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| Number | Title | Issue Date |
| 7878227 | Debarking chain with passing links A debarking chain having passing links; the passing links being substantially rounded in order to permit the passing links to pass through adjacent links such that the orientation of the passing link relative to its adjacent links can change at random in order to ra... | 02/01/2011 |
| 7334612 | Log gripping attachment for a tree grinder apparatus A log gripping attachment for a tree grinder includes a first thumb or jaw section pivotally mounted to the support frame of the grinder. There is a complementary second jaw section carried by the support frame and pivotally opposing the first jaw section. A drive m... | 02/26/2008 |
| 7320348 | Forest rejuvenation and preservation A method of rejuvenating and preserving a forest by transforming wood waste. Tree species are identified in a forest area. Equipment is then selected or modified based on the identified tree species. Wood waste of the identified tree species is gathered and transfor... | 01/22/2008 |
| 7264029 | Flail pan for delimbing and debarking apparatus A flail pan for use with a delimbing and debarking apparatus. The flail pan has a first section which extends from the first side opening of the apparatus beneath the first flail and a center section which is spaced vertically and horizontally between the first and ... | 09/04/2007 |
| 7128109 | Essential oil reclaim apparatus, and method of use An essential oil reclaim method for use with a corresponding apparatus, comprising the following steps: the apparatus grabs the tree parts, the tree tops or the tree limbs, and shakes them with rotating drums provided with chains (under whiplash effect); the needles... | 10/31/2006 |
| 7100647 | Forestry machine A forestry machine with devices for felling, trimming and cutting trees includes a control system with operating devices which are actuable by an operator. The operating devices control the felling, trimming and cutting devices, as well as the movements of the fores... | 09/05/2006 |
| 7007874 | Shroud assembly for waste processing machine A shroud assembly for a waste processing machine includes a shroud for attachment to an engine of the waste processing machine. The shroud assembly also includes a plurality of fasteners for attaching the shroud to the engine of the waste processing machine, whereby... | 03/07/2006 |
| 6976515 | Modular drive wheel for log processors, delimbers and single grip harvesters The modular drive wheel for log processors includes a tubular midsection sandwiched between a pair of annular rings mounted concentrically on opposite ends of the midsection. The midsection has a resilient outer surface extending around the midsection. The pair of a... | 12/20/2005 |
| 5927358 | Tree limb removing apparatus and method A tree limb removing apparatus and method featuring a tree delimbing device having a horizontal member with a plurality of vertical members perpendicular thereto and depending therefrom, which vertical members are preferably discs which are rotatable abou... | 07/27/1999 |
| 5862846 | Feed arm A feed arm (10) for use with a debarking and delimbing machine (100). The arm is constructed of a first section (12) and a second section (14) which are slidably connected together using an insert (16). The first section is securely mounted on the lower f... | 01/26/1999 |
| 5638879 | Externally changeable flail apparatus Flail apparatus for debarking/delimbing wood products traveling through a debarking station wherein at least one of the flails comprises an axially extending member having axially rotatable chain supporting elements with an array of flexible flailing chai... | 06/17/1997 |
| 5535796 | Flail chain connector A flail chain connector is provided which may be applied to an existing wood debarking apparatus or machinery for cutting vegetation. The connector is provided with integral fasteners for removable attachment of a length of flail chain to a powered rotary... | 07/16/1996 |
| 5524685 | Debarking/delimbing apparatus Debarking/delimbing apparatus, especially for softwood, comprises at least one spool device mountable so as to be rotatably driven about an axis and capable of removing bark from tree parts moved lengthwise relative to said device across its axis, with ea... | 06/11/1996 |
| 5511596 | Quick change debarking chain A rotor link attached to a debarking cylinder. An open link is attached to the rotor link and a chain is attached to the open link. The open link must be rotated forward in the direction of rotation of the debarking cylinder so that a flat area of the rot... | 04/30/1996 |
| 5485718 | Flail cutter and method of providing a flail cutter for a brush cutting machine In the first preferred embodiment a flail cutter for a brush cutting machine comprises generally a shaft having a plurality of holes therethrough and a locking sheath also with a plurality of holes therethrough. The holes in the shaft and the holes in the... | 01/23/1996 |
| 5419379 | Two flail debarking chain A debarking chain including a closed chain link attached to an open link by a series of translational and rotational movements. A second chain added in a similar fashion with the first chain locking the second chain in place.... | 05/30/1995 |
| 5349999 | Mobile combination debarking/chipping machine A combination debarking/delimbing and chipping machine for processing logs is mounted on a single chassis. The debarking/delimbing apparatus of the machine has a lower flail positioned below a material feed path and two adjustable flails positioned above ... | 09/27/1994 |
| 5343912 | Debarking chain quick change fitting The debarking chain includes a quick disconnect for attaching the debarking chain to a drum. A connecting link is releasably attached to the drum. A chain comprised of closed links is attached to the drum via the connecting link by an open link which conn... | 09/06/1994 |
| 5322104 | Flail drum machines and methods A flail drum system has an upper rotary chain flail drum and a lower rotary chain flail drum longitudinally downstream from the upper drum. Wood product advancing mechanism on the machine frame moves the logs forwardly while spreading them and creates a d... | 06/21/1994 |
| 5322102 | Pruning apparatus having a helical cutting head A pruning device having a chain saw with a flexible chainbar and a double-articulated cutting chain. The chainbar has a relaxed shape of a helix for encircling a tree trunk. The double-articulated cutting chain can curve about two lateral axes so that it ... | 06/21/1994 |
