FR519686A - Drill holder - Google Patents

Drill holder

Info

Publication number
FR519686A
FR519686A FR519686A FR519686DA FR519686A FR 519686 A FR519686 A FR 519686A FR 519686 A FR519686 A FR 519686A FR 519686D A FR519686D A FR 519686DA FR 519686 A FR519686 A FR 519686A
Authority
FR
France
Prior art keywords
drill holder
drill
holder
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
FR519686A
Other languages
French (fr)
Inventor
Jakob Raggenbass
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 FR519686A publication Critical patent/FR519686A/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
    • B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
    • B23B31/16158—Jaws movement actuated by coaxial conical surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR519686A 1918-12-18 1920-06-25 Drill holder Expired FR519686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH519686X 1918-12-18

Publications (1)

Publication Number Publication Date
FR519686A true FR519686A (en) 1921-06-14

Family

ID=4517880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR519686A Expired FR519686A (en) 1918-12-18 1920-06-25 Drill holder

Country Status (2)

Country Link
CH (1) CH82469A (en)
FR (1) FR519686A (en)

Also Published As

Publication number Publication date
CH82469A (en) 1920-02-02

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