US278151A - Geoege s - Google Patents
Geoege s Download PDFInfo
- Publication number
- US278151A US278151A US278151DA US278151A US 278151 A US278151 A US 278151A US 278151D A US278151D A US 278151DA US 278151 A US278151 A US 278151A
- Authority
- US
- United States
- Prior art keywords
- rim
- center
- case
- watch
- metal
- 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
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 239000010970 precious metal Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 241000220010 Rhode Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/0008—Cases for pocket watches and wrist watches
- G04B37/0016—Cases for pocket watches and wrist watches with folding cover or folding bottom (hinge without spring)
Definitions
- This invention has reference to an improvement in watch-cases, but is particularly applicable to plated watch-cases made of inferior metal, on one or both sides of which a plate of precious metal is secured by solder, and which is known in the artsas stock-plate.
- all parts forming the outside of the case are formed of the fine gold plate, which will resist all tests of acids and wear, as Well as the solid gold cases, with thesingle exception that where the covers are secured by the hinges to the center-rim the metal has to be cut away, so as to allow the cover to open, and at this place the inferior metalis exposed.
- This inferior metal is liable to oxidize and become unsightly, thereby injuring the appearance of the watch-case. In.
- the object of this invention is to protect the exposed portion of inferior metal by a plate of gold, and in both solid and platedcases to protect the knurlingof the center-rim.
- the invention consists in the application of a plate of gold' or other precious metal, extending to or beyond the knurling of the een terrim, as will be more fully set forth hereinafter.
- Figure 1 is a perspective view of the part of a watch-case where the hinges are secured.
- Fig. 2 is a sectional view of a watch-case, showing two plates secured to the center-rim, ex-
- Fig. 3 is a sectional view of a watch case, showing two plates secured to the center-rim to protect the sides and the knurling of the same.
- Fig. 4 is a sectional view of a watchcase, showing the sides of the center-rim and the covers protected at the hinge by a plate.
- A is the center-rim.
- a is the knurled portion of the same.
- B B are the covers; 0 O, the hinges by which the covers are secured to the center-rim.
- D D are the plates of precious metal with which theinferior metal is protected, and which form the outside of the case.
- E E are the plates of precious metal by which the inferior metal nearthe hinges is covered and the edges of the covers or the knurlingofthecenter-rimareprotected.
- Theseplates E E not only cover theinferior metal, and thereby make the entire outer surface of a plated watch-case of precious metal, but theystrengthen and protect the edges of the covers when applied to them and the knurling of the centerrim but, in addition to this, they secure the tubes for the hinges more firmly and protect the' same, thus making this portion of a watchcase equally as durable as the rest of the case and able to resist the additional wear to which it is subjected.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adornments (AREA)
Description
(No Model.)
G.S.LADD.
WATUH cAsE.
No. 278,151. Patented May2 2,1883.
WITNEEEIEI INVZNTUH N. PETERS. Fhmouho m hen Wnshillgtuu. D. c.
UNITED STATES PATENT OFFICE.
'GEORGE S. LADD, OF PROVIDENCE, RHODE ISLAND.
WATCH-CASE.
SPECIFICATION formingpart ofvLetters Patent No. 278,151, dated May 22, 1883. Application filed January 30, 1883. (No model.)
provement in WVatch-Oases; and I hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification.
This invention has reference to an improvement in watch-cases, but is particularly applicable to plated watch-cases made of inferior metal, on one or both sides of which a plate of precious metal is secured by solder, and which is known in the artsas stock-plate. In such plated cases all parts forming the outside of the case are formed of the fine gold plate, which will resist all tests of acids and wear, as Well as the solid gold cases, with thesingle exception that where the covers are secured by the hinges to the center-rim the metal has to be cut away, so as to allow the cover to open, and at this place the inferior metalis exposed. This inferior metal is liable to oxidize and become unsightly, thereby injuring the appearance of the watch-case. In. fine solid gold cases the knurling of the center-rim wears off very rapidly at the hinges, as the watch, when in the pocket, rests on the knurling ofthe center-rim at this point. The object of this invention is to protect the exposed portion of inferior metal by a plate of gold, and in both solid and platedcases to protect the knurlingof the center-rim.
The invention consists in the application of a plate of gold' or other precious metal, extending to or beyond the knurling of the een terrim, as will be more fully set forth hereinafter.
Figure 1 is a perspective view of the part of a watch-case where the hinges are secured. Fig. 2 is a sectional view of a watch-case, showing two plates secured to the center-rim, ex-
tending above the knurlin g of the center-rim. Fig. 3 is a sectional view of a watch case, showing two plates secured to the center-rim to protect the sides and the knurling of the same. Fig. 4 is a sectional view of a watchcase, showing the sides of the center-rim and the covers protected at the hinge by a plate.
In the drawings, A is the center-rim. a is the knurled portion of the same.
B B are the covers; 0 O, the hinges by which the covers are secured to the center-rim.
D D are the plates of precious metal with which theinferior metal is protected, and which form the outside of the case.
E E are the plates of precious metal by which the inferior metal nearthe hinges is covered and the edges of the covers or the knurlingofthecenter-rimareprotected. Theseplates E E not only cover theinferior metal, and thereby make the entire outer surface of a plated watch-case of precious metal, but theystrengthen and protect the edges of the covers when applied to them and the knurling of the centerrim but, in addition to this, they secure the tubes for the hinges more firmly and protect the' same, thus making this portion of a watchcase equally as durable as the rest of the case and able to resist the additional wear to which it is subjected.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- The combination, with the center-rim of a watch-case, of the flat plate E, covering the flattened portion of the rim between the hinge and the edge of the rim, and extending beyond the rim to form a protection or wearingsurface, as set forth.
GEORGE S. LADD.
Witnesses:
J. A. MILLER, Jr., WM. L. 0001
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US278151A true US278151A (en) | 1883-05-22 |
Family
ID=2347372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US278151D Expired - Lifetime US278151A (en) | Geoege s |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US278151A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101025680B1 (en) * | 2002-07-19 | 2011-03-30 | 소니 에릭슨 모빌 커뮤니케이션즈 재팬, 아이엔씨. | Antenna device and portable radio communication terminal |
-
0
- US US278151D patent/US278151A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101025680B1 (en) * | 2002-07-19 | 2011-03-30 | 소니 에릭슨 모빌 커뮤니케이션즈 재팬, 아이엔씨. | Antenna device and portable radio communication terminal |
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