JPS6052807U - dental contra head - Google Patents

dental contra head

Info

Publication number
JPS6052807U
JPS6052807U JP14360583U JP14360583U JPS6052807U JP S6052807 U JPS6052807 U JP S6052807U JP 14360583 U JP14360583 U JP 14360583U JP 14360583 U JP14360583 U JP 14360583U JP S6052807 U JPS6052807 U JP S6052807U
Authority
JP
Japan
Prior art keywords
collet
cam
press button
spring member
head
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.)
Pending
Application number
JP14360583U
Other languages
Japanese (ja)
Inventor
則夫 瀬戸
関野　豊吉
Original Assignee
長田電機工業株式会社
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 by 長田電機工業株式会社 filed Critical 長田電機工業株式会社
Priority to JP14360583U priority Critical patent/JPS6052807U/en
Publication of JPS6052807U publication Critical patent/JPS6052807U/en
Pending legal-status Critical Current

Links

Landscapes

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

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

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

第１図は従来の歯科用コントラヘッドの中央縦断面図、
第２図は本考案の一実施例を具備した歯科用コントラヘ
ッドの中央縦断面図である。 １・・・ケース、２・・・駆動軸、６・・・カム、９・
・・コレット、１３・・・押圧ボタン、１８・・・バネ
。Figure 1 is a central vertical cross-sectional view of a conventional dental contrahead.
FIG. 2 is a central vertical cross-sectional view of a dental contrahead equipped with an embodiment of the present invention. 1... Case, 2... Drive shaft, 6... Cam, 9...
...collet, 13...push button, 18...spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 駆動軸を回転させると、ヘッド部のケースに内装したカ
ムを、左右に反転回動させつつ、上下に往復移動させて
、前記カムに取り付けた切削刃具により、被切削物を切
削す、る歯科用コントラツヘッドにおいて、外周壁面の
先端部に円錐部を突設した円筒状の本体に複数のすり割
が切られ、後端部に取付軸が突設されたコレットと、前
記コレットの取付軸に取り付られた押圧ボタンと、前記
コレットが摺動自在に貫装された円筒状の前記カムと、
前記押圧ボタンと前記カムとの間に介装されたバネ部材
とからなるチャック機構が具備され、前記バネ部材の伸
張力に抗して前記押圧ボタンと共に前記コレットが押圧
されると、前記バネ部材の伸長力によって閉じていた前
記コレットの口が開くことを特徴とする歯科用コントラ
ヘッド。When the drive shaft is rotated, a cam built into the case of the head part is reversely rotated left and right and reciprocated up and down, thereby cutting the workpiece using a cutting tool attached to the cam. A contratu head for use includes a collet having a cylindrical body with a conical portion protruding from the tip of the outer circumferential wall, a plurality of slots cut into the body, and a mounting shaft protruding from the rear end, and a collet mounting shaft for the collet. a press button attached to the press button; the cylindrical cam in which the collet is slidably inserted;
A chuck mechanism is provided that includes a spring member interposed between the press button and the cam, and when the collet is pressed together with the press button against the tension of the spring member, the spring member A dental contra head characterized in that the mouth of the collet, which had been closed, opens due to the stretching force of the collet.
JP14360583U 1983-09-19 1983-09-19 dental contra head Pending JPS6052807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14360583U JPS6052807U (en) 1983-09-19 1983-09-19 dental contra head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14360583U JPS6052807U (en) 1983-09-19 1983-09-19 dental contra head

Publications (1)

Publication Number Publication Date
JPS6052807U true JPS6052807U (en) 1985-04-13

Family

ID=30320501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14360583U Pending JPS6052807U (en) 1983-09-19 1983-09-19 dental contra head

Country Status (1)

Country Link
JP (1) JPS6052807U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH055108U (en) * 1991-07-03 1993-01-26 株式会社中西歯科器械製作所 Dental handpiece
JP2006346452A (en) * 2005-06-15 2006-12-28 Bien-Air Holding Sa Dental or medical hand piece with flexible clamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231974B2 (en) * 1973-02-27 1977-08-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231974B2 (en) * 1973-02-27 1977-08-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH055108U (en) * 1991-07-03 1993-01-26 株式会社中西歯科器械製作所 Dental handpiece
JP2006346452A (en) * 2005-06-15 2006-12-28 Bien-Air Holding Sa Dental or medical hand piece with flexible clamp

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