FR521482A - Differential gear unit, automatic belt tensioner, for machine tools - Google Patents

Differential gear unit, automatic belt tensioner, for machine tools

Info

Publication number
FR521482A
FR521482A FR521482A FR521482DA FR521482A FR 521482 A FR521482 A FR 521482A FR 521482 A FR521482 A FR 521482A FR 521482D A FR521482D A FR 521482DA FR 521482 A FR521482 A FR 521482A
Authority
FR
France
Prior art keywords
gear unit
differential gear
machine tools
belt tensioner
automatic belt
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
FR521482A
Other languages
French (fr)
Inventor
Alphonse Just
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.)
ALPHONSE JUST
Original Assignee
ALPHONSE JUST
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 ALPHONSE JUST filed Critical ALPHONSE JUST
Application granted granted Critical
Publication of FR521482A publication Critical patent/FR521482A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR521482A 1919-06-07 1919-06-07 Differential gear unit, automatic belt tensioner, for machine tools Expired FR521482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR521482T 1919-06-07

Publications (1)

Publication Number Publication Date
FR521482A true FR521482A (en) 1921-07-15

Family

ID=8917277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521482A Expired FR521482A (en) 1919-06-07 1919-06-07 Differential gear unit, automatic belt tensioner, for machine tools

Country Status (1)

Country Link
FR (1) FR521482A (en)

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