US189284A - Improvement in counterfeit-coin detecters - Google Patents
Improvement in counterfeit-coin detecters Download PDFInfo
- Publication number
- US189284A US189284A US189284DA US189284A US 189284 A US189284 A US 189284A US 189284D A US189284D A US 189284DA US 189284 A US189284 A US 189284A
- Authority
- US
- United States
- Prior art keywords
- coin
- counterfeit
- improvement
- detecters
- flanges
- 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
- 230000036633 rest Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
- G07D5/04—Testing the weight
Definitions
- This instrument can be struck out completed (except bending the flanges F) by one stroke of a die.
- the object of the invention is the detection Counterfeit coin are usually lighter than genuine, and on this fact the invention is based.
- iianges F are flanges, on which the instrument rests. These iianges F are bent from the bar or plate C at an angle of from seventy to eighty degrees, as being a suitable angle, but may be at a greater or less angle.
- the part K of the plate C K that projects beyond the flanges F is supplied with ears or lugs D, arranged in pairs. Each pair is so constructed as to clasp a coin of the denomination designed for it.
- the space designed for a United States coin of a given denomination is suitably indicated on the bar K.
- the beam or bar C K is balanced, so as to rest on the flanges F, as shown in Fig. 1.
- the bar C K will be tipped down, as shown in Fig. 2, till the point E rests on the table or support L, the bar C K turning on the point H ot' the flanges F.
- the bar C K provided with the flanges F, and lugs D D,
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Coins (AREA)
Description
J'. A. THOMPSON,
GOUNTERFEIT coIN DETECTOR.
No.189,28 4. ,Patenea Apr11s,1e77.
W. %VM M v of counterfeit coin.
UNITED STATES PATENT OFFICE JOHN A. THOMPSON, OF CHICAGO, ILLINOIS.
IMPROVEMENT IN COUNTERFElT-COIN DETECTERS.
A Specification forming part of Letters Patent No. l 89,284, dated April 3, 1877; application tiled February 23, 18 77.
To all whom it may concern Be it known that I, JOHN A. THOMPSON, of
l the city of Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Counterfeit-Coin Detecters, which improvement is fully set forth in the following specification, reference being had to lthe accompanying drawings, in which- Figure l is a perspective View of my invention; Fig. 2, a side view of my invention when testing a genuine coin. Fig. 3 is a sectional view on the line y y, Fig. l.
This instrument can be struck out completed (except bending the flanges F) by one stroke of a die.
The object of the invention is the detection Counterfeit coin are usually lighter than genuine, and on this fact the invention is based.
F are flanges, on which the instrument rests. These iianges F are bent from the bar or plate C at an angle of from seventy to eighty degrees, as being a suitable angle, but may be at a greater or less angle. The part K of the plate C K that projects beyond the flanges F is supplied with ears or lugs D, arranged in pairs. Each pair is so constructed as to clasp a coin of the denomination designed for it.
The space designed for a United States coin of a given denomination is suitably indicated on the bar K.
The beam or bar C K is balanced, so as to rest on the flanges F, as shown in Fig. 1. When'a genuine United States silver coin is placed in its proper receptacle the bar C K will be tipped down, as shown in Fig. 2, till the point E rests on the table or support L, the bar C K turning on the point H ot' the flanges F.
If a genuine coin of a given denomination is placed in the receptacle corresponding to such denomination the bar K will be tipped, as shown in Fig. 2.
If a counterfeit coin of the proper denomination is placed in either receptacle the instrument remains resting on the flanges F, as shown in Fig. l.
What I claim as new, and wish to secure by Letters Patent, is-
In a counterfeit-coin detecter, the bar C K, provided with the flanges F, and lugs D D,
vsubstantially as shown and described, and' for the purpose set forth.
JOHN A. THOMPSON. Witnesses:
HENRY C. STRONG, F. J. SEYBOLD.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US189284A true US189284A (en) | 1877-04-03 |
Family
ID=2258691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US189284D Expired - Lifetime US189284A (en) | Improvement in counterfeit-coin detecters |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US189284A (en) |
-
0
- US US189284D patent/US189284A/en not_active Expired - Lifetime
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