JPS646881B2 - - Google Patents

Info

Publication number
JPS646881B2
JPS646881B2 JP9104981A JP9104981A JPS646881B2 JP S646881 B2 JPS646881 B2 JP S646881B2 JP 9104981 A JP9104981 A JP 9104981A JP 9104981 A JP9104981 A JP 9104981A JP S646881 B2 JPS646881 B2 JP S646881B2
Authority
JP
Japan
Prior art keywords
casing
drill chuck
drill
tool
rotational displacement
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.)
Expired
Application number
JP9104981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57205012A (en
Inventor
Takashi Suzuki
Shigeru Shinohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki Co Ltd
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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP9104981A priority Critical patent/JPS57205012A/ja
Publication of JPS57205012A publication Critical patent/JPS57205012A/ja
Publication of JPS646881B2 publication Critical patent/JPS646881B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/002—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
    • B23Q17/003—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a position

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
JP9104981A 1981-06-12 1981-06-12 Motor machine tool Granted JPS57205012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9104981A JPS57205012A (en) 1981-06-12 1981-06-12 Motor machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9104981A JPS57205012A (en) 1981-06-12 1981-06-12 Motor machine tool

Publications (2)

Publication Number Publication Date
JPS57205012A JPS57205012A (en) 1982-12-16
JPS646881B2 true JPS646881B2 (enExample) 1989-02-06

Family

ID=14015641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9104981A Granted JPS57205012A (en) 1981-06-12 1981-06-12 Motor machine tool

Country Status (1)

Country Link
JP (1) JPS57205012A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540318A (en) * 1982-07-29 1985-09-10 Robert Bosch, Gmbh Rotary electrical tool with speed control, especially drill
DE4404988A1 (de) * 1994-02-17 1995-08-24 Bosch Gmbh Robert Elektrowerkzeug mit Spannvorrichtung zur Erfassung der Öffnungsweite

Also Published As

Publication number Publication date
JPS57205012A (en) 1982-12-16

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