AT263129B - Brush holder with roll band spring for brushes without fittings - Google Patents
Brush holder with roll band spring for brushes without fittingsInfo
- Publication number
- AT263129B AT263129B AT1200966A AT1200966A AT263129B AT 263129 B AT263129 B AT 263129B AT 1200966 A AT1200966 A AT 1200966A AT 1200966 A AT1200966 A AT 1200966A AT 263129 B AT263129 B AT 263129B
- Authority
- AT
- Austria
- Prior art keywords
- brushes
- fittings
- brush holder
- band spring
- roll band
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
<Desc/Clms Page number 1>
Bürstenhalter mit Rollbandfeder für armaturlose Bürsten
EMI1.1
<Desc/Clms Page number 2>
B.Bürstenaussparung-10--und erforderlichenfalls eine Aussparung des Bürstenhalters-14-ist Platz für die Rollbandfeder geschaffen. Durch die Änderung des Verhältnisses der Durchmesser von Druckrolle und Rollbandfeder ist nunmehr das schädliche Drehmoment, wie die Zeichnungen erkennen lassen, auf einen sehr geringen Betrag vermindert worden, wie das durch den Vergleich der Hebelarme--9--in Fig. 2 und Fig. 1 ohne weiteres zu erkennen ist.
Fig. 3 zeigt weitere Einzelheiten der Erfindung. Mit der Druckrolle --4-- ist ein leicht bewegliches Kupferseil--11--verbunden. Da dieses Seil eine Drehung der Druckrolle verursachen und dann weiterhin durch Scheuern an der Bürstenführung des Halters defekt werden könnte, kann die Rolle an der Unterseite mit Zapfen--13--versehen sein, die in entsprechende Aussparungen der Kohlebürste eingreifen. Ferner ist in Fig. 3 unter Bezeichnung--12--eine Buchse aus Isoliermaterial zu erkennen, die die Druckrolle gegen die Feder isoliert. Die Buchse wird zweckmässig aus einem Isolierstoff hoher Temperaturbeständigkeit hergestellt. Ausserdem soll der Gleitwiderstand gegenüber dem Material der Achse der Druckrolle möglichst gering sein.
Ebenfalls in Fig. 3 ist die Ausfräsung --10-- in der bekannten Schwalbenschwanzform erkennbar, die das Ein- und Ausbauen der Kohlebürsten bei schlecht zugänglichen Bürstenhaltern erleichtert.
PATENTANSPRÜCHE :
EMI2.1
dass der Durchmesser des Druckstückes kleiner als der Durchmesser der Rollbandfeder ist und die Kohlebürste eine Aussparung für die Rollbandfeder aufweist.
EMI2.2
<Desc / Clms Page number 1>
Brush holder with roll band spring for brushes without fittings
EMI1.1
<Desc / Clms Page number 2>
B. Brush recess-10 - and, if necessary, a recess in the brush holder-14 - space is created for the roll-up spring. By changing the ratio of the diameters of the pressure roller and the roll band spring, the damaging torque has now been reduced to a very small amount, as the drawings show, as shown by comparing the lever arms - 9 - in FIG. 2 and FIG. 1 can be easily recognized.
Fig. 3 shows further details of the invention. An easily movable copper rope - 11 - is connected to the pressure roller --4--. Since this rope could cause the pressure roller to rotate and could then continue to be defective by rubbing against the brush guide of the holder, the roller can be provided on the underside with pins - 13 - which engage in corresponding recesses in the carbon brush. Furthermore, in Fig. 3 under the designation - 12 - a bushing made of insulating material can be seen, which isolates the pressure roller from the spring. The socket is expediently made of an insulating material with a high temperature resistance. In addition, the sliding resistance to the material of the axis of the pressure roller should be as low as possible.
Also in Fig. 3, the milled --10 - in the known dovetail shape can be seen, which facilitates the installation and removal of the carbon brushes in the case of brush holders that are difficult to access.
PATENT CLAIMS:
EMI2.1
that the diameter of the pressure piece is smaller than the diameter of the coil spring and the carbon brush has a recess for the coil spring.
EMI2.2
Claims (1)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1200966A AT263129B (en) | 1966-12-30 | 1966-12-30 | Brush holder with roll band spring for brushes without fittings |
| DE19671613079D DE1613079B (en) | 1966-10-20 | 1967-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1200966A AT263129B (en) | 1966-12-30 | 1966-12-30 | Brush holder with roll band spring for brushes without fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT263129B true AT263129B (en) | 1968-07-10 |
Family
ID=3631802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT1200966A AT263129B (en) | 1966-10-20 | 1966-12-30 | Brush holder with roll band spring for brushes without fittings |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT263129B (en) |
-
1966
- 1966-12-30 AT AT1200966A patent/AT263129B/en active
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