GB143053A - Improvements in means for engaging and disengaging the lead screw in lathes and like machine tools - Google Patents
Improvements in means for engaging and disengaging the lead screw in lathes and like machine toolsInfo
- Publication number
- GB143053A GB143053A GB1377919A GB1377919A GB143053A GB 143053 A GB143053 A GB 143053A GB 1377919 A GB1377919 A GB 1377919A GB 1377919 A GB1377919 A GB 1377919A GB 143053 A GB143053 A GB 143053A
- Authority
- GB
- United Kingdom
- Prior art keywords
- engaging
- lathes
- disengaging
- lead screw
- machine tools
- 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
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/406—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw with means for meshing screw and nut
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
143,053. Smith, A. May 31, 1919. Driving machines. - The lead-screw nut of a lathe &c. is arranged to slide to and from the screw on a guideway as controlled by crankpins engaging a camshaped recess cut in the nut. The recess is formed by intersecting circular holes f, f<1>, permitting easy production by drilling or milling. Flats g, g<1> are formed at the intersections. The Figure shows the engaged position, the crank-pin k<1> being held by the weight of the handle p on the flat g<1> at the dead'-centre. A surface s<1> formed on a part of the shaft rests against one of the guide-strips. In the disengaged position, the pin k engages the flat g, and the surface s contacts with the guide-strip. Adjustment for wear is provided by mounting the shaft m in an eccentric bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1377919A GB143053A (en) | 1919-05-31 | 1919-05-31 | Improvements in means for engaging and disengaging the lead screw in lathes and like machine tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1377919A GB143053A (en) | 1919-05-31 | 1919-05-31 | Improvements in means for engaging and disengaging the lead screw in lathes and like machine tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB143053A true GB143053A (en) | 1920-05-20 |
Family
ID=10029202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1377919A Expired GB143053A (en) | 1919-05-31 | 1919-05-31 | Improvements in means for engaging and disengaging the lead screw in lathes and like machine tools |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB143053A (en) |
-
1919
- 1919-05-31 GB GB1377919A patent/GB143053A/en not_active Expired
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