US413011A - Globe-protector for arc lamps - Google Patents
Globe-protector for arc lamps Download PDFInfo
- Publication number
- US413011A US413011A US413011DA US413011A US 413011 A US413011 A US 413011A US 413011D A US413011D A US 413011DA US 413011 A US413011 A US 413011A
- Authority
- US
- United States
- Prior art keywords
- globe
- protector
- plate
- arc lamps
- globes
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/18—Visual or acoustic landing aids
- B64F1/20—Arrangement of optical beacons
-
- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
Definitions
- the globes have generally a round openin g at the bottom of about four inches diameter, with a rim projecting downward, by which they are held in position on an iron plate attached to the frame which carries the lamp.
- the top opening of the globe is generally larger, and through it can be placed a round plate of some transparent and indestructible materialas mica or its equivalent-and the plate having a circular opening in its center of about three and one-half inches diameter for the passage of one or two carbons through ing it, the outside and inside edges are bound 1 or strengthened by a thin plate of copper or other suitable material, and a light handle is attached to it, by which the plate can be lifted up from its place inside the globe, and by which it can be hung up or secured on a suitably-located hook or pin on the framing while the globe is being cleaned by the trimmer.
- Figure 1 shows the globe-protector in two views.
- P is the plate of transparent material; 0" r, the rim of metal to strengthen and stiffen the edges.
- h is the handle attached-to the plate for easier handling the protector.
- Fig. 2 shows the protector P in position on a lamp with two carbons.
- Fig. 3 shows the plate in a lamp with single carbon.
- the plate P need not in any way be fastened. It will rest y its own Weight in the required position.
- the globe-protecting plate P with the metal binding-strips r r on the inside and outside rim 0" r, and handle 72,, for the purpose of strengthening the thin plate and facilitating the handling of the same during the cleaning process of the lamps, substantially as specified.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
(No Model.)
E G. ASMUS. GLOBE PROTECTOR FOR ARG LAMPS.
No; 413.011. Patented Oct. 15, 1889.
N PETERS. Pr-w-ww n mr, Washingiom 01c.
UNITED STATES PATENT OFFICE.
GUSTAV CARL ASMUS, OF CHICAGO, ILLINOIS.
GLOBE-PROTECTOR FOR ARC LAMPS.
SPECIFICATION forming part of Letters Patent No. 413,011, dated October 15, 1889.
Application filed February 28, 1889. Serial No. 300,967. (No model.)
To all whom it may concern.-
Be it known that I, GUSTAV CARL AsMUs, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have inven ted a Globe-Protector for Electric-Arc Lamps; and I do hereby declare that the following is a full, clear, and exact description of the invention.
One of the greatest expenses to maintain street are lights is caused by the breaking of the glass globes. The intense heat produced by the are inside the globes and the dropping down of slag formed from the copper-coated carbons in a highly-liquid state on the lower part of the globes break the bottoms of the globes very easily and make them useless in a very short time. ire-netting has been placed around the globes to keep them from falling to pieces; but this does not protect them against cracking. As soon as a globe is broken on an arc lamp the current of air which will follow immediately will destroy the brilliancy of the light and cause the carbons to burn more quickly and uneven.
The globes have generally a round openin g at the bottom of about four inches diameter, with a rim projecting downward, by which they are held in position on an iron plate attached to the frame which carries the lamp. The top opening of the globe is generally larger, and through it can be placed a round plate of some transparent and indestructible materialas mica or its equivalent-and the plate having a circular opening in its center of about three and one-half inches diameter for the passage of one or two carbons through ing it, the outside and inside edges are bound 1 or strengthened by a thin plate of copper or other suitable material, and a light handle is attached to it, by which the plate can be lifted up from its place inside the globe, and by which it can be hung up or secured on a suitably-located hook or pin on the framing while the globe is being cleaned by the trimmer.
In the accompanying drawings, Figure 1 shows the globe-protector in two views. P is the plate of transparent material; 0" r, the rim of metal to strengthen and stiffen the edges. h is the handle attached-to the plate for easier handling the protector. Fig. 2 shows the protector P in position on a lamp with two carbons. Fig. 3 shows the plate in a lamp with single carbon.
Gris the glass globe; F, the frame; C, the carbons; P, the protecting-plate.
The plate P need not in any way be fastened. It will rest y its own Weight in the required position.
What I claim as my invention, and desire to secure by Letters Patent, is
The globe-protecting plate P,with the metal binding-strips r r on the inside and outside rim 0" r, and handle 72,, for the purpose of strengthening the thin plate and facilitating the handling of the same during the cleaning process of the lamps, substantially as specified.
GUSTAV CARL ASMUS.
Witnesses:
P. W. GERECKE, J onn LUNDITS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US413011A true US413011A (en) | 1889-10-15 |
Family
ID=2481943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US413011D Expired - Lifetime US413011A (en) | Globe-protector for arc lamps |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US413011A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100298822A1 (en) * | 2009-05-19 | 2010-11-25 | Tyco Healthcare Group Lp | Tissue Impedance Measurement Using a Secondary Frequency |
-
0
- US US413011D patent/US413011A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100298822A1 (en) * | 2009-05-19 | 2010-11-25 | Tyco Healthcare Group Lp | Tissue Impedance Measurement Using a Secondary Frequency |
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