US482050A - Thermometer-case - Google Patents
Thermometer-case Download PDFInfo
- Publication number
- US482050A US482050A US482050DA US482050A US 482050 A US482050 A US 482050A US 482050D A US482050D A US 482050DA US 482050 A US482050 A US 482050A
- Authority
- US
- United States
- Prior art keywords
- case
- thermometer
- bulb
- guard
- single piece
- 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 14
- 210000000614 Ribs Anatomy 0.000 description 6
- 230000000875 corresponding Effects 0.000 description 4
- 210000000282 Nails Anatomy 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
Definitions
- the object of my improvement is to make the case from a single piece of sheet metal and to form the same with a guard at the bottom, which shields the bulb.
- Figure 1 is a front elevation of a thermometer, showing my improvement.
- Fig. 2 is a longitudinal vertical section of the same in line as a; of Fig. 1.
- Fig. 3 is a cross-section of the same in line 3 y of Fig. 1.
- Fig. 4 is a View similar to Fig. 1, but showing a modification.
- V Fig. 5 is a crosssection of Fig. 4: in line 2 .2.
- the case A is made from a single piece of flat sheet metal. It is struck up with two side ribs or beads a, a, which extend from top to bottom and give stifiness and strength, and also present an ornamental appearance.
- the body I) is struck back and may be flat, as shown in Figs. 1 and 3, or concave, as shown in Figs. 4 and 5.
- the scale 0 is printed on the back, and the tube d is also mounted thereon in the usual way.
- My improvement is as follows: A crossslitfis cut in the metal near the bottom, eX- tending across the body I), but not across the side ribs a a. The body of metal below the slit is then stamped or swaged outward, forming the convex guard g. This guard projects outward snfficiently to leave space for the glass bulb d to rest between it and the plane of the back of,the case, so that when the case is hung against a side wall the bulb will not come in contact therewith.
- thermometer-cases which are made of several parts by seaming or otherwise joining together and form a close chamber in which the bulb lies and through which air can pass only in a circuitous way.
- This device being made from a single piece, has the advantage of greater cheapness and of admitting air more directly to the bulb, whereby it is more sensitive to variations in temperature. It also acts as a perfect shield and presents an ornamental appearance.
- the top of the case is cut with a corresponding cross-slitf, and a guard h, of the same form as that below, is struck out.
- an eyelet 1' by which the device may be hung on a nail or other support.
- the scale may be marked directly on the back of the case or on a separate strip attached to the case, and it may be made of any known form.
- the figures which indicate degrees are marked in large size on opposite sides of the scale, as shown.
- thermometer-case made from a single piece of sheet metal provided with a guard g, struck out from the bottom, forminga shield and cover to the bulb, as herein shown and described.
- thermometer-case made from a single piece of sheet metal provided with a guard g, struck out from the bottom, said guard having an arch g, with an opening g therein which comes opposite the inclosed bulb, as and for the purpose specified.
- thermometer-case made from a single piece of sheet metal provided with the body 1), the side ribs or a, the guard g at the bottom, forming a shield to the bulb, and the corresponding guard h at the top, as shown and described, and for the purpose specified.
Description
(No Model.)
J. D. WARD. THERMOMBTER CASE.
Patented Sept. 6, 1892.
UNITED ST TES PATENT OFFICE.
JOHN D. WARD, OF PHELPS, NEIV YORK.
TH ERMOMETER-CASE.
SPECIFICATION forming part of Letters Patent N 0. 482,050, dated'September 6, 1892.
Application filed January 21, 1892- Serial No. 418,740. (No model.)
To all whom it may concern.-
Be it known that I, JOHN D. WVARD, of Phelps, in the county of Ontario and State of New York, have invented a certain new and useful Improvement in Thermometer-Cases; and I do hereby declare that the followingis afull, clear, and exact description of the same, reference being had to the drawings accompanying this specification.
The object of my improvement is to make the case from a single piece of sheet metal and to form the same with a guard at the bottom, which shields the bulb.
To this end the invention consists in the construction, and arrangement hereinafter described and claimed.
In the drawings, Figure 1 is a front elevation of a thermometer, showing my improvement. Fig. 2 is a longitudinal vertical section of the same in line as a; of Fig. 1. Fig. 3 is a cross-section of the same in line 3 y of Fig. 1. Fig. 4 is a View similar to Fig. 1, but showing a modification. V Fig. 5 is a crosssection of Fig. 4: in line 2 .2.
The case A is made from a single piece of flat sheet metal. It is struck up with two side ribs or beads a, a, which extend from top to bottom and give stifiness and strength, and also present an ornamental appearance. The body I) is struck back and may be flat, as shown in Figs. 1 and 3, or concave, as shown in Figs. 4 and 5. The scale 0 is printed on the back, and the tube d is also mounted thereon in the usual way.
My improvement is as follows: A crossslitfis cut in the metal near the bottom, eX- tending across the body I), but not across the side ribs a a. The body of metal below the slit is then stamped or swaged outward, forming the convex guard g. This guard projects outward snfficiently to leave space for the glass bulb d to rest between it and the plane of the back of,the case, so that when the case is hung against a side wall the bulb will not come in contact therewith. In Fig. 1 the slitfis of curved form, making an arch g, which projects up such a distance as to completely cover the bulb. An opening is made in this arch opposite the bulb, through which air can freely pass, thereby making the bulb more sensitive to the surrounding temperature. The guard thus formed corresponds with the ordinary guards of thermometer-cases, which are made of several parts by seaming or otherwise joining together and form a close chamber in which the bulb lies and through which air can pass only in a circuitous way. This device,being made from a single piece, has the advantage of greater cheapness and of admitting air more directly to the bulb, whereby it is more sensitive to variations in temperature. It also acts as a perfect shield and presents an ornamental appearance. The top of the case is cut with a corresponding cross-slitf, and a guard h, of the same form as that below, is struck out. In the plane back of the case is formed an eyelet 1', by which the device may be hung on a nail or other support. The scale may be marked directly on the back of the case or on a separate strip attached to the case, and it may be made of any known form. The figures which indicate degrees are marked in large size on opposite sides of the scale, as shown.
Having described my invention, what I claim-as new, and desire to secure by Letters Patent, is
1. A thermometer-case made from a single piece of sheet metal provided with a guard g, struck out from the bottom, forminga shield and cover to the bulb, as herein shown and described.
2. A thermometer-case made from a single piece of sheet metal provided with a guard g, struck out from the bottom, said guard having an arch g, with an opening g therein which comes opposite the inclosed bulb, as and for the purpose specified.
3. A thermometer-case made from a single piece of sheet metal provided with the body 1), the side ribs or a, the guard g at the bottom, forming a shield to the bulb, and the corresponding guard h at the top, as shown and described, and for the purpose specified.
In witness whereof I have hereunto signed my name in the presence of two subscribing witnesses.
JOHN D. WVARD.
Witnesses:
R. F. Oseoon, CHAS. A. WIDENER.
Publications (1)
Publication Number | Publication Date |
---|---|
US482050A true US482050A (en) | 1892-09-06 |
Family
ID=2550902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US482050D Expired - Lifetime US482050A (en) | Thermometer-case |
Country Status (1)
Country | Link |
---|---|
US (1) | US482050A (en) |
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0
- US US482050D patent/US482050A/en not_active Expired - Lifetime
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