GB396134A - Improvements in drilling machines - Google Patents
Improvements in drilling machinesInfo
- 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
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE386803D BE386803A (fr) | 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 (fr) |
GB (1) | GB396134A (fr) |
-
0
- BE BE386803D patent/BE386803A/xx unknown
-
1932
- 1932-02-22 GB GB523132A patent/GB396134A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE386803A (fr) |
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