CH317521A - Dial device - Google Patents
Dial deviceInfo
- Publication number
- CH317521A CH317521A CH317521DA CH317521A CH 317521 A CH317521 A CH 317521A CH 317521D A CH317521D A CH 317521DA CH 317521 A CH317521 A CH 317521A
- Authority
- CH
- Switzerland
- Prior art keywords
- indexes
- dial
- bezel
- dial device
- transparent
- Prior art date
Links
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/22—Feeler-pin gauges, e.g. dial gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
Appareil à cadran La présente invention a pour objet un appareil à cadran du type comportant des index mobiles de tolérance. , Cet appareil est caractérisé en ce que les dits index sont transparents.
Le dessin annexé représente, à titre d'exem ple, une forme d'exécution de l'appareil faisant l'objet de l'invention.
La fig. 1 est une vue en plan d'une partie de cet appareil.
La fig. 2 est une vue en coupe par la ligne 2-2 de la fig. 1.
Pour la clarté du dessin, seule la partie de l'appareil portant le cadran a été représentée, cette partie étant destinée à être utilisée, par exemple pour un comparateur ou autre instru- ment de mesure.
Dans la forme d'exécution représentée, 1 désigne une lunette, par exemple en matière plastique transparente présentant un verre bombé 2 venu de fabrication. Un cadran gra dué 3 est monté à l'intérieur de la lunette 1 et repose sur une plaque de support 4 maintenue dans la lunette au moyen d'une bague élastique non représentée.
Deux index 5 et 6, en matière plastique transparente, sont montés coulissant sur la lu nette 1. A cet effet, chaque index présente, d'une part, un rebord 7 en forme de crochet, embrassant le bord libre de la lunette 1, et, d'autre part, une nervure 8 destinée à être re tenue dans un sillon périphérique 9 situé entre le verre, bombé 2 et la lunette 1 proprement dite. Grâce à l'élasticité propre de l'index qui peut être légèrement déformé lors de sa mise en place, la nervure 8 est appliquée élastique- ment dans le sillon 9.
Les index 5 et 6 décrits peuvent être colo rés, de préférence chacun d'une couleur diffé rente, et peuvent- porter un repère fixe. Ces index servent à fixer notamment des limites inférieure et supérieure de tolérance sur le ca dran d'un comparateur, par exemple.
Dial Apparatus The present invention relates to a dial apparatus of the type comprising movable tolerance indexes. , This device is characterized in that said indexes are transparent.
The appended drawing represents, by way of example, an embodiment of the apparatus forming the subject of the invention.
Fig. 1 is a plan view of part of this apparatus.
Fig. 2 is a sectional view taken along line 2-2 of FIG. 1.
For clarity of the drawing, only the part of the apparatus bearing the dial has been shown, this part being intended to be used, for example for a comparator or other measuring instrument.
In the embodiment shown, 1 denotes a bezel, for example made of transparent plastic material having a curved lens 2 which has been manufactured. A grained dial 3 is mounted inside the bezel 1 and rests on a support plate 4 held in the bezel by means of an elastic ring, not shown.
Two indexes 5 and 6, in transparent plastic material, are mounted to slide on the net read 1. For this purpose, each index has, on the one hand, a rim 7 in the form of a hook, embracing the free edge of the bezel 1, and, on the other hand, a rib 8 intended to be held in a peripheral groove 9 situated between the glass, curved 2 and the bezel 1 proper. Thanks to the inherent elasticity of the index, which can be slightly deformed when it is put in place, the rib 8 is applied elastically in the groove 9.
The indexes 5 and 6 described may be colored, preferably each of a different color, and may bear a fixed mark. These indices are used in particular to set lower and upper tolerance limits on the dial of a comparator, for example.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH317521T | 1954-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH317521A true CH317521A (en) | 1956-11-30 |
Family
ID=4496837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH317521D CH317521A (en) | 1954-09-10 | 1954-09-10 | Dial device |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH317521A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2133818A1 (en) * | 1970-07-10 | 1972-06-22 | Apparecchi Elettronici Parposs | Measuring instrument with display device of the tolerance limits |
| US4020787A (en) * | 1975-11-21 | 1977-05-03 | Diversified Interests Inc. | Visual altitude alerting indicator |
-
1954
- 1954-09-10 CH CH317521D patent/CH317521A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2133818A1 (en) * | 1970-07-10 | 1972-06-22 | Apparecchi Elettronici Parposs | Measuring instrument with display device of the tolerance limits |
| US4020787A (en) * | 1975-11-21 | 1977-05-03 | Diversified Interests Inc. | Visual altitude alerting indicator |
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