JPS6247642B2 - - Google Patents

Info

Publication number
JPS6247642B2
JPS6247642B2 JP11833984A JP11833984A JPS6247642B2 JP S6247642 B2 JPS6247642 B2 JP S6247642B2 JP 11833984 A JP11833984 A JP 11833984A JP 11833984 A JP11833984 A JP 11833984A JP S6247642 B2 JPS6247642 B2 JP S6247642B2
Authority
JP
Japan
Prior art keywords
sleeve
shaft
spring
supported
rocking arm
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
JP11833984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60263608A (ja
Inventor
Masateru Tamura
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11833984A priority Critical patent/JPS60263608A/ja
Publication of JPS60263608A publication Critical patent/JPS60263608A/ja
Publication of JPS6247642B2 publication Critical patent/JPS6247642B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/18—Chucks with simultaneously-acting jaws, whether or not also individually adjustable pivotally movable in planes containing the axis of the chuck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/044—Drills for trepanning with core holding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
JP11833984A 1984-06-11 1984-06-11 ドリル用コア落下防止具 Granted JPS60263608A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11833984A JPS60263608A (ja) 1984-06-11 1984-06-11 ドリル用コア落下防止具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11833984A JPS60263608A (ja) 1984-06-11 1984-06-11 ドリル用コア落下防止具

Publications (2)

Publication Number Publication Date
JPS60263608A JPS60263608A (ja) 1985-12-27
JPS6247642B2 true JPS6247642B2 (enExample) 1987-10-08

Family

ID=14734225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11833984A Granted JPS60263608A (ja) 1984-06-11 1984-06-11 ドリル用コア落下防止具

Country Status (1)

Country Link
JP (1) JPS60263608A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01109527U (enExample) * 1988-01-18 1989-07-25
JPH02112555A (ja) * 1988-10-20 1990-04-25 Ig Tech Res Inc パネルを用いた壁の縦目地構造

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4441275B4 (de) * 1994-11-19 2004-03-25 Robert Bosch Gmbh Zentrierbohreinsatz für ein Hohlbohrwerkzeug
FR2864921B1 (fr) * 2004-01-09 2007-08-10 Jean Claude Sudan Accessoire pour scie cloche et scie cloche equipee de cet accessoire
US7513718B1 (en) * 2005-09-12 2009-04-07 Mark Arnold Alignment device for a hole saw and method of enlarging a hole using same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01109527U (enExample) * 1988-01-18 1989-07-25
JPH02112555A (ja) * 1988-10-20 1990-04-25 Ig Tech Res Inc パネルを用いた壁の縦目地構造

Also Published As

Publication number Publication date
JPS60263608A (ja) 1985-12-27

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