FR529386A - Improvements to split bushings for driving or advancing the work, for metalworking machines - Google Patents

Improvements to split bushings for driving or advancing the work, for metalworking machines

Info

Publication number
FR529386A
FR529386A FR529386DA FR529386A FR 529386 A FR529386 A FR 529386A FR 529386D A FR529386D A FR 529386DA FR 529386 A FR529386 A FR 529386A
Authority
FR
France
Prior art keywords
advancing
driving
work
split bushings
metalworking 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)
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.)
Devlieg Bullard Inc
Original Assignee
National Acme Co
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 National Acme Co filed Critical National Acme Co
Application granted granted Critical
Publication of FR529386A publication Critical patent/FR529386A/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
    • B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
    • B23B31/201—Characterized by features relating primarily to remote control of the gripping means
    • B23B31/202—Details of the jaws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
FR529386D 1920-02-13 1921-01-05 Improvements to split bushings for driving or advancing the work, for metalworking machines Expired FR529386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US529386XA 1920-02-13 1920-02-13

Publications (1)

Publication Number Publication Date
FR529386A true FR529386A (en) 1921-11-26

Family

ID=21980884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR529386D Expired FR529386A (en) 1920-02-13 1921-01-05 Improvements to split bushings for driving or advancing the work, for metalworking machines

Country Status (2)

Country Link
DE (1) DE390963C (en)
FR (1) FR529386A (en)

Also Published As

Publication number Publication date
DE390963C (en) 1924-02-26

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