| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 083788000 | BY ENDLESS BAND OR CHAIN KNIFE | 68 |
| 20080289472 | SKIDLOADER MOUNTED TIMBERSAW ATTACHMENT - A timbersaw attachment for a skidloader is beneficial in cutting timber. The skidloader attachment has a mounting plate adapted to attach to the skidloader, a cutting head attached to the mounting plate and one or more extensible members adapted to move the cutting head. Using the timbersaw attachment for a skidloader and method for cutting timber is disclosed by joining the attachment having a cutting head to the skidloader, connecting one or more extensible members and a motor on the attachment to the skidloader's hydraulics, moving the cutting head relative to the skidloader with the extensible members, and cutting timber with a chain rotated by the motor upon the cutting head. | 11-27-2008 |
| 20090288540 | Vertical band-saw - A vertical band-saw has a base, a conveyor assembly, an auxiliary pressing assembly, a band-saw assembly and an adjusting assembly. The base has two guide panels mounted on the base in alignment. The conveyor assembly is mounted on the base and has a front conveyor belt and a rear conveyor belt. The auxiliary pressing assembly is connected to the base above the conveyor assembly and has a top pressing wheel, a front lateral pressing wheel and a rear lateral pressing wheel. The band-saw assembly is movably connected to the base between the conveyor belts near the guide panels and has a casing, a drive motor and a band saw. The adjusting assembly is connected to the base to allow the band-saw assembly to be moved relative to the base simply and conveniently and has an actuating device, two driving screws and two bushing devices. | 11-26-2009 |
| 20110247472 | BANDWHEEL AND BLADE BRAKE SYSTEM - The present invention relates to a belt brake for a band saw such as a band saw on a sawmill utilized for sawing lumber. The belt brake provides added safety by stopping the blade of the band saw when the operator deactivates the band saw, for example, by turning the band saw off or operating the band saw clutch. The belt brake activation may be synchronized with the band saw's clutch mechanism. | 10-13-2011 |
| 20110296970 | BREAD SLICING APPARATUS - A bread slicing apparatus comprises: a plurality of drums disposed spaced apart from each other and adapted to be wound with an endless blade; a plurality of rotation shafts on which the plurality of drums are coaxially mounted, respectively; a shaft support frame member extending outside a cylindrical space defined by an outer circumference surface and its extending surface of the plurality of drums; a shaft support member including one end portion pivotably mounted on the shaft support frame member and another end portion removably mounted on the shaft support frame member, and the shaft support member being capable of supporting at least one end portion of the plurality of rotation shafts; and a drum placement mechanism capable of placing at least one of the plurality of drums thereon, wherein the shaft support member is capable of pivoting between inside of the cylindrical space and outside of the cylindrical space, and the shaft support member is capable of pivoting toward the outside of the cylindrical space when the at least one of the plurality of drums is placed on the drum placement mechanism. | 12-08-2011 |
| 20130228058 | POWER-TOOL PARTING DEVICE - A power-tool parting device, in particular a hand power-tool parting device, has at least one cutting strand. The at least one cutting strand includes at least one cutting-strand segment, at least one further cutting-strand segment, and at least one connecting element that is integral with the at least one cutting-strand segment. The at least one connecting element has at least one outside-face fixing surface configured to be fixed to a corresponding fixing surface of the at least one further cutting-strand segment. | 09-05-2013 |
| 20130283991 | Portable Saw Mill With Bed Adjustments - A saw head apparatus for a portable saw mill includes a housing and a reinforcement structure. The housings containing first and second band wheels on which a saw blade is supported. The housing has a rear wall, side walls and at least one front wall. The rear wall has a width extending transverse a longitudinal direction of the saw mill bed. The reinforcement structure extends widthwise across over half of the width of the rear wall. The reinforcement structure is affixed to the rear wall and is disposed between the rear wall and the at least one front wall. | 10-31-2013 |
| 20140102277 | HEIGHT ADJUSTMENT DEVICE FOR BAND SAW MACHINE - A height adjustment device for a band saw machine includes a fixing unit, an adjustment unit which is slidable relative to the fixing unit and at least one fixing member to secure the fixing unit the adjustment unit. Through the position of the adjustment unit relative to the fixing unit, the height of the band saw machine can be adjusted according to the user's height for the user to operate the band saw machine conveniently. | 04-17-2014 |
| 20140174274 | MOVING SHEAR RAIL - A sawmill including a band saw, mounted on a carriage. A moving shear rail is connected to the carriage such that the shear rail moves in synchronization with the band saw. The moving shear rail has a notch formed in the upper edge, and is positioned so that the notch is aligned with the band saw blade, and the upper edge of the moving shear rail extends at least to even with the band saw blade, and possibly even beyond the saw blade. The moving shear rail includes a shear rail plate carrying the notch, and a flexible element connected at each end of the shear rail plate. The flexible element is formed of conveyor links reeved about a pair of reels, including a last link that is removably connected to the shear rail plate. Each of the reels is mounted to a standard, one having a pivot, allowing that reel to be pivoted away. | 06-26-2014 |
