DE590962C - Automatic decoupling device for dental tools driven by flexible shafts - Google Patents

Automatic decoupling device for dental tools driven by flexible shafts

Info

Publication number
DE590962C
DE590962C DEB160504D DEB0160504D DE590962C DE 590962 C DE590962 C DE 590962C DE B160504 D DEB160504 D DE B160504D DE B0160504 D DEB0160504 D DE B0160504D DE 590962 C DE590962 C DE 590962C
Authority
DE
Germany
Prior art keywords
decoupling device
automatic decoupling
flexible shafts
dental tools
tools driven
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
DEB160504D
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.)
ALWIN BERGER FA
Original Assignee
ALWIN BERGER FA
Publication date
Priority to DEB160504D priority Critical patent/DE590962C/en
Application granted granted Critical
Publication of DE590962C publication Critical patent/DE590962C/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
    • A61C1/18Flexible shafts; Clutches or the like; Bearings or lubricating arrangements; Drives or transmissions

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

Selbsttätige Entkupplungsvorrichtung für durch biegsame Wellen angetriebene zahnärztliche Werkzeuge Die Erfindung betrifft eine weitere Ausgestaltung der selbsttätigen Entkupplungsvorrichtung nach Patent ,583 718 und besteht im wesentlichen darin, daß der äußere Teleskopteil zwei oder mehrere an ihren freien Enden nach innen abgebogene federnde Zungen aufweist, deren abgebogene Enden sperrklinkenartig in die Rastennuten des inneren Teleskopteiles einspringen. Diese Anordnung hat den Vorteil der vereinfachten Herstellung, sowohl was die Anzahl der Teile als auch den Zusammenbau betrifft.Automatic decoupling device for driven by flexible shafts Dental Tools The invention relates to a further embodiment of the automatic Decoupling device according to patent, 583 718 and consists essentially in that the outer telescope part has two or more bent inwards at their free ends Has resilient tongues, the bent ends of which ratchet-like into the locking grooves jump in the inner telescopic part. This arrangement has the advantage of being simplified Manufacturing, both in terms of number of parts and assembly.

Die Zeichnung zeigt in Abb. i eine biegsame Welle mit der neuen Vorrichtung und in Abb. a einen Längsschnitt durch den Bohrschlauch an der Stelle, welche die biegsame Welle mit derEntkupplungsvorrichtung trägt.The drawing shows in Fig. I a flexible shaft with the new device and in Fig. a a longitudinal section through the drilling tube at the point where the bears flexible shaft with the uncoupling device.

Die Ausführungsform nach Abb. i besteht aus dem inneren Teleskopteil q., q.' und dein äußeren 7, 7'. In die Rastennuten 8 und g können die Sperrglieder 16 einspringen. Diese Sperrglieder 16 sitzen an federnden Zungen 17, welche durch Aufschneiden des Mantels 18 des Teiles 7 gewonnen sind. In Abb. z besteht der äußere Teleskopteil aus zwei oder mehreren Federzungen ig, deren Enden die gleichen Sperrglieder 16 tragen.The embodiment according to Fig. I consists of the inner telescopic part q., Q. ' and your outer 7, 7 '. The locking members 16 can jump into the detent grooves 8 and g. These locking members 16 sit on resilient tongues 17 which are obtained by cutting open the casing 18 of the part 7. In Fig. Z, the outer telescopic part consists of two or more spring tongues ig, the ends of which carry the same locking members 16.

Die Arbeitsweise der neuen Entkupplungsvorrichtung entspricht derjenigen nach Patent 583 718. Auch hier haben die Zähne 5 und 6 das Bestreben, sich an ihren schiefen Ebenen auseinanderzuarbeiten, wenn die Belastung der biegsamen Welle i und der Duplexfeder z durch das arbeitende, an die Duplexfeder z in üblicher Weise angeschlossene nicht gezeichnete Werkzeug eine so hohe ist, daß eine Verwindung der biegsamen Welle sowie der Duplexfeder droht. Diesem Auseinanderarbeiten der Zähne 5 und 6 wirken aber die federnden Zungen 17 und ig entgegen, und erst wenn die T orsionskraft so groß geworden ist, daß die Nutenkante 8' das Sperrglied 16 anheben kann, springt dasselbe mit einem Ruck in die Entkupplungsraste@g.The mode of operation of the new uncoupling device corresponds to that according to patent 583 718. Here, too, the teeth 5 and 6 tend to work apart on their inclined planes when the load on the flexible shaft i and the duplex spring z by the working, on the duplex spring z in Usually connected tool not shown is so high that a twisting of the flexible shaft and the duplex spring threatens. This working apart of the teeth 5 and 6 counteract the resilient tongues 17 and ig, and only when the torsional force has become so great that the groove edge 8 'can lift the locking member 16, the same jumps with a jerk into the uncoupling notch @ g.

Claims (1)

PATENTANSPRUCH: Selbsttätige Entkupplungsvorrichtung für durch biegsame Wellen angetriebene zahn-,ärztliche Werkzeuge mit teleskopartig in--einanderreifenden Kupplungsstücken nach Patent 583;i8, dadurch gekennzeichnet, daß der äußere Teleskopteil federnde Zungen (17, i g) ;aufweist, deren abgebogene Enden (16) sperrklinkenartig in Rastennuten (8, 9) des inneren Teleskopteiles einspringen.PATENT CLAIM: Automatic uncoupling device for by flexible Shaft driven dental, medical tools with telescopically interlocking Coupling pieces according to Patent 583; 18, characterized in that the outer telescopic part resilient tongues (17, i g), the bent ends (16) of which are like pawls jump into notch grooves (8, 9) of the inner telescopic part.
DEB160504D Automatic decoupling device for dental tools driven by flexible shafts Expired DE590962C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB160504D DE590962C (en) Automatic decoupling device for dental tools driven by flexible shafts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB160504D DE590962C (en) Automatic decoupling device for dental tools driven by flexible shafts

Publications (1)

Publication Number Publication Date
DE590962C true DE590962C (en) 1934-01-13

Family

ID=7004392

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB160504D Expired DE590962C (en) Automatic decoupling device for dental tools driven by flexible shafts

Country Status (1)

Country Link
DE (1) DE590962C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190743B (en) * 1954-10-14 1965-04-08 Reed Roller Bit Co Device for transmitting a torque
FR2399831A1 (en) * 1977-08-11 1979-03-09 Kaltenbach & Voigt DENTISTRY HANDPIECE
DE19525755C1 (en) * 1995-07-14 1996-10-31 Siemens Ag Coupling device for dental handpiece parts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190743B (en) * 1954-10-14 1965-04-08 Reed Roller Bit Co Device for transmitting a torque
FR2399831A1 (en) * 1977-08-11 1979-03-09 Kaltenbach & Voigt DENTISTRY HANDPIECE
DE19525755C1 (en) * 1995-07-14 1996-10-31 Siemens Ag Coupling device for dental handpiece parts

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