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
Application number
JP15613284U
Other languages
Japanese (ja)
Other versions
JPS6324897Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984156132U priority Critical patent/JPS6324897Y2/ja
Publication of JPS6171105U publication Critical patent/JPS6171105U/ja
Application granted granted Critical
Publication of JPS6324897Y2 publication Critical patent/JPS6324897Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 (1) 外鞘1内に軸受3を介して軸架した工具軸
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.
JP1984156132U 1984-10-16 1984-10-16 Expired JPS6324897Y2 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5621371U (en) * 1979-07-28 1981-02-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
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

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