| 20140352515 | LIFTING ROD ASSEMBLY WITH A COOLANT SUPPLY AND PRESSURIZING DEVICE - A lifting rod assembly with a coolant supply and pressurizing device includes a pipe with an inner passage. The inner passage includes an open input end, an open output end, and an input section and an output section sequentially arranged from the open input end toward the open output end. The output section is in communication with the output end. In the inner passage is movably disposed a slider which is provided with a plurality of pressure flutes, each of the pressure flutes has a diameter smaller than the diameter of the input section, and both ends of the slider are provided with a plurality of buffers, a band saw of a band saw machine is allowed to insert in the output end of the lifting rod assembly, and the slider is abutted against the band saw. | 12-04-2014 |
| 20150096419 | Power Tool System - A power tool system includes at least one power tool which has at least one workpiece support unit that is configured to support a workpiece during machining, and also includes at least one machining tool device which extends through a workpiece support surface of the workpiece support unit in at least one operating state. The machining tool device includes at least one cutting strand that is configured to be driven in circulation. A ratio of a maximum height of the workpiece support unit to a maximum cutting depth of the machining tool device is less than 4.1. | 04-09-2015 |
| 20150122102 | METHOD FOR PRODUCING AT LEAST ONE CUTTING UNIT SEGMENT OF A CUTTING UNIT OF A MACHINE TOOL SEPARATING DEVICE - A method for producing a cutting unit segment of a cutting unit of a machine tool separating device, includes at least one cutter support element and at least one cutter element. In at least one step, the cutter element is molded on the cutter support element by a drawing process in an at least partially staggered manner relative to an outer surface of the cutter support element. | 05-07-2015 |
| 083789000 | With programming means | 1 |
| 20090078103 | DETERMINATION OF BAND SAW FEEDING SPEED - In a method and a system for determining the feeding speed when bandsaw cutting a workpiece, the tooth pitch TP of the bandsaw blade is determined in a first unit depending on the shape and dimensions of the workpiece. In a second unit feeding depth per tooth is determined depending on properties of the workpiece material and the width of the bandsaw blade. The bandsaw blade velocity BS is determined in a third unit from the width W of the workpiece and the hardness of the workpiece material, whereafter the cutting time T is determined in a first calculating unit from the height H of the workpiece, the feeding depth per tooth, the tooth pitch TP and the blade velocity BS. In a second calculating unit the feeding speed MH for the bandsaw blade is then determined by the equation MH=H/T. A computer program, when executed on a computer, performs this determination of the feeding speed when cutting a workpiece with a bandsaw from supplied input data. | 03-26-2009 |
| 083794000 | With tool in-feed | 10 |
| 20120174723 | MACHINE FOR CUTTING STRUCTURAL MEMBERS, SUCH AS LEGS, BEAMS, I-BEAMS OR THE LIKE FOR SUPPORTING STRUCTURES MADE OF STEEL, CONCRETE, STEEL AND CONCRETE, STONE-LIKE MATERIALS OR THE LIKE - A machine for cutting structural members such as legs, beams, I-beams or the like for supporting structures made of steel, concrete, steel and concrete, stone-like materials is described | 07-12-2012 |
| 20140060279 | Power Tool System - A power tool system includes at least one power tool which has at least one tool support unit for supporting a tool during machining, and at least one power tool separation device which extends through the tool support unit in at least one operational state. The disclosed power tool separation device comprises at least one cutting unit and at least one guide unit for guiding the cutting unit. | 03-06-2014 |
| 083795000 | Including ground-traversing vehicle | 1 |
| 20150343661 | PICKUP AND ALIGNMENT MECHANISM FOR LOGS AND A METHOD OF USE - A pickup and alignment mechanism for logs is disclosed along with a method of using the mechanism. The pickup and alignment mechanism includes a frame, a connector and a plurality of L-shaped tines secured to the frame. The plurality of L-shaped tines is grouped into pairs. The pickup and alignment mechanism also includes a pair of side tine. The pickup and alignment mechanism is designed to be removably mounted to a motorized vehicle. All of the L-shaped tines can be hydraulically or pneumatically actuated to remove from between one to six logs from a stacked pile of logs. The one to six logs are then raised above ground level and are aligned relative to one another so that they can be easily cut into smaller piece of firewood by a person with a chain saw. The person with the chain saw will approach the front of the pickup and alignment mechanism and face the motorized vehicle. The pickup and alignment mechanism further includes a plurality of bumpers secured to each pair of L-shaped tines. The bumpers provide a clearance such that the blade of the chain saw can be kept a safe distance away from the frame to prevent damage to the blade. | 12-03-2015 |
| 083796000 | Including means to permit arcuate in-feed motion | 3 |
