GB755989A - Improvements in callipers - Google Patents

Improvements in callipers

Info

Publication number
GB755989A
GB755989A GB573454A GB573454A GB755989A GB 755989 A GB755989 A GB 755989A GB 573454 A GB573454 A GB 573454A GB 573454 A GB573454 A GB 573454A GB 755989 A GB755989 A GB 755989A
Authority
GB
United Kingdom
Prior art keywords
pivot
limbs
limb
feb
pair
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
GB573454A
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.)
STEPHEN SILVESTER LANCEFIELD
Original Assignee
STEPHEN SILVESTER LANCEFIELD
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 STEPHEN SILVESTER LANCEFIELD filed Critical STEPHEN SILVESTER LANCEFIELD
Priority to GB573454A priority Critical patent/GB755989A/en
Publication of GB755989A publication Critical patent/GB755989A/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
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/16—Compasses, i.e. with a pair of pivoted arms

Abstract

755,989. Callipers. LANCEFIELD, S. S. Feb. 23, 1955 [Feb. 26, 1954], No. 5734/54. Class 106 (2). A calliper gauge comprises two crossed arms pivoted together, each arm being suitably bent on each side of the pivot P so as to provide one limb 1, 4, 5 of an outside calliper on each side of the pivot P, the distances from the pivot to the measuring face of each limb being equal and the limbs 4, 5 on at least one side of the pivot being straight with inturned ends. The limbs 1 on one side of the pivot P are arcuate and the limbs 4, 5 on the other side have straight sides which are spaced by unequal amounts from the central line A, B. The distance apart of the measuring faces of one pair of limbs which contact a workpiece is the same as that of the other pair and can be measuredwith a rule. The different forms of the limbs provide for gauging differently shaped objects. A tightness adjustment is provided at the pivot P.
GB573454A 1954-02-26 1954-02-26 Improvements in callipers Expired GB755989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB573454A GB755989A (en) 1954-02-26 1954-02-26 Improvements in callipers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB573454A GB755989A (en) 1954-02-26 1954-02-26 Improvements in callipers

Publications (1)

Publication Number Publication Date
GB755989A true GB755989A (en) 1956-08-29

Family

ID=9801628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB573454A Expired GB755989A (en) 1954-02-26 1954-02-26 Improvements in callipers

Country Status (1)

Country Link
GB (1) GB755989A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2322448A (en) * 1997-02-24 1998-08-26 William Lionel Mont Trebilcock Electro-mechanical comparator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2322448A (en) * 1997-02-24 1998-08-26 William Lionel Mont Trebilcock Electro-mechanical comparator

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