GB215172A - Improvements in or relating to dental drilling apparatus - Google Patents
Improvements in or relating to dental drilling apparatusInfo
- Publication number
- GB215172A GB215172A GB990623A GB990623A GB215172A GB 215172 A GB215172 A GB 215172A GB 990623 A GB990623 A GB 990623A GB 990623 A GB990623 A GB 990623A GB 215172 A GB215172 A GB 215172A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casing
- parts
- drill
- sleeve
- spindle
- 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
- A61C1/10—Straight hand-pieces
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)
Abstract
215,172. Thorsen, O. April 11, 1923. Dental and like engines.-A spindle 2 fixed to a drill 4 is journaled in a casing 1 which is divided longitudinally into two or more parts held together by a sleeve 7 or by one or more rings which are readily removable so that the casing may be taken apart for cleaning the parts. A U-shaped cotter pin 9 fits around a grooved portion of the drill, each leg of the cotter passing through one of the parts of the casing. The drill may be inserted in a recess in the spindle or connected therewith through geared wheels ani a shaft. The sleeve may be secured to the casing by a screw 18, and also by a spring (not shown), which engages with the end of the sleeve and serves as a means for attaching the casing to the connecting-piece for a flexible shaft. The two parts of the casing may be interlocked by means of a Z-shaped joint.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB990623A GB215172A (en) | 1923-04-11 | 1923-04-11 | Improvements in or relating to dental drilling apparatus |
DET28712D DE426645C (en) | 1923-04-11 | 1924-04-08 | Drill holders, in particular for dental purposes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB990623A GB215172A (en) | 1923-04-11 | 1923-04-11 | Improvements in or relating to dental drilling apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB215172A true GB215172A (en) | 1924-05-08 |
Family
ID=9880976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB990623A Expired GB215172A (en) | 1923-04-11 | 1923-04-11 | Improvements in or relating to dental drilling apparatus |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE426645C (en) |
GB (1) | GB215172A (en) |
-
1923
- 1923-04-11 GB GB990623A patent/GB215172A/en not_active Expired
-
1924
- 1924-04-08 DE DET28712D patent/DE426645C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE426645C (en) | 1926-03-16 |
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