United States Patent and Trademark Office

Outline		Indent Level
Color		Curly Brackets (indicating CPC extensions to IPC)

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	CPC	COOPERATIVE PATENT CLASSIFICATION

B27G

ACCESSORY MACHINES OR APPARATUS; TOOLS; SAFETY DEVICES e.g. THOSE FOR SAWS (clamping devices for mitre joints, presses for producing frames, press frames, or cages equipped with clamping devices B25B; woodworkers` benches B25H)

WARNING

The following IPC groups are not used in the CPC scheme. Subject matter covered by these groups is classified in the following CPC groups:

B27G17/08 covered by B25D 3/00

B27G 1/00

Machines or devices for removing knots or other irregularities or for filling-up holes

{

filling up cracks or holes in a veneer cutting block B27L 5/00; caulking decks B63B 5/065

}

B27G 3/00

Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants

{

B23Q 11/0042 takes precedence

}

B27G 5/00

Machines or devices for working mitre joints with even abutting ends (with tenon or like connections B27F)

{

making mitre joints with uneven abutting ends B27F 1/005

}

B27G 5/02

for sawing mitre joints; Mitre boxes (guide fences for timber in sawing machines B27B 27/06)

B27G 5/023

. .

{

the mitre angle being adjusted by positioning a workpiece relative to a fixed saw

}

B27G 5/026

. .

{

Mitre boxes

}

B27G 5/04

for planing, cutting, shearing, or milling mitre joints

B27G 11/00

Applying adhesives or glue to surfaces of wood to be joined (applying liquids, e.g. liquid adhesives, to surfaces in generalB05C,B05D; adhesive processesC09J5/00; associated with particular wood-working,seethe relevant subclasses)

B27G 11/005

{

Glue guns, glue sprayers

}

B27G 11/02

Glue vessels; Apparatus for warming or heating glue

Guide Heading:

Tools (sawing tools B27B 33/00; tools for slotting or mortising machines B27F 5/00; tools for the manufacture of wood shavings, chips, powder, or the like B27L 11/00)

B27G 13/00

Cutter blocks; Other rotary cutting tools (B27G 15/00, B27G 17/00 take precedence)

B27G 13/002

{

Rotary tools without insertable or exchangeable parts, except the chucking part

}

B27G 13/005

{

Tools composed of two or more rotating discs

}

B27G 13/007

. .

{

which are adjustable relatively to each other (B23Q 17/2283 takes precedence)

}

B27G 13/02

in the shape of long arbors, i.e. cylinder cutting blocks (B27G 13/12 takes precedence)

B27G 13/04

. .

Securing the cutters by mechanical clamping means

B27G 13/06

. .

Securing the cutters by fluid-pressure clamping means

B27G 13/08

in the shape of disc-like members; Wood-milling cutters (B27G 13/12 takes precedence)

B27G 13/10

. .

Securing the cutters, e.g. by clamping collars

B27G 13/12

for profile cutting

B27G 13/14

. .

for cutting grooves or tenons

B27G 13/16

. .

for rounding rods, e.g. dowels

B27G 15/00

Boring or turning tools; Augers

B27G 15/02

Drills for undercutting holes

B27G 17/00

Manually-operated tools

B27G 17/02

Hand planes (equipped with power-driven cutter blocks B27C 1/10)

B27G 17/025

. .

{

for forming profiles on wood; for trimming or chamfering edges

}

B27G 17/04

Spokeshaves; Scrapers

B27G 17/06

Rasps

B27G 19/00

Safety guards or devices specially designed for wood saws (in general F16P); Auxiliary devices facilitating proper operation of wood saws

B27G 19/003

{

for chain saws (braking devices B27B 17/08)

}

B27G 19/006

{

for reciprocating saws

}

B27G 19/02

for circular saws

B27G 19/04

. .

for manually-operated power-driven circular saws

B27G 19/06

for band or strap saws

B27G 19/08

Accessories for keeping open the saw kerf, e.g. riving knives, wedge plates

B27G 19/10

Measures preventing splintering of sawn portions of wood

B27G 21/00

Safety guards or devices specially designed for other wood-working machines

{

auxiliary devices facilitating proper operation of said wood-working machines

}

B27G 23/00

Gauging means specially designed for adjusting of tools or guides, e.g. adjusting cutting blades in cutter blocks (

{

B23Q 17/22 takes precedence; boring templates B23B 49/02

}

; for guides of sawing machines B27B 27/00)