FR903808A - Tour automatique - Google Patents
Tour automatiqueInfo
- Publication number
- FR903808A FR903808A FR903808DA FR903808A FR 903808 A FR903808 A FR 903808A FR 903808D A FR903808D A FR 903808DA FR 903808 A FR903808 A FR 903808A
- Authority
- FR
- France
- Prior art keywords
- automatic lap
- lap
- automatic
- 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 |
---|---|---|---|
CH903808X | 1943-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR903808A true FR903808A (fr) | 1945-10-18 |
Family
ID=4546753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR903808D Expired FR903808A (fr) | 1943-07-23 | 1944-04-27 | Tour automatique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR903808A (fr) |
-
1944
- 1944-04-27 FR FR903808D patent/FR903808A/fr not_active Expired
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