JPS59132710U - Drill breakage prevention device - Google Patents

Drill breakage prevention device

Info

Publication number
JPS59132710U
JPS59132710U JP2573583U JP2573583U JPS59132710U JP S59132710 U JPS59132710 U JP S59132710U JP 2573583 U JP2573583 U JP 2573583U JP 2573583 U JP2573583 U JP 2573583U JP S59132710 U JPS59132710 U JP S59132710U
Authority
JP
Japan
Prior art keywords
prevention device
breakage prevention
drill
plunger
drill breakage
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
JP2573583U
Other languages
Japanese (ja)
Inventor
啓 西牧
Original Assignee
日野自動車株式会社
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 日野自動車株式会社 filed Critical 日野自動車株式会社
Priority to JP2573583U priority Critical patent/JPS59132710U/en
Publication of JPS59132710U publication Critical patent/JPS59132710U/en
Pending legal-status Critical Current

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  • Drilling And Boring (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 drawings]

第１図は本考案装置の要部縦断面図、第２図は第１図の
■−■線断面図である。 １・・・スピイドル、２・・・ドリルチャック、４・・
・ドリル、５・・・係合凹部、６・・・プランジャ、７
・・・スプ　　゛リング、８・・・過大トルク検出スイ
ッチ。FIG. 1 is a longitudinal cross-sectional view of a main part of the device of the present invention, and FIG. 2 is a cross-sectional view taken along the line ■--■ in FIG. 1... Spidle, 2... Drill chuck, 4...
・Drill, 5... Engaging recess, 6... Plunger, 7
...Spring, 8...Excessive torque detection switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転動力源と連繋するスピンドルにドリルチャックを回
転自在に軸承し、このドリルチャックの外周面に係合凹
部を設け、前記スピンドルには前記係合凹部に係合して
トルクを伝達するプランジャを進退可能に設けると共に
、前記係合方向の前進方向に押圧するスプリングを備え
、またプランジャの後退変位により人捜する過大トルク
検出スイッチを設けたことを特徴とするドリルの折損防
止装置。A drill chuck is rotatably supported on a spindle connected to a rotary power source, an engagement recess is provided on the outer peripheral surface of the drill chuck, and a plunger that engages with the engagement recess and transmits torque moves back and forth on the spindle. A breakage prevention device for a drill, characterized in that it is provided with a spring that presses in the forward direction of the engagement direction, and is also provided with an overtorque detection switch that detects a person by the backward displacement of the plunger.
JP2573583U 1983-02-25 1983-02-25 Drill breakage prevention device Pending JPS59132710U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2573583U JPS59132710U (en) 1983-02-25 1983-02-25 Drill breakage prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2573583U JPS59132710U (en) 1983-02-25 1983-02-25 Drill breakage prevention device

Publications (1)

Publication Number Publication Date
JPS59132710U true JPS59132710U (en) 1984-09-05

Family

ID=30156708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2573583U Pending JPS59132710U (en) 1983-02-25 1983-02-25 Drill breakage prevention device

Country Status (1)

Country Link
JP (1) JPS59132710U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61154613U (en) * 1985-03-15 1986-09-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101305A (en) * 1979-01-25 1980-08-02 Howa Mach Ltd Preventing device for breaking of drill

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101305A (en) * 1979-01-25 1980-08-02 Howa Mach Ltd Preventing device for breaking of drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61154613U (en) * 1985-03-15 1986-09-25

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