FR495490A - Mandrel for drilling tool - Google Patents

Mandrel for drilling tool

Info

Publication number
FR495490A
FR495490A FR495490DA FR495490A FR 495490 A FR495490 A FR 495490A FR 495490D A FR495490D A FR 495490DA FR 495490 A FR495490 A FR 495490A
Authority
FR
France
Prior art keywords
mandrel
drilling tool
drilling
tool
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
Other languages
French (fr)
Inventor
George W Emrick
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
Application granted granted Critical
Publication of FR495490A publication Critical patent/FR495490A/en
Expired 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
    • B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
    • B23B31/1246—Jaws movement actuated by a bolt with conical screw-thread

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
FR495490D 1919-03-07 1919-02-04 Mandrel for drilling tool Expired FR495490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB575219A GB124434A (en) 1919-03-07 1919-03-07 Improvements relating to Drill Chucks.

Publications (1)

Publication Number Publication Date
FR495490A true FR495490A (en) 1919-10-09

Family

ID=32342281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR495490D Expired FR495490A (en) 1919-03-07 1919-02-04 Mandrel for drilling tool

Country Status (2)

Country Link
FR (1) FR495490A (en)
GB (1) GB124434A (en)

Also Published As

Publication number Publication date
GB124434A (en) 1920-01-29

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