US7921A - Lard-lamp - Google Patents
Lard-lamp Download PDFInfo
- Publication number
- US7921A US7921A US7921DA US7921A US 7921 A US7921 A US 7921A US 7921D A US7921D A US 7921DA US 7921 A US7921 A US 7921A
- Authority
- US
- United States
- Prior art keywords
- lamp
- lard
- wick
- slide
- channels
- 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
- 239000007788 liquid Substances 0.000 description 6
- 241000196435 Prunus domestica subsp. insititia Species 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D3/00—Burners using capillary action
- F23D3/02—Wick burners
- F23D3/18—Details of wick burners
-
- 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
- F21V37/00—Details of lighting devices employing combustion as light source, not otherwise provided for
Definitions
- Figure 1 is a perspective view of the lamp.
- Fig. 2 is a vertical section of ditto.
- Fig. 3 is an end elevation of the slide coveror stopper. 1
- my invention and improvement consists in forming a chamber 71 of the form of a section of a frustrum of a pyramid in its cross section above the ordinary chamber that contains the liquid for producing the light so as to make the sides of said chamber perform the two ofiices of side chambers for preventing the spilling or waste of the liquid lard, or oil, when the axis of the lamp is made to deviate from a perpendicularline and assume a horizontal.
- a is the main reservoir for holding the lard or other article employed to produce" the required light.
- 6 is a flat wick tube extending down into the reservoir so as to act as a wick holder and lard heater, being secured to the bottom of the upper reservoir.
- 0 is a round wick tube for a round wick to be used as a night light when the fiat wick light is extinguished.
- d is a slide for opening andclosing the e is a metallic heater for keeping the lard in a liquid state during the night, said heater reservoir a on either side of the wick tubes 1), c, for preventing the spilling or waste of the oil whenthe stem of the lamp is held in a horizontal or inclined position; and also the dovetailed slide d, and the aforesaid angular channels or grooves 2'.
- said channels or grooves serving also to receive and hold the sliding cover cZ used ⁇ for closing the supply opening insteadof the ordinary screw cap; and in combination with the aforesaid angular channels.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
Description
D- KINNEAR.
Lamp
Patented Feb. 4, 1851.
No.- 7,921- r N, PETERS Phnio-Liihograp wr, Wathinglon. D, C.
UNITED STATES PATENT OFFICE.
DELAMAR KINNEAB, OF CIROLEVILLE, OHIO.
LARD-LAMP.
Specification of Letters Patent No. 7 ,921, dated February 4, 1851.
To all whom it may concern Be it known that I, DELAMAR KINNEAR, of Circleville, in the county of Pickaway and State of Ohio, have invented a certain new and useful Improvement in Lamps, which is described as follows, reference be ing had to the'annexed drawings of the same, making part of this specification.
Figure 1 isa perspective view of the lamp. Fig. 2 is a vertical section of ditto. Fig. 3 is an end elevation of the slide coveror stopper. 1
Similar letters in the several figures refer to corresponding parts.
The nature of my invention and improvement consists in forming a chamber 71 of the form of a section of a frustrum of a pyramid in its cross section above the ordinary chamber that contains the liquid for producing the light so as to make the sides of said chamber perform the two ofiices of side chambers for preventing the spilling or waste of the liquid lard, or oil, when the axis of the lamp is made to deviate from a perpendicularline and assume a horizontal.
position, or an approximation thereto, in
handling the lamp carlessly, and as side channels, or dovetail. grooves, forthe slide or cover to move in when a slide cover or stopper is substituted for a. screw cap stopper.
a is the main reservoir for holding the lard or other article employed to produce" the required light. 6 is a flat wick tube extending down into the reservoir so as to act as a wick holder and lard heater, being secured to the bottom of the upper reservoir.
0 is a round wick tube for a round wick to be used as a night light when the fiat wick light is extinguished. l
d is a slide for opening andclosing the e is a metallic heater for keeping the lard in a liquid state during the night, said heater reservoir a on either side of the wick tubes 1), c, for preventing the spilling or waste of the oil whenthe stem of the lamp is held in a horizontal or inclined position; and also the dovetailed slide d, and the aforesaid angular channels or grooves 2'. l
I claim as myinvention- 1. In combination with a lamp ofthe peculiar formandconstruction represented in the annexed drawings; or other form substantially the same, said channels or grooves serving also to receive and hold the sliding cover cZ used} for closing the supply opening insteadof the ordinary screw cap; and in combination with the aforesaid angular channels.
2. I also claim the said sliding cover d when made with correspondingly shaped. I
sides to fitand move in said channels, all as herein described and represented.
In testimony whereof I have hereunto signed my name before two subscribing wit nesses.
DELAMAR KINNEAR. Witnesses: I
T. O. DONN,
D. S. WELLE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US7921A true US7921A (en) | 1851-02-04 |
Family
ID=2068247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US7921D Expired - Lifetime US7921A (en) | Lard-lamp |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US7921A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5189818A (en) * | 1986-08-10 | 1993-03-02 | Kaepa, Inc. | Footwear lace locking assembly |
-
0
- US US7921D patent/US7921A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5189818A (en) * | 1986-08-10 | 1993-03-02 | Kaepa, Inc. | Footwear lace locking assembly |
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