| 5293916 | Log debarking chain flail and apparatus A log debarking chain flail apparatus 10 is illustrated in FIGS. 1 and 2 removing bark from a log 12. The apparatus includes two opposing flail assemblies 18 and 20 having a plurality of chain flails 22 that extend radially outward as the assembly is rota... | 03/15/1994 |
| 5249613 | Debarking/delimbing apparatus A debarking/delimbing apparatus having upper and lower flail drums mounted diagonally relative to a feed line of the apparatus and the upper and lower flail drums being mounted transverse to one another. The upper flail drum moves towards and away from th... | 10/05/1993 |
| 5193597 | Material stripper and debris removal apparatus therefor A debris conveyor for removing limbs, bark and other debris from between a tree stripping apparatus and a tree chipping apparatus defines a path between the stripper and chipper and comprises a conveyor extending under the path for conveying debris away f... | 03/16/1993 |
| 5148844 | Flail drum system A flail drum system for delimbing and/or debarking small trees and logs has an upper rotary chain flail drum disposed above the path of travel of the wood product and a lower rotary chain flail drum disposed below the path of the product adjacent to the u... | 09/22/1992 |
| 5094281 | Debarking/delimbing apparatus Debarking/delimbing apparatus comprises at least one spool device mountable and rotatably driven about an axis and capable of removing bark from tree parts moved lengthwise across its axis. Each spool device has two end members rotatable about the axis an... | 03/10/1992 |
| 5025615 | Scarifier attachment for chain saw A hub and tine assembly for a rotary debris remover is provided which comprises a hub which is rotatable about a shaft and a plurality of tine members which are arranged symmetrically around the rotation axis of the hub. The tine members are pivotally con... | 06/25/1991 |
| 4989655 | Side loading debarking/delimbing apparatus and method A debarking/delimbing apparatus and method wherein the apparatus is provided with a side loading entry into the debarking/delimbing flails. A pivotal ramp guides tree stems into and through the side entry. With the ramp in a lowered position a skidder-typ... | 02/05/1991 |
| 4947906 | Debarker This invention relates to a method of and apparatus for delimbing and debarking tree trunks and branches. The apparatus includes two elongated rotors which are parallel to, spaced from each other and mounted for rotation in the housing, flexible flail ele... | 08/14/1990 |
| 4903744 | Side loading debarking/delimbing apparatus and method A debarking/delimbing apparatus and method wherein logs are continuously handled by a stem hauling skidder continuously throughout the debarking/delimbing operation. The debarking/delimbing apparatus is provided with a side loading entry into the debarkin... | 02/27/1990 |
| 4889169 | Combination log debarker-chipper A combination log debarking, log chipping unit having a debarking apparatus and a chipping apparatus mounted on a common chassis, the two apparatus are aligned for conveying logs from the debarking apparatus to the chipping apparatus. The two apparatus ar... | 12/26/1989 |
| 4805389 | Rotary debris remover A manually portable rotary debris remover, particularly adapted for clearing tree planting sites, has a remotely mounted, power driven, rotating hub on an extended support, such as a chain saw blade. The rotationally driven hub has a plurality of pairs of... | 02/21/1989 |
| 4787431 | Flail apparatus A flail type apparatus (10) for removing limbs and/or bark from trees (101) by dragging the trees through the apparatus with a skidder (100) is described. In particular, drum 15 and 23 are mounted on the apparatus such that there is an opening A leading t... | 11/29/1988 |
| 4738292 | Tree delimbing apparatus A tree delimbing apparatus (10) for removing tree branches, bark, and leaves. Tree stems are extended transversely over a shaft (12) where a sheet-like thread (22) conveys the tree stems longitudinally along the shaft (12). Chains (26) are attached to the... | 04/19/1988 |
| 4729415 | Apparatus for debarking trees A debarking apparatus including a closed bottom formed into a channel. A plunger is slidable in the channel and pushes bark material along the channel and out an open end of the channel. The plunger has a top surface that closes the channel as it moves th... | 03/08/1988 |
| 4721139 | Feed roll for debarking/delimbing apparatus A feed roll for a log debarker or delimber wherein the roll is square-shaped in cross-section. Rows of gripping teeth are provided along each corner. The teeth are varied in height along the feed roll to form a sinusoidal or serpentine wave. Successive ro... | 01/26/1988 |
| 4719950 | Tree size adaptable debarking/delimbing apparatus A debarking/delimbing apparatus having upper and lower flailing drums mounted crossway to a feed line for logs progressing through the apparatus. The upper flailing drum is pivotally mounted to enable movement of the flails toward and away from the feed l... | 01/19/1988 |
| 4711280 | Vertical flail delimber A method and apparatus for delimbing a plurality of elongated tree stems includes at least a pair of vertically mounted, longitudinally offset flail members with flexible impact members mounted on rotatable drums. The drums rotate in the direction of stem... | 12/08/1987 |
| 4690187 | Method and apparatus for flail debarking Apparatus for flail debarking a plurality of logs simultaneously. The logs are fed substantially side-by-side to a flail debarking unit having sets of flailing units disposed above and below the feeding plane of the logs. A size reducing means is disposed... | 09/01/1987 |
| 4640325 | Flail member for debarking trees The present invention provides an improved debarking device of the flail type. A plurality of elongated chain sections are mounted on a rotatable drum is substantially uniform rows. At least some of the chain sections have a lateral vibratory length less ... | 02/03/1987 |
| 4572258 | Chain flail A flail device for use in conjunction with debarking or delimbing apparatus is disclosed. The device comprises a rotatable drum having a plurality of circumferentially spaced-apart rows of longitudinally spaced-apart openings, a plurality of rods extendin... | 02/25/1986 |
