Instruments as specified in the subgroups and characterised by the use of mechanical measuring means

GPHYSICS G01Measuring instruments G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS

G01B3/00Instruments as specified in the subgroups and characterised by the use of mechanical measuring means

G01B3/002Details G01B3/004Scales; Graduations G01B3/006having both coarse and fine graduation G01B3/008Arrangements for controlling the measuring force G01B3/02Rulers or tapes with scales or marks for direct reading G01B3/04rigid G01B3/06folding G01B3/08extensible G01B3/10flexible G01B3/1002Tape measures without casings G01B3/1005Braking or locking members, i.e. means for preventing rotation or the tape or for holding the tape at a certain position; Damping means, i.e. means for absorbing shock due to rewinding of the tape; Winding mechanisms G01B3/1041Casings G01B3/1056End-hooks; Attachment of end-hooks to the tape; Distal and proximal ends of the tape G01B3/1061Means for reading or displaying length measurement G01B3/1071External support or attachment means G01B3/1082Details of the tape per se G01B3/1084Particular applications of tape measures or special adaptations thereto G01B3/11Chains for measuring length G01B3/12Measuring wheels G01B3/14Templates for checking contours G01B3/16Compasses G01B3/163without measuring scale G01B3/166provided with a measuring scale G01B3/18Micrometers G01B3/20Slide gauges G01B3/205provided with a counter for digital indication of the measured dimension G01B3/22Feeler-pin gauges G01B3/24with open yoke G01B3/26Plug gauges G01B3/28Depth gauges G01B3/30Bars, blocks, or strips in which the distance between a pair of faces is fixed, although it may be preadjustable G01B3/303pre-adjustable G01B3/306with inclined slide plane G01B3/32Holders therefor G01B3/34Ring or other apertured gauges G01B3/36for external screw-threads G01B3/38Gauges with an open yoke and opposed faces G01B3/40for external screw-threads G01B3/42of limit-gauge type G01B3/44preadjustable for wear or tolerance G01B3/46Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable G01B3/48for internal screw-threads G01B3/50of limit-gauge type G01B3/52preadjustable for wear or tolerance G01B3/56Gauges for measuring angles or tapers G01B3/563Protractors G01B3/566Squares