FR598950A - Centering device for drilling machines and lathes - Google Patents

Centering device for drilling machines and lathes

Info

Publication number
FR598950A
FR598950A FR598950DA FR598950A FR 598950 A FR598950 A FR 598950A FR 598950D A FR598950D A FR 598950DA FR 598950 A FR598950 A FR 598950A
Authority
FR
France
Prior art keywords
lathes
centering device
drilling machines
drilling
machines
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
Paul Forkardt
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 filed Critical
Application granted granted Critical
Publication of FR598950A publication Critical patent/FR598950A/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
    • B23B31/16045—Jaws movement actuated by screws and nuts or oblique racks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR598950D 1925-04-20 1925-05-18 Centering device for drilling machines and lathes Expired FR598950A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE598950T 1925-04-20

Publications (1)

Publication Number Publication Date
FR598950A true FR598950A (en) 1925-12-29

Family

ID=1540350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR598950D Expired FR598950A (en) 1925-04-20 1925-05-18 Centering device for drilling machines and lathes

Country Status (1)

Country Link
FR (1) FR598950A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127710A (en) * 1962-07-03 1964-04-07 Progressive Tool & Mfg Company Work-engaging and positioning device for machine tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127710A (en) * 1962-07-03 1964-04-07 Progressive Tool & Mfg Company Work-engaging and positioning device for machine tools

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