B
SECTION B — PERFORMING OPERATIONS
  
SHAPING
 B27
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
 B27B
SAWS (specially adapted for pruning or branching A01G 3/08; features not restricted to a particular type of wood saw B23D, e.g. attaching saw blades B23D 51/00)
 B27B 1/00
Methods for subdividing trunks or logs essentially involving sawing (features of machines used, see the relevant groups for the machines)
 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 a multiple-blade saw frame
 B27B 3/10
·  ·  Saw frames and 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 - 
B27B 11/00
Circular saws
 B27B 5/00
Sawing machines working with circular 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
 B27B 5/06
·  ·  for dividing plates in parts of determined size, e.g. panels
 B27B 5/08
·  ·  for sawing with the saw blade abutting parallel against a surface to be smoothed
 B27B 5/10
·  Wheeled circular saws; Circular saws designed to be attached to tractors or other vehicles and driven by same
 B27B 5/12
·  Cylinder saws
 B27B 5/14
·  Rim-driven circular saws
 B27B 5/16
·  Saw benches (B27B 15/06 takes precedence)
 B27B 5/18
·  ·  with feedable circular saw blade, e.g. arranged on a carriage
 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 5/22
·  ·  with non-feedable circular saw blade
 B27B 5/24
·  ·  ·  the saw blade being adjustable according to depth or angle of cut
 B27B 5/26
·  ·  ·  the table being adjustable according to depth or angle of cut
 B27B 5/28
·  Components; Equipment, e.g. specially designed for controlling
 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 5/34
·  ·  ·  Devices for securing a plurality of circular saw blades on a single saw spindle; Equipment for adjusting the mutual distance
 B27B 5/36
·  ·  ·  Mounting for swivelling or tilting the circular saw blade
 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
 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
 B27B 9/00
Portable power-driven circular saws for manual operation
 B27B 9/02
·  Arrangements for adjusting the cutting depth or the amount of tilting
 B27B 9/04
·  Guiding equipment, e.g. for cutting panels
 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
 B27B 13/00 - 
B27B 15/00
Band or strap sawing machines
 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
 B27B 13/10
·  Guiding equipment for the band saw blade, e.g. guide rollers, back guides, side guides
 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
 B27B 17/02
·  Chain saws equipped with guide bar (B27B 17/06 takes precedence)
 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 17/10
·  ·  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 19/02
·  Sweep cutting saws, i.e. with a power-driven blade slow blade bilaterally chucked (B27B 19/10 takes precedence); Jig saws, i.e. with a power-driven saw blade unilaterally chucked
 B27B 19/04
·  ·  characterised by power drive, e.g. by electromagnetic drive
 B27B 19/06
·  ·  Stationary machines
 B27B 19/08
·  ·  Portable jig saws
 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 (B27B 19/14 takes precedence); Equipment for hand sawing, e.g. saw horses
 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 - 
B27B 33/00
Components or accessories for saws
 B27B 25/00
Feeding devices for timber in saw mills or sawing machines (B27B 29/00 takes 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
 B27B 27/08
·  arranged adjustably, not limited to only one of the groups B27B 27/02-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
 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), especially 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 29/10
·  ·  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)
 B27B 31/02
·  Loading equipment for travelling carriages
 B27B 31/04
·  Turning equipment
 B27B 31/06
·  Adjusting equipment, e.g. using optical projection
 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
 B27B 33/16
·  Saw wires; twisted saw strips
 B27B 33/18
·  Saw cylinders having a toothed front rim