cutting an object with a simple configuration includes a grasp unit including a first grasper and a second grasper movable in an opening and closing directions to grasp the object, a cutting unit disposed side by side with the first and second graspers and moved in a cutting direction along the opening and closing directions to cut the object, and a position setter setting a cutting start position and a cutting end position based on respective positions of the first and second graspers that are grasping the object, respectively.

Abstract: Methods can comprise charging a first hydraulic device of a first hydraulic circuit with a first quantity of hydraulic fluid from a hydraulic fluid source. The methods can further comprise pressurizing a control segment and locking the first quantity of hydraulic fluid from exiting the first hydraulic circuit in response to hydraulic pressure within the control segment. The methods can also include unlocking the first quantity of hydraulic fluid to permit exiting of the first quantity of hydraulic fluid from the first hydraulic device in response to dropping the hydraulic pressure within the control segment after a delay. Hydraulic apparatus can comprise a normally open hydraulic pilot operated control valve that can be configured to hydraulically lock a first hydraulic device in response to a hydraulic pressure within a control segment rising to greater than or equal to an actuation pressure.

Abstract: The invention discloses a clamping-cutting-grasping multi-functional engineering attachment applying single-degree-of-freedom shape-shifting mechanism, with a symmetrical structure, including a clamping and cutting device, a grasping device, and a separating and deforming device, and further includes two hydraulic cylinders, one base, two separation bases, a driving hydraulic cylinder, hydraulic scissors, a grasping connecting rod, a grasping claw, a separating connecting rod, a base guide rod, a base slider, a separating slider, first connecting rod, second connecting rod and separation slider track groove. The invention uses a double slider mechanism to achieve the relative movement between the grasping device versus the clamping and shearing device, and also realizes a fast conversion from clamping and cutting device to the grasping device, all the work requirements being satisfied under each working state without motion interference.

Abstract: A cabin (12) of a mobile work machine (10) is adaptable to a frame of the work machine by means of an arrangement (1) which comprises longitudinal levelling means (2) for levelling the cabin in the direction of longitudinal tilting (A) of the work machine, and transverse levelling means (20) for levelling the cabin in the direction of sideward tilting (H),transverse in relation to the longitudinal direction (B) of the work machine, with respect to transverse pivoting axle (J). The transverse pivoting axle extends in a substantially orthogonal horizontal direction in relation to the longitudinal pivoting axle (C), and is adapted at a lower height than the longitudinal pivoting axle.

Abstract: A grappler for a utility implement for handling bales includes a pivot frame, at least one support arm coupled to the pivot frame, and a selectively movable cutting device. The grappler forms part of a utility implement along with a bucket such that the grappler is movable with respect to the bucket.

Abstract: A cutting head for a hydraulic power tool includes a first jaw that includes a first ear configured with a slot for receiving a corresponding ear. The second jaw includes a second ear with a third ear bore that aligns in between a first ear bore and to a second ear bore of the first ear when the second ear is coupled in the slot of the first ear. The cutting head further includes a spring-biased flange coupled to a blade mounted to the first jaw and a retained coupled at a fixed position to a blade mounted to the second jaw. The retainer is configured to receive the flange during a cutting action such that the flange prevents the blades from shifting out of alignment during the cutting action.

Abstract: A grapple for mounting to a boom of a boom crane includes a body member for mounting to the end of a boom of a boom crane including a first wing member and a second wing member and opposing first and second jaw members. Each jaw is hingably coupled to the body member, and hinges with respect to the body member by the action of a hydraulic cylinder. A first end of the hydraulic cylinder is coupled to the jaw member and a second end of the hydraulic cylinder is coupled to a portion of one of the wing members. The first and second wing members extend to position the second end of each hydraulic cylinder rearward of an end of the boom of the boom crane or a coupling between the body member and the boom of the boom crane.

