US151550A - Improvement in lamp-pendants - Google Patents
Improvement in lamp-pendants Download PDFInfo
- Publication number
- US151550A US151550A US151550DA US151550A US 151550 A US151550 A US 151550A US 151550D A US151550D A US 151550DA US 151550 A US151550 A US 151550A
- Authority
- US
- United States
- Prior art keywords
- lamp
- pendant
- pendants
- improvement
- apex
- 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
- 238000004904 shortening Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/18—Means for suspending the supporting construction
- E04B9/20—Means for suspending the supporting construction adjustable
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
- F21V21/38—Hoisting or lowering devices, e.g. for maintenance with a cable
Definitions
- Myinvention consists of a piece of wire bent in triangular or other equivalent form, with the base bent up in the form of two sides of a triangle toward the apex of the triangular figure made by the wire, and having a little notch at its apex to hold the pendant when suspended for use, the triangular piece being suspended from the ceiling or other support at the apex of its angle.
- the contrivance is to be used for lowering the lamp to clean it, and for other purposes, by shifting the pendant out of the notch in the basewire of the triangle and letting it drop down in one of the angles between the base and one of the side peces, by which the lamp will be lowered considerably from its normal position.
- the triangular portion of the pendant may have its sides constructed so as to be shortened and extended as a further means by which to adapt it to high or low ceilings.
- Figure 1 is a side elevation of my improved lamp-pendant, showing the position when the lamp is elevated.
- Fig. 2 is a side elevation, showing the lamp dropped down; and
- Fig. 3 is an elevation in dotted lines, showing how the pendant may be arranged for extending or shortening it.
- A represents the sides, and B the bottom or base, of a triangular pendant, formed of a rod bent in the manner shown, the base being bent upward toward the apex O, and provided with a notch, D, at its apex, to hold the pendant E in the most elevated position, the triangle being suspended at its apex G from the ceiling or other support by a hook or other means.
- the contrivance may be adjusted to high or low ceilings.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Central Heating Systems (AREA)
Description
PATENT OFFICE.
WILLIAM M. UNDERHILL,
OF OOON TO, WISCONSIN.
IMPROVEMENT IN LAMP-PENDANTS.
Specification forming part of Letters Patent No. 1 51,550, dated J une 2, 1874; application filed May 9, 1874.
To all whom it may concern.-
Be it known that I, WILLIAM M. UNDER- HILL, of Oconto, Oconto county, Visconsin, have invented a new and Improved Lamp- Pendant, of which the following is a specification:
Myinvention consists of a piece of wire bent in triangular or other equivalent form, with the base bent up in the form of two sides of a triangle toward the apex of the triangular figure made by the wire, and having a little notch at its apex to hold the pendant when suspended for use, the triangular piece being suspended from the ceiling or other support at the apex of its angle.
The contrivance is to be used for lowering the lamp to clean it, and for other purposes, by shifting the pendant out of the notch in the basewire of the triangle and letting it drop down in one of the angles between the base and one of the side peces, by which the lamp will be lowered considerably from its normal position. The triangular portion of the pendant may have its sides constructed so as to be shortened and extended as a further means by which to adapt it to high or low ceilings.
Figure 1 is a side elevation of my improved lamp-pendant, showing the position when the lamp is elevated. Fig. 2 is a side elevation, showing the lamp dropped down; and Fig. 3 is an elevation in dotted lines, showing how the pendant may be arranged for extending or shortening it.
Similar letters of reference indicate corresponding parts.
A represents the sides, and B the bottom or base, of a triangular pendant, formed of a rod bent in the manner shown, the base being bent upward toward the apex O, and provided with a notch, D, at its apex, to hold the pendant E in the most elevated position, the triangle being suspended at its apex G from the ceiling or other support by a hook or other means.
By shifting the pendant E out of the notch D, and letting it drop into one of the angles F, it will be lowered to a considerable extent,
for convenience in trimming the lamp or dropping the light.
If the sides A be provided with a longer rod or extension-tubes G and adjusting-screws H, said sides being separated at the top, and also separated at the bottom, and joined by means of knuckles K, the contrivance may be adjusted to high or low ceilings.
Having thus described my invention, I claim as new, and desire to secure by Letters Patent The triangular hanger A B 0, having the base elevated, and provided with a notch, I), at the top, in combination with the pendant E, substantially as specified.
VVMQ M. UN DERHILL.
Witnesses:
H. W. Mom, 0. F. TRUnELL.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US151550A true US151550A (en) | 1874-06-02 |
Family
ID=2220962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US151550D Expired - Lifetime US151550A (en) | Improvement in lamp-pendants |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US151550A (en) |
-
0
- US US151550D patent/US151550A/en not_active Expired - Lifetime
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