FR358941A - Drill head - Google Patents

Drill head

Info

Publication number
FR358941A
FR358941A FR358941A FR358941DA FR358941A FR 358941 A FR358941 A FR 358941A FR 358941 A FR358941 A FR 358941A FR 358941D A FR358941D A FR 358941DA FR 358941 A FR358941 A FR 358941A
Authority
FR
France
Prior art keywords
drill head
drill
head
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
FR358941A
Other languages
French (fr)
Inventor
Ernst Muller
George Rothenbucher
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR358941A publication Critical patent/FR358941A/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
    • B23B31/223—Jaws in the form of cylindrical elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
FR358941A 1905-10-28 Drill head Expired FR358941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR358941T

Publications (1)

Publication Number Publication Date
FR358941A true FR358941A (en) 1906-03-12

Family

ID=8893720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR358941A Expired FR358941A (en) 1905-10-28 Drill head

Country Status (2)

Country Link
DE (1) DE187056C (en)
FR (1) FR358941A (en)

Also Published As

Publication number Publication date
DE187056C (en)

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