GB199230A - Improvements in automatic feeds for drilling machines - Google Patents
Improvements in automatic feeds for drilling machinesInfo
- Publication number
- GB199230A GB199230A GB1413322A GB1413322A GB199230A GB 199230 A GB199230 A GB 199230A GB 1413322 A GB1413322 A GB 1413322A GB 1413322 A GB1413322 A GB 1413322A GB 199230 A GB199230 A GB 199230A
- Authority
- GB
- United Kingdom
- Prior art keywords
- feed
- drilling machines
- drilling
- screw
- automatic feeds
- 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
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
Abstract
199,230. Ratcliffe, A. May 19, 1922. Drilling. - A hand drilling-machine having a feed-screw 9 intermittently driven by a cam - operated pawl lever 1 and a feathered ratchet wheel 5, is provided with co-operating stops 7, 10 on the lever 1 and a handwheel 8 or other member rotating as one with the feed'-screw, whereby the feed may be automatically arrested at a predetermined point. Either or both of the stops may be axially adjustable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1413322A GB199230A (en) | 1922-05-19 | 1922-05-19 | Improvements in automatic feeds for drilling machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1413322A GB199230A (en) | 1922-05-19 | 1922-05-19 | Improvements in automatic feeds for drilling machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB199230A true GB199230A (en) | 1923-06-21 |
Family
ID=10035576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1413322A Expired GB199230A (en) | 1922-05-19 | 1922-05-19 | Improvements in automatic feeds for drilling machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB199230A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8846856B2 (en) | 2008-12-30 | 2014-09-30 | Dow Global Technologies Llc | Hydroxyl-functional polyethers and a preparation process therefor |
-
1922
- 1922-05-19 GB GB1413322A patent/GB199230A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8846856B2 (en) | 2008-12-30 | 2014-09-30 | Dow Global Technologies Llc | Hydroxyl-functional polyethers and a preparation process therefor |
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