| IPC 7 English version |
| B23Q-B23Q00718 |
B23Q 9/00 - B23Q 41/08  |
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| SECTION B – PERFORMING OPERATIONS; TRANSPORTING |
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| 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) |
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| B 23 Q | DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING (tools of the kind used in lathes or boring machines B23B 27/00); MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT |
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| Notes |
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| (1) | In this subclass, groups designating parts of machine tools cover machine tools characterised by constructional features of such parts. |
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| (2) | In this subclass, the following terms or expressions are used with the meanings indicated: |
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| – | "controlling" means influencing a variable in any way, e.g. changing its direction or its value (including changing it to or from zero), maintaining it constant, limiting its range of variation; [3] |
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| – | "regulation" means maintaining a variable automatically at a desired value or within a desired range of values. The desired value or range may be fixed, or manually varied, or may vary with time according to a predetermined "programme" or according to variation of another variable. Regulation is a form of control; [3] |
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| – | "automatic control" is often used in the art as a synonym for regulation. [3] |
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| (3) | Attention is drawn to the Notes following the title of class B23. |
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| Subclass Index |
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| BASIC COMPONENTS OF MACHINE TOOLS |
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| DEVICES FOR SUPPORTING, HANDLING, OR FEEDING WORK OR TOOLS |
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| AUXILIARY EQUIPMENT, SAFETY DEVICES |
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| MEASURING; INDICATING; CONTROLLING |
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| Controlling the movements of the tool or work |
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| Indicating |
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| COPYING |
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| MACHINES COMPRISING UNITS OR SUB-ASSEMBLIES, TRANSFER MACHINES, ASSOCIATIONS OF MACHINES OR UNITS |
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1/ | 00 | Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members (B23Q 37/00 takes precedence) |
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1/ | 01 | . | Frames, beds, pillars or like members; Arrangement of ways [6] |
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1/ | 03 | . | Stationary work or tool supports (B23Q 1/70 takes precedence; auxiliary tables B23Q 1/74; tailstocks B23B 23/00) [6] |
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1/ | 25 | . | Movable or adjustable work or tool supports [6] |
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1/ | 26 | . | . | characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members [6] |
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1/ | 28 | . | . | . | Means for securing sliding members in any desired position [6] |
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1/ | 30 | . | . | . | controlled in conjunction with the feed mechanism [6] |
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1/ | 32 | . | . | . | Relative movement obtained by co-operating spherical surfaces, e.g. ball-and-socket joints [6] |
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1/ | 34 | . | . | . | Relative movement obtained by use of deformable elements, e.g. piezo-electric, magnetostrictive, elastic or thermally-dilatable elements (sensitive elements capable of producing movement or displacement for purposes not limited to measurement G12B 1/00) [6] |
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1/ | 36 | . | . | . | . | Springs [6] |
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1/ | 38 | . | . | . | using fluid bearings or fluid cushion supports [6] |
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1/ | 40 | . | . | . | using ball, roller or wheel arrangements [6] |
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1/ | 42 | . | . | . | using T-, V-, dovetail-section or like guides (B23Q 1/40 takes precedence) [6] |
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| Notes |
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| (1) | In groups B23Q 1/44 to B23Q 1/62, the following expressions are used with the meaning indicated: [6] |
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| – | "sliding pair" means a pair consisting of two elements operating in such a way that only straight line movement between both elements is possible; [6] |
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| – | "rotating pair" means a pair consisting of two elements operating in such a way that only rotary movement between both elements is possible; [6] |
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| – | "screw pair" means a pair consisting of two elements operating in such a way as to produce simultaneous rotation and axial translation between both elements. [6] |
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| (2) | In groups B23Q 1/44 to B23Q 1/62, where more than one pair of elements is provided on the same axis for the same kind of movement, the pairs are regarded as a single pair for the purposes of classification. [6] |
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1/ | 44 | . | . | using particular mechanisms (B23Q 1/26 takes precedence) [6] |
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1/ | 46 | . | . | . | with screw pairs [6] |
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1/ | 48 | . | . | . | with sliding pairs and rotating pairs (B23Q 1/46 takes precedence) [6] |
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1/ | 50 | . | . | . | with rotating pairs only [6] |
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1/ | 52 | . | . | . | . | a single rotating pair [6] |
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1/ | 54 | . | . | . | . | two rotating pairs only [6] |
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1/ | 56 | . | . | . | with sliding pairs only [6] |
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1/ | 58 | . | . | . | . | a single sliding pair [6] |
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1/ | 60 | . | . | . | . | two sliding pairs only [6] |
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1/ | 62 | . | . | . | . | . | with perpendicular axes, e.g. cross-slides [6] |
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1/ | 64 | . | . | characterised by the purpose of the movement (indexing equipment B23Q 16/02) [6] |
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1/ | 66 | . | . | . | Work-tables interchangeably movable into operating positions [6] |
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1/ | 68 | . | . | . | for withdrawing tool or work during reverse movement [6] |
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1/ | 70 | . | Stationary or movable members for carrying working-spindles for attachment of tools or work (headstocks or the like, working-spindle supports B23B 19/00; working-spindles B23B 19/02) [6] |
