DE352011C - Contra-angle for dental milling, drilling and grinding tools - Google Patents

Contra-angle for dental milling, drilling and grinding tools

Info

Publication number
DE352011C
DE352011C DENDAT352011D DE352011DD DE352011C DE 352011 C DE352011 C DE 352011C DE NDAT352011 D DENDAT352011 D DE NDAT352011D DE 352011D D DE352011D D DE 352011DD DE 352011 C DE352011 C DE 352011C
Authority
DE
Germany
Prior art keywords
drilling
contra
angle
grinding tools
slide
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
DENDAT352011D
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of DE352011C publication Critical patent/DE352011C/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08Machine parts specially adapted for dentistry
    • A61C1/14Tool-holders, i.e. operating tool holders, e.g. burr holders
    • A61C1/142Operating tool blocking means

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Description

Winkelstück für zahnärztliche Fräs-, Bohr- und Schleifwerkzeuge. Winkelstücke, insbesondere solche für zahnärztliche Fräs-, Bohr- und Schleifwerkzeuge mit Schieber zur Sicherung des Werkzeuges, sind bekannt.Contra-angle handpiece for dental milling, drilling and grinding tools. Elbows, in particular those for dental milling, drilling and grinding tools with slide to secure the tool are known.

Gegenstand der vorliegenden Erfindung ist die Anordnung einer Feder, die den Schieber, der zweckmäßig mit einer schlitzförmigen, einen Ansatz tragenden Ausfräsung versehen ist, in die Sicherungsstellung drängt.The subject of the present invention is the arrangement of a spring, which the slide, which is expediently with a slot-shaped, an approach carrying Milling is provided, pushes into the locking position.

Die Zeichnung veranschaulicht den Erfindungsgegenstand, und zwar zeigt Abb. z die Gesamtansicht eines Winkelstückes gerader Bauart; jedoch läßt sich der Erfindungsgegenstand auch für sogenannte Kontra- (gebogene) Winkelstücke anwenden, Abb. 2 den Durchschnitt des den Schieber tragenden Kopfteiles in vergrößertem Maßstabe, Abb. 3 eine Seitenansicht gemäß Abb. 2, Abb. 4 einen Grundriß gemäß Abb. 3, Abb.5 ein Fräswerkzdug mit eingedrehter Ringnut.The drawing illustrates the subject matter of the invention, namely shows Fig. Z is the overall view of an angle piece of straight design; however, the The subject of the invention can also be used for so-called contra (curved) elbows, Fig. 2 shows the cross section of the head part carrying the slide on an enlarged scale, Fig. 3 is a side view according to Fig. 2, Fig. 4 is a plan according to Fig. 3, Fig.5 a milling tool with a screwed-in ring groove.

Im Kopf a (Abb. 2) führt sich schwalbenschwanzförmig ein Schieber c (Abb. 2, 3, 4), der mit einer schlitzförmigen, mit einem Ansatz d ausgestatteten Ausfräsung e versehen ist. Durch eine Feder f wird dieser Schieber c gegen einen Anschlag b gedrückt, so daß der mit dem Ansatz d versehene Teil der schlitzförmigen Ausfräsung e zentrisch zur Bohrung der Welle g sitzt. Soll das Fräs-, Bohr- oder Schleifwerkzeug eingesetzt werden, so genügt "ein Fingerdruck gegen den Schieber c (Abb. z), um diesen unter Gegendruck auf die Spiralfeder f gegen die Anschlagfläche h zu drücken (Abb. 2). Es stellt sich dann der untere Teil der schlitzförmigen Ausfräsung c zentrisch zur Bohrung der Welle g, so d.aß das Werkzeug eingeführt werden kann. Ein Nachlassen des Fingerdruckes läßt den Schieber c vermöge der Feder f mit seinem Ansatz d in. die Ringnut K (Abb. 5) des Werkzeuges einfallen. Das Werkzeug ist nun gegen Längsverschiebung gesichert, da ein unbeabsichtigtes Öffnen des Schiebers beim Gebrauch durch die ständige Federwirkung ausgeschlossen ist.In the head a (Fig. 2) there is a dovetail-shaped slide c (Fig. 2, 3, 4) which is provided with a slot-shaped cutout e equipped with a shoulder d. This slide c is pressed by a spring f against a stop b, so that the part of the slot-shaped cutout e provided with the projection d is centered on the bore of the shaft g. If the milling, drilling or grinding tool is to be used, all that is needed is a finger pressure against the slide c (Fig. Z) to press it against the stop surface h (Fig. 2) with counter pressure on the spiral spring f (Fig. 2) Then the lower part of the slot-shaped milled recess c centric to the bore of the shaft g, so that the tool can be inserted. A release of the finger pressure allows the slide c by means of the spring f with its extension d into the annular groove K (Fig. 5 The tool is now secured against longitudinal displacement, as unintentional opening of the slide during use is prevented by the constant spring action.

Claims (1)

PATENT-ANsPRUcH: Winkelstück mit Schieber zur Sicherung der zahnärztlichen Fräs-, Bohr- und Schleifwerkzeuge, gekennzeichnet durch eine Feder, die den Schieber, der zweckmäßig eine schlitzförmige, mit einem Ansatz (d) zum Eingriff in die Ringnut versehene Ausfräsung (e) besitzt, in die Sicherungsstellung drängt.PATENT CLAIM: Contra-angle handpiece with slide to secure the dental Milling, drilling and grinding tools, characterized by a spring that pushes the slide, which is expediently a slot-shaped, with a shoulder (d) for engagement in the annular groove provided cutout (e), pushes into the locking position.
DENDAT352011D Contra-angle for dental milling, drilling and grinding tools Expired DE352011C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE352011T

Publications (1)

Publication Number Publication Date
DE352011C true DE352011C (en) 1922-04-18

Family

ID=6272467

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT352011D Expired DE352011C (en) Contra-angle for dental milling, drilling and grinding tools

Country Status (1)

Country Link
DE (1) DE352011C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2831050A1 (en) * 2001-10-19 2003-04-25 Anthogyr Sa Dental hand piece with adjustable depth stop for drilling comprises several conduits leading fluid from external conduits to tool working zone, axial locking of stop comprising guillotine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2831050A1 (en) * 2001-10-19 2003-04-25 Anthogyr Sa Dental hand piece with adjustable depth stop for drilling comprises several conduits leading fluid from external conduits to tool working zone, axial locking of stop comprising guillotine

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