Abstract: A tool cartridge for accommodating tool parts of a multi-part processing tool having a stamp and a die for processing of plate-shaped workpieces is provided. The tool cartridge includes a cartridge base body, a stamp holder for detachably holding a tool part configured as a processing stamp and a die holder for detachably holding a tool part configured as a processing die. The stamp holder includes two cartridge arms pivotable to one another which respectively include a pin for supporting the respective cartridge arm in a pivotable manner. The cartridge base body includes two orifices related to the pins for accommodating the pins in a rotatable manner.

Abstract: A magnetic measurement device has a magnetic sensor including a glass cell having alkali metal gas encapsulated therein that is configured to detect a magnetic field using a magneto-optical characteristic of spin-polarized alkali metal. A laser light source is configured to generate pump light introduced into the magnetic sensor and a coil provided in the same magnetically shielded space as the magnetic sensor is configured to apply a static magnetic field and a RF magnetic field to the magnetic sensor. A signal processor is configured to perform lock-in detection of a light detection signal transmitted through the glass cell of the magnetic sensor, control an intensity of the static magnetic field and a frequency of the RF magnetic field generated by the coil according to a lock-in detection output, and obtain a measurement signal reflecting a magnetic field intensity of an object to be measured in the magnetically shielded space.

Abstract: A shearing implement for use with an excavator has a thumb having a grasping side and a cutting side and being pivotably attachable to the boom. A shearing blade member is pivotably attached to the cutting side of the thumb. A linear actuator has a first end attached to the shearing blade member and a second end attachable to the boom or the thumb so that extension and retraction of the linear actuator causes the shearing blade member to rotate relative to the thumb.

Abstract: A base assembly for a working machine. The base assembly comprising a ground engaging structure, an undercarriage connected to the ground engaging structure, and a connector for connecting the undercarriage to a superstructure that mounts a working arm. A drive arrangement is provided for moving the ground engaging structure to propel, in use, the base assembly and a connected superstructure. The drive arrangement includes a prime mover and a transmission and the drive arrangement is housed within the undercarriage. An electronic control unit (ECU) is provided for controlling the drive arrangement and/or the ground engaging structure.

Abstract: A work machine to cut timber including a control system, a felling head, a hydraulic motor configured to adjust the position of the felling head, and a spool valve operatively connected to the hydraulic motor, the spool valve being configured to move the felling head responsively through operation of the hydraulic motor. A machine controller coupled to the operator controller and the spool valve executes stored program instructions to generate a first control signal responsive to an operator control signal provided by the operator controller, generate a second control signal as a function of the generated first control signal, adjust a position of the spool of the spool valve in response to a concurrent receipt of the first control signal and the second control signal by the first proportional control valve and the second proportional control valve to move the felling head through operation of the hydraulic motor.

Abstract: A tree limb cutting device for trimming tree limbs includes a cutting head that comprises a housing that has a hook coupled to and extending from a top. A blade is positioned in pair of opposing channels positioned in an internal wall of the housing. The blade has a cutting edge and an impact end. An actuator, coupled to and positioned in the housing, is operationally coupled a driver that comprises a shaft which has a striking end and a stopping end. A blade return is operationally coupled to the blade and the driver. A driver return is coupled to the stopping end and the actuator. An extension rod has a first end a second end. The first end is coupled to the housing. A power module, operationally coupled to the actuator through a power line, is coupled to the second end.

Abstract: Stabilization of an injection locked optical frequency comb is achieved through polarization spectroscopy of an active laser cavity, eliminating optical PM sidebands inherent in previous stabilization methods. Optical SNR of 35 dB is achieved. A monolithic AlInGaAs quantum well Fabry-Prot laser injection locked to a passively mode-locked monolithic laser is presented here. The FP laser cavity can be used as a true linear interferometric intensity modulator for pulsed light.

Abstract: A tree processing head for processing a tree element. The tree processing head includes: a body; a scissor assembly mounted to the body and a chainsaw assembly also mounted to the body. The scissor and chainsaw assemblies are selectively usable individually or cooperatively to process the tree element.

