Abrégé

A sensor mount, a sensor assembly and method of manufacturing same are disclosed, for use with a timber-working device. The sensor mount includes a monolithic structure having a base portion configured to be secured to a frame of a timber-working device, and a sensor mounting portion including a cavity configured to receive a contactless sensor. The cavity has a sensor mounting surface for securing the contactless sensor thereto.

Classes IPC  ?

• A01G 23/02 - Transplantation, déracinage, abattage ou ébranchage des arbres
• A01G 23/06 - Déracinage ou arrachage d'arbresExtraction ou élimination de souches
• A01G 23/08 - Abattage d'arbres
• E02F 9/26 - Dispositifs indicateurs
• B27G 19/00 - Protecteurs ou dispositifs de sécurité adaptés aux scies à boisDispositifs auxiliaires facilitant une bonne utilisation des scies à bois
• B27G 21/00 - Protecteurs ou dispositifs de sécurité spécialement conçus pour les autres machines à travailler le bois

Abrégé

A saw apparatus and a timber-working device are provided. The saw apparatus includes a guide bar, a chain driver, and an endless cutting chain trained about the guide bar and the chain driver. The guide bar includes a first chain retention feature along at least a portion of its periphery, and the cutting chain includes a second chain retention feature configured to interact with the first chain retention feature such that movement of the second chain retention feature away from the guide bar is restricted. The timber-working device includes a frame, at least one pair of arms pivotally attached to the frame and configured to be controlled to grasp at least one tree, and the saw apparatus mounted to the frame.

Classes IPC  ?

• A01G 23/083 - Abatteuses-ébrancheuses
• B27B 33/14 - Chaînes coupantes
• B27G 19/00 - Protecteurs ou dispositifs de sécurité adaptés aux scies à boisDispositifs auxiliaires facilitant une bonne utilisation des scies à bois

Abrégé

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.

Classes IPC  ?

• A01G 23/02 - Transplantation, déracinage, abattage ou ébranchage des arbres
• A01G 23/00 - Sylviculture
• A01G 23/083 - Abatteuses-ébrancheuses

Abrégé

A timber-working device (16), including a pair of pivoting delimb arms (26a, 26b), and a pair of pivoting drive arms (28a, 28b). The timber- working device (16) includes a first angular position sensor (112) configured to output a signal indicating an angular position of at least one of the delimb arms (26a, 26b), and a second angular position sensor (114) configured to output a signal indicating an angular position of at least one of the drive arms (28a, 28b). At least one controller (102,104) is configured to receive the signals indicating the respective angular positions of the delimb arm (26) and the drive arm (28), and correlate the angular position of the delimb arm (26) with the angular position of the drive arm (28) to determine the number of stems currently grasped by the timber-working device (16).

Classes IPC  ?

• A01G 23/083 - Abatteuses-ébrancheuses

Abrégé

A timber-working device, including a frame (24) having a feed axis (34), and a drive system configured to position a first stem (300) on a first side of the feed axis (34), and a second stem (302) on a second side of the feed axis (34). The timber-working device includes a first end sensor (42) having a first sensing region extending into the first side of the feed axis (34), and configured to output a signal indicative of the presence of an end of the first stem (300) within the first sensing region. The timber-working device includes a second end sensor (42) having a second sensing region extending into the second side of the feed axis (34), and configured to output a signal indicative of the presence of an end of the second stem (302) within the second sensing region.

Classes IPC  ?

• A01G 23/083 - Abatteuses-ébrancheuses
• A01G 23/093 - Combinaisons d'appareils de cisaillement, de sciage ou de fraisage spécialement adaptées pour abattre des arbres
• B27B 25/00 - Dispositifs d'alimentation en bois dans les scieries ou les machines à scierDispositifs d'alimentation en arbres

Abrégé

A timber-working device (16) includes a frame (24) having a feed axis (34), a cutting device (38), and a drive system operable to control the position of at least two stems (300,302) along the feed axis (34). The timber-working device (16) includes a controller (102,104) configured to receive an indication of one of the at least two stems (300,302) having a damaged end, and control the drive system to feed only the stem (300,302) with the damaged end relative to the cutting device by a predetermined distance.

Classes IPC  ?

• A01G 23/083 - Abatteuses-ébrancheuses
• A01G 23/093 - Combinaisons d'appareils de cisaillement, de sciage ou de fraisage spécialement adaptées pour abattre des arbres

Abrégé

A timber-working device (16) has pivoting arms (26,28) configured to grasp one (300) or more stems (302,304) to be processed, and a cutting device (38). A measurement device is configured to output a signal indicating a stem thickness measurement of the stem(s) (300,302,304) currently grasped by the pivoting arms (26,28), wherein the stem thickness measurement is dependent on the number of stems grasped. A stem count device is configured to output a signal indicating the number of stems currently grasped by the pivoting arms. The timber-working device (16) includes at least one controller (102,104) configured to receive the signal indicating the stem thickness measurement and the signal indicating the number of stems currently grasped by the pivoting arms (26,28), and determine the travel required of the cutting device (38) to sever the at least one stem, based at least in part on the indication of stem thickness measurement, and indication of the number of stems.