| 20110000355 | Multi-Bandsaw Machine - A multi-bandsaw machine includes several bandsaws, for cutting a material into a plurality of plates in a single process. At least one side edge of each bandsaw has a plurality of diamond grits, and the bandsaws rotate in a single direction on the multi-bandsaw machine, so as to cut the material with the diamond grits and form a cutting notch on the material. The cutting notch has a depth to kerf ratio at least larger than 100:1 during the process of cutting the material with the diamond grits in each hour. | 01-06-2011 |
| 20120111170 | Chain saw stand - A portable apparatus for cross-cutting material is described. The apparatus secures a chain saw to a swing-arm and is controlled with a tensioning spring, allowing the operator the ease of maneuvering the chain saw. The apparatus supporting-legs splay outwards giving a positional height to allow cut material to fall free off the apparatus. | 05-10-2012 |
| 20160121504 | CHAIN-TYPE CUTTING ASSEMBLY - An assembly for cutting foam, nonwoven, rubber, and composite products has a guide having a longitudinally extending guide edge formed with a longitudinally extending and outwardly open groove. A longitudinally extending row of cutting elements extends along the guide edge, and element each has an entrainment dog projecting inward into the groove, a support riding on the guide edge and having sides each formed with a pair of longitudinally spaced and outwardly open recesses, a base outward of the support, and a wedge-section cutting tooth forming a cutting edge outside the base and having a pair of longitudinally extending flanks converging at the cutting edge. Coupling links extend between and have ends set in the recesses of adjacent cutting elements. Pivot pins extend through the ends of the links and through the supports at the bases. The base is of a maximum width greater than a width of the assembly at the pins. | 05-05-2016 |
| 083799000 | By gravity | 2 |
| 20080289473 | Metal cutting band saw with suspended saw frame - A metal cutting band saw is provided that includes a main carrier, on which an intermediate carrier is pivotally mounted. The saw frame, which can be adjusted in the direction of the workpiece, is mounted on the intermediate carrier by means of a swivel support or a parallel guide. The swivel support for connecting the main carrier to the intermediate carrier is located above the workpiece to be processed. | 11-27-2008 |
| 083800000 | With fluid in-feed regulating means | 1 |
| 20100031798 | Horizontal Band-Saw - A horizontal band-saw has a base, a conveyor assembly, multiple band-saw assemblies and multiple auxiliary pressing assemblies. The base has multiple crossbars and multiple stanchions. The conveyor assembly is mounted on the base and has two parallel conveyor belts and a guide panel. The band-saw assemblies are mounted on the base across the conveyor belts and each band-saw assembly has a casing, a drive device, two drive wheels and a band saw. Each casing is mounted on a top of the base and has an adjusting device. Each drive device is mounted on a corresponding casing. The drive wheels are mounted in a corresponding casing. The band saw is mounted around the drive wheels. The auxiliary pressing assemblies are mounted on the base adjacent respectively to the band-saw assemblies and each auxiliary pressing assembly has a front auxiliary assembly and a rear auxiliary assembly. | 02-11-2010 |
| 083801000 | By motor-driven mechanism | 2 |
| 20080229894 | Band saw quickly changing device for a band saw machine - A band saw quickly changing device for a band saw machine is pivotally connected to a turning wheel of the machine body, including a sliding base, two limiting bases, a spring, a support plate, a micro-adjusting rod, a quickly adjusting device and a bottom base. The quickly adjusting device is composed of a shifting block, an eccentric block and a handling rod. The eccentric block has an eccentric shaft hole for pivotally connected on the shifting block, and the handling rod has a pivotal member formed in its upper end to fit in the eccentric shaft hole and fixed therein with a bolt. When the handling rod is swung backward, the sliding base is moved down to let the upper turning wheel move down, loosening the band saw extending around the two turning wheels of the machine. | 09-25-2008 |
| 20110138983 | ARTICULATING BAND SAW AND METHOD - An articulating band saw apparatus provides a frame that includes a vertically extending section having upper and lower end portions. An elevator moves between the upper and lower end portions of the frame. A first hydraulic actuator is supported on the elevator for movement therewith. A first arm provides arm end portions, the first arm supported by the first hydraulic actuator. An end of the first arm supporting a second hydraulic actuator that is spaced away from the first hydraulic actuator. The second hydraulic actuator supports a second arm. An endless band type saw is mounted on the free end of the second arm generally opposite the second actuator. The band saw is movable by articulation of the first and second actuators and resulting movement of the first and second arms. In one embodiment, the band saw is a diamond wire saw. | 06-16-2011 |
| 083802000 | With scale or indicator | 1 |
| 20160136743 | AUXILIARY DEVICE FOR CUTTING IN BANDSAW - A device to project the shape of a cutting line with respect to a workplace on a board face of a working board in a band saw includes: a working board support section provided in a main body in order to adjustably support a working board with a flexible steel strip as the center and fix the working board at an arbitrary position and posture; and a light beam projector which projects the shape of the cutting line with respect to the workpiece to the board face of the working board, the light beam projector is positioned on the side surface of a band saw main body so as to project a light beam parallel to a cutting surface by the flexible steel strip and there is a projection section mounted by using a joint which can change the projection direction to an arbitrary direction. | 05-19-2016 |