Abstract: A cutting device for cutting a material grappled by a grapple member of a grapple device is mounted on one side wall portion of a bucket which is pivotable vertically with respect to an arm swung vertically and is rotatable on an axis in an extension direction of the arm. The cutting device includes a cutting blade which is positioned outside or inside a side wall of the bucket and is pivotally supported on a base end portion of the open mouth portion of the bucket to be pivoted in a direction along the side wall from a position separated from an opening edge of the bucket to a position along the side wall of the bucket. A hydraulic cylinder is provided on a rear surface portion of the bucket and is connected to a pivoting base portion of the blade.

Abstract: 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.

Abstract: A shear type tree cutter assembly is adapted to be mounted on a four wheel field vehicle. The assembly includes an anvil with a concave section for supporting the trunk of a tree. The blade portion has a convex portion that cooperates with the concave section of the anvil to shear the tree. The blade and anvil section also may include a straight portion useful for pruning brush and small limbs.

Abstract: A ground engaging work vehicle including a frame, a plurality of tractive elements, a movable extension, a hydraulic fluid using attachment, a hydraulic fluid pump and an accumulator. The plurality of tractive elements are coupled to the frame. The tractive elements engage the ground. The movable extension is connected to the frame. The hydraulic fluid using attachment is coupled to the movable extension. The hydraulic fluid pump is selectively fluidly coupled to the attachment. The accumulator is selectively fluidly coupled to the attachment dependent upon at least one fluid flow requirement of the attachment.

Abstract: A tree processing head for processing a tree element. The tree processing head includes: a body; a scissor assembly mounted to the body and a chainsaw assembly also mounted to the body. The scissor and chainsaw assemblies are selectively usable individually or cooperatively to process the tree element.

Abstract: The invention is directed to a shear device. The shear device comprises two mounting plates that form a first cutting member that is pivotally coupled to a second cutting member to facilitate moving the shear device between open and closed positions. The shear device further includes an extension arm extending from the mounting plates and pivotally connected to a rocker linkage device. An actuator is coupled to the first cutting member. The actuator has a piston slideably engaged in a cylinder, which is coupled to the rocker linkage device. The rocker linkage device is configured to pivot about the extension arm as the piston extends from the cylinder and to transfer force from the piston to a secondary linkage bar. The secondary linkage bar is configured to further transfer force to the second cutting member.

Abstract: A shear type tree cutter assembly is adapted to be mounted on a four wheel field vehicle. The assembly includes an anvil with a concave section for supporting the trunk of a tree. The blade portion has a convex portion that cooperates with the concave section of the anvil to shear the tree. The blade and anvil section also may include a straight portion useful for pruning brush and small limbs.

Abstract: A shear attachment is presented for use with different types of motorized vehicles and is generally provided with an upper cutting jaw, a lower receiving jaw and a plurality of teeth along the upper surface of the lower jaw to grip an object while it is being cut between the upper and lower jaws. A single actuator may be used to move the cutting jaw between open and closed positions. The shear may be pivoted about a horizontal axis with respect to its mounting bracket to facilitate cutting at different angles. The shear is removably coupled to the vehicle using a universal hitch. The efficient design of the shear makes it durable, inexpensive to manufacture and easy to operate.

Abstract: A timber-working head comprises a first motor, a second motor, a feed wheel, and an adaptor plate. The first motor comprises a first rotary output element. The second motor comprises a second rotary output element. The feed wheel is fixed to the first rotary output element for rotation therewith. The adaptor plate fixed to the second rotary output element for rotation therewith. The adaptor plate comprises radial projections arranged about the periphery of the adaptor plate and received respectively within corresponding axially recessed portions of the feed wheel so as to provide an operational interface between the adaptor plate and the feed wheel.

Abstract: A tree pruner includes a rod and a fixed part is fixed to the rod and an arm has a first end pivotably connected to the fixed part. A spring is connected between the fixed part and a second end of the arm. A movable part has an end fixed to the arm and a mediate portion of the movable part is pivotably connected to the fixed part. A positioning seat is movably positioned on the rod and a stationary pulley is connected to the positioning seat. A movable pulley is connected to the arm and a rope reeves through the stationary pulley and the movable pulley. When pulling the rope, the arm is pivoted to move the movable part toward the fixed part to prune branches when the arm is pivoted.

