IPC 7 English version B23B 29/00-B23B 51/14

B23B02900-B23B05114

SECTION B – PERFORMING OPERATIONS; TRANSPORTING

B 23

MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR (punching, perforating, making articles by processing sheet metal, tubes, or profiles B21D; wire-working B21F; making pins, needles, or nails B21G; making chains B21L; grinding B24)

B 23 B

TURNING; BORING (arrangements for copying or controlling B23Q)

29/

Holders for non-rotary cutting tools (B23B 27/12 takes precedence); Boring bars or boring heads; Accessories for tool holders

29/

Boring bars

29/

Boring heads

29/

034

with tools moving radially, e.g. for making chamfers or undercuttings [4]

29/

Tool holders for a single cutting tool

29/

Tool holders equipped with longitudinally- arranged grooves for setting the cutting tool

29/

Tool holders equipped with grooves arranged crosswise to the longitudinal direction for setting the cutting tool

29/

with adjustable counterbase for the cutting tool

29/

Special arrangements on tool holders

29/

affording a yielding support of the cutting tool, e.g. by spring clamping

29/

for supporting the workpiece in a backrest

29/

for retracting the cutting tool

29/

for placing same by shanks in sleeves of a turret

29/

for tool adjustment by means of shims or spacers

29/

Tool holders for a plurality of cutting tools, e.g. turrets

29/

Tool holders in fixed position

29/

Turrets manually adjustable about a vertical pivot

29/

Turrets manually adjustable about a horizontal pivot

29/

Turrets adjustable by power drive, i.e. turret heads

29/

Turrets equipped with triggers for releasing the cutting tools

31/

Chucks; Expansion mandrels; Adaptations thereof for remote control ( devices for securing work or tools to spindles in general B23Q 3/12; rotary devices holding by magnetic or electrical force acting directly on work B23Q 3/152)

31/

Chucks

31/

Features relating to the removal of tools or work; Accessories therefor

31/

Ejector wedges [5]

31/

holding tools or work yieldably

31/

characterised by the retaining or gripping devices or their immediate operating means

Note

Group B23B 31/12 takes precedence over groups B23B 31/103 to B23B 31/117. [5]

31/

103

Retention by pivotal elements, e.g. catches, pawls [5]

31/

107

Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls [5]

31/

Retention by threaded connection [5]

31/

113

Retention by bayonet connection [5]

31/

117

Retention by friction only, e.g. using springs, resilient sleeves, tapers [5]

31/

Chucks with simultaneously-acting jaws, whether or not also individually adjustable

31/

involving the use of centrifugal force

31/

moving radially

31/

163

actuated by one or more spiral grooves [5]

31/

165

actuated by screw-and-nut mechanisms [5]

31/

167

actuated by oblique racks [5]

31/

169

actuated by toothed gearing (B23B 31/167 takes precedence) [5]

31/

171

actuated by a cam surface in a radial plane [5]

31/

173

actuated by coaxial conical surfaces (B23B 31/177 takes precedence) [5]

31/

175

actuated by levers moved by a coaxial control rod [5]

31/

177

actuated by the oblique surfaces of a coaxial control rod (B23B 31/167 takes precedence) [5]

31/

pivotally movable in planes containing the axis of the chuck

31/

moving parallel to the axis of the chuck

31/

Longitudinally-split sleeves, e.g. collet chucks

31/

Jaws in the form of balls

31/

characterised by features relating primarily to remote control of the gripping means

31/

using mechanical transmission through the working-spindle

31/

using electric or magnetic means in the chuck

31/

using fluid-pressure means in the chuck

31/

with jaws carried by diaphragm

31/

with means enabling the workpiece to be reversed or tilted

31/

with means for adjusting the chuck with respect to the working-spindle

31/

with overload clutches

31/

Jaw changers [5]

31/

Expansion mandrels

31/

characterised by features relating primarily to remote control of the gripping means

33/

Drivers; Driving centres; Nose clutches, e.g. lathe dogs

Boring; Drilling (for surgical purposes A61B 17/16; in metal using electric current B23H 9/14; by laser beam B23K 26/00; earth or rock drilling E21B) [3]

