FR453820A - Mandrin porte-foret à serrage concentrique - Google Patents

Mandrin porte-foret à serrage concentrique

Info

Publication number
FR453820A
FR453820A FR453820DA FR453820A FR 453820 A FR453820 A FR 453820A FR 453820D A FR453820D A FR 453820DA FR 453820 A FR453820 A FR 453820A
Authority
FR
France
Prior art keywords
self
drill chuck
centering drill
centering
chuck
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
English (en)
Inventor
Charles Boulud
Emile Estevenel
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.)
CHARLES BOULUD
Original Assignee
CHARLES BOULUD
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 CHARLES BOULUD filed Critical CHARLES BOULUD
Application granted granted Critical
Publication of FR453820A publication Critical patent/FR453820A/fr
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
    • B23B31/1253—Jaws movement actuated by an axially movable member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR453820D 1913-01-30 1913-01-30 Mandrin porte-foret à serrage concentrique Expired FR453820A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR453820T 1913-01-30

Publications (1)

Publication Number Publication Date
FR453820A true FR453820A (fr) 1913-06-17

Family

ID=1493893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR453820D Expired FR453820A (fr) 1913-01-30 1913-01-30 Mandrin porte-foret à serrage concentrique

Country Status (1)

Country Link
FR (1) FR453820A (fr)

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