WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B27B　SAWS; COMPONENTS OR ACCESSORIES THEREFOR (saws specially adapted for pruning or debranching A01G 3/08; sawing apparatus specially adapted for felling trees A01G 23/091; features not restricted to a particular type of wood saw B23D, e.g. attaching saw blades B23D 51/00; machine tool frames, beds, pillars or analogous members, in general B23Q 1/01)

B27B 1/00 Methods for subdividing trunks or logs essentially involving sawing (features of machines used, see the relevant groups for the machines)

B27B 1/002 ・{by cross-cutting (saw benches with non-feedable circular saw blades for cross-cutting laterally fed workpieces B27B 5/228; cross-cutting reciprocating saws with power drive B27B 11/00)}

B27B 1/005 ・{including the step of dividing the log into sector-shaped segments}

B27B 1/007 ・{taking into account geometric properties of the trunks or logs to be sawn, e.g. curvature}

B27B 3/00 Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks

B27B 3/02 ・with vertically-reciprocating saw frame

B27B 3/04 ・・with multiple- blade saw frame

B27B 3/06 ・・with side blade saw frame

B27B 3/08 ・・・combined with multiple-blade saw frame

B27B 3/10 ・・Saw frames or guides therefor

B27B 3/12 ・・Mechanisms for producing the reciprocating movement of the saw frame; Arrangements for damping vibration; Arrangements for counter-balancing (B27B 3/26 takes precedence)

B27B 3/14 ・・Arrangements for raising or lowering the feed rollers

B27B 3/16 ・・Driving mechanisms for the feed rollers

B27B 3/18 ・・Controlling equipment, e.g. for controlling the drive

B27B 3/20 ・・Equipment for guiding the sawn part of timber during machining, e.g. preventing faults due to torsional stress

B27B 3/22 ・with horizontally-reciprocating saw frame

B27B 3/24 ・・Arrangements for raising and lowering the saw frame

B27B 3/26 ・・Mechanisms for producing the reciprocating movement of the saw frame; Arrangements for damping vibrations; Arrangements for counter-balancing

B27B 3/28 ・Components

B27B 3/30 ・・Blade attachments, e.g. saw buckles; Stretching devices

B27B 3/32 ・・・the stretching devices being equipped with screw-threaded or wedging means

B27B 3/34 ・・・the stretching devices being actuated by fluid pressure

B27B 3/36 ・・Devices for adjusting the mutual distance of the saw blades

B27B 3/38 ・・・Spacing bars; Spacing plates

B27B 3/40 ・・Devices for adjusting the overhang of the saw

B27B 5/00 Sawing machines working with circular {or cylindrical} saw blades (for length sawing of trunks B27B 7/00); Components or equipment therefor

B27B 5/02 ・characterised by a special purpose only

B27B 5/04 ・・for edge trimming {(equipment for adjusting the mutual distance between the saw blades B27B 5/34)}

B27B 5/06 ・・for dividing plates in parts of determined size, e.g. panels

B27B 5/061 ・・・{Devices having saws perpendicular to each other (B27B 5/075 takes precedence)}

B27B 5/063 ・・・{Sawing travelling workpieces}

B27B 5/065 ・・・with feedable saw blades, e.g. arranged on a carriage

B27B 5/07 ・・・・the plate being positioned in a substantially vertical plane (B27B 5/075 takes precedence)

B27B 5/075 ・・・・characterised by having a plurality of saw blades, e.g. turning about perpendicular axes

B27B 5/08 ・・for sawing with the saw blade abutting parallel against a surface of the workpiece

B27B 5/10 ・Wheeled circular saws; Circular saws designed to be attached to tractors or other vehicles and driven by same {(saw assemblies designed to be mounted on or driven by tractors B27B 11/12)}

B27B 5/12 ・Cylinder saws {(B27C 1/007 takes precedence)}

B27B 5/14 ・Rim-driven circular saws

B27B 5/16 ・Saw benches (B27B 15/06 takes precedence)

B27B 5/165 ・・{Convertible sawing devices}

B27B 5/18 ・・with feedable circular saw blade, e.g. arranged on a carriage

B27B 5/181 ・・・{the saw blade being arranged underneath a work-table}

B27B 5/182 ・・・・{the saw blade performing a pivoting movement only}

B27B 5/184 ・・・・{the saw blade performing a rectilinear movement only}

B27B 5/185 ・・・{the saw blade being carried by a pivoted lever (B27B 5/181 and B27B 5/188 take precedence)}

