US123981A - Improvement in tubular lanterns - Google Patents
Improvement in tubular lanterns Download PDFInfo
- Publication number
- US123981A US123981A US123981DA US123981A US 123981 A US123981 A US 123981A US 123981D A US123981D A US 123981DA US 123981 A US123981 A US 123981A
- Authority
- US
- United States
- Prior art keywords
- improvement
- chamber
- air
- cone
- wall
- 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
- 241001465382 Physalis alkekengi Species 0.000 title description 12
- 238000010276 construction Methods 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- 238000005476 soldering Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V35/00—Candle holders
Definitions
- This invention relates to an improvement in the construction of that style of lantern well known to the art as the tubular lantern and it especially appertains to the construction of the air-chamber below the cone of the burner of such lanterns.
- This chamber surrounds the neck of the oil-pot and lower portion. of the burner and wick-tube, being of cylindrical shape, and consisting of a vertical annular band or wall, at the sides of which enter the air-tubes for conveying air for combustion to the burner, and fitted at top to receive the overlapping lower edge of the cone of the burner.
- this chamber has been made of a band or strip of tin bent or rolled into shape and having the ends soldered together, making a vertical seam at one side where It has been impossible on account of this scam, which produces a ridge, to make the cone fit down over the edge of the chamber so closely as to exclude the air; and it has also been found that, where the chamber is made of such a strip so soldered, it is practically impossible to make the chambers all of a given diameter, the variation being likely to occur in the holding, soldering, or bending in the process of manufacture.
- the present invention consists in making this airchamber, or rather the vertical wall thereof, of a continuous sheet of tin, stamped out of the metal into the desired form, whereby a regular form is produced, never varying in size, and entirely without the objectionable side seam, and whereby a regular and even taper may be given to the upper end of said chamber, and a perfect fit insured for the overlapping edge of the cone.
- Figure 1 represents a front view of a tubular lantern with the air-chamber in section.
- Fig. 2 is a horizontal section looking downward, taken on the line 00 x of Fig. 3; and Fig. 3 is a front view of the air-chamber detached.
Description
JOSEPH S. DENNIS.
'Tub'uldr' L'antern.
N0. 123,981. I Patented Feb.27, 1872.
' joined.
UNITED STATES PATENT OFFICE.
JOSEPH S. DENNIS, OF CHICAGO, ILLINOIS.
IMPROVEMENT IN TUBULAR LANTERNS.
Specification forming part of Letters Patent No. 123,981, dated February 27, 1872.
' in the county of Cook and State of Illinois.
This invention relates to an improvement in the construction of that style of lantern well known to the art as the tubular lantern and it especially appertains to the construction of the air-chamber below the cone of the burner of such lanterns. This chamber surrounds the neck of the oil-pot and lower portion. of the burner and wick-tube, being of cylindrical shape, and consisting of a vertical annular band or wall, at the sides of which enter the air-tubes for conveying air for combustion to the burner, and fitted at top to receive the overlapping lower edge of the cone of the burner. Hitherto this chamber has been made of a band or strip of tin bent or rolled into shape and having the ends soldered together, making a vertical seam at one side where It has been impossible on account of this scam, which produces a ridge, to make the cone fit down over the edge of the chamber so closely as to exclude the air; and it has also been found that, where the chamber is made of such a strip so soldered, it is practically impossible to make the chambers all of a given diameter, the variation being likely to occur in the holding, soldering, or bending in the process of manufacture. And the present invention consists in making this airchamber, or rather the vertical wall thereof, of a continuous sheet of tin, stamped out of the metal into the desired form, whereby a regular form is produced, never varying in size, and entirely without the objectionable side seam, and whereby a regular and even taper may be given to the upper end of said chamber, and a perfect fit insured for the overlapping edge of the cone.
In the accompanying drawing, Figure 1 represents a front view of a tubular lantern with the air-chamber in section. Fig. 2 is a horizontal section looking downward, taken on the line 00 x of Fig. 3; and Fig. 3 is a front view of the air-chamber detached.
Like letters of reference made use of in the I several figures indicate like parts.
General Description.
resting in an annular groove, a, upon the top of the oil-pot, which groove facilitates the soldering of the wall C to said top. D is the cone, the base of which is made to fit over the upper edge of the Wall C. E E are the airtubes entering the sides of the air-chamber through the wall 0. This vertical wall is stamped or drawn out of a fiat piece of tin by appropriate machinery, and has the top and bottom open, with the top edge slightly beveled or rounded inward, as at b, for the greater ease of adjusting the cone to its place, and apertures e e are cut in opposite sides of the said wall to receive the tubes E E, which are soldered in place. By this construction the parts accurately fit one another and are interchangeablethe parts of one lantern for those of another-an advantage .not easily overestimated in a large factory.
Claim.
Having thus fully described my invention,
what I claim, and desire to secure by Letters I Witnesses:
JOHN W. MUNDAY, HEINR. F. BRUNS-
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US123981A true US123981A (en) | 1872-02-27 |
Family
ID=2193415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US123981D Expired - Lifetime US123981A (en) | Improvement in tubular lanterns |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US123981A (en) |
-
0
- US US123981D patent/US123981A/en not_active Expired - Lifetime
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