GB396134A - Improvements in drilling machines - Google Patents

Improvements in drilling machines

Info

Publication number
GB396134A
GB396134A GB523132A GB523132A GB396134A GB 396134 A GB396134 A GB 396134A GB 523132 A GB523132 A GB 523132A GB 523132 A GB523132 A GB 523132A GB 396134 A GB396134 A GB 396134A
Authority
GB
United Kingdom
Prior art keywords
turn
pinion
gears
spindle
speed
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
GB523132A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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
Priority to BE386803D priority Critical patent/BE386803A/xx
Application filed by Individual filed Critical Individual
Priority to GB523132A priority patent/GB396134A/en
Publication of GB396134A publication Critical patent/GB396134A/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)
  • Drilling And Boring (AREA)
GB523132A 1932-02-22 1932-02-22 Improvements in drilling machines Expired GB396134A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE386803D BE386803A (en:Method) 1932-02-22
GB523132A GB396134A (en) 1932-02-22 1932-02-22 Improvements in drilling machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB523132A GB396134A (en) 1932-02-22 1932-02-22 Improvements in drilling machines

Publications (1)

Publication Number Publication Date
GB396134A true GB396134A (en) 1933-08-03

Family

ID=9792172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB523132A Expired GB396134A (en) 1932-02-22 1932-02-22 Improvements in drilling machines

Country Status (2)

Country Link
BE (1) BE386803A (en:Method)
GB (1) GB396134A (en:Method)

Also Published As

Publication number Publication date
BE386803A (en:Method)

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