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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)
Definition statement
This subclass/group covers:

Saws for sawing wood:

  • Wood saws characterised by the active element:
Relationship between large subject matter areas

Other large areas covering sawing are B23D 45/00-B23D 65/00 (sawing in general, sawing metal) and B28D 1/02 (sawing stone). B23D is the main entry for sawing. Precedence is given to B23D. Features not restricted to a particular type of saw are classified in B23D. However, such features are classified in B27B if a more specific entry exists in B27B, for example:

References relevant to classification in this subclass
This subclass/group does not cover:
Sawing in general (unless a more specific entry exists in B27B)
Constructional features of particular parts per se of sawing machines or sawing devices
Details or components, e.g. casings, bodies, of portable power-driven saws not particularly related to the operation performed
Safety guards or devices specially designed for wood saws
Sawing stone or stone-like materials
Sawing gems, jewels, crystals with discs or wheels
Sawing gems, jewels, crystals with blades or wires
Accessories specially adapted for use with machines for sawing of gems, jewels, crystals
Accessories specially adapted for use with machines or devices for sawing stone
Informative references
Attention is drawn to the following places, which may be of interest for search:
Saws specially adapted for pruning or debranching
Sawing apparatus specially adapted for felling trees
Meat or bone saws
Surgical saws
Saws for dentistry
Grinders for cutting-off
Auxiliary devices facilitating proper operation of wood saws
Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Feeding work
moving a workpiece into engagement with a saw blade while sawing
Conveying or transporting work
moving a workpiece before, after or between sawing operations
Discharging work
moving a workpiece away from a saw blade after sawing
Methods for subdividing trunks or logs essentially involving sawing (features of machines used, the relevant groups for the machines)
References relevant to classification in this group
This subclass/group does not cover:
Saw benches with non-feedable circular saw blades for cross-cutting laterally fed workpieces
Cross-cutting reciprocating saws with power drive
Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
Definition statement
This subclass/group covers:

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

Sawing machines working with circular {or cylindrical} saw blades (for length sawing of trunks B27B 7/00) ; Components or equipment therefor
References relevant to classification in this group
This subclass/group does not cover:
Sawing machines working with circular saw blades for length sawing of trunks
Machines for cutting through a work-piece with a tool having a rotational vector which is parallel to the surfaces generated by cutting
Circular saws combined with band or strap sawing machines specially designed for length cutting of trunks
Arrangements for adjusting the mutual distances of circular saw machines for lengthwise sawing of trunks
Slotting or mortising machines
Sawing machines working with circular saw blades, specially designed for length sawing of trunks
References relevant to classification in this group
This subclass/group does not cover:
Equipment for adjusting the mutual distance of circular wood saws in general
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)
References relevant to classification in this group
This subclass/group does not cover:
Details or components, e.g. casings, bodies, of portable power-driven saws not particularly related to the operation performed
Circular sawing machines for dividing plates in parts of determined size, e.g. panels
Cross-cut reciprocating saws with power drive; Appurtenances therefor
Definition statement
This subclass/group covers:

Saws with straight reciprocating saw blades.

Band or strap sawing machines (for length cutting of trunks B27B 15/00) ; Components or equipment therefor
References relevant to classification in this group
This subclass/group does not cover:
Band or strap sawing machines specially designed for length cutting of trunks
Devices for tensioning strap saw blades in general
Devices for guiding strap saw blades in general
Band or strap sawing machines specially designed for length cutting of trunks
Definition statement
This subclass/group covers:

Band or strap sawing machines specially designed for length cutting of trunks

Chain saws; Equipment therefor { (slotting or mortising machines equipped with chain cutters B27F 5/06) }
References relevant to classification in this group
This subclass/group does not cover:
Slotting or mortising machines equipped with chain cutters
Other reciprocating saws with power drive; Fret-saws
Definition statement
This subclass/group covers:
Saws with oscillating saw blades
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) }
References relevant to classification in this group
This subclass/group does not cover:
Fret saws with hand drive
Work benches, horses in general
Saws benches or saw bucks for chain saws
Saw guides
Other cutting of wood by non-rotary toothed tools; Tools therefor (cutting with hot wire B27M 1/06)
References relevant to classification in this group
This subclass/group does not cover:
Cutting with hot wire
Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees ( {B27B 29/00} , B27B 31/00 take precedence)
References relevant to classification in this group
This subclass/group does not cover:
Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines; travelling trunk or log carriages
Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
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)
References relevant to classification in this group
This subclass/group does not cover:
Safety guards or devices specially designed for wood saws
Constructional features of measuring devices
Devices for mitring wood
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) }
References relevant to classification in this group
This subclass/group does not cover:
Gripping, clamping, or holding devices, travelling carriages for other timber
Safety guards or devices specially designed for wood saws
Travelling trunk or log carriages for logs being held in a cantilever manner
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} )
References relevant to classification in this group
This subclass/group does not cover:
Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines; travelling trunk or log carriages
Arrangements for raising or lowering the feed rollers of gang saw mills
Driving mechanisms for the feed rollers of gang saw mills
Article or material handling devices associated with conveyers
Informative references
Attention is drawn to the following places, which may be of interest for search:
Devices for determining the axis of a trunk
Sawing tools for saw mills, sawing machines, or sawing devices
References relevant to classification in this group
This subclass/group does not cover:
Saw chains for slotting or mortising devices
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Last Modified: 10/11/2013