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)

Similar Documents

Publication Publication Date Title
FR966204A (en) Improvements to connections
FR974656A (en) Improvements relating to substituted piperazines
FR1004182A (en) Improvements to firedogs
FR944751A (en) Improvements to grinder-homogenizers
FR1282050A (en) Improvements to planers
FR951872A (en) Improvements to seed drills
FR967431A (en) Improvements to turbo-reactors
FR947768A (en) Improvements to bicycles
FR967764A (en) Improvements to gloves
FR55238E (en) Improvements to seed drills
FR953007A (en) Improvements to drills
FR948889A (en) Improvements to cranes
FR1004513A (en) Improvements to boilers
FR971528A (en) Improvements to commercial machines
FR945411A (en) Improvements to radio-receivers
FR1015441A (en) Improvements to packaging
FR1008319A (en) Flip-flop improvements
FR953328A (en) Improvements to aircraft
FR946650A (en) Improvements to rotating rasps
FR945887A (en) Improvements made to carburetor-injectors
FR1016922A (en) Improvements to percussion tools
FR970847A (en) Improvements to locks
FR943471A (en) Improvements to ordinary courses
FR940386A (en) Improvements to gasifiers
FR56616E (en) Improvements to gasifiers