Abstract: A tree and brush cutter is attached to a dipper stick of an excavator or backhoe to be operated by a curl cylinder on the dipper stick. Blades on the cutter face the boom side of the dipper stick where an operator can observe their opening and closing. A link system on the cutter transmits an advancing motion of the curl cylinder into a cutting motion of the blades and a retraction motion of the curl cylinder to opening of the blades.

Abstract: The invention is directed to a shear device. The shear device comprises two mounting plates that form a first cutting member that is pivotally coupled to a second cutting member to facilitate moving the shear device between open and closed positions. The shear device further includes an extension arm extending from the mounting plates and pivotally connected to a rocker linkage device. An actuator is coupled to the first cutting member. The actuator has a piston slideably engaged in a cylinder, which is coupled to the rocker linkage device. The rocker linkage device is configured to pivot about the extension arm as the piston extends from the cylinder and to transfer force from the piston to a secondary linkage bar. The secondary linkage bar is configured to further transfer force to the second cutting member.

Abstract: A vehicle-mounted cutting tool is disclosed. The tool broadly includes a supporting member mounted to a vehicle, a pivotable member pivotally coupled with the supporting member, and a slidable member slidably coupled with the supporting member. Contact with an object, such as a tree, and motion of the vehicle causes the slidable member to slide. Sliding of the slidable member causes the pivotable member to pivot such that it crosses at least a portion of the slidable member to cut the object.

Abstract: A tree shear for use with a prime mover such as a skid-steer loader wherein the tree shear includes a pair of tree shear blades, having forward and rearward ends, which are secured to the forward end of a tree shear frame in a non-movable and fixed manner. The blades define a V-shaped opening therebetween for receiving a tree therebetween. The V-shaped opening decreases in width from the forward end of the blades to the rearward end of the blades. The trees are sheared by moving the prime mover so that the tree is received between the tree shear blades with the continued forward movement of the prime mover causing the tree to be sheared and received within a grapple arm assembly.

Abstract: The present invention is a vegetation cutting apparatus for connection to an all terrain vehicle. A frame attaches to the front grill of the all terrain vehicle. Specifically, a first frame member attaches to the front grill while a second frame member, which extends forward relative to the all terrain vehicle, attaches to the first frame member. A shear attaches to the forward end of the second frame member. A hydraulic system actuates the shear to perform the cutting of vegetation.

Abstract: An accumulator arm for a felling head has inner and outer arms which are hydraulically driven open and closed. The inner and outer sides of the outer arm are curved away from an accumulation pocket and toward a harvesting arm, wherein the accumulator arm can be pulled around a newly cut tree to add the tree to the accumulation pocket with a lesser amount of hydraulic force and with lesser damage to the trees.

Abstract: An apparatus for cutting wooden piles underwater and a method of use are disclosed. The apparatus has a frame and brace configured for engaging a pile. A pressure medium activated cutting device is connected to the frame and oriented at an angle such that a pile can be cut at a point below the bottom surface. The frame and brace are placed on opposite sides of the pile and connected to each other with a chain or cable. The apparatus has lines attached thereto and the other ends of the lines are attached to a boat or other flotation device. Using the disclosed apparatus to remove pilings causes significantly less turbidity than devices or methods currently available. Additionally, using the disclosed device also eliminates the need to decontaminate silt removed from the water using the currently available methods or devices.

Abstract: A tree cutter in combination with a self-propelled vehicle is disclosed for cutting underbrush and small free standing trees, such as, Cedar. The tree cutter is pivotally mounted at the front of the self-propelled vehicle, such as, a Four Wheeler in order to pivot upon a horizontal axis. The tree cutter provides a frame assembly that includes a discrete pair of triangular straight edge blades followed by a pair of circular blades that rotate in opposite directions caused by contact with the inner core the tree. The blade pairs are adjacent, oppositely disposed, and selectivly spaced apart as included in the frame assembly. The blade pairs act in synergy as they are driven into the tree by the vehicle, wherein the straight blades are suited for slicing into the soft outer vascular core of the tree, thereafter shearing force of the rotating blades is applied to the harder sapwood and heartwood that are engaged between the rotating blades.

