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| Number | Title | Issue Date |
| 7276003 | Vertical band saw machine with a speed ratio varying device A vertical band saw machine includes a first transmitting shaft driven by a drive force of a motor, a second transmitting shaft journaling a lower blade mounting pulley for rotating an endless band saw blade, and a speed ratio varying device coupling the transmittin... | 10/02/2007 |
| 7261027 | Sawing machine A sawing machine includes a workbench, a band saw pivotally installed on the workbench, a weight movable between an idle position on the workbench and a working position on the band saw and an adjustable torque provider for providing an adjustable torque to the band... | 08/28/2007 |
| 7159496 | Portable vise and saw combination A portable vise and saw combination includes a vise element having three attachment points. One attachment point is used to attach the vise to an existing support such as an existing horizontal rail, and another attachment point allows a saw to be mounted to the vis... | 01/09/2007 |
| 7159499 | Operational support for portable band saw Apparatus and methods for operational support and guidance of pivoting movement of portable band saws are disclosed. The apparatus includes a pivoting mount maintained at a work surface. A support is connected with the mount and includes a forward bracket adjacent t... | 01/09/2007 |
| 7114537 | Transformer unit A transformer unit for sawing, wherein the transformer unit comprises: a first machine element for performing a continuous rotational motion, and a second machine element for performing a limited alternating rotational motion, wherein the transformer unit can be cou... | 10/03/2006 |
| 7055250 | Machine tool for cutting plate and sandwich panels A machine for cutting plate-shaped workpieces, incorporates a tool guide (7), an operating handle (13), and a cutting tool (6) which revolves along the tool guide (7). By moving the operating handle (13), the tool guide (7) ... | 06/06/2006 |
| 7017460 | Method and arrangement for adjusting feed rate of a crosscut saw A method and arrangement for adjusting a feed rate of a crosscut saw (1), in particular, in a harvesting head of a forest machine during the crosscutting of wood (9) in the apparatus. A feed force (F) of the crosscut saw and/or a rotating rate (vc... | 03/28/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6966246 | Horizontal band saw A horizontal band saw includes a base assembly, a sawing mechanism and a bevel cutting adjustment device. The base assembly includes a frame and a conveyer. The frame has a transverse passage. The conveyer is mounted in the transverse passage of the frame. The sawin... | 11/22/2005 |
| 6779427 | Apparatus for guiding the saw band of a band saw machine A band saw machine includes a saw band for severing a workpiece in a cutting plane; a saw band support for swinging the saw band into the cutting plane before each sawing step; clamping jaws disposed downstream of the cutting plane as viewed in the feed direction fo... | 08/24/2004 |
| 6772749 | Band saw A band saw with a complex coordination of a tilting motion and a translational motion between the workpiece and the band saw blade, so that a curved cut is made in the workpiece. The geometric parameters of the cut can be continuously adjusted. This makes it possibl... | 08/10/2004 |
| 6267037 | Pipeline cutting apparatus An underwater apparatus for servicing subsea pipelines provides a telescoping frame which can be lowered to the vicinity of the pipeline. The frame has an open section so that it can straddle the pipeline and outer jacket and fixate itself releasably so t... | 07/31/2001 |
| 6158322 | Saw assembly A saw assembly for a grip-harvester has a saw chain running around a bar and a chain sprocket; a bar holder pivotably journalled on the saw assembly stand; a saw motor driving the chain sprocket; and a device for feeding a bar out and in. The feeding-out ... | 12/12/2000 |
| 6073528 | Chain saw jig The bar of a chain saw is attached to a jig which includes a support block pivotally attached to a pair of spaced support arms extending outwardly therefrom for supporting a log or branch to be cut, and fingers extending angularly forwardly and upwardly f... | 06/13/2000 |
| 6041683 | System for adjusting the rotation speed of a cross-cutting saw of a tree handling machine, especially grapple harvester An apparatus for adjusting the rotation speed of a cross-cutting saw of a tree handling machine, especially grapple harvester is provided. The apparatus is arranged to control a hydraulic cylinder connected to the guide bar of the cross-cutting saw in a p... | 03/28/2000 |
| 5884545 | Log sawing assembly There is provided a device for sawing logs to a predetermined length which includes a log lead-in support member, a log support frame, a log cutting station and a log collection deck. The log support frame includes a front end, a rear end, opposite sides ... | 03/23/1999 |
| 5802946 | Drive device for chain saw A drive mechanism for a chain saw has a minimal vertical height. The drive mechanism is particularly useful for timber harvesting vehicles, and includes a drive motor, a holder with a clamping mechanism for clamping a chain saw guide bar, a bearing assemb... | 09/08/1998 |
| 5347903 | Horizontal bandsaw with automatic tilt control A horizontal bandsaw is mounted in a tool carrier above a workpiece location. Before it starts cutting the bandsaw is tilted an angle between 3° and 10° and after the initial cut that angle is maintained during the rest of the cut until the intended dep... | 09/20/1994 |
| 5178052 | Machine for cutting in items of elastic material By means of a cutting machine according to the invention, the cutting of blocks of foam rubber can be effected in a more precise, less energy-demanding and at the same time less space-demanding manner compared to the known machines. This is achieved by a ... | 01/12/1993 |
| 5129160 | Feed mechanism for a cutting device A chain saw feed mechanism includes an arm pivotally mounted to the chain saw and carrying a dog for pivotally engaging the workpiece at the kerf. Thrusting the chain saw along the longitudinal axis of the guide bar moves the guide bar along an arc concen... | 07/14/1992 |
