US471792A - Robert hiesch - Google Patents
Robert hiesch Download PDFInfo
- Publication number
- US471792A US471792A US471792DA US471792A US 471792 A US471792 A US 471792A US 471792D A US471792D A US 471792DA US 471792 A US471792 A US 471792A
- Authority
- US
- United States
- Prior art keywords
- brush
- robert
- brushes
- commutator
- hiesch
- 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 - Lifetime
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 229910002804 graphite Inorganic materials 0.000 description 14
- 239000010439 graphite Substances 0.000 description 14
- 239000002184 metal Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 102100000775 REN Human genes 0.000 description 2
- 108090000783 Renin Proteins 0.000 description 2
- 244000221110 common millet Species 0.000 description 2
- 230000001050 lubricating Effects 0.000 description 2
- 239000003471 mutagenic agent Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/26—Solid sliding contacts, e.g. carbon brush
Definitions
- ROBERT HIRSCH OF MILWVAUKEE, WISCONSIN, ASSIGNOR OF ONE-HALF TO HERMAN MEMINGER, OF SAME PLACE.
- Figure 1 is a perspective view ing to materially strengthen the brush and of a strip or bar of graphite coated with a film to prevent the edges being chipped off in use of copper and adapted for use as a commutaand thereby adding to the durability of the 20 tor-brush.
- Fig. 2 is a similar View of a combrush.
- A represents the strip of ters Patent of the United States, is- 7o graphite; B, the film of copper, applied in any 1.
- the herein-described commutator-brush, 2 5 suitable manneras, for instance, by the eleccomprising a suitably-shaped body, composed tro-deposition of the metal upon the surface of a plurality of strips or bars, eachindeof the graphite.
- strips or bars of graphpendently coated with a film or covering of ite may be made of any desired or convenient electrically-deposited metal, and the series of shape and size, and for use upon small-sized strips or bars united together by means of a 0 machines may be used singly.
- the brushes second film or covering of metahsubstantially for use upon large-sized machines may be as described. composed of a single block or piece of graph- 2.
- commutator-brush ite, or may be composed of a plurality of comprising a suitably-shaped body composed smaller strips or bars placed side by side and of a plurality of strips or bars of graphite, 5 clamped together or otherwise united, as by each covered with a film or coating of eleca second film of electrically-deposited metal.
- said strips or bars Brushes made in accordance with my inbeing united together by means of a second vention may be used in precisely the same coating of metal, substantially as described. manner as the ordinary forms of brushes, and In testimony that I claim the foregoing I 40 may be clamped or otherwise secured in the have hereunto set my hand, at Milwaukee, in
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
(No Model.)
B. HIRSGH. GOMMUTATOR BRUSH.
No. 471,792. Patented Mar. 29, 1892.
UNITED STATES PATENT OFFICE.
ROBERT HIRSCH, OF MILWVAUKEE, WISCONSIN, ASSIGNOR OF ONE-HALF TO HERMAN MEMINGER, OF SAME PLACE.
COMMUTATOR-BRUSH.
SPECIFICATION forming part of Letters Patent No. 471,792, dated March 29, 1892.
Application filed October 29, 1891. Serial No. 410,165. (No model.)
T 60% whom it may concern: graphite composing the brush the wear upon Be it known that I, ROBERT HIRSGH, a citithe commutator is greatly lessened, the comzen of the United States, and a resident of mutator is kept smooth, and the contact be- 50 Milwaukee, in the county of Milwaukee, and tween the commutator and the brush renin the State of lVisconsin, have invented cerdered more perfect.
tain new and useful Improvements in Com- The necessity of cleaning and sandpaperm utator-Brushes; and I do hereby declare that ing and otherwise polishing orsmoothing the the following is a full, clear, and exact desurface of the commutator, which is neces- 5 scription thereof. sary in the use of the ordinary forms of com- My invention relates to certain new and mutator-brushes, is entirely done away with useful improvements in commutator-brushes by the employment of my improved form of for electric motors and dynamo-electric mabrush, and the surface of the commutator is chines; and it consists in the matters hereinkept bright and clean at all times. after described, and pointed out in the ap- Any metal other than copper may obvi- 15 pended claims. ously be employed to coat the surface of the In the accompanying drawings, illustrating graphite, if desired,.this metallic coating servmy invention, Figure 1. is a perspective view ing to materially strengthen the brush and of a strip or bar of graphite coated with a film to prevent the edges being chipped off in use of copper and adapted for use as a commutaand thereby adding to the durability of the 20 tor-brush. Fig. 2 is a similar View of a combrush.
mutator-brush composed of a number of such Having thus described my invention, what strips or bars united together. I claim as new, and desire to secure by Let- In said drawings, A represents the strip of ters Patent of the United States, is- 7o graphite; B, the film of copper, applied in any 1. The herein-described commutator-brush, 2 5 suitable manneras, for instance, by the eleccomprising a suitably-shaped body, composed tro-deposition of the metal upon the surface of a plurality of strips or bars, eachindeof the graphite. These strips or bars of graphpendently coated with a film or covering of ite may be made of any desired or convenient electrically-deposited metal, and the series of shape and size, and for use upon small-sized strips or bars united together by means of a 0 machines may be used singly. The brushes second film or covering of metahsubstantially for use upon large-sized machines may be as described. composed of a single block or piece of graph- 2. 'Iheherein-described commutator-brush ite, or may be composed of a plurality of comprising a suitably-shaped body composed smaller strips or bars placed side by side and of a plurality of strips or bars of graphite, 5 clamped together or otherwise united, as by each covered with a film or coating of eleca second film of electrically-deposited metal. trically-deposited metal, said strips or bars Brushes made in accordance with my inbeing united together by means of a second vention may be used in precisely the same coating of metal, substantially as described. manner as the ordinary forms of brushes, and In testimony that I claim the foregoing I 40 may be clamped or otherwise secured in the have hereunto set my hand, at Milwaukee, in
usual brush-holders. the county of Milwaukee and State of Wis- By the employment of my improved coincousin, in the presence of two witnesses. mutator-brushes formed, as described, from graphite much better results are attained ROBERT HIRSOH. 5 than can be attained by the use of the ordi- Witnesses:
nary forms of brushes from the fact that by H. G. UNDERWOOD,
the reason of the lubricating properties of the WM. KLUG.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US471792A true US471792A (en) | 1892-03-29 |
Family
ID=2540651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US471792D Expired - Lifetime US471792A (en) | Robert hiesch |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US471792A (en) |
-
0
- US US471792D patent/US471792A/en not_active Expired - Lifetime
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