FR472291A - Perfectionnements aux tours pour empecher le broutage - Google Patents
Perfectionnements aux tours pour empecher le broutageInfo
- Publication number
- FR472291A FR472291A FR472291DA FR472291A FR 472291 A FR472291 A FR 472291A FR 472291D A FR472291D A FR 472291DA FR 472291 A FR472291 A FR 472291A
- Authority
- FR
- France
- Prior art keywords
- towers
- grazing
- prevent
- prevent grazing
- 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
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
- B23Q5/142—Mechanical drives with means for varying the speed ratio step-by-step mechanically-operated
-
- 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
- B23Q2705/00—Driving working spindles or feeding members carrying tools or work
- B23Q2705/02—Driving working spindles
- B23Q2705/06—Mechanical drives with means for varying the speed ratio
- B23Q2705/062—Mechanical drives with means for varying the speed ratio for lathes
- B23Q2705/064—Mechanical drives with means for varying the speed ratio for lathes mechanically controlled
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR472291T | 1914-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR472291A true FR472291A (fr) | 1914-11-27 |
Family
ID=1510479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR472291D Expired FR472291A (fr) | 1914-05-16 | 1914-05-16 | Perfectionnements aux tours pour empecher le broutage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR472291A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2386385A1 (fr) * | 1977-04-07 | 1978-11-03 | Werkzeugmasch Okt Veb | Commande de rotation pour la broche principale d'une machine-outil |
-
1914
- 1914-05-16 FR FR472291D patent/FR472291A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2386385A1 (fr) * | 1977-04-07 | 1978-11-03 | Werkzeugmasch Okt Veb | Commande de rotation pour la broche principale d'une machine-outil |
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