Classes IPC  ?

• A01G 23/083 - Abatteuses-ébrancheuses
• A01G 23/091 - Appareils de sciage spécialement adaptés pour abattre des arbres

Abrégé

A timber-working device (16) including a frame (24) having a feed axis (34), and a drive system configured to feed at least one stem (300, 302) being processed by the timber-working device (16) along the feed axis (34). The timber-working device (16) includes a controller (102, 104) configured to receive a selection of a stem from at least two stems being processed by the timber-working device (16), and control the drive system to drive the selected stem out of the timber-working device (16).

Classes IPC  ?

• A01G 23/083 - Abatteuses-ébrancheuses
• A01G 23/093 - Combinaisons d'appareils de cisaillement, de sciage ou de fraisage spécialement adaptées pour abattre des arbres

Abrégé

A timber-working device having a first pivoting drive arm and a second pivoting drive arm, and a timing link for connecting them. The timing link includes an elongate member having a first end and a second end. A first aperture is at the first end and a second aperture at the second end. At least one of the first aperture and the second aperture is elongate along the length of the member.

Classes IPC  ?

• A01G 23/00 - Sylviculture

Abrégé

A saw apparatus (10) is provided, in which a chain support (36) attached movably to a mount (62) for movement relative thereto. An endless cutting chain (34) is trained about the chain support (36) and a chain driver (38), with a chain tensioner (90) urging the chain support (36) to move relative to the mount (62) to tension the chain (34), and a sensor (102) positioned to sense a position of the chain support (36) relative to the mount (62).

Classes IPC  ?

• A01G 23/091 - Appareils de sciage spécialement adaptés pour abattre des arbres
• B27B 17/14 - Systèmes pour tendre la chaîne

Abrégé

A timber-working head, and more particularly a timber-working head having a drive wheel arm is provided. The head has a frame, and a drive wheel arm pivotally coupled to the frame. The arm includes a rotary drive, a rotary union between the frame and the rotary drive. The rotary union includes a pivot sleeve to which the rotary drive is mounted. The pivot sleeve has an internal bore and an outer surface, with at least one first port between the bore and the outer surface. A shaft is positioned in the bore, with at least one fluid passage having a second port in fluid communication with the first port.

Classes IPC  ?

• A01G 23/083 - Abatteuses-ébrancheuses

Abrégé

The invention relates to a forestry work machine, a timber-working implement, and a rotator for connecting the timber working implement to a boom of the forestry work machine. The rotator includes a body having a first part and a second part configured to be connected to an end of the boom and the implement respectively, wherein the first part includes a housing. The rotator further includes a pivotal connection and a rotary electrical interface between the first part and the second part. A junction enclosure is located within the housing, configured to receive an electrical cable extending from the boom. An electrical connector is positioned within the junction enclosure, wherein the connector is electrically connected to the rotary electrical interface and is configured to be releasably connected to the electrical cable, and wherein the junction enclosure is configured to contain at least one loop of the cable.

Classes IPC  ?

• A01G 23/00 - Sylviculture
• B66C 13/12 - Aménagements des moyens pour transmettre une puissance pneumatique, hydraulique ou électrique à des parties ou dispositifs mobiles

Abrégé

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.

Classes IPC  ?

• A01G 23/08 - Abattage d'arbres
• A01G 23/083 - Abatteuses-ébrancheuses

Abrégé

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.

Classes IPC  ?

• A01G 23/02 - Transplantation, déracinage, abattage ou ébranchage des arbres
• A01G 23/095 - Ébrancheuses

Abrégé

A timber-working head is configured to hold a felled tree and to feed the felled tree. The timber-working head comprises a frame and a delimb knife module mounted to the frame and configured to delimb the felled tree when the felled tree is fed past the delimb knife module. The delimb knife module has a central blade, a pivotable first side blade, and a pivotable second side blade.

Classes IPC  ?

• A01G 23/095 - Ébrancheuses
• A01G 23/083 - Abatteuses-ébrancheuses
• B27L 1/00 - Écorçage ou enlèvement des attaches de branches des arbres ou des billesMachines à cet effet

Abrégé

A timber-working head comprises a frame, first and second delimb arms pivotally coupled to the frame, and a single delimb cylinder operatively coupled to both the first delimb arm and the second delimb arm to pivot the first and second delimb arms relative to the frame to open and close them. The first and second delimb arms are otherwise operatively unconnected from one another allowing pivotal movement of each of the first and second delimb arms without corresponding pivotal movement of the other of the first and second delimb arms. The second delimb arm comprises a cam stop defining a variable closure point for the first delimb arm, and the first delimb arm is configured to pivot into closed engagement with the cam stop.