B27B 5/187 ・・・{the saw blade being fitted on a movable carriage (B27B 5/181 takes precedence)}

B27B 5/188 ・・・{the saw blade being mounted on a hanging arm or at the end of a set of bars, e.g. parallelograms}

B27B 5/20 ・・・the saw blade being adjustable according to depth or angle of cut; Radial saws, i.e. sawing machines with a pivoted radial arm for guiding the movable carriage

B27B 5/201 ・・・・{Radial sawing machines; Machines having a saw blade on an extendable radial arm}

B27B 5/202 ・・・・{with the saw blade underneath a work-table}

B27B 5/203 ・・・・・{the saw blade performing a pivoting movement only}

B27B 5/205 ・・・・・{the saw blade performing a rectilinear movement only}

B27B 5/206 ・・・・{the saw blade being carried by a pivoted lever (B27B 5/208 takes precedence)}

B27B 5/207 ・・・・{the saw blade being fitted on a movable carriage}

B27B 5/208 ・・・・{the saw blade being mounted on a hanging arm or at the end of a set of bars, e.g. parallelograms}

B27B 5/22 ・・with non-feedable circular saw blade

B27B 5/222 ・・・{the saw blade being arranged underneath the work-table; Guiding arrangements for the work-table}

B27B 5/224 ・・・{the workpieces being fitted on a pivoting support}

B27B 5/226 ・・・{the workpieces being radially fed by means of a turning drum}

B27B 5/228 ・・・{Cross-cutting automatically laterally-fed travelling workpieces; Reducing lumber to desired lengths}

B27B 5/24 ・・・the saw blade being adjustable according to depth or angle of cut

B27B 5/243 ・・・・{the saw blade being arranged underneath the work-table (the circular saw blade arranged underneath a stationary work-table for sawing material in general B23D 45/06)}

B27B 5/246 ・・・・{End cutting of automatically laterally-fed travelling workpieces}

B27B 5/26 ・・・the table being adjustable according to depth or angle of cut

B27B 5/265 ・・・・{with the saw blade arranged underneath the work-table}

B27B 5/29 ・Details; Component parts; Accessories

B27B 5/30 ・・for mounting or securing saw blades or saw spindles

B27B 5/32 ・・・Devices for securing circular saw blades to the saw spindle

B27B 5/325 ・・・・{using fluid pressure means}

B27B 5/34 ・・・Devices for securing a plurality of circular saw blades on a single saw spindle; Equipment for adjusting the mutual distance {(arrangements for adjusting the mutual distances of circular saw machines for lengthwise sawing of trunks B27B 7/04)}

B27B 5/36 ・・・Mounting for swivelling or tilting the circular saw blade, {e.g. using an adjustable mounting (slotting or mortising machines B27F 5/02)}

B27B 5/38 ・・Devices for braking the circular saw blade or the saw spindle; Devices for damping vibrations of the circular saw blade, e.g. silencing {(B23D 47/005 takes precedence)}

B27B 7/00 Sawing machines working with circular saw blades, specially designed for length sawing of trunks

B27B 7/02 ・by making use of circular saws mounted substantially at right angles, e.g. vertically and horizontally

B27B 7/04 ・by making use of a plurality of circular saws mounted on a single spindle; Arrangements for adjusting the mutual distances {(equipment for adjusting the mutual distance of circular wood saws in general B27B 5/34)}

B27B 9/00 Portable power-driven circular saws for manual operation (details or components, e.g. handles, casings, of portable power-driven tools not particularly related to the operation performed B25F 5/00)

B27B 9/02 ・Arrangements for adjusting the cutting depth or the amount of tilting

B27B 9/04 ・Guiding equipment, e.g. for cutting panels {(circular sawing machines for dividing plates in parts of determined size, e.g. panels B27B 5/06)}

B27B 11/00 Cross-cut reciprocating saws with power drive; Appurtenances therefor

B27B 11/02 ・Arrangements for guiding the saw blade

B27B 11/04 ・・Supports able to be attached to the work

B27B 11/06 ・Arrangements for chucking the saw blade, with or without releasable transmission mechanisms for uncoupling the drive