Abstract: A tree cutter in combination with a self-propelled vehicle is disclosed for cutting underbrush and small free standing trees, such as, Cedar. The tree cutter is pivotally mounted at the front of the self-propelled vehicle, such as, a Four Wheeler in order to pivot upon a horizontal axis. The tree cutter provides a frame assembly that includes a discrete pair of triangular straight edge blades followed by a pair of circular blades that rotate in opposite directions caused by contact with the inner core the tree. The blade pairs are adjacent, oppositely disposed, and selectivly spaced apart as included in the frame assembly.

Abstract: The wood gathering and compaction vehicle comprises a vehicle frame movable over ground, a storage bin removably installed on the vehicle frame, with the storage bin having an inlet opening and an outlet opening. The vehicle further comprises a releasable bin attachment device for releasably attaching the storage bin to the vehicle frame, and a compactor fixedly installed on the vehicle frame, the compactor having an inner chamber, an opened inlet port for allowing wood to be inserted into the compactor inner chamber, an outlet port communicating with the storage bin inlet opening when the storage bin is installed on the vehicle frame, and a compaction device for allowing wood located in the compactor inner chamber to be forcibly moved from the compactor inner chamber into the storage bin through the compactor outlet port and the storage bin inlet opening.

Abstract: A tree shear attachment is, in one preferred embodiment, designed to replace the shovel at the outermost end of the boom assembly of a backhoe to provide remarkable maneuverability and an extensive range of motion for the shear. One of the severing jaws is fixed, presenting a stationary anvil, while the other is moveable and is provided with a shear blade that moves into engagement with the stationary anvil to complete the severance. Retainers at the forwardmost ends of the jaws help grip and stabilize the butt end of the tree following severance. An upstanding stabilizing rack on the frame of the shear has a pair of laterally spaced, forwardly projecting arms that generally overlie the two jaws to embrace and stabilize upper portions of the tree during and after severance.

Abstract: A tree shear attachment is, in one preferred embodiment, designed to replace the shovel at the outermost end of the boom assembly of a backhoe to provide remarkable maneuverability and an extensive range of motion for the shear. One of the severing jaws is fixed, presenting a stationary anvil, while the other is moveable and is provided with a shear blade that moves into engagement with the stationary anvil to complete the severance. Retainers at the forward most ends of the jaws help grip and stabilize the butt end of the tree following severance. An upstanding stabilizing rack on the frame of the shear has a pair of laterally spaced, forwardly projecting arms that generally overlie the two jaws to embrace and stabilize upper portions of the tree during and after severance.

Abstract: A cutting attachment is adapted to be mounted onto a vehicle, such as a skid steer loader, and includes a frame that is generally “V” shaped with diverging walls and open in direction of travel. The diverging walls of the frame support upright shafts. Each of the shafts has a rotating disk on the lower end thereof that has a circular cutting edge. The disks are preferably co-planar and closely adjacent to each other along a center longitudinal axis of the frame, and are not powered. When the disks are moved against standing vegetation with stalks or trunks, they rotate and sever the vegetation. Additionally, a lift plate is provided on the trailing side of the disks so after severing the vegetation the lift plate lifts the trunks of trees or stalks or the like upwardly from the disks. The lift plate is inclined to tend to cause the trees to tilt outwardly. Support arms can be closed to hold the cut tree or other vegetation in the frame until the arms are released.

Abstract: A tree harvester, arranged on the movable arm of a forestry vehicle includes a cutting tool having pivotable claws with releaseable locking elements for relative, mechanical locking of the claws in an inwardly pivoted position, and a longitudinally adjustable arm, interconnected between the gripping claws of the cutting elements for simultaneous pivoting of the claws outwardly and inwardly, respectively. The arm is adapted to admit, on desire, the first claw independently to be pivoted relative to the second claw, wherein the outside of the first claw includes teeth adapted for engagement with a stud, arranged in the point end of the second claw, the geometry of the claws and the length of the interconnected arm are chosen such that the point end of the first claw moves inwardly of the point end of the second claw in the simultaneous pivoting motion.