Classes IPC  ?

• A01G 23/095 - Ébrancheuses

Abrégé

A timber-working head comprises a frame, first and second delimb arms pivotally coupled to the frame, a delimb cylinder, and delimb cylinder hosing. A torso of the frame comprises a box enclosure, and a hosing channel extending through a cavity of the box enclosure. The delimb cylinder is mounted to both the first delimb arm and the second delimb arm and operable to pivot the first and second delimb arms relative to the frame to open and close them. The delimb cylinder is oriented in its longitudinal dimension laterally relative to the torso, and is positioned in front of and floatable laterally relative to the torso. The delimb cylinder hosing is routed from the delimb cylinder through the hosing channel. The hosing channel expands laterally relative to the torso as the hosing channel extends along its length forwardly through the box enclosure.

Classes IPC  ?

• A01G 23/095 - Ébrancheuses

Abrégé

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.

Classes IPC  ?

• A01G 23/00 - Sylviculture

Abrégé

A timber-working head comprises a frame, first and second delimb arms pivotally coupled to the frame, a delimb cylinder, and delimb cylinder hosing. A torso of the frame comprises a box enclosure and a hosing channel extending through a cavity of the box enclosure. The delimb cylinder is mounted to both the first delimb arm and the second delimb arm and operable to pivot the first and second delimb arms relative to the frame to open and close them. The delimb cylinder is oriented in its longitudinal dimension laterally relative to the torso, and is positioned in front of and floatable laterally relative to the torso. The delimb cylinder hosing is routed from the delimb cylinder through the hosing channel. The hosing channel expands laterally relative to the torso as the hosing channel extends along its length forwardly through the box enclosure.

Classes IPC  ?

• A01G 23/08 - Abattage d'arbres

Abrégé

A tree harvester head (12) comprises first and second saws (32, 38), each of which comprises a cutting chain (42), and a lubrication system (44) configured to lubricate the cutting chains (42) of the first and second saws (32, 38). The lubrication system (44) comprises a source of pressurized lubricant (46) and a diverter valve (48) configured to divert flow of pressurized lubricant, from the source of pressurized lubricant (46), between the first and second saws (32, 38) for lubrication of the respective cutting chains (42).

Classes IPC  ?

• A01G 23/08 - Abattage d'arbres

Abrégé

A debarker head (12) for use with a work machine (10) is disclosed. The debarker head (12) is configured for debarking a felled tree.

Classes IPC  ?

• B27B 31/00 - Aménagements pour transporter, charger, tourner, centrer ou décharger la grume ou le bois spécialement conçus pour les scieries ou les machines à scier

Abrégé

A debarker head for use with a work machine is disclosed. The debarker head is configured for debarking a felled tree.

Classes IPC  ?

• B27B 31/00 - Aménagements pour transporter, charger, tourner, centrer ou décharger la grume ou le bois spécialement conçus pour les scieries ou les machines à scier

Abrégé

A tree harvester head comprises a drive wheel, a delimb knife, a pin, a wheel-mounting inner sleeve to which the drive wheel is mounted, and a knife-mounting outer sleeve to which the delimb knife is mounted. The wheel-mounting inner sleeve surrounds the pin for rotation of the wheel-mounting inner sleeve and the drive wheel mounted thereto about the pin. The knife-mounting outer sleeve surrounds the wheel-mounting inner sleeve for relative rotation therebetween for rotation of the delimb knife about the pin.

Classes IPC  ?

• A01G 23/095 - Ébrancheuses

Abrégé

The present invention relates to a wheel for the removal of a surface layer from an item, the wheel having one or more primary blades oriented substantially across the direction of rotation with the wheel within operation, characterised in that the wheel includes a secondary cutting blade oriented substantially in the same direction as the direction of rotation with the wheel when in operation.

Classes IPC  ?

• B27L 1/10 - Écorçage ou enlèvement des attaches de branches des arbres ou des billesMachines à cet effet utilisant des outils rotatifs

Abrégé

A method and apparatus for determining a characteristic, such as the stiffness, of a portion of a wood specimen characterised by the steps of a) producing an acoustic signal in the wood specimen part way along the length of the wood specimen, and b) sensing a response in the wood specimen part way along the length of the wood specimen including a reverberation from a first end of the wood specimen, and c) calculating a characteristic of a portion of the wood specimen from analysis of the sensed response. A related method and apparatus may be used to determine a characteristic of a portion of a tree stem during harvesting of a tree and the characteristic used to optimise the value of a log cut from the stem.

Classes IPC  ?

• G01N 33/46 - Bois
• G01N 29/07 - Analyse de solides en mesurant la vitesse de propagation ou le temps de propagation des ondes acoustiques
• G01N 3/30 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant une force unique et brève