IPC 7 English version G01B !A-G01B 7/34

IPC ⁷ English version

G-G01B00734

G01B 9/00 - G01B 121:26

SECTION G – PHYSICS

G 01

MEASURING (counting G06M); TESTING

G 01 B

MEASURING LENGTH, THICKNESS, OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS (measuring human body, see the relevant places, where such exist, e.g. A41H 1/00, A43D 1/02, A61B 5/103; measuring appliances combined with walking-sticks A45B 3/08; sorting according to dimensions B07; methods or devices for measuring, specially adapted for metal-rolling mills B21B 38/00; tool-setting or drawing instruments not specially modified for measuring B23B 49/00, B23Q 15/00 to B23Q 17/00, B43L; measuring or gauging equipment specially adapted for grinding or polishing operations B24B 49/00; combinations of measuring devices with writing-implements B43K 29/08; geodetical, nautical or aeronautical measuring, surveying, rangefinding G01C; photogrammetry G01C 11/00; measuring force or stress, in general G01L 1/00; investigating or analysing surface structures in atomic ranges using scanning-probe techniques G01N 13/00; investigating or analysing particle size, investigating or analysing surface area of porous material G01N 15/00; radio direction-finding, determining distance or velocity by use of propagation effects, e.g. Doppler effect, propagation time, of radio waves, analogous arrangements using other waves G01S; geophysical measuring G01V; measuring length or roll diameter of film in cameras or projectors G03B 1/60; combinations of measuring devices with means for controlling or regulating G05; methods or arrangements for converting the position of a manually-operated writing or tracing member into an electrical signal G06K 11/00; measuring elapsed travel of recording medium in recording or playback equipment, sensing diameter of record in autochange gramophones G11B; details of scanning-probe apparatus, in general G12B 21/00; means structurally associated with electric rotary current collectors for indicating brush wear H01R 39/58; indicating consumption of electrodes in arc lamps H05B 31/34)

Notes

(1)

This subclass covers measuring of position or displacement in terms of linear or angular dimensions. [4]

(2)

In this subclass, the groups are distinguished by the means of measurement which is of major importance. Thus the mere application of other means for giving a final indication does not affect the classification.

(3)

Attention is drawn to the Notes following the title of class G01.

(4)

Machines operated on similar principles to the hand-held devices specified in this subclass are classified with these devices.

Subclass Index

MEASURING DEVICES CHARACTERISED BY THE MATERIAL

G01B 1/00

PREDOMINANT METHODS USED IN MEASURING DEVICES

Mechanical

G01B 3/00, G01B 5/00

Electric or magnetic

G01B 7/00

By fluids

G01B 13/00

By light waves; by other electro-magnetic waves or radiation

G01B 9/00, G01B 11/00; G01B 15/00

By sonic waves

G01B 17/00

OTHER MEASURING ARRANGEMENTS

G01B 21/00

Measuring instruments characterised by the selection of material therefor

Instruments as specified in the subgroups and characterised by the use of mechanical measuring means (arrangements for measuring particular parameters G01B 5/00; devices of general interest specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material B65H 75/34) [2]

Rulers or tapes with scales or marks for direct reading

rigid

folding

extensible

flexible

Chains for measuring length

Measuring wheels

Templates for checking contours

Compasses, i.e. with a pair of pivoted arms

Micrometers

Slide gauges

Feeler-pin gauges, e.g. dial gauges (for measuring contours or curvatures G01B 5/20)

with open yoke, i.e. calipers

Plug gauges

Depth gauges

Bars, blocks, or strips in which the distance between a pair of faces is fixed, although it may be preadjustable, e.g. end measure, feeler strip

Holders therefor

Ring or other apertured gauges, e.g. "go/no-go" gauge

for external screw threads

Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable

for external screw threads

of limit-gauge type, i.e. "go/no-go" (G01B 3/40 takes precedence)

preadjustable for wear or tolerance

Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable

for internal screw threads

of limit-gauge type, i.e. "go/no-go" (G01B 3/48 takes precedence)

preadjustable for wear or tolerance

Gauges for measuring angles or tapers, e.g. conical calipers

Note

In groups G01B 5/00 to G01B 21/00, it is desirable to add the indexing codes of groups G01B 101:00 to G01B 121:00. The indexing codes should be unlinked. [6]

Measuring arrangements characterised by the use of mechanical means (instruments of the types covered by group G01B 3/00 per se G01B 3/00) [2]

004

for measuring coordinates of points [6]

008

using coordinate measuring machines [6]

012

Contact-making feeler heads therefor [6]

016

Constructional details of contacts [6]

for measuring length, width, or thickness (G01B 5/004, G01B 5/08 take precedence) [6]

specially adapted for measuring length or width of objects while moving

for measuring thickness

for measuring diameters

of objects while moving

internal diameters

for measuring distance or clearance between spaced objects or spaced apertures (G01B 5/24 takes precedence)

between a succession of regularly spaced objects or regularly spaced apertures

for measuring depth

for measuring contours or curvatures

207

using a plurality of fixed, simultaneously operating transducers (G01B 5/213 to G01B 5/22 take precedence) [6]

213

for measuring radius of curvature [6]

Spherometers

for measuring angles or tapers; for testing the alignment of axes

245

for testing perpendicularity [6]

for testing the alignment of axes

252

for measuring eccentricity, i.e. lateral shift between two parallel axes [6]

255

for testing wheel alignment

for measuring areas, e.g. planimeter (integrators in general G06G)

for measuring roughness or irregularity of surfaces

for measuring the deformation in a solid, e.g. mechanical strain gauge

Measuring arrangements characterised by the use of electric or magnetic means

004

for measuring coordinates of points [6]

008

using coordinate measuring machines [6]

012

Contact-making feeler heads therefor [6]

016

Constructional details of contacts [6]

for measuring length, width, or thickness (G01B 7/004, G01B 7/12 takes precedence) [6]

specially adapted for measuring length or width of objects while moving

for measuring thickness

for measuring diameters

Internal diameters [6]

for measuring distance or clearance between spaced objects or spaced apertures (G01B 7/30 takes precedence)

being regularly spaced [6]

for measuring the deformation in a solid, e.g. by resistance strain gauge

using change in magnetic properties