GB1347736A - Device for measuring bores - Google Patents

Device for measuring bores

Info

Publication number
GB1347736A
GB1347736A GB1347736DA GB1347736A GB 1347736 A GB1347736 A GB 1347736A GB 1347736D A GB1347736D A GB 1347736DA GB 1347736 A GB1347736 A GB 1347736A
Authority
GB
United Kingdom
Prior art keywords
spring
housing
measuring
leaf
bores
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB1347736A publication Critical patent/GB1347736A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
    • G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

1347736 Measuring bores: measuring bores electrically J PERTHEN 19 Nov 1971 53981/71 Heading G1M and G1N A device for measuring long bores comprises a feeler mechanism mounted in a housing 5, and a pair of rotatable centring bodies 7, 8 mounted on the housing 5. Centring body 7 is rotatably mounted on housing 5 by means of ball bearings 6 and comprises three contact members 9 Fig. 2, (not shown) each mounted on a leaf-spring 10. Each leaf-spring 10 has a pin 14 engaging an adjustment member 13 connected via a spring 12 to adjustment screw 11. Centring body 8 comprises a sleeve rotatably mounted on spindle 3a of housing 5, and three contact members 15 Fig. 3, (not shown) each mounted on a spring and adjustable by means of ring 16. The feeler mechanism comprises a pair of feeler pins 17, 18 mounted on measuring arms 21, 22 which are articulated to each other by spring 23. Arm 21 is mounted on block 3 of housing 5 by means of leaf-spring 28. The relative disposition of arms 21, 22 may be measured inductively by means of coil systems 24, 25 and ferromagnetic bodies 26, 27, or by a capacitative system.
GB1347736D 1971-11-19 1971-11-19 Device for measuring bores Expired GB1347736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5398171 1971-11-19

Publications (1)

Publication Number Publication Date
GB1347736A true GB1347736A (en) 1974-02-27

Family

ID=10469583

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1347736D Expired GB1347736A (en) 1971-11-19 1971-11-19 Device for measuring bores

Country Status (1)

Country Link
GB (1) GB1347736A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018826A1 (en) * 1979-05-02 1980-11-12 The Babcock & Wilcox Company Apparatus for inspecting a heat exchanger tube
GB2313670A (en) * 1996-05-29 1997-12-03 Aeronautical General Instr Assessing warpage and diameter of the inside of a gun barrel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018826A1 (en) * 1979-05-02 1980-11-12 The Babcock & Wilcox Company Apparatus for inspecting a heat exchanger tube
GB2313670A (en) * 1996-05-29 1997-12-03 Aeronautical General Instr Assessing warpage and diameter of the inside of a gun barrel
GB2313670B (en) * 1996-05-29 2000-11-29 Aeronautical General Instr Assessing warpage and diameter of the inside of a rifled gun barrel

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee