US189063A - Improvement in center-lamps - Google Patents
Improvement in center-lamps Download PDFInfo
- Publication number
- US189063A US189063A US189063DA US189063A US 189063 A US189063 A US 189063A US 189063D A US189063D A US 189063DA US 189063 A US189063 A US 189063A
- Authority
- US
- United States
- Prior art keywords
- lamp
- holder
- globe
- center
- arms
- 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
- 239000000725 suspension Substances 0.000 description 10
- 230000004048 modification Effects 0.000 description 6
- 238000006011 modification reaction Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000009966 trimming Methods 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
Definitions
- the object of our invention is to construct a center-lamp which Scan be easily operated, and not liable to get'out of order, it being so constructed that the lamp is drawn down fromthe globeholder, while the globe remains stationary; or it may be so constructed that the globe can be drawn up while the lamp is being drawn down, whereby similar purposes are accomplished.
- Figure 1 represents a front elevated suspension view of our center-lamp, showing one of the suspension sides in section, it being the view in which the lamp drops.
- Fig. 2 is an elevated suspension view of our center lamp, showing the two suspension sides in section, thus exposing the arrangements of parts by which the lamp and globe are made to move in opposite directions at the same time.
- Fig. 3 is a modification, showing how the extremities of the arms 6 0 may become sliding bearings and inclose the suspension sides or rods B, thus allowing the globe to be raised its proper distance, where it is caught and held in position by the catch-springs Z Z.
- the chimney H may serve as a guide for the globe as it passes upward through the supporting-bar G.
- A is a globe; (J, the globe-holder. D is a drip-holder, containing the oil-fount. E E are arms, connecting the drip-holder with the hub E E, which rest upon the nuts 0 c. F F are arms connecting to hubs F F, a being a boss on the hub F, into which the suspension-tubes B are screwed or secured. c c are coiled springs within the tubes B.
- b is a tension-rod, provided with a sliding bearing, a, against which the spring acts.
- 6 e are bosses, to which the tubes B are attached,
- - A is a support, from which the lamp and its fixtures are suspended.
- A is a globe upon the holder 0.
- F are arms extending from the globe-holder to the hubs or slide-bearings F. These bearings inclose the tubular standard B.
- D is a fount-holder or drip-case surrounding the oilgfount. Thisholder is provided with arms E,
- n is the base of a metallic chimney, provided with arms, which terminate in slide-bearings n. i t are cords passing over the pulleys t t, with their ends secured to the arms m m and slide-bearings a.
- Gr represents a support, from which the lamp and its fixtures are suspended.
- Fig. 3, B B represent the suspended guide and supporting rods or bars.
- the lower ends of the bars terminate in hubs or their equivalent, E E, to which the fount-holder is attached by means of the arm E E.
- Fig. 1 our improvement consists in the movement or method of operating the lamp so as to enable the operator to get at the various parts, for the purpose of cleaning, filling, trimming, and lighting, &c., all of which is accomplished by the means employed, which are as follows:
- the means employed which are as follows:
- the globe-holder O a To these supports the globe-holder O a is firmly attached, and remains in a fixed position beneath the globe and globe-holder.
- the oil-f0 nut and its case or receiver D is suspended by means of the extension-arms E E, terminating in the hubs E E, which rest upon the nuts 0 c.
- the tension-rods b b are secured or they may be otherwise attached.
- These rods terminate in sliding guidebearin gs a at.
- These bearings should fit closely within the tubes B B. Between these bearings a a and the ledge a; as, at the bottom of the tubes B B, I locate springs e c, of sufficient power to hold the lamp-fount and its case or holder up firmly to its seat or against theglobe-holder 0. If at any time the power of the spring weakens, the nuts 0 a can be turned in a direction that will collapse or compress them until a sufficient force is obtained to hold the lamp-fount or holder to its seat.
- the spring By pulling the oil fount and holder down, the spring is compressed in the lower end of the tube, where it may be held by springcatches within the tension-rods b, which will spring out and catch against the two hubs F F.
- This or some equivalent device can be employed to effect this purpose.
- the holder and oil-fount are again brought together by the action of the spring.
- a packing of soft material can be used between all of the bearing-points to deaden the force of the impact when the parts are brought together.
- a dropweight can be used by a modification of parts, which will not be so compact as the arrangement herein shown, nor will it be so convenient and useful when applied to railroad-cars, steamboats, 850.
- Fig. 2 we construct a center-lamp where the globe rises, while the oil-fount and its receiver descends.
- This movement of the parts is accomplished in the following manner:
- the bracket or arms F of the holder 0 terminates in the hubs F, which inclose the hollow or tubular standards B, and fit with a close sliding joint thereto, which allows of an upward movement.
- the downward movement is obtained the same as in Fig. 1, while the upward movement is obtained by means of the downward movement, which is as follows:
- the cords 'i i are attached to the slidebearings a a, after which they pass over pulleys t t, down to extension-arms m m, which are attached tothe base of the chimney H and the top of the globe A.
- This cord may extend down and meet the extension-arms F F and raise the upward-moving parts from that point.
- the spring is compressed, and the cord is drawn over the pulleys, which acts upon the arms and draws them upward at an equal distance with the downward pull of the moving parts beneath.
- This device support B in combination with a drop-lamp,
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Description
. 3Sheets-Sheet 1. G, SHERWIN-& E. HOO'PLE.
CENTER LAMP. No.189,063. Patented April 3, 1877.
3 Sheets-Sheet 3.
e.- SHERWIN & E. HOOPLE.
CENTER LAMP. I
7 Paten'tedAprilS, 1877.
"PETERS, FHOTD-LITHOGRAPHER WASH NGTON D C r F GE.
GEORGE SHERWIN AND- EDMOND HOOPLE, ()FBROOKLYN, NEW YORK.
IMPROVEMENTJN CENTER-LAM PS.
Specification forming part of Letters Patent No. 189,063, dated April 3, 1877 application filed September 5.1876.
To all whom it may concern:
Be it known that we, GEORGE SHERWIN and EDMOND HOOPLE, of the city of Brooklyn, Kings county, and State of New York,
have invented some new and useful Improve- The object of our invention is to construct a center-lamp which Scan be easily operated, and not liable to get'out of order, it being so constructed that the lamp is drawn down fromthe globeholder, while the globe remains stationary; or it may be so constructed that the globe can be drawn up while the lamp is being drawn down, whereby similar purposes are accomplished.
Figure 1 represents a front elevated suspension view of our center-lamp, showing one of the suspension sides in section, it being the view in which the lamp drops.
Fig. 2 is an elevated suspension view of our center lamp, showing the two suspension sides in section, thus exposing the arrangements of parts by which the lamp and globe are made to move in opposite directions at the same time.
Fig. 3 is a modification, showing how the extremities of the arms 6 0 may become sliding bearings and inclose the suspension sides or rods B, thus allowing the globe to be raised its proper distance, where it is caught and held in position by the catch-springs Z Z. With this construction of parts the chimney H may serve as a guide for the globe as it passes upward through the supporting-bar G.
Like letters refer to corresponding parts in all of the figures.
In Fig. -1, A is a globe; (J, the globe-holder. D is a drip-holder, containing the oil-fount. E E are arms, connecting the drip-holder with the hub E E, which rest upon the nuts 0 c. F F are arms connecting to hubs F F, a being a boss on the hub F, into which the suspension-tubes B are screwed or secured. c c are coiled springs within the tubes B. b is a tension-rod, provided with a sliding bearing, a, against which the spring acts. 6 e are bosses, to which the tubes B are attached,
as shown, or in some other equivalent manner.- A is a support, from which the lamp and its fixtures are suspended.
In Fig. 2, A is a globe upon the holder 0. F are arms extending from the globe-holder to the hubs or slide-bearings F. These bearings inclose the tubular standard B. D is a fount-holder or drip-case surrounding the oilgfount. Thisholder is provided with arms E,
which terminate in hubs-E. To these hubs the extension-rods b are screwed. These rods terminate in the slide-bearings a a. c c are spiral springs within'the tubes B. nis the base of a metallic chimney, provided with arms, which terminate in slide-bearings n. i t are cords passing over the pulleys t t, with their ends secured to the arms m m and slide-bearings a. Gr represents a support, from which the lamp and its fixtures are suspended.
In the modification, Fig. 3, B B represent the suspended guide and supporting rods or bars. The lower ends of the bars terminate in hubs or their equivalent, E E, to which the fount-holder is attached by means of the arm E E.
In Fig. 1 our improvement consists in the movement or method of operating the lamp so as to enable the operator to get at the various parts, for the purpose of cleaning, filling, trimming, and lighting, &c., all of which is accomplished by the means employed, which are as follows: In the construction of our improvements in suspended center lamps we employ two hollow or tubular suspended supports. To these supports the globe-holder O a is firmly attached, and remains in a fixed position beneath the globe and globe-holder. The oil-f0 nut and its case or receiver D is suspended by means of the extension-arms E E, terminating in the hubs E E, which rest upon the nuts 0 c. To these nuts the tension-rods b b are secured or they may be otherwise attached. These rods terminate in sliding guidebearin gs a at. These bearings should fit closely within the tubes B B. Between these bearings a a and the ledge a; as, at the bottom of the tubes B B, I locate springs e c, of sufficient power to hold the lamp-fount and its case or holder up firmly to its seat or against theglobe-holder 0. If at any time the power of the spring weakens, the nuts 0 a can be turned in a direction that will collapse or compress them until a sufficient force is obtained to hold the lamp-fount or holder to its seat.
By pulling the oil fount and holder down, the spring is compressed in the lower end of the tube, where it may be held by springcatches within the tension-rods b, which will spring out and catch against the two hubs F F. This or some equivalent device can be employed to effect this purpose. On relieving the catch, the holder and oil-fount are again brought together by the action of the spring. A packing of soft material can be used between all of the bearing-points to deaden the force of the impact when the parts are brought together.
In place of the spring, as shown, a dropweight can be used by a modification of parts, which will not be so compact as the arrangement herein shown, nor will it be so convenient and useful when applied to railroad-cars, steamboats, 850.
In Fig. 2 we construct a center-lamp where the globe rises, while the oil-fount and its receiver descends. This movement of the parts is accomplished in the following manner: The bracket or arms F of the holder 0 terminates in the hubs F, which inclose the hollow or tubular standards B, and fit with a close sliding joint thereto, which allows of an upward movement. The downward movement is obtained the same as in Fig. 1, while the upward movement is obtained by means of the downward movement, which is as follows: The cords 'i i are attached to the slidebearings a a, after which they pass over pulleys t t, down to extension-arms m m, which are attached tothe base of the chimney H and the top of the globe A. This cord may extend down and meet the extension-arms F F and raise the upward-moving parts from that point. Thus it will be seen that by pulling down on the lamp holder, the spring is compressed, and the cord is drawn over the pulleys, which acts upon the arms and draws them upward at an equal distance with the downward pull of the moving parts beneath.
We are aware that a patent has been granted for a device whereby a railroad candleholder is supported by two chains or cords passing through two suspended tubes, and
connected to a shaft on which there is a coiled spring, which acts against the force which draws the candle-holder down. This device support B, in combination with a drop-lamp,
for the purpose specified.
4. The tubes B B, springs 0 a, rods b b, and cords 'i i, in combination with a lamp-fount, with or without a drip-cup, D, and globeholder 0, as described, and for the purpose specified.
GEORGE SHERWIN. EDMOND HOOPLE. Witnesses:
E. D. PRITCHARD, H. J. DAVIS.
Publications (1)
Publication Number | Publication Date |
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US189063A true US189063A (en) | 1877-04-03 |
Family
ID=2258470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US189063D Expired - Lifetime US189063A (en) | Improvement in center-lamps |
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US (1) | US189063A (en) |
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- US US189063D patent/US189063A/en not_active Expired - Lifetime
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