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FR953007A - Improvements to drills - Google Patents

Improvements to drills

Info

Publication number
FR953007A
FR953007A FR953007DA FR953007A FR 953007 A FR953007 A FR 953007A FR 953007D A FR953007D A FR 953007DA FR 953007 A FR953007 A FR 953007A
Authority
FR
France
Prior art keywords
drills
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.)
MECANIQUE ET D AJUSTAGE DE PRE
Original Assignee
MECANIQUE ET D AJUSTAGE DE PRE
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 MECANIQUE ET D AJUSTAGE DE PRE filed Critical MECANIQUE ET D AJUSTAGE DE PRE
Application granted granted Critical
Publication of FR953007A publication Critical patent/FR953007A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/12—Mechanical drives with means for varying the speed ratio
    • B23Q5/14—Mechanical drives with means for varying the speed ratio step-by-step

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR953007D 1947-08-28 1947-08-28 Improvements to drills Expired FR953007A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR953007T 1947-08-28

Publications (1)

Publication Number Publication Date
FR953007A true FR953007A (en) 1949-11-29

Family

ID=9486885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953007D Expired FR953007A (en) 1947-08-28 1947-08-28 Improvements to drills

Country Status (1)

Country Link
FR (1) FR953007A (en)

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