DE590962C - Automatic decoupling device for dental tools driven by flexible shafts - Google Patents
Automatic decoupling device for dental tools driven by flexible shaftsInfo
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
- A61C1/18—Flexible 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)
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)
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 |
-
0
- DE DEB160504D patent/DE590962C/en not_active Expired
Cited By (3)
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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