JPS6171105U - - Google Patents
Info
- Publication number
- JPS6171105U JPS6171105U JP15613284U JP15613284U JPS6171105U JP S6171105 U JPS6171105 U JP S6171105U JP 15613284 U JP15613284 U JP 15613284U JP 15613284 U JP15613284 U JP 15613284U JP S6171105 U JPS6171105 U JP S6171105U
- Authority
- JP
- Japan
- Prior art keywords
- coil spring
- tool shaft
- dental handpiece
- chuck device
- handpiece according
- 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
- 239000013013 elastic material Substances 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims 1
- 239000005061 synthetic rubber Substances 0.000 claims 1
Description
図面は本考案の実施例を示すもので、第１図は
要部縦断側面図、第２図は要部であるコイルばね
チヤツク体のみの分解斜視図、第３図は同上組立
て斜視図、第４図は本考案のもう一つの態様にお
ける要部縦断側面図、第５図はその要部であるコ
イルばねチヤツク体のみの分解斜視図、第６図は
同上組立て斜視図。
１……外鞘、２……頭部ハウジング、３……軸
受、４……工具軸駆動鞘、４ａ……その雌ねじ部
、５……コイルばねチヤツク体、６……左巻コイ
ルばね、７……管螺状キヤツプ、７ａ……そのい
んろう部、７ｂ……その受口、７ｃ……その雄ね
じ部、８……弾性材料。
The drawings show an embodiment of the present invention; FIG. 1 is a vertical sectional side view of the main part, FIG. 2 is an exploded perspective view of only the main part, the coil spring chuck body, and FIG. 3 is an assembled perspective view of the same. FIG. 4 is a vertical sectional side view of the main part of another embodiment of the present invention, FIG. 5 is an exploded perspective view of only the main part of the coil spring chuck body, and FIG. 6 is an assembled perspective view of the same. DESCRIPTION OF SYMBOLS 1...Outer sheath, 2...Head housing, 3...Bearing, 4...Tool shaft drive sheath, 4a...Female thread thereof, 5...Coil spring chuck body, 6...Left-handed coil spring, 7 ...Tube spiral cap, 7a... Its socket, 7b... Its socket, 7c... Its external threaded part, 8... Elastic material.
Claims (1)
駆動鞘４内壁に沿つて、左巻コイルばね６と内側
に工具軸のいんろう部７ａ及びコイルばね６の受
口７ｂを形成した管螺状キヤツプ７とからなり且
つ前記左巻コイルばね６の一端が前記管螺状キヤ
ツプ７の受口７ｂに挿着されて構成されるコイル
ばねチヤツク体５を、前記管螺状キヤツプ７外側
の雄ねじ部７ｃを前記工具軸駆動鞘４内側の雌ね
じ部４ａに螺合させることにより挿着したことを
特徴とする歯科用ハンドピースにおける工具軸チ
ヤツク装置。 (2) 左巻コイルばね６は、断面方形状をなす板
状コイルばねとして構成した実用新案登録請求の
範囲第１項記載の歯科用ハンドピースにおける工
具軸チヤツク装置。 (3) 左巻コイルばね６は、そのピツチ間隔の螺
状面に沿つて、ばねの断面厚と等しい厚みの弾性
材料８が埋めるように介着されて成る実用新案登
録請求の範囲第１項または第２項記載の歯科用ハ
ンドピースにおける工具軸チヤツク装置。 (4) 弾性材料８が、合成ゴムである実用新案登
録請求の範囲第３項記載の歯科用ハンドピースに
おける工具軸チヤツク装置。[Claims for Utility Model Registration] (1) Along the inner wall of the tool shaft drive sheath 4 which is mounted in the outer sheath 1 through a bearing 3, there is a left-handed coil spring 6 and a tool shaft spigot part 7a and A coil spring chuck body consisting of a tubular spiral cap 7 forming a socket 7b for a coil spring 6, and one end of the left-handed coil spring 6 being inserted into the socket 7b of the tubular spiral cap 7. A tool shaft chuck device for a dental handpiece, characterized in that a male threaded portion 7c on the outside of the tubular spiral cap 7 is inserted into the female threaded portion 4a on the inside of the tool shaft drive sheath 4. (2) The tool shaft chuck device for a dental handpiece according to claim 1, wherein the left-handed coil spring 6 is a plate-shaped coil spring having a rectangular cross section. (3) The left-handed coil spring 6 is provided with an elastic material 8 having a thickness equal to the cross-sectional thickness of the spring along the spiral surface of the pitch interval. Or the tool shaft chuck device in the dental handpiece according to item 2. (4) The tool shaft chuck device for a dental handpiece according to claim 3, wherein the elastic material 8 is synthetic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984156132U JPS6324897Y2 (en) | 1984-10-16 | 1984-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984156132U JPS6324897Y2 (en) | 1984-10-16 | 1984-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6171105U true JPS6171105U (en) | 1986-05-15 |
| JPS6324897Y2 JPS6324897Y2 (en) | 1988-07-07 |
Family
ID=30714147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984156132U Expired JPS6324897Y2 (en) | 1984-10-16 | 1984-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324897Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5621371U (en) * | 1979-07-28 | 1981-02-25 |
-
1984
- 1984-10-16 JP JP1984156132U patent/JPS6324897Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5621371U (en) * | 1979-07-28 | 1981-02-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6324897Y2 (en) | 1988-07-07 |