| 083803000 | Including plural cutting zones | 1 |
| 20140053703 | Power Tool System - A power tool system comprises (i) at least one power tool, in particular a circular saw, having at least one tool support unit for supporting a tool during machining and at least one displaceably mounted tool guiding unit, and (ii) at least one power tool separation device which is arranged on the tool guiding unit. The power tool separation device comprises at least one cutting unit and at least one guide unit for guiding the cutting unit. | 02-27-2014 |
| 083809000 | Including means to adjust relationship between band and work-support surface | 14 |
| 20110030527 | CUTTING MACHINE CAPABLE OF ADJUSTING CUTTING POSITION - Provided is a cutting machine whose cutting position can be adjusted, which includes: a cutting unit that cuts a work structure by operation of the cutter; a clamping unit that pressurizes and fixes the work structure to make the cutting unit cut the work structure; a horizontal shifting unit that is mounted on the cutting unit and makes the cutting unit shifted horizontally along the lengthy direction of the work structure, so that one or more portions of the work structure can be cut by the cutting unit at a state where a portion of the work structure has been cut by the cutting unit and then the work structure has been fixed to the clamping unit; and a shifting adjustment unit that makes the cutting unit horizontally shifted by the horizontal shifting unit between the portion of the work structure that has been cut and the portion of the work structure that will be cut, and that adjusts shift of the cutting unit with respect to the horizontal shifting unit so that the cutting unit can cut the work structure at a state where the cutting unit is fixed in position on the horizontal shifting unit between the portion of the work structure that has been cut and the portion of the work structure that will be cut. | 02-10-2011 |
| 083810000 | By varying angle between band and work-support surface | 7 |
| 20090288541 | METAL CUTTING BAND SAW WITH SUSPENDED SAW FRAME - A metal cutting band saw is provided that includes a main carrier, on which an intermediate carrier is pivotally mounted. The saw frame, which can be adjusted in the direction of the workpiece, is mounted on the intermediate carrier by means of a swivel support or a parallel guide. The swivel support for connecting the main carrier to the intermediate carrier is located above the workpiece to be processed. | 11-26-2009 |
| 20110005364 | Band saw having worktable whose horizontal rotary angle is adjustable - A band saw includes a machine base having a shaft hole for a saw blade to pass through, and a worktable having a shaft tube for the saw blade to pass through. By means of the insertion of the shaft tube of the worktable into the shaft hole of the machine base, the worktable is rotatable relative to the saw blade for adjustment of the horizontal rotary angle thereof. | 01-13-2011 |
| 083811000 | By tilting band carrier | 5 |
| 20090044676 | POWER TILT ASSEMBLY FOR BAND SAW - A power tilt assembly for a band saw has a power tilt harp plate and a length of silent chain about the harp plate's perimeter. The chain is anchored to the harp plate at each end by a chain tensioner. The column of a blade carrying frame incorporates a tilt motor and a tilt motor shaft to drive a silent chain sprocket around a portion of which the silent chain is looped. A pair of idlers are used to maintain this portion of the silent chain in contact with the sprocket. As the tilt gear motor is actuated, the sprocket moves along the chain thereby moving the column of the blade carrying frame with it. A power tilt brake pad controls incremental movement of the column and a power tilt pointer indicates degree of tilt of the column and the corresponding angle of vertical cut to the machine operator. | 02-19-2009 |
| 20090071311 | CANTED AND VERTICAL BLADE ASSEMBLY - The present invention provides for a vertical band saw frame assembly comprising a support column having a top and a bottom, the support column having a lower band wheel attached thereto. The band saw frame further provides for a tilt plate having a plurality of apertures attached to the top of the support column and a mounting plate. The tilt plate provides a mounting platform for the upper band wheel, blade tensioning assembly, blade guide, and blade break sensor. In a preferred embodiment, the tilt plate is attachable to the mounting plate in two positions, a first position in vertical alignment with the lower band wheel and a second position in which the upper band wheel further from the support column and at an angle to the first position to create a canted cutting blade angle. | 03-19-2009 |
| 20100050846 | Band-sawing machine - A band-sawing machine comprises a machine base having a transverse through-hole and a plurality of support rod holes; a tension adjustment means including a fastening rod, first and second blocks, two support rods, and an adjusting seat, with the first and second blocks and adjusting seat are slidable along the support rods; a blade mounting pulley coupled to the adjusting seat pivotally; a band sawing blade provides on the blade mounting pulley; and a rapid handling means including a handle and a cam shaft; wherein the handle is inserted through the transverse through-hole and coupled to the cam shaft which is adapted for selectively pushing the first block to move upward to drive the blade mounting pulley to move therewith and change the band sawing blade. | 03-04-2010 |
| 083812000 | About point of intersection of cutting span and work-support surface | 2 |
| 20130312582 | Cutting-Angle Adjustable Bandsaw - A cutting-angle adjustable bandsaw is provided with a base, a first mounting seat, a second mounting seat, a first saw table, a second saw table, a first drive unit, a second drive unit, a bandsaw unit and an adjustment unit. The first and second drive units can make the first and second saw tables move to different horizontal planes, so as to adjust the band blade riding between the drive wheel and the assistant wheel to an inclined position, so that the cutting angle of the band blade is changed to reduce the contact area between the band blade and the object to be cut, resulting in a reduction of cutting resistance and power saving. | 11-28-2013 |
| 20160175952 | CUTTING-ANGLE ADJUSTABLE BANDSAW | 06-23-2016 |
| 083813000 | By varying distance between band and work-support surface | 6 |
| 20110000356 | HEIGHT ADJUSTMENT DEVICE FOR BAND SAW - A height adjustment device for a band saw includes a manual driving unit and an automatic driving unit. When one of the manual driving unit and the automatic driving unit is damaged, the user can operate the other to adjust the height where a saw blade guiding device is located, thereby ensuring a smooth running of the production line and improving the production efficiency. | 01-06-2011 |
| 20110138984 | PALLET DISMANTLER - A pallet dismantler includes a frame, a first drive roller rotatably coupled to the frame, and an arm pivotably coupled to the frame. A sleeve member is rigidly coupled to the arm. An axle extends from the sleeve. A second drive roller is rotatably coupled to the axle. An adjustable ratchet member extends between the arm and the frame. The adjustable ratchet member is operable to adjust the position of the second driver roller relative to the first drive roller. A blade member is trained on the first and second drive rollers. | 06-16-2011 |
| 20110138985 | SAWHEAD VERTICAL ADJUSTING FRICTION WINCH AND SELF-LOCKING/BRAKING SYSTEM FOR SAWMILL - A friction winch and braking system for a sawmill having a cutting mechanism for sawing lumber. The friction winch and braking system allows for easy, one-handed raising and lowering of the sawmill head within the sawmill carriage and the automatic braking of the sawhead at the vertical plane chosen by the operator. | 06-16-2011 |
| 20130283992 | Portable Saw Mill With Bed Adjustments - A log adjustment system for a portable saw mill having a saw head and a bed includes a pair of substantially parallel elongate supports, at least two transverse members, and an adjustable toe board. The first transverse member extends between the elongate supports. The second transverse member extends parallel to the first transverse member. The adjustable toe board extends in a gap defined between the first transverse member and the second transverse member. The adjustable tool is configured to be supported at a plurality of heights adjacent to the first and second transverse members. | 10-31-2013 |
| 20150375316 | HORIZONTAL BAND SAW MACHINE AND METHOD FOR INSTALLING BAND SAW BLADE - A horizontal band saw machine includes abase, a vertically-movable housing disposed above the base, a pair of wheels that are disposed at a lower portion of the housing and a distance between whose axis lines is changeable, a band saw blade lopped over the pair of wheels, and saw blade guides that are provided on the base. An installation position of the band saw blade is set lower than a cutting end position of a workpiece to be cut by the band saw blade. The housing can move the pair of wheels to the installation position. The pair of wheels can be inserted into an region surrounded by the band saw blade that is set on the saw blade guides when being moved to the installation position with the distance shortened. | 12-31-2015 |
| 20160158857 | HORIZONTAL BAND SAW MACHINE - A horizontal band saw machine includes a pair of jaws, a pair of saw blade wheels, a band saw blade looped over the saw blade wheels, a pair of saw blade guides, a contact guide attached to the other of the pair of jaws, a coupling bracket connected to the other of the pair of saw blade guides to locate a distal end thereof below the other of the pair of saw blade wheels, and a follower member provided at the distal end of the coupling bracket. The contact guide and the coupling bracket are configured to move one of the pair of saw blade guides until the follower member contacts with the contact guide when the hand saw blade is fed circularly in a state where the band saw blade is clamped by the one of the pair of saw blade guides. | 06-09-2016 |
| 083814000 | With means to guard the tension | 7 |
| 20100071527 | BAND SAW MACHINE, AND SAW BLADE INSTALLATION METHOD IN BAND SAW MACHINE, SAW BLADE DRIVING METHOD, AND CUTTING METHOD - A band saw machine which has an endless band saw blade hung around a driving wheel and a driven wheel rotatably supported by a saw blade housing that is capable of moving vertically. The band saw machine also includes a pair of guide posts for vertically guiding the saw blade housing between the driving wheel and the driven wheel, wherein an upper traveling part of the band saw blade is disposed at one side of the front and rear sides of the guide posts, and a lower traveling part of the band saw blade is disposed at the other side of the front and rear sides of the guide posts. | 03-25-2010 |
| 20140116225 | GLIDING PART TO BE FASTENED TO A FRAME OF A SAWING DEVICE - Arrangement in order to tension a counter element ( | 05-01-2014 |
