GB578146A - An attachment for use in servicing screw-threading taps - Google Patents
An attachment for use in servicing screw-threading tapsInfo
- Publication number
- GB578146A GB578146A GB2426544A GB2426544A GB578146A GB 578146 A GB578146 A GB 578146A GB 2426544 A GB2426544 A GB 2426544A GB 2426544 A GB2426544 A GB 2426544A GB 578146 A GB578146 A GB 578146A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chuck
- spindle
- tap
- indexing
- rocking movement
- 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
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/18—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of taps or reamers
- B24B3/22—Relief cutting of taps or reamers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
578,146. Tap grinding. ROLLASON, S. H. Dec. 5, 1944, No. 24265. [Class 60] A tap, the lead of which is to be ground with relief, is held against a grinding disc by a chuck eccentrically mounted in a cylindrical member rockable about an axis parallel to that of the chuck ; means are provided for indexing the chuck, for limiting the rocking movement and for setting the range of the rocking movement. A base plate 11 rotatably supports a housing 12 in which a rockable spindle 13 is journalled in bearings 14, 15. Eccentrically mounted within the spindle is a shank 16 fast with an indexing ring 17 to which a chuck 18, carrying a tap 23, is bolted. Mounted on a flange 24 fast with the spindle 13 is a plate 26 carrying an operating and rocking handle 28 containing a spring pressed plunger 33 which co-operates with a series of indexing holes 34 or 35. To limit the rocking movement an abutment pin 31, carried on an adjustable cap 32, enters a slot 30 in a ring 29.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2426544A GB578146A (en) | 1944-12-05 | 1944-12-05 | An attachment for use in servicing screw-threading taps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2426544A GB578146A (en) | 1944-12-05 | 1944-12-05 | An attachment for use in servicing screw-threading taps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB578146A true GB578146A (en) | 1946-06-17 |
Family
ID=10208995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2426544A Expired GB578146A (en) | 1944-12-05 | 1944-12-05 | An attachment for use in servicing screw-threading taps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB578146A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2578842A (en) * | 1944-12-05 | 1951-12-18 | Sidney H Rollason | Attachment for use in servicing screw-threading taps |
| CN103009197A (en) * | 2012-12-10 | 2013-04-03 | 刘晓明 | Rotary cutter grinder and use method |
-
1944
- 1944-12-05 GB GB2426544A patent/GB578146A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2578842A (en) * | 1944-12-05 | 1951-12-18 | Sidney H Rollason | Attachment for use in servicing screw-threading taps |
| CN103009197A (en) * | 2012-12-10 | 2013-04-03 | 刘晓明 | Rotary cutter grinder and use method |
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