35/

Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods

37/

Boring by making use of vibrations of ultrasonic frequency (working materials by subjecting the grinding tools or the abrading medium to vibration, e.g. grinding with ultrasonic frequency, B24B 1/04)

39/

General-purpose boring or drilling machines or devices; Sets of boring or drilling machines

39/

Boring machines; Combined horizontal boring and milling machines

39/

Co-ordinate boring or drilling machines; Machines for making holes without previous marking

39/

Equipment for positioning work

39/

Devices for programme control

39/

characterised by the drive, e.g. by fluid-pressure drive, pneumatic power drive

39/

Radial drilling machines

39/

with special provision to enable the machine or the drilling or boring head to be moved into any desired position, e.g. with respect to immovable work

39/

Drilling machines with a plurality of working-spindles; Drilling automatons

39/

Setting work or tool carrier along a straight index line

39/

Setting work or tool carrier along a circular index line; Turret head drilling machines

39/

with working-spindles in opposite headstocks

39/

designed for programme control

39/

in which the working position of tool or work is controlled by copying discrete points of a pattern (features of copying devices B23Q 35/02)

39/

Associations of only boring or drilling machines directed to a particular metal-working result (if not producing a particular metal-working result B23Q 39/00)

41/

Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor

41/

for boring deep holes; Trepanning, e.g. of gun or rifle barrels

41/

for boring polygonal or other non-circular holes

41/

for boring conical holes

41/

for boring, drilling, or tapping holes in tubes under fluid or gas pressure (sealing features or operations, combined with placing branch parts F16L 41/04)

41/

for boring holes in steam boilers

41/

for forming working surfaces of cylinders, of bearings, e.g. in heads of driving rods, or of other engine parts

41/

for very small holes

41/

for boring holes with high-quality surface

43/

Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool (if specially adapted for particular work B23B 41/00)

43/

to the tailstock of a lathe

45/

Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00) [4]

45/

driven by electric power

45/

driven by fluid-pressure or pneumatic power

45/

driven by man-power

45/

for drilling rails or profiled stock

45/

by using a fiddle bow or a belt

45/

by using a ratchet brace

45/

Means for holding or guiding the drilling device or for securing it to the work (B23B 41/08 takes precedence); Thrust stands

45/

with superimposed percussive action (portable percussive machines with superimposed rotation B25D 16/00) [3]

Components or accessories for boring or drilling machines

47/

Constructional features of components specially designed for boring or drilling machines; Accessories therefor (working-spindles, bearing sleeves therefor B23B 19/02; for machine tools in general B23Q)

47/

Drives; Gearings (B23B 39/10 takes precedence)

47/

for rotating the working-spindle

47/

driven essentially by electrical means

47/

driven essentially by fluid-pressure or pneumatic power

47/

equipped with turbines or other rotating machines

47/

equipped with oscillating pistons

47/

Change-speed gearings; Reversing gearings

47/

Belt or chain drives

47/

for feeding or retracting tool or work

47/

actuated essentially by electric power

47/

actuated essentially by fluid-pressure or pneumatic power

47/

Stops or feed interruption owing to fracture or overload of the boring or drilling tool

47/

Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor

47/

Drill jigs for workpieces (equipment for setting or guiding the drill B23B 49/00)

47/

Additional gear with one or more working-spindles attachable to the main working-spindle and mounting the additional gear

47/

Arrangements for preventing the running-out of drills or fracture of drills when getting through

47/

Arrangements for removing chips out of the holes made; Chip-breaking arrangements attached to the tool

49/

Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centring devices for holes to be bored (marking-out equipment B25H 7/00; measuring devices, gauges G01B)

49/

Boring templates or bushings

49/

Devices for boring or drilling centre holes in workpieces

49/

Devices for drilling holes in brake bands or brake linings

51/

Tools for drilling machines

51/

Twist drills

51/

for trepanning

51/

for cutting discs from sheet [4]

51/

Drills with lubricating or cooling equipment

51/

Drills combined with tool parts or tools for performing additional working

51/

Bits for countersinking

51/

Adapters for drills or chucks; Tapered sleeves

51/

Adapters for broken drills

B23 - B23B 27/24