| 20140305273 | Chain saw chain containment device - A device for deflecting a detached cutting chain off the drive sprocket of a chain saw in order to deenergize and arrest it. A ramp provides a surface disposed below the chain guide bar, which surface is oblique with respect to the chain guide bar, slightly below a lower edge of the chain guide bar and obliquely angled with respect to a plane that contains the exterior surface of the chain guide bar, and distal to the drive sprocket. Sliding engagement of a detached cutting chain with the oblique surface moves the cutting chain exteriorly away from the chain guide bar and off the drive sprocket. A chain catcher is also provided to arrest the detached cutting chain and/or chain shot portions thereof. | 10-16-2014 |
| 083816000 | With means to vary distance between pulley or sprocket axes | 4 |
| 20140260873 | SAW BLADE TENSION ADJUSTING APPARATUS FOR BAND SAW MACHINE - A saw blade tension adjusting apparatus of a band saw machine includes a retaining base, a movable base movably connected with the retaining base through two opposite sliding shafts, and a control unit having a handle and a cam connected with the handle so as to be driven to rotate between a tightening position and a loosening position. When the cam is located at the tightening position, the movable base is lifted by a large diameter portion of the cam to tighten the tension of a saw blade, and when the cam is located at the loosening position, the movable base is moved downwards to lean on a small diameter portion of the cam for loosening the tension of the saw blade. | 09-18-2014 |
| 083817000 | And angular relationship of axes | 1 |
| 20090126549 | BAND SAW AND METHOD OF SPATIALLY POSITIONING A BAND SAW BLADE - A band saw, a band saw assembly, and a method of spatially positioning a band saw blade are suggested. The band saw comprises a band saw blade against which a sawing material is adapted to be guided in a feed direction. A guide for the band saw blade has at least one magnet exerting a force on the band saw blade determining the spatial position thereof. The at least one magnet is adjustable in its force effect and the force is directed transversely to the feed direction. The guide, as viewed in the feed direction of the sawing material, has a front magnet and a rear magnet, the magnets facing a front area and a rear area, respectively, of the band saw blade. A method of spatially positioning a band saw blade is executed while a sawing material is guided against the band saw blade in a feed direction. A magnet force is exerted on the band saw blade. The magnet force, and thereby the position of the band saw blade is adjusted transversely to the feed direction. The magnet force, as viewed in the feed direction of the sawing material, is exerted on a front area and on a rear area of the band saw blade. | 05-21-2009 |
| 083818000 | Including means to yieldably bias pulley | 2 |
| 20090090231 | Band Saw Machine - A band saw machine is provided with a body frame, two wheels provided on the body frame and rotating by driving force on an inclined plane which is inclined to a basic plane which is flush with a cutting plane, a saw blade formed in loop and strained between the two wheels, a stabilizing member bringing a portion of the saw blade which runs around a cutting section which is fixed between the wheels and on an edge intersected the inclined plane with the basic plane close to the basic plane in near-parallel, and a depressing mechanism fixed up adjacent to the cutting section side of the stabilizing member to clear the gap between the saw blade and the basic plane. | 04-09-2009 |
| 083819000 | By fluid means | 1 |
| 20150027288 | BAND SAW MACHINE CAPABLE OF REGULATING BAND-SAW TENSION - A band saw machine includes a working bench, a driving wheel mounted to the working bench, a driven wheel mounted to the working bench, and a band saw running on the driving and driven wheels. A storage member and a hydraulic cylinder connected with the storage member are mounted to the working bench. The hydraulic cylinder includes a piston rod for pushing against the driven wheel to make the driven wheel tighten the band saw while moving relative to the driving wheel. A force sensor is mounted between the piston rod and the driven wheel for sensing the tension of the band saw and emitting a sensing signal to a control system. In this way, the control system can receive the sensing signal and controllably making the storage member supply oil to the cylinder body according to the sensing signal to force the piston rod to elongate. | 01-29-2015 |
| 083820000 | With special blade guide means | 23 |
| 20080302227 | Method For Straining and Steering of a Blade in a Saw Device and Steering and Straining Devices - A method to strain a sawing device blade ( | 12-11-2008 |
| 20090007748 | MOTORIZED SAW AND CLAMPING ELEMENT - A motorized saw has a guide rail which is arranged on at least one clamping stud and can be clamped in place between two bearing surfaces by clamping means. A clamping element is provided which is arranged on the clamping stud and in a locating opening of the guide rail and which fixes the guide rail in at least one radial direction of the clamping stud in the clamped state. A clamping element has at least one clamping surface which is formed at an end face of the clamping element and which encloses an angle of less than 90° with the longitudinal center axis of an opening of the clamping element. | 01-08-2009 |
| 20090078104 | Guide Plate of Chain Saw - A guide plate of a chain saw is disclosed and the guide plate comprises: a rectangular metal plate, which is constructed by a body shaped as a guide plate and an eliminated portion elongated around the peripheral of the body; wherein the two surfaces of the front end of the body are elongated to a boundary surface of the eliminated portion individually and corresponding to two indentations of an arc portion toward front, two welded welding powder structures are inside the two indentations so as to let the top surface and the bottom surface of the metal plate be two flat surfaces, the body is separated from the eliminated portion, the welded welding powder structures are disposed at the front edge of the front end of the body, a guide groove is disposed in between the two welded welding powder structures and toward the body. | 03-26-2009 |
