JPS59169811U

JPS59169811U - Dental air-driven handpiece

Info

Publication number: JPS59169811U
Application number: JP6488383U
Authority: JP
Inventors: 渡辺　浩男
Original assignee: 株式会社　モリタ製作所
Priority date: 1983-04-28
Filing date: 1983-04-28
Publication date: 1984-11-13
Also published as: JPS6122579Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案歯科用ノ１ンドピースの゛一実施例を示
す縦断側面図、第２図は第１図■−■線断面図、第３図
は第１図■−■線断面図、第４図は第１図ＴＶ−ＩＶ線
断面図、第５図は第３図■−Ｖ線断面図、第６図は本考
案の別の実施例を示す一部切欠縦断側面図、第７図は第
６図のＶｌ−ＶＩ線断面図を夫々示す。（符号の説明）、１・・・ヘッド部、２・・・ハンドピ
ース本体、３・・・光導缶体、４・・・光源、５・・・
ソケット、７・・田−多すコネクタ、８・・・管状コネ
クタ、１０・・・接続プロッタ、１１．１２・・・媒体
管路、１３・・・スリーブ、１７・・・スプリング、２
０・・・グリップ部、３２・・・露出部、４０・・・光
源保持具、４１゜４２．４３．４４・・・電気配線、４
５・・・光源シース、５１・・・端子プラグ、７１・・
・円弧状接片、７２・・・ピン端子、７３・・・絶縁ス
リーブ、７４・・・スリーブ端子、８１・・・リング状
接片、’１１１，１２１・・・媒体通路、１３１．１３
２・・・連通路、７４２・・・バネ接片、ＳＡ、　ＳＢ
・・・供給管。Fig. 1 is a longitudinal sectional side view showing one embodiment of the dental endpiece of the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, and Fig. 3 is a sectional view taken along the line ■-■ in Fig. 1. 4 is a sectional view taken along the line TV-IV in FIG. 1, FIG. 5 is a sectional view taken along the line IV-V in FIG. The figures each show a sectional view taken along the line Vl-VI in FIG. 6. (Explanation of symbols) 1...Head part, 2...Handpiece body, 3...Light guide can body, 4...Light source, 5...
Socket, 7... Data connector, 8... Tubular connector, 10... Connection plotter, 11.12... Medium conduit, 13... Sleeve, 17... Spring, 2
0...Grip part, 32...Exposed part, 40...Light source holder, 41°42.43.44...Electric wiring, 4
5... Light source sheath, 51... Terminal plug, 71...
- Arc-shaped contact piece, 72... Pin terminal, 73... Insulating sleeve, 74... Sleeve terminal, 81... Ring-shaped contact piece, '111, 121... Medium passage, 131.13
2...Communication path, 742...Spring contact piece, SA, SB
...Supply pipe.

Claims

[Claims for Utility Model Registration] 1. A handpiece body 2 having a head portion 1 at one end, a grip portion 20 unrotatably connected to the body 2, and a rotatable grip portion 20 at the other end of the handpiece body 2. It also includes a connecting block 10- connected to the ends of the supply pipes SA, SB, etc., which are separably connected and supply one or more media to the head part 1, and this block 10 is connected to the ends of the supply pipes SA, SB, etc. Pipe lines 11, 12... are provided, and these pipe lines 11, 12...
. . . is the medium passage 111.12 in the grip portion 20.
1..., and a leading can body 3 is built into the handpiece body 2 along the body axis direction, the tip of which is exposed at the lower part of the head part 1, and the other end is connected to the grip part. 20, the light source 4 is located in the grip portion 20, and the light source 4 is axially opposed to the light source 4 in the grip portion 20.
Electric wiring 41, 42 that is deviated in the diametrical direction with respect to the axis of 0 and is unrotatably fixed to the grip portion 20, and that supplies power to the light source 4 and leads out from the supply pipes SA, SB... A dental handpiece characterized in that electrical wirings 43 and 44 are connected to each other within the grip portion 20 by a rotary connector 7. 2. The handpiece according to claim 1, wherein the light source 4 is fixed within the grip portion 20 by a light source holder 40. 3. The light source 4 is connected to the light source holder 40 by the terminal plug 51.
Utility model registration claim 2, which is said to be detachable in the diametrical direction of the grip part 20 by means of a socket 5 including 51.
Handpiece as described in section. 4. The handpiece according to claim 2, wherein the light source 4 is detachable from the light source holder 40 in the axial direction of the grip portion 20 by means of a light source sheath 45. 5. The connection block 10 is fitted into the sleeve 13, which is fixed to the grip portion 20 so as not to rotate, in an airtight and watertight manner so as to be relatively rotatable, and the communication path 1 of this sleeve 13 is fitted.
31. Conduit 1 of connection block 10 by 132...
1, 12... and passages 111, 121 of the light source holder 40
. . . The handpiece according to claim 1 of the utility model registration claim, wherein the . . . 6 Electrical wiring 43, 44 is led out to the front side through either of the conduits 11, 12 of the connection block 10 and connected to the rotary connector, and the electrical wiring 41, 42 of the light source 4 is routed through the body of the light source holder 40 to the above. The handpiece according to claim 5, which is connected to a rotary connector. 7 The rotary connector 7 is fixed to a pair of arcuate contact pieces 71.71 provided at the rear end of the light source holder 40 and to the tubular connector 8 provided at the front end of the connection block 10, so that the rotary connector 7 is always connected to the contact pieces 71.71. Contacting ring-shaped contact piece 81.81
A handpiece according to claim 6 of the utility model registration claim consisting of: 8. The low connector 7 has a pin terminal 72, an insulating sleeve 73 that is fitted concentrically on the outside of the pin terminal 72, and a sleeve terminal 7.
4, and this sleeve terminal 74 connects to the connection book 10.
The wires 43 and 44 are rotatably held between the front end of the light source sheath 45 and the front end of the pin terminal 72 and the sleeve terminal 74, respectively.
Utility model registration claim No. 4 connected through 2.
71nd piece mentioned in section. 9. The handpiece according to any one of items 1 to 8, wherein the light source 4 is selected from a nozogen lamp, a neon tube, and a Natsuyama hot bulb.