| 5081890 | Horizontal power band saw, and method of operation To prevent formation of burrs and splinters upon sawing a workpiece (3) with a continuously moving saw band (9) operating in a cutting movement direction (18), the saw band (9) is guided at an inclination or angle (19) with respect to a support surface (2... | 01/21/1992 |
| 5043907 | Band saw apparatus and method with first cut input to controller A band saw having a controller responsive to sensing signals as to operating parameters of the saw to generate a material distribution profile during a first cut of a piece of bar stock is disclosed. During subsequent cuts, the controller for the band saw... | 08/27/1991 |
| 4949613 | Cutting of materials A device for cutting logs which involves swinging a chain saw about a fixed pivot to bring the chain of the saw into cutting engagement with a log while the log is supported in elevated position the apparatus includes a table having a log supporting top, ... | 08/21/1990 |
| 4901612 | Band saw apparatus and method with pressure controlled feed Band saw apparatus is disclosed which includes cutting enhancement apparatus formed for tilting of the cutting stretch of the band saw blade to vary the force per unit area of the cutting edge of the blade on the workpiece. The cutting enhancement apparat... | 02/20/1990 |
| 4899720 | Machine for cutting stone materials A machine for cutting a block of stone material into slabs, comprising a bandsaw provided with a blade movable along a plane of cut and a carriage able to support the block and to cause its approach motion towards the blade. This blade passes over two fly... | 02/13/1990 |
| 4893533 | Band saw having more than two blade guides Band saw apparatus for cutting multiple workpieces simultaneously having more than two blade guide assemblies formed for sliding engagement with a continuous loop saw blade to define at least two saw blade cutting stretches. A vise assembly is also provid... | 01/16/1990 |
| 4848424 | Vehicle mountable tree felling apparatus A tree felling apparatus mountable to a vehicle includes a frame defining an opening for receiving a tree and a chain saw mounted for linear movement across the opening for felling the tree. One side of the opening is defined by an anvil having a sharpene... | 07/18/1989 |
| 4805500 | Horizontal band saw machine A horizontal bandsaw has a main vise positioned slightly to the rear of the cutting location for gripping the workpiece during cutting, a material feed vise positioned to the rear of the main vise for feeding material into the cutting location, and a fron... | 02/21/1989 |
| 4779503 | Portable saw stand A portable stand for cutting timber has a base, a vertical support structure mounted upon the base and defining with the base a first functional area for resting timber thereupon to be cut. On the opposite side of the vertical support structure there is d... | 10/25/1988 |
| 4766790 | Band saw apparatus and method Band saw apparatus is disclosed which includes a drive assembly formed for support and guided movement of a saw blade for cutting of a workpiece, an endless band saw blade mounted to the drive assembly, and reciprocation apparatus formed for reciprocation... | 08/30/1988 |
| 4722258 | Log sawing apparatus A hydraulically powered treelength log sawing apparatus has a log support lined with teeth opposing the outwardly-directed sawing force generated by its driveshaft-pivoted chainsaw. The chainsaw is driven by a hydraulic motor whose fluid exhaust flows thr... | 02/02/1988 |
| 4611521 | Chain saw attachment An attachment for a chain saw has a bracket to be bolted to the cutting bar of the saw so that a pivot arm extends on either side of the bracket providing a multi-purpose safety bar for the saw. The pivot arm fits in a support frame enabling the saw to be... | 09/16/1986 |
| 4606252 | Chain saw wood cutting apparatus The chain saw wood cutting apparatus disclosed is used for supporting a chain saw so that it may easily be swung by its handle between raised and lowered positions, for the purpose of cutting a log supported beneath into stove length sections.... | 08/19/1986 |
| 4557171 | Machine tool, particularly band saw, with lightweight saw band carrier A machine tool, typically a band saw, has a support carrier or carriage for bearings to journal saw band pulleys, guide attachment elements for saw band guides, attachment elements for a motor, and coupling elements to couple a feeding arrangement to the ... | 12/10/1985 |
| 4553463 | Portable wood cutting device A chain saw mounting assembly wherein a chain saw is pivotally mounted at the motor housing end, on a support frame, for pivotal movement in the cutting plane of the saw blade. A throttle actuator on the assembly regulates the speed of the cutting chain b... | 11/19/1985 |
| 4538494 | Means for actuating the throttle of a pivotably mounted chain saw A throttle actuating mechanism is employed in conjunction with a chain saw which has a trigger and is mounted for pivotal movement about a rotary axis from a rest position toward a workpiece. The mechanism includes a lever pivoted coaxially with the rotar... | 09/03/1985 |
| 4532846 | Arrangement for manufacturing curved wall portions of heat insulating walls A method of manufacturing curved wall portions of a heat insulating wall for a container having a curved surface, includes the steps of forming a block of heat insulating synthetic foam material with a contour embracing a section of a container surface to... | 08/06/1985 |
| 4530266 | Cutting unit with chain saw for cutting logs A unit intended for cutting logs includes a body and a chain saw carried by the body, the saw being adapted for displacement in one direction, from an initial position before cutting to an end position after cutting, and in the opposite direction, from sa... | 07/23/1985 |
| 4513799 | Method of cutting substantially horizontal cantilevered objects such as logs, and apparatus for carrying out the method Cutting horizontal, cantilevering objects of splittable material, such as de-barked tree trunks and the like is carried out with the aid of a guided, endless circulating saw chain (10), the upper cutting part of which is moved from below and upwards throu... | 04/30/1985 |
| 4481849 | Horizontal bandsaw machine An apparatus is provided for controlling the raising and lowering of a cutting head assembly of a horizontal bandsaw machine. The apparatus comprises a sensing member for sensing the top surface of a workpiece to be cut and an actuating device which is op... | 11/13/1984 |