| 20090100977 | Kerf cutting arrangement for a chain saw - A chain saw arrangement for cutting flat sides or kerfs on a round log or timber. The arrangement includes a chain saw housing at a first end of the chain saw. An elongated chain/blade supporting frame extends from the chain saw housing. A multi-tooth chain/blade is movably supported from the elongated frame. A support bracket is secured to one side of the elongated frame for providing restricted support of the chain/blade on a log or timber during cutting of a transverse kerf thereon. | 04-23-2009 |
| 20090173205 | Band saw apparatus - A band saw includes a drive wheel and a fixed, curved band saw guide surface having one or more tracks for one or more band saw continuous strips; lubricant openings in the tracks are accessed from a source of lubricant under pressure to reduce frictional resistance of the band saw moving over the guide surface. | 07-09-2009 |
| 20100005940 | ARTICULATING BAND SAW AND METHOD - An articulating band saw apparatus provides a frame that includes a vertically extending section having upper and lower end portions. An elevator moves between the upper and lower end portions of the frame. A first hydraulic actuator is supported on the elevator for movement therewith. A first arm provides arm end portions, the first arm supported by the first hydraulic actuator. An end of the first arm supporting a second hydraulic actuator that is spaced away from the first hydraulic actuator. The second hydraulic actuator supports a second arm. An endless band type saw is mounted on the free end of the second arm generally opposite the second actuator. The band saw is movable by articulation of the first and second actuators and resulting movement of the first and second arms. In one embodiment, the band saw is a diamond wire saw. | 01-14-2010 |
| 20100050847 | SAW GUIDE FOR A SAW BAND OR A SAW BLADE OF A SAWING MACHINE - A guide for a saw band or blade of a sawing machine is provided. The guide includes a bracket and high-strength sliders, which are mounted to a bracket for a lateral guide of the saw band or saw blade and which serve for gliding contact to a side face of the saw band or blade. The sliders are high-strength guide plates, provided with an edge upstream in reference to the direction of motion of the saw blade or saw band, which is at least partially arranged in a straight manner or with a constant curve, with the edge or its tangents extending tilted at an angle from approximately 0° to 90°, preferably from 20° to 70°, in reference to the direction of motion of the saw blade or the saw band. Furthermore, several guide plates are mounted to the bracket at a distance from each other, forming clear spaces. | 03-04-2010 |
| 20100175530 | WORKPIECE CUTTING METHOD AND BAND SAW MACHINE - A workpiece cutting method utilizing a band-saw machine, includes the following steps of: guiding tooth tips of an endless band-saw blade provided on the band-saw machine in a direction of a workpiece by a band-saw blade guiding apparatus; and applying vibrations to the band-saw blade in a cutting direction to the workpiece so as to perform cutting of the workpiece by a vibration applying unit provided on the band-saw blade guiding apparatus. | 07-15-2010 |
| 20100175531 | WORKPIECE CUTTING METHOD AND BAND-SAW MACHINE - A workpiece cutting method utilizing a band-saw machine, includes the following steps of: guiding tooth tips of an endless band-saw blade provided on the band-saw machine in a direction of a workpiece by a band-saw blade guiding apparatus; and applying vibrations to the band-saw blade in a cutting direction to the workpiece so as to perform cutting of the workpiece by a vibration applying unit provided on the band-saw blade guiding apparatus. | 07-15-2010 |
| 20100192747 | Band saw blade guide - A band saw blade guide comprised of a cylindrical chisel shaped member mounted at an oblique angle to a band saw blade. The blade guide adjusts the angle of the band saw blade by rotation of the guide about its axis. By rotating the guide about its axis, the angle of the chisel point guiding surface is changed thereby changing the angle of the blade. Further the blade may be guided by a single guide forced against one surface of the blade thereby eliminating the need for guides on both sides of the blade. | 08-05-2010 |
| 20110011234 | HAND-HELD BAND SAW - A powered hand-held band for cutting a work piece and a method for manufacture and use. The band saw includes alternate blade guides respectively for selectively using one of a first cutting path for cutting a work piece flush with respect to a work surface and a second cutting path for non-flush cuts. | 01-20-2011 |
| 20110072949 | ROTATING BLADE GUIDE ASSEMBLY - A rotating blade guide assembly includes a blade guide carrier and means for rotating the carrier from a first position to a second position. The support structure for the assembly provides a means of supporting the assembly in both positions while allowing an opening for the band to be inserted without twisting in the first position. The first position would be that blade orientation when the blade is placed about a pair of band wheels. The second position would be the blade orientation when the blade is rotated 90° to a cutting position. In this way, the orientation of the blade is changed when the blade guide carrier is rotated from the first position to the second position. The assembly further provides means for securing the blade guide carrier in the second position to provide accurate alignment and prevent rotation of the carrier during use. | 03-31-2011 |