B27B 11/08 ・Frames, pillars, or beds

B27B 11/10 ・Devices for clamping the work or holding same in position

B27B 11/12 ・Saw assemblies designed to be mounted on or driven by tractors {(circular saws designed to be attached to tractors or other vehicles and driven by same B27B 5/10)}

B27B 13/00 Band or strap sawing machines (for length cutting of trunks B27B 15/00); Components or equipment therefor

B27B 13/02 ・Frames; Pillars

B27B 13/04 ・Work-tables; Arrangements for tilting the band saw blade

B27B 13/06 ・Saw pulleys; Bearings therefor

B27B 13/08 ・Arrangements for stretching the band saw blade {(B23D 55/10 takes precedence)}

B27B 13/10 ・Guiding equipment for the band saw blade, e.g. guide rollers, back guides, side guides {(B23D 55/08 takes precedence)}

B27B 13/12 ・Lubricating devices specially designed for band saw blades

B27B 13/14 ・Braking devices specially designed for band sawing machines, e.g. acting after damage of the band saw blade

B27B 13/16 ・Accessories, e.g. for cooling the saw blade

B27B 15/00 Band or strap sawing machines specially designed for length cutting of trunks

B27B 15/02 ・with horizontally-guided saw blade, i.e. horizontal log band saw

B27B 15/04 ・with vertically-guided saw blade

B27B 15/06 ・in combined arrangement with circular saws for performing simultaneously several sawing procedures

B27B 15/08 ・with a plurality of band saw blades

B27B 17/00 Chain saws; Equipment therefor {(slotting or mortising machines equipped with chain cutters B27F 5/06)}

B27B 17/0008 ・{Means for carrying the chain saw, e.g. handles (B27B 17/0033 takes precedence)}

B27B 17/0016 ・{Devices to adapt the chain saw for other purposes, e.g. drilling}

B27B 17/0025 ・{Length measuring devices incorporated in the chain saw}

B27B 17/0033 ・{Devices for attenuation of vibrations}

B27B 17/0041 ・{Saw benches or saw bucks}

B27B 17/005 ・・{with the saw mounted on a carriage}

B27B 17/0058 ・・{with the saw being pivotally mounted}

B27B 17/0066 ・・{with the saw mounted upright}

B27B 17/0075 ・・{the workpiece being held in a cantilever manner}

B27B 17/0083 ・{Attachments for guiding or supporting chain saws during operation}

B27B 17/0091 ・{Wheeled chain saws; Chain saws mounted on or driven by vehicles, e.g. for sawing trees in situ}

B27B 17/02 ・Chain saws equipped with guide bar (B27B 17/06 takes precedence)

B27B 17/025 ・・{Composite guide bars, e.g. laminated, multisectioned; Guide bars of diverse material}

B27B 17/04 ・・Roller bearing guides

B27B 17/06 ・Chain saws mounted on a bow

B27B 17/08 ・Drives or gearings; Devices for swivelling or tilting the chain saw

B27B 17/083 ・・{Devices for arresting movement of the saw chain}

B27B 17/086 ・・{Angle drives}

B27B 17/10 ・・Transmission clutches specially designed for chain saws

B27B 17/12 ・Lubricating devices specially designed for chain saws

B27B 17/14 ・Arrangements for stretching the chain saw

B27B 19/00 Other reciprocating saws with power drive; Fret-saws

B27B 19/002 ・{Power-driven hand saws}

B27B 19/004 ・・{in which the saw blade is chucked at both ends}

B27B 19/006 ・{with oscillating saw blades; Hand saws with oscillating saw blades}

B27B 19/008 ・・{having a plurality of saw blades or saw blades having plural cutting zones}

B27B 19/02 ・Saws with a power- driven blade chucked at both ends or at one end only, e.g. jig saws, scroll saws (B27B 19/10 takes precedence)

B27B 19/04 ・・characterised by power drive, e.g. by electromagnetic drive

B27B 19/06 ・・Stationary machines

B27B 19/065 ・・・{hand-operated or foot-operated}

B27B 19/09 ・・portable

B27B 19/10 ・Fret-saws, i.e. with bilaterally chucked saw blade in a manually-guided bow

B27B 19/12 ・・with power drive

B27B 19/14 ・・with hand drive

B27B 21/00 Hand saws without power drive ({hand saws with oscillating saw blades,}B27B 19/14 takes precedence); Equipment for hand sawing, e.g. saw horses {(work benches B25H 1/00; saw guides B27B 11/02)}

