DE331973C - Locking device for the circular joint - Google Patents

Locking device for the circular joint

Info

Publication number
DE331973C
DE331973C DENDAT331973D DE331973DD DE331973C DE 331973 C DE331973 C DE 331973C DE NDAT331973 D DENDAT331973 D DE NDAT331973D DE 331973D D DE331973D D DE 331973DD DE 331973 C DE331973 C DE 331973C
Authority
DE
Germany
Prior art keywords
compass
locking device
legs
circular joint
fork
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
DENDAT331973D
Other languages
German (de)
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.)
SPEZIAL WERKZEUGFABRIK CALW G
Original Assignee
SPEZIAL WERKZEUGFABRIK CALW G
Publication date
Application granted granted Critical
Publication of DE331973C publication Critical patent/DE331973C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/16—Features common to compasses, dividers, and callipers

Landscapes

  • Clamps And Clips (AREA)

Description

Feststellvorrichtung für das Zirkelgelenk. Die Erfindung betrifft eine Vorrichtung zum Feststellen des Zirkelgelenks, insbesondere von Werkstattzirkeln.Locking device for the circular joint. The invention relates to a device for fixing the compass joint, in particular workshop circles.

Es sind bereits Zirkel bekannt geworden, bei denen durch Verstellen einer Schraube am Zirkelgriff die Zirkelschenkel infolge Keilwirkung festgespannt werden.There are already compasses known in which by adjusting a screw on the compass handle clamped the compass legs due to the wedge effect will.

Die .Erfindung besteht demgegenüber darin, daß die zwischen der Zirkelgabel liegenden Köpfe der Zirkelschenkel konisch angefräst sind und eine gemeinsame Keilnot bilden, in. welche ein konischer Rundkeil gedrückt wird, der die beiden Zirkelschenkel an die Innenwände der Zirkelgabel preßt.The .Erfindung consists in the fact that between the compass fork lying heads of the compass legs are milled conically and have a common wedge form, in. which a conical wedge is pressed, which the two compass legs presses against the inner walls of the compass fork.

Der Gegenstand der Erfindung ist auf der Zeichnung an einem Ausführungsbeispiel näher erläutert. -Fig. z zeigt den Zirkel in Vorderansicht. Fig. 2 und 3 erläutern in senkrechten Schnitten die Feststellvorrichtung der Schenkel.The object of the invention is based on the drawing of an exemplary embodiment explained in more detail. -Fig. z shows the compass in front view. Figs. 2 and 3 explain the locking device of the legs in vertical sections.

Der Zirkel besteht aus den beiden Schenkeln a und b, welche um einen Bolzen c verdrehbar sind und von denen der Schenkel a unmittelbar mit einer Spitze d versehen ist, während die andere Spitze e sich an einem besonderen Arm f befindet, welcher drehbar am Schenkel b angeordnet ist und mittels einer Feineinstellung g eingestellt werden kann.The compass consists of the two legs a and b, which can be rotated about a bolt c and of which the leg a is directly provided with a point d, while the other point e is on a special arm f, which is rotatable on the leg b is arranged and can be adjusted by means of a fine adjustment g.

Zur Feststellung der Schenkel a und b sind nun ihre aufeinander drehenden Köpfe h am Umfang durch eine konische Anfräsung mit einer gemeinsamen keilförmigen Nut i- versehen, in die ein entsprechend konischer Rundkeil k eingreift, welcher in der Zirkelgabel radial beweglich gelagert ist. Durch die Zirkelgabelt geht eine als Griff ausgebildeteSchraubem, die sich gegen den Rundkeil k legt und diesen schon bei leichter Verdrehung satt-in die Nut i eindrückt, wodurch eine sichere Feststellung der Schenkel a und b erreicht wird.To determine the legs a and b , their rotating heads h are now provided on the circumference by a conical milling with a common wedge-shaped groove i- in which a correspondingly conical round wedge k engages, which is mounted radially movable in the circular fork. A screw, designed as a handle, goes through the compass fork and rests against the round wedge k and presses it snugly into the groove i even with a slight twist, thereby securing the legs a and b in place.

Claims (1)

PATENT-ANsPRUcH: Feststellvorrichtung für das Zirkelgelenk, dadurch gekennzeichnet, daß die Köpfe der Zirkelschenkel konisch angefräst sind und eine gemeinsame Keilnut bilden, in welche ein konischer Rundkeil gedrückt wird, der die beiden Zirkelschenkel an die Innenwände der Zirkelgabel preßt.PATENT CLAIM: Locking device for the circular joint, thereby characterized in that the heads of the compass legs are milled conically and one Form a common keyway into which a conical round key is pressed, which the presses both compass legs against the inner walls of the compass fork.
DENDAT331973D Locking device for the circular joint Expired DE331973C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE331973T

Publications (1)

Publication Number Publication Date
DE331973C true DE331973C (en) 1921-01-17

Family

ID=6200334

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT331973D Expired DE331973C (en) Locking device for the circular joint

Country Status (1)

Country Link
DE (1) DE331973C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004384B (en) * 1952-01-04 1957-03-14 Ivan Benkoe Subcircle
DE1202605B (en) * 1961-04-26 1965-10-07 Sperry Rand Corp Actuation mechanism for the transmission of a movement
WO2009049590A2 (en) * 2007-10-15 2009-04-23 Draw.Tec Gmbh & Co. Kg Pair of dividers comprising a joint and an arresting device
WO2010045920A1 (en) 2008-10-22 2010-04-29 Draw.Tec Gmbh & Co. Kg Compass

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004384B (en) * 1952-01-04 1957-03-14 Ivan Benkoe Subcircle
DE1202605B (en) * 1961-04-26 1965-10-07 Sperry Rand Corp Actuation mechanism for the transmission of a movement
WO2009049590A2 (en) * 2007-10-15 2009-04-23 Draw.Tec Gmbh & Co. Kg Pair of dividers comprising a joint and an arresting device
DE102007049513A1 (en) * 2007-10-15 2009-04-23 Draw.Tec Gmbh & Co. Kg compasses
DE102007049513B4 (en) * 2007-10-15 2009-07-30 Draw.Tec Gmbh & Co. Kg compasses
WO2009049590A3 (en) * 2007-10-15 2009-08-20 Draw Tec Gmbh & Co Kg Pair of dividers comprising a joint and an arresting device
US8132333B2 (en) 2007-10-15 2012-03-13 Draw.Tec Gmbh & Co. Kg Pair of compasses
WO2010045920A1 (en) 2008-10-22 2010-04-29 Draw.Tec Gmbh & Co. Kg Compass
DE102008052648B3 (en) * 2008-10-22 2010-07-08 Draw.Tec Gmbh & Co. Kg compasses

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