US32625A - Ltjdwig august hoffmann - Google Patents
Ltjdwig august hoffmann Download PDFInfo
- Publication number
- US32625A US32625A US32625DA US32625A US 32625 A US32625 A US 32625A US 32625D A US32625D A US 32625DA US 32625 A US32625 A US 32625A
- Authority
- US
- United States
- Prior art keywords
- august
- hoffmann
- ltjdwig
- zinc
- brush
- 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
- 229910052725 zinc Inorganic materials 0.000 description 28
- 239000011701 zinc Substances 0.000 description 28
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 26
- 229910052802 copper Inorganic materials 0.000 description 20
- 239000010949 copper Substances 0.000 description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- 239000004744 fabric Substances 0.000 description 14
- 239000002023 wood Substances 0.000 description 10
- 150000001879 copper Chemical class 0.000 description 6
- 239000010985 leather Substances 0.000 description 6
- 230000036633 rest Effects 0.000 description 6
- 230000001680 brushing Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 244000153665 Ficus glomerata Species 0.000 description 2
- 235000012571 Ficus glomerata Nutrition 0.000 description 2
- 241000366880 Quadrans Species 0.000 description 2
- 235000015125 Sterculia urens Nutrition 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000003751 zinc Chemical class 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/20—Applying electric currents by contact electrodes continuous direct currents
- A61N1/26—Electromedical brushes; Electromedical massage devices ; Combs
Definitions
- My invention consists in an oblong quadran gular wood frame five inches long and two and seven-eighths inches broad, on which a piece ofleather curved upward is fixed. ()n this leatherare stuck, in close rows, pins of plated silver wire half an inch long, toward whose heads, at the back of the leather, is placed a polished zinc plate just curved like the same, that bears upon allthe heads of the before-men'- tioned pins. This zinc plate rests with both of its long side walls upon a plain polished copper plate, which is fastened in the above-mentioned wood frame.
- b a 0 represent the leather in which the pins are stuck; d e g, curved zinc plate, which lies against the heads of the pins; K, copper plate fastened in the wood frame. 011 this copper plate rests the before-mentioned curved zinc plate (I e g. F is a piece of felted cloth; Z, zinc plate; 70, copper plate; f, piece of felted cloth, which are loosely placed in the woodframe. 2 is the finishing zinc plate, held by two studs, which are fitted in the grooves in the wood frame.
- the piece of felted cloth F including all the plates and pieces of felted cloth, is to be taken out of the frame.
- the galvanic current thus produced will pass through the curved zinc plate, which, as conductor, rests upon the fastened copper plate which lies against the heads of the pins, into the heads, respectively pins of the friction-brush.
- the friction-brush is held so that the hand touches the finishing zinc plate, the body coming by that in contact with the zinc pole, and then with rubbing and brushing at another part of the body, the copper plate being brought in contact with the body, the electro galvanic chain will be closed by this operation and the current will pass through the body.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrolytic Production Of Metals (AREA)
Description
L. A. HOFFMAN.
Galvanic-Friction Brush.
1 Waves] I f Wen m" UNITED STATES I PATENT Oriana LUDWIG AUGUST HOFFMANN, OF BERLIN, PRUSSIA.
GALVANIC METAL FRICTION-=BRUSH..
Specification forming part of Letters Patent No. 39,625, dated June 25, 1861.
To all whom it may concern:
Be it known that 1, LUDWIG AUGUST Horn- MANN, of Berlin, in the Kingdom of Prussia, have invented an Electro-Galvanic MetalFriction-Brush; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed sheet of drawings, in which- Figures 1 and 2 represent transverse and longitudinal sections.
My invention consists in an oblong quadran gular wood frame five inches long and two and seven-eighths inches broad, on which a piece ofleather curved upward is fixed. ()n this leatherare stuck, in close rows, pins of plated silver wire half an inch long, toward whose heads, at the back of the leather, is placed a polished zinc plate just curved like the same, that bears upon allthe heads of the before-men'- tioned pins. This zinc plate rests with both of its long side walls upon a plain polished copper plate, which is fastened in the above-mentioned wood frame. Against this copper plate apiece of felted cloth is loosely placed, succeeded by a likewise loosely-placed polished zinc plate, to which then is added a loosely-placed polished copper plate, after that a piece of felted cloth, and at last, as a finishing of the friction-brush, a polished zinc plate ,atboth whose narrow sides there are applied small studs that fit into two grooves made at the corresponding sides ofthe wood frame. A plane through the friction-brush parallel to its narrow side will show the transverse section in the adjoined figure.
b a 0 represent the leather in which the pins are stuck; d e g, curved zinc plate, which lies against the heads of the pins; K, copper plate fastened in the wood frame. 011 this copper plate rests the before-mentioned curved zinc plate (I e g. F is a piece of felted cloth; Z, zinc plate; 70, copper plate; f, piece of felted cloth, which are loosely placed in the woodframe. 2 is the finishing zinc plate, held by two studs, which are fitted in the grooves in the wood frame.
It will be understood from this thatthe piece of felted cloth F, including all the plates and pieces of felted cloth, is to be taken out of the frame. Now, if the pieces of felted cloth are dipped into salt-water and, with the plates of metal alluded to, put again into the frictionbrush in the before-stated order, the galvanic current thus produced will pass through the curved zinc plate, which, as conductor, rests upon the fastened copper plate which lies against the heads of the pins, into the heads, respectively pins of the friction-brush. If the friction-brush is held so that the hand touches the finishing zinc plate, the body coming by that in contact with the zinc pole, and then with rubbing and brushing at another part of the body, the copper plate being brought in contact with the body, the electro galvanic chain will be closed by this operation and the current will pass through the body.
Should a person be brushed by another the chain will then be simply formed in the following manner: While theperson whois brushing brushes with one hand he touches with the other him that is to be brushed at any part of his body. It is only to be remarked that where the elements of the chain come in con tact with each other the conducting must be facilitated by moistening them with salt-water, so that the hand which touches the zinc pole and that part of the body which touchesv the copper pole are to be made wet with saltwater.
Having now described the nature of my said invention, and in what manner the same can or may be performed, I claim As a new article of manufacture, the hereindescribed electro-galvanicmetalfriction-brush, the same consisting of a stock containing a series of copper and zinc plates arranged alternately, and having felt or other suitable absorbent interposed, as specified, in combination with the curved leather strap studded with rows of pins of plated silver wire, and the curved zinc plate at the back thereof, the whole being constructed and arranged substantially in the manner and for the purposes set forth.
LUDWIG AUGUST HOFFMANN.
Witnesses:
J ULIN IMME, P. H. F. PRILLWIRT.
Publications (1)
Publication Number | Publication Date |
---|---|
US32625A true US32625A (en) | 1861-06-25 |
Family
ID=2102235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US32625D Expired - Lifetime US32625A (en) | Ltjdwig august hoffmann |
Country Status (1)
Country | Link |
---|---|
US (1) | US32625A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5898706A (en) * | 1997-04-30 | 1999-04-27 | International Business Machines Corporation | Structure and method for reliability stressing of dielectrics |
US5915838A (en) * | 1995-03-24 | 1999-06-29 | Imec Vzw | Method and apparatus for local temperature sensing for use in performing high resolution in-situ parameter measurements |
-
0
- US US32625D patent/US32625A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5915838A (en) * | 1995-03-24 | 1999-06-29 | Imec Vzw | Method and apparatus for local temperature sensing for use in performing high resolution in-situ parameter measurements |
US5898706A (en) * | 1997-04-30 | 1999-04-27 | International Business Machines Corporation | Structure and method for reliability stressing of dielectrics |
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