GB190812922A - A Micrometer for use with Surface Gauge. - Google Patents
A Micrometer for use with Surface Gauge.Info
- Publication number
- GB190812922A GB190812922A GB190812922DA GB190812922A GB 190812922 A GB190812922 A GB 190812922A GB 190812922D A GB190812922D A GB 190812922DA GB 190812922 A GB190812922 A GB 190812922A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- thread
- attached
- pointer
- pulley
- 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
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
12,922. Comyn, D. A. June 17. Gauges.-A device attached to the bar of a surface gauge for measuring variations in height consists of a circular box of magnalium in which slides a rod e carrying a pulley p. Around the pulley a silk thread is led, one end of which is attached to the tensioning - spring f and passes a number of times round the pointer spindle b, the middle turn being jammed in sawcuts in a washer c secured to the spindle. The other end of the thread is attached to a shed on a lever g which can be adjusted so as to alter the direction of the latter end of the thread and therefore the value of the movement of the rod in turns of the pointer spindle, this adjustment enabling a standard movement such as the tenth of an inch of the rod to be made equal to a complete turn of the pointer. The dial scale has a hundred divisions, and the rotatable cover glass has a mark i of black paper attached to it. A pin on the rod works in a guide h to prevent the rod from turning, and a nut is provided on the screwed end to facilitate setting to zero. In a modification, the rod may have a pair of pulleys around which and an additional fixed pulley the thread passes giving greater sensibility. The tensioning-spring f has a narrow looped end to take a knot in the thread and is coiled round and secured to the split plug q which is set to adjust the tension by means of a screwdriver. An eyelet and clamping-screw are fitted to the hinged cover for attachment to the bar of a scribing-block.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190812922T | 1908-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190812922A true GB190812922A (en) | 1909-04-08 |
Family
ID=32636108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190812922D Expired GB190812922A (en) | 1908-06-17 | 1908-06-17 | A Micrometer for use with Surface Gauge. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190812922A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2565970A (en) * | 1944-11-24 | 1951-08-28 | Keef | Tension measuring instrument |
| US2580227A (en) * | 1946-07-05 | 1951-12-25 | Joseph C Hoover | Gauge |
| US3068581A (en) * | 1961-01-11 | 1962-12-18 | Robert N Skalwold | Contour scanning device |
| US3699473A (en) * | 1969-03-24 | 1972-10-17 | Ames Co B C | Dial indicators |
-
1908
- 1908-06-17 GB GB190812922D patent/GB190812922A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2565970A (en) * | 1944-11-24 | 1951-08-28 | Keef | Tension measuring instrument |
| US2580227A (en) * | 1946-07-05 | 1951-12-25 | Joseph C Hoover | Gauge |
| US3068581A (en) * | 1961-01-11 | 1962-12-18 | Robert N Skalwold | Contour scanning device |
| US3699473A (en) * | 1969-03-24 | 1972-10-17 | Ames Co B C | Dial indicators |
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