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1/ | 72 | . | Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements [6] |
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1/ | 74 | . | . | Auxiliary tables [6] |
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1/ | 76 | . | . | Steadies; Rests [6] |
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3/ | 00 | Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine (work-tables or other parts, e.g. faceplates, normally not incorporating means for securing work B23Q 1/00; automatic position control B23Q 15/00; rotary tool heads for turning-machines B23B 3/24, B23B 3/26; non-driven tool holders B23B 29/00; general features of turrets B23B 29/24; tools or bench devices for fastening, connecting, disengaging or holding B25B) |
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3/ | 02 | . | for mounting on a work-table, tool-slide, or analogous part (B23Q 3/15 takes precedence) |
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3/ | 04 | . | . | adjustable in inclination |
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3/ | 06 | . | . | Work-clamping means |
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3/ | 08 | . | . | . | other than mechanically-actuated |
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3/ | 10 | . | . | Auxiliary devices, e.g. bolsters, extension members |
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3/ | 12 | . | for securing to a spindle in general (B23Q 3/152 takes precedence; chucks B23B 31/02) |
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3/ | 14 | . | . | Mandrels in general (expansion mandrels B23B 31/40) |
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3/ | 15 | . | Devices for holding work using magnetic or electric force acting directly on the work |
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3/ | 152 | . | . | Rotary devices |
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3/ | 154 | . | . | Stationary devices |
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3/ | 155 | . | Arrangements for automatic insertion or removal of tools |
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3/ | 157 | . | . | of rotary tools |
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3/ | 16 | . | controlled in conjunction with the operation of the tool |
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3/ | 18 | . | for positioning only |
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5/ | 00 | Driving or feeding mechanisms; Control arrangements therefor (automatic control B23Q 15/00; copying B23Q 33/00, B23Q 35/00; specially adapted for boring or drilling machines B23B 39/10, B23B 47/02) |
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5/ | 02 | . | Driving main working members |
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5/ | 027 | . | . | reciprocating members [2] |
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5/ | 033 | . | . | . | driven essentially by fluid pressure [2] |
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5/ | 04 | . | . | rotary shafts, e.g. working-spindles |
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5/ | 06 | . | . | . | driven essentially by fluid pressure or pneumatic power |
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5/ | 08 | . | . | . | . | electrically controlled |
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5/ | 10 | . | . | . | driven essentially by electrical means |
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5/ | 12 | . | . | . | Mechanical drives with means for varying the speed ratio |
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5/ | 14 | . | . | . | . | step-by-step |
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5/ | 16 | . | . | . | . | infinitely-variable |
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5/ | 18 | . | . | . | . | Devices for preselecting speed of working-spindle |
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5/ | 20 | . | . | . | Adjusting or stopping working-spindles in a predetermined position |
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5/ | 22 | . | Feeding members carrying tools or work |
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5/ | 26 | . | . | Fluid-pressure drives [3] |
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5/ | 28 | . | . | Electric drives [3] |
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5/ | 32 | . | . | Feeding working-spindles (feeding working-spindle supports B23Q 5/34) [3] |
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5/ | 34 | . | . | Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission [3] |
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5/ | 36 | . | . | . | in which a servomotor forms an essential element [3] |
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5/ | 38 | . | . | . | feeding continuously [3] |
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5/ | 40 | . | . | . | . | by feed shaft, e.g. lead screw [3] |
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5/ | 42 | . | . | . | . | . | Mechanism associated with headstock [3] |
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5/ | 44 | . | . | . | . | . | Mechanism associated with the moving member [3] |
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5/ | 46 | . | . | . | . | with variable speed ratio [3] |
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5/ | 48 | . | . | . | . | . | by use of toothed gears [3] |
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5/ | 50 | . | . | . | feeding step by step [3] |
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5/ | 52 | . | . | Limiting feed movement |
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5/ | 54 | . | Arrangements or details not restricted to group B23Q 5/02 or group B23Q 5/22 respectively |
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5/ | 56 | . | . | Preventing backlash |
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5/ | 58 | . | . | Safety devices |
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7/ | 00 | Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting (incorporated in working-spindles B23B 13/00, B23B 19/02; for automatic or semi-automatic turning machines B23B 15/00) [2] |
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7/ | 02 | . | by means of drums or rotating tables or discs |
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7/ | 03 | . | by means of endless chain conveyers (B23Q 7/16 takes precedence) [2] |
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7/ | 04 | . | by means of grippers |
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7/ | 05 | . | by means of roller-ways (B23Q 7/16 takes precedence) [2] |
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7/ | 06 | . | by means of pushers |
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7/ | 08 | . | by means of slides or chutes |
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7/ | 10 | . | by means of magazines |
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7/ | 12 | . | Sorting arrangements |
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7/ | 14 | . | co-ordinated in production lines |
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7/ | 16 | . | Loading work on to conveyers; Arranging work on conveyers, e.g. varying spacing between individual workpieces [2] |
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7/ | 18 | . | . | Orienting work on conveyers [2] |
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 | B23Q 9/00 - B23Q 41/08 |