| 20110185875 | SELF LOCKING ADJUSTABLE BLADE GUIDE FOR BAND SAW - An adjustable blade guide for a band saw such as a band saw on a sawmill utilized for sawing lumber. The blade guide is easily adjusted to account for variations in the diameter of the lumber to be cut, and is self locking. | 08-04-2011 |
| 20110296971 | BAND SAW - A band saw comprises a band saw blade moved along a running direction against which a sawing material is adapted to be guided in a feed direction. Moreover, guide means are provided for the band saw blade. The guide means have a plurality of magnet guide elements being adjustable in their force and exerting a force on the band saw blade for influencing its position in space. The magnet guide elements are positioned upstream or downstream of the sawing material and have at least two magnets one beside another, as seen along the running direction. | 12-08-2011 |
| 20120055312 | BAND SAW HAVING ADJUSTABLE BLADE GUIDE - A band saw has a housing, a pair of wheels rotatably disposed on the housing, a drive unit connected to one of the wheel, a continuous band saw blade supported by the wheels, and a guide movably attached to the housing. The guide is positioned to contact with the band saw blade in a thickness direction of the band saw blade in order to restrict movement of the band saw blade in its thickness direction. | 03-08-2012 |
| 20120204700 | METHOD OF HOLDING BAND SAW BLADE BY MEANS OF BAND SAW BLADE GUIDE DEVICE, AS WELL AS BAND SAW BLADE GUIDE DEVICE - In the process of holding a non-toothed section of a band saw blade between a fixed insertion block and a movable insertion block included in a band saw blade guide device, the movable insertion block is moved while a return allowing unit included in an insertion block moving unit is held in a returnable state, the insertion block moving unit configured to move the movable insertion block toward the fixed insertion block. The band saw blade is firmly held between the fixed insertion block and the movable insertion block. Thereafter, the entirety of the insertion block moving unit, including the return allowing unit, is fixed in an immovable state by a mechanical fixing unit. | 08-16-2012 |
| 20140251108 | CUTTING MACHINE - A cutting machine including an endless band knife, the band knife being guided in opposed directions in a revolution zone of the band knife forming a cutting zone, and including a first and a second deflecting device for deflecting and returning the band knife. The first and the second deflecting devices each deflect and return the band knife without a reverse bending cycle. | 09-11-2014 |
| 20140331845 | STABILIZATION DEVICE FOR A BLADE OF A SAW DEVICE - Stabilization device of the blade ( | 11-13-2014 |
| 20150068381 | SAW BAND GUIDING DEVICE - A saw band guiding device is comprised of a fixed insert holder comprising a fixed insert guide at a tip end portion of the fixed insert holder, the fixed insert guide guiding one side surface of a saw band; and a movable insert holder comprising a movable insert guide at a tip end portion of the movable insert holder, the movable insert guide being opposed to the fixed insert guide and guiding another side surface of the saw band, the movable insert holder being rotatable relative to the fixed insert holder, wherein the movable insert holder is provided to be regulated in directions where the movable insert holder gets closer to and away from the fixed insert holder so as to regulate a saw band guiding surface of the fixed insert guide and a saw band guiding surface of the movable insert guide to be parallel with each other. | 03-12-2015 |
| 20150114201 | BAND SAW - A band saw is includes a driving wheel and a driven wheel rotatably provided at a saw housing; an endless saw band made to run around the driving wheel and the driven wheel; and a plurality of saw band guiding devices for directing and guiding cutting edges of the saw band toward a direction of a workpiece to be cut. The saw band guiding devices are constructed to be movable in directions where one of the guiding devices gets closer to and away from another of the guiding devices, wherein each of the saw band guiding devices includes vibrating means for vibrating the saw band in a cutting direction relative to the workpiece. A pressure member holder including a plurality of pressure rollers or a pressure member for pressing a back surface of the saw band is provided in each of the saw band guiding devices. | 04-30-2015 |
| 20150321273 | BAND GUIDING DEVICE FOR A SAW BAND OF A MACHINE SAW - A band guiding device for a saw band of a machine saw, having sliding blocks | 11-12-2015 |
| 20160158856 | CFRP Saw Blade - During manufacture of a saw blade ( | 06-09-2016 |
| 20220134453 | TRUNNION MOUNTED BLADE GUIDE - The present invention relates to a blade guide and a blade guide assembly for adjusting an elongate blade of a sawmill, where the blade having a longitudinal axis. The blade guide includes a guide with a blade surface for lateral contact with the blade, a shaft extending from the guide, a shaft block having a bore extending therethrough, the bore dimensioned to slidably receive the shaft therethrough, and a trunnion block pivotably coupled to the shaft block about a pivot. The pivot is orientated generally parallel to the longitudinal axis of the blade, and the trunnion block is adapted to be securable to the sawmill. Thus, pivoting the shaft block and, thereby, the shaft relative to the trunnion block, causes the guide to pivot and angularly adjust the blade about the longitudinal axis. | 05-05-2022 |
