GB190626177A - Improvements in Chucks for Percussive Drills - Google Patents
Improvements in Chucks for Percussive DrillsInfo
- Publication number
- GB190626177A GB190626177A GB190626177DA GB190626177A GB 190626177 A GB190626177 A GB 190626177A GB 190626177D A GB190626177D A GB 190626177DA GB 190626177 A GB190626177 A GB 190626177A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drill
- washer
- head
- yoke
- nut
- 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
Abstract
26,177. McKay, P. Nov. 19. Rock drills.-A chuck for a percussive rock drill or other boring-tool consists of a head 2 having a longitudinal bore and an intermediate enlarged chamber. The bore contains bushings 5, 6, made angular to receive the drill 7 and separately driven out by a tool entering one of two inclined holes in the head. The bushing 5 is tapered outward at its inner side to permit of slight lateral movement of the drill, and the end of the head is covered by a removable cap 8 held by pins. The drill has part of its stem inclined, to engage a similar bearing- surface 11 on the clamping-yoke in the enlarged chamber. The yoke has two screw-threaded extensions 12, 17 ; the extension 12 passes through a hole 13 and has a nut 15 and a split spring-washer 16 ; the extension 17 passes through a washer 18 and has a stronger spring 20 between the washer and adjusting-nut 19.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190626177T | 1906-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190626177A true GB190626177A (en) | 1907-03-14 |
Family
ID=32257327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190626177D Expired GB190626177A (en) | 1906-11-19 | 1906-11-19 | Improvements in Chucks for Percussive Drills |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190626177A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5288182A (en) * | 1993-01-25 | 1994-02-22 | Circle Machine Company | Boring bar holder and insert with precision placement insert locator means |
-
1906
- 1906-11-19 GB GB190626177D patent/GB190626177A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5288182A (en) * | 1993-01-25 | 1994-02-22 | Circle Machine Company | Boring bar holder and insert with precision placement insert locator means |
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