B27B 21/02 ・Buck or hack saws

B27B 21/04 ・Cross-cut saws; Pad saws

B27B 21/06 ・Arrangements for stretching the saw blade

B27B 21/08 ・Arrangements of gauging or adjusting equipment on hand saws, e.g. for limiting the cutting depth

B27B 23/00 Other cutting of wood by non-rotary toothed tools; Tools therefor (cutting with hot wire B27M 1/06)

B27B 25/00 Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees ({B27B 29/00}, B27B 31/00 take precedence)

B27B 25/02 ・with feed and pressure rollers

B27B 25/04 ・with feed chains or belts

B27B 25/06 ・Resilient feeding or pressing accessories, e.g. pads, springs

B27B 25/08 ・Feeding devices able to be attached to any sawing machine

B27B 25/10 ・Manually-operated feeding or pressing accessories, e.g. pushers

B27B 27/00 Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon (safety guards or devices specially designed for wood saws B27G 19/00; constructional features of measuring devices G01B)

B27B 27/02 ・arranged laterally and parallel with respect to the plane of the saw blade

B27B 27/04 ・arranged perpendicularly to the plane of the saw blade

B27B 27/06 ・arranged angularly with respect to the plane of the saw blade, e.g. for mitring {(devices for mitring wood B27G 5/00)}

B27B 27/08 ・arranged adjustably, not limited to only one of the groups B27B 27/02 to B27B 27/06

B27B 27/10 ・Devices for moving or adjusting the guide fences or stops

B27B 29/00 Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines (for other timber, see the relevant groups for the machines; safety guards or devices specially designed for wood saws B27G 19/00); Travelling trunk or log carriages {(for logs being held in a cantilever manner B27B 17/0075)}

B27B 29/02 ・Clamping angles; Gripping equipment thereon

B27B 29/04 ・Trunk or log carriages with gripping means which do not pass the saw blade(s), specially for gang saws; Arrangement of gripping accessories thereon

B27B 29/06 ・・Auxiliary trunk or log carriages for carrying initially the log to the feed rollers or for carrying the sawn part of the log

B27B 29/08 ・Trunk or log carriages with gripping means designed to pass the saw blade(s), especially for band saws; Arrangement of gripping accessories thereon; Turning devices thereon

B27B 29/085 ・・{Turning devices thereon}

B27B 29/10 ・・Assemblies for laterally adjusting or controlling the clamping or turning devices with respect to the thickness of the board to be sawn

B27B 31/00 Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines(B27B 29/00 takes precedence; {arrangements for raising or lowering the feed rollers of gang saw millsB27B 3/14 ; driving mechanisms for the feed rollers of gang saw millsB27B 3/16})

B27B 31/003 ・{with rollers}

B27B 31/006 ・{with chains or belts}

B27B 31/02 ・Loading equipment for travelling carriages

B27B 31/04 ・Turning equipment {(turning devices on trunk or log carriages B27B 29/08)}

B27B 31/06 ・Adjusting equipment, e.g. using optical projection {(see also B27L 5/022)}

B27B 31/08 ・Discharging equipment

B27B 33/00 Sawing tools for saw mills, sawing machines, or sawing devices

B27B 33/02 ・Structural design of saw blades or saw teeth

B27B 33/04 ・・Gang saw blades

B27B 33/06 ・・Band saw blades

B27B 33/08 ・・Circular saw blades

B27B 33/10 ・・Hand saw blades

B27B 33/12 ・・Saw blades having inserted or exchangeably arranged bits or toothed segments

B27B 33/14 ・Saw chains {(saw chains for slotting or mortising devices B27F 5/08)}

B27B 33/141 ・・{with means to control the depth of cut}

B27B 33/142 ・・{Cutter elements}

B27B 33/144 ・・・{having cutting inserts or exchangeable cutting teeth}

B27B 33/145 ・・・{having plural teeth on a single link}

B27B 33/147 ・・{with incorporated lubricating means}

B27B 33/148 ・・{with means permitting replacement of cutter elements}

B27B 33/16 ・Saw wires; Twisted saw strips

B27B 33/20 ・Edge trimming saw blades or tools combined with means to disintegrate waste