GB146752A - Improved device for use in sharpening gramophone needles and the like - Google Patents
Improved device for use in sharpening gramophone needles and the likeInfo
- Publication number
- GB146752A GB146752A GB2334019A GB2334019A GB146752A GB 146752 A GB146752 A GB 146752A GB 2334019 A GB2334019 A GB 2334019A GB 2334019 A GB2334019 A GB 2334019A GB 146752 A GB146752 A GB 146752A
- Authority
- GB
- United Kingdom
- Prior art keywords
- needles
- sharpening
- gramophone
- improved device
- needle
- 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
- B24B19/165—Phonograph needles and the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
146,752. Burchett, A. C. Sept. 23, 1919. Needles and the like, pointing.-A device for sharpening gramophone needles &c. comprises a f rame a having formed thereon a fingerpiece a<1> and two lugs a<2>, in which is journaled a spindle b provided with a driving-roller c and having one end formed to provide a holder for the needles. The holder is formed by providing the spindle end with a screwed part d' and a tapered part d split and centrally bored at d<2>, a nut e with a tapered portion e<1> serving to press the split parts on to the needle. In operation, the device is held by the part a<1> and the roller is pressed on the rotating table of a gramophone, or other rotating member, and an oilstone or other sharpener is held against the point of the needle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2334019A GB146752A (en) | 1919-09-23 | 1919-09-23 | Improved device for use in sharpening gramophone needles and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2334019A GB146752A (en) | 1919-09-23 | 1919-09-23 | Improved device for use in sharpening gramophone needles and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB146752A true GB146752A (en) | 1920-07-15 |
Family
ID=10194042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2334019A Expired GB146752A (en) | 1919-09-23 | 1919-09-23 | Improved device for use in sharpening gramophone needles and the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB146752A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5259146A (en) * | 1992-08-11 | 1993-11-09 | Jinkins Perry L | Device and method for shaping the end of a rod |
CN106346335A (en) * | 2015-07-15 | 2017-01-25 | 睿励科学仪器(上海)有限公司 | Grinding wire adjusting mechanism and method |
-
1919
- 1919-09-23 GB GB2334019A patent/GB146752A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5259146A (en) * | 1992-08-11 | 1993-11-09 | Jinkins Perry L | Device and method for shaping the end of a rod |
CN106346335A (en) * | 2015-07-15 | 2017-01-25 | 睿励科学仪器(上海)有限公司 | Grinding wire adjusting mechanism and method |
CN106346335B (en) * | 2015-07-15 | 2019-01-22 | 睿励科学仪器(上海)有限公司 | Grinding silk adjustment mechanism and grinding silk method of adjustment |
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