JPS6334413U - - Google Patents
Info
- Publication number
- JPS6334413U JPS6334413U JP12871086U JP12871086U JPS6334413U JP S6334413 U JPS6334413 U JP S6334413U JP 12871086 U JP12871086 U JP 12871086U JP 12871086 U JP12871086 U JP 12871086U JP S6334413 U JPS6334413 U JP S6334413U
- Authority
- JP
- Japan
- Prior art keywords
- head tip
- hole
- prevention device
- compressed air
- dental handpiece
- 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.)
- Granted
Links
- 238000011109 contamination Methods 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は本考案の他の実施例を示す要部の断面図であ
る。
１……ハンドピース本体、２……エアータービ
ン、３……ヘツドチツプ、４……第１供給通路、
５……第２供給通路、６……送水通路、７……ノ
ズル管、８……噴射管、１０……ケーシング、１
１……上蓋、１２……下蓋、１３，１４……軸受
、１５……回転軸、１６，２０……環状溝、１７
，２１……貫通孔、１８，２２……周溝、１９，
２３……連通路。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view of essential parts showing another embodiment of the present invention. 1...Handpiece body, 2...Air turbine, 3...Head tip, 4...First supply passage,
5... Second supply passage, 6... Water supply passage, 7... Nozzle pipe, 8... Injection pipe, 10... Casing, 1
1... Upper cover, 12... Lower cover, 13, 14... Bearing, 15... Rotating shaft, 16, 20... Annular groove, 17
, 21... Through hole, 18, 22... Circumferential groove, 19,
23...Communication path.
Claims (1)
転軸が外部に貫通する貫通孔に圧縮空気を送つて
ヘツドチツプの内圧を高め、ヘツドチツプ内の汚
染を防止するようにした歯科用ハンドピースの汚
染防止装置であつて、前記貫通孔の内面には圧縮
空気を溜める周溝が形成されていることを特徴と
する歯科用ハンドピースの汚染防止装置。 A contamination prevention device for a dental handpiece, which prevents contamination within the head tip by sending compressed air to a through hole through which a rotating shaft of an air turbine built in the head tip passes through to the outside to increase the internal pressure of the head tip. A contamination prevention device for a dental handpiece, characterized in that a circumferential groove for storing compressed air is formed on the inner surface of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986128710U JPH0346743Y2 (en) | 1986-08-23 | 1986-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986128710U JPH0346743Y2 (en) | 1986-08-23 | 1986-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6334413U true JPS6334413U (en) | 1988-03-05 |
| JPH0346743Y2 JPH0346743Y2 (en) | 1991-10-03 |
Family
ID=31024620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986128710U Expired JPH0346743Y2 (en) | 1986-08-23 | 1986-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0346743Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834530U (en) * | 1981-08-28 | 1983-03-07 | 株式会社日本ピツト | wiring device |
| JPH0291413U (en) * | 1988-12-29 | 1990-07-19 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6137150A (en) * | 1984-07-30 | 1986-02-22 | 株式会社 モリタ製作所 | Sudden stop apparatus of air bearing type handpiece |
-
1986
- 1986-08-23 JP JP1986128710U patent/JPH0346743Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6137150A (en) * | 1984-07-30 | 1986-02-22 | 株式会社 モリタ製作所 | Sudden stop apparatus of air bearing type handpiece |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834530U (en) * | 1981-08-28 | 1983-03-07 | 株式会社日本ピツト | wiring device |
| JPS6334413Y2 (en) * | 1981-08-28 | 1988-09-13 | ||
| JPH0291413U (en) * | 1988-12-29 | 1990-07-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0346743Y2 (en) | 1991-10-03 |