DE303544C - - Google Patents

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Publication number
DE303544C
DE303544C DE1917303544D DE303544DD DE303544C DE 303544 C DE303544 C DE 303544C DE 1917303544 D DE1917303544 D DE 1917303544D DE 303544D D DE303544D D DE 303544DD DE 303544 C DE303544 C DE 303544C
Authority
DE
Germany
Prior art keywords
mother
teaching
millings
exact
nut
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
DE1917303544D
Other languages
German (de)
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 filed Critical
Application granted granted Critical
Publication of DE303544C publication Critical patent/DE303544C/de
Expired legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/38Gauges 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
    • G01B3/40Gauges 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/34Ring or other apertured gauges, e.g. "go/no-go" gauge
    • G01B3/36Ring or other apertured gauges, e.g. "go/no-go" gauge for external screw-threads

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Die bekannten Lehrmuttern gestatten in der Regel nur den inneren Durchmesser des Gewindes zu messen. Die neue Form der Lehrmutter ermöglicht jedoch mit entsprechenden Meßgeräten die genaue Messung des inneren und äußeren Gewindedurchmessers sowie auch des Flankenmaßes. Außerdem kann man feststellen, in welcher Weise die etwa vorhandenen Kontrollschrauben von der FormThe known gauge nuts usually only allow the inner diameter of the To measure the thread. However, the new form of the apprentice mother allows with corresponding Measuring devices the exact measurement of the inner and outer thread diameter as well as the flank dimension. Also can one can determine in which way the possibly existing control screws from the shape

ίο der Lehrmutter abweichen. Festzustellen ist weiterhin auch die genaue Ganghöhe der Mutter, was namentlich für längere Gewinde von Wichtigkeit ist.ίο deviate from the apprentice mother. Is to be determined also the exact pitch of the nut, especially for longer threads is important.

Die neue Form der Lehrmutter besteht darin, daß der Lehrenkörper Einfräsungen erhält, welche die Schraubengänge im Innern der Mutter schneiden und sie so dem Auge und zur Messung sichtbar machen. Diese Einfräsungen werden zweckmäßig genau bis auf die Mittelachse durchgeführt, so daß in diesem Falle sofort der genaue Innen- und Außendurchmesser der Schraube durch die entsprechenden Meßinstrumente abzugreifen ist. The new form of the apprentice mother consists in the fact that the gage body is milled which cut the screw threads inside the nut and so the eye and make it visible for measurement. These millings are expediently accurate up to carried out the central axis, so that in this case the exact inner and outer diameter immediately the screw can be tapped using the appropriate measuring instruments.

In der Zeichnung stellen Fig. 1 und 2 eine solche. Lehrmutter in Seitenansicht und Aufsieht dar.In the drawing, FIGS. 1 and 2 represent one such. Teaching mother in side view and looks up represent.

Werden, wie bereits erwähnt, bei längeren Lehrmuttern Feststellungen über die genaue Ganghöhe wünschenswert, so bringt man bei solchen Lehrmuttern zweckmäßig mehrere derartige Einfräsungen an, wodurch man in der Lage ist, die genaue Feststellung der Ganghöhe gleichfalls vorzunehmen. Eine solche Lehrmutter ist in der Aufsicht in Fig. 3 dargestellt. As already mentioned, in the case of longer apprenticeship mothers, statements are made about the exact If the pitch is desirable, it is expedient to bring several of these with such master nuts Millings on, whereby one is able to determine the exact pitch also to undertake. Such a teaching mother is shown in plan view in FIG. 3.

Claims (2)

Patent-Ansprüche:Patent Claims: 1. Lehrmutter, dadurch gekennzeichnet, daß die Gewindegänge durch eine oder mehrere Einfräsungen bis in das Gewinde zur Nachprüfung sichtbar gemacht sind.1. Teaching nut, characterized in that the threads by one or several millings into the thread are made visible for checking. 2. Lehrmutter nach Anspruch 1, dadurch gekennzeichnet, daß die Einfräsungen genau bis zur Mittelachse der Lehrmutter geführt sind.2. Teaching nut according to claim 1, characterized in that the millings are accurate are led to the central axis of the mother teacher. Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
DE1917303544D 1917-07-03 1917-07-03 Expired DE303544C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE303544T 1917-07-03

Publications (1)

Publication Number Publication Date
DE303544C true DE303544C (en) 1918-02-05

Family

ID=33558002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1917303544D Expired DE303544C (en) 1917-07-03 1917-07-03

Country Status (1)

Country Link
DE (1) DE303544C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2634508A (en) * 1943-10-09 1953-04-14 Harold George Carmichael Wilso Screw gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2634508A (en) * 1943-10-09 1953-04-14 Harold George Carmichael Wilso Screw gauge

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