(0)B27B:0/2:
IPC6
SECTION B - PERFORMING OPERATIONS; TRANSPORTING
SAWS; COMPONENTS OR ACCESSORIES THEREFOR
B27B
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B 27

 WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL

B 27 B

 SAWS; COMPONENTS OR ACCESSORIES THEREFOR (saws specially adapted for pruning or debranching A 01 G 3/08; sawing apparatus specially adapted for felling trees A 01 G 23/091; features not restricted to a particular type of wood saw B 23 D, e.g. attaching saw blades B 23 D 51/00; machine tool frames, beds, pillars or like members, in general B 23 Q 1/01) [5]

 

 

 
 

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

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

3
/ 02 • with vertically-reciprocating saw frame  

3
/ 04 • • with multiple-blade saw frame  

3
/ 06 • • with side blade saw frame  

3
/ 08 • • • combined with a multiple-blade saw frame  

3
/ 10 • • Saw frames or guides therefor  

3
/ 12 • • Mechanisms for producing the reciprocating movement of the saw frame; Arrangements for damping vibration; Arrangements for counter-balancing (B 27 B 3/26 takes precedence)  

3
/ 14 • • Arrangements for raising or lowering the feed rollers  

3
/ 16 • • Driving mechanisms for the feed rollers  

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

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

3
/ 22 • with horizontally-reciprocating saw frame  

3
/ 24 • • Arrangements for raising and lowering the saw frame  

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

3
/ 28 • Components  

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

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

3
/ 34 • • • the stretching devices being actuated by fluid pressure  

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

3
/ 38 • • • Spacing bars; Spacing plates  

3
/ 40 • • Devices for adjusting the overhang of the saw  

Circular saws
 

 5
/ 00 Sawing machines working with circular saw blades (for length sawing of trunks B 27 B 7/00); Components or equipment therefor

5
/ 02 • characterised by a special purpose only  

5
/ 04 • • for edge trimming  

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

5
/ 065 • • • with feedable saw blades, e.g. arranged on a carriage [6]  

5
/ 07 • • • • the plate being positioned in a substantially vertical plane (B 27 B 5/075 takes precedence) [6]  

5
/ 075 • • • • characterised by having a plurality of saw blades, e.g. turning about perpendicular axes [6]  

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

5
/ 10 • Wheeled circular saws; Circular saws designed to be attached to tractors or other vehicles and driven by same  

5
/ 12 • Cylinder saws  

5
/ 14 • Rim-driven circular saws  

5
/ 16 • Saw benches (B 27 B 15/06 takes precedence)  

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

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  

5
/ 22 • • with non-feedable circular saw blade  

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

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

5
/ 29 • Details; Component parts; Accessories [2]  

5
/ 30 • • for mounting or securing saw blades or saw spindles  

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

5
/ 34 • • • Devices for securing a plurality of circular saw blades on a single saw spindle; Equipment for adjusting the mutual distance  

5
/ 36 • • • Mounting for swivelling or tilting the circular saw blade  

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  
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