US3015025A - Lamp height adaptor - Google Patents
Lamp height adaptor Download PDFInfo
- Publication number
- US3015025A US3015025A US648314A US64831457A US3015025A US 3015025 A US3015025 A US 3015025A US 648314 A US648314 A US 648314A US 64831457 A US64831457 A US 64831457A US 3015025 A US3015025 A US 3015025A
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- United States
- Prior art keywords
- shell
- socket
- lamp
- extension
- flange
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- Expired - Lifetime
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- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
-
- 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
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
- F21V21/12—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards capable of being elongated or shortened by the insertion or removal of intermediate pieces
Definitions
- This invention relates to lamp height adaptors, and more particularly to devices of this character for adjustably raising or lowering lamp bulbs or shades with respect to the lamp pedestal or base.
- Lamp pedestals are manufactured in different heights, and it is necessary for the distributor to carry in stock such different heights for each design of pedestal, resulting in a large inventory. Furthermore, when a particular height is selected, it may be found to be too high or too low for a chair or table or other furniture with which it is to be grouped.
- Lamp pedestals are generally provided with a holder containing a lamp socket and having a flange for supporting a glass reflector surrounding the bulb.
- This reflector flange has become standardized, generally to a two and a quarter inch diameter.
- the reflector art is developing to a new and improved reflector having a lower rim requiring a larger diameter, about two and five eighths inches.
- the height extension adaptor comprises a shell having a lower smaller annular flange of greater diameter than the lamp bulb socket or switch and an upper annular flange adapted to receive the bottom of the glass shade rim at a greater height.
- the smaller annular flange preferably slidably receives an extension sleeve fitted over the lamp socket or switch.
- the extension sleeve is preferably slidably received in a spacer ring fitted inside the shade or reflector receiving flange of the pedestal holder.
- the eX- tension sleeve may be slotted for wires connected from the lamp switch to sockets on a ring slidably mounted on the extension sleeve.
- the top of the extension sleeve may telescopically receive a smaller tube for supporting a lamp shade at an adjustable height.
- FIG. 1 is an elevation of a lamp pedestal provided with a height adaptor according to the preferred embodiment of the present invention
- FIG. 2 is an enlarged vertical section through the adaptor shown in FIG. l;
- FIG. 3 is a similar section through a different assembly of parts shown in FIGS. 1 and 2, other parts being omitted.
- the lamp base pedestal shown in the drawings comprises a base supporting a stern 1.2 on the upper end of which is mounted a holder 14.
- the holder 14 is an inverted bell shaped shell containing a lamp socket 15 and flaring upwardly and outwardly and terminating in an upper annular flange 16 adapted to receive the bottom rim of a standard gass reflector surrounding the lamp bulb 19.
- the flange 16 is provided with securing means such as set screws 2li for retaining the standard reflector in position.
- the height adaptor comprises a shell 22 having a lower smaller annular flange 24 the inner surface of which is of greater diameter than the lamp socket 15, and an upper larger diameter flange 25 adapted to receive the larger diameter rim of the reflector 18, and provided with securing means such as set screws 26 for securing the reflector rim therein.
- the height adaptor may also comprise a spacer ring 28 as shown in FIG. 2, which has an outer annular flange 29 the outer surface of which ilts inside the holder flange i6 and is secured in position by the set screws 20.
- the Spacer ring 28 has an inner flange 30, the inner surface of which slidably receives an extension sleeve or tube 32 such as a length of pipe of the same material and finish as the lamp pedestal.
- the sleeve 32 and the inner flange 3f) are both of larger diameter than the lamp socket 15 so as to llt down thereover inside of the holder lll, the bottom of the sleeve being slotted as at 33 to receive the socket switch button 34.
- the set screws 20 are preferably of sufllcient length to pass through both flanges 29 and 30 of the spacer ring, to engage the sleeve 32 and secure it in position.
- one or more socket extensions 35 are screwed into the socket 15 or preceding extensions.
- the adaptor shell 22 is mounted on the upper end of the sleeve 32, the smaller shell flange 24 slidabfy receiving the sleeve, and held at a selected adjusted height thereon by set screws 36.
- the adaptor shell When assembled as shown in FIG. 3, the adaptor shell is applied with its lower inner flange 24 inside the holder flange 16 and secured in position by set screws 20 engaging a groove 38 in the outer wall of the adaptor shell.
- the extension sleeve 32 is omitted, but a socket extension 35 is necessary to bring the lamp bulb 19 above the upper adaptor flange 25 which holds the reflector 18.
- a height extension adaptor comprising a spacer ring having an outer surface fitting inside said upper annular flange and secured in position by said holder glass shade rim securing means, said adaptor also comprising an extension sleeve fitted over said lamp socket, said spacer ring having an inner surface of greater diameter than said lamp bulb socket and slidably receiving the lower end of said extension sleeve, said height extension adaptor also comprising an adaptor shell having a lower smaller annular flange of greater diameter than said lamp bulb socket and slidably receiving the upper end of said extension sleeve, said adaptor flange lower smaller flange having means for securing the upper
- a height eX- tension adaptor comprising a shell having a lower smaller annular shell flange and adapted to enter said holder flange and receive the securing means thereof and surround an intermediate portion of the height of said socket extension, a shell web extending inwardly from the bottom of said lower smaller shell flange toward said socket extension, and an inner annular shell flange of still smaller diameter extending upwardly from the inner portion of said shell web and adapted to slidably receive an extension sleeve surrounding said socket extension, said adaptor shell having an upper shell ilange extending above the top of said socket extension and having means for securing therein the bottom of the lamp shade rim
- a height extension adaptor comprising a shell having a lower smaller annular shell llange adapted to enter said holder ilange and having a peripheral groove to receive the securing means thereof and surround an intermediate portion of the height of said socket extension, a shell spacer web extending inwardly from the bottom of said lower smaller shell flange below the peripheral groove therein toward said socket extension, and an inner annular shell flange of still smaller diameter extending upwardly from the inner portion of said shell web and adapted to slidably receive therein an extension sleeve surrounding said socket extension, said adaptor shell having an upper shell flange extending above the top of said socket extension and having means for securing
- a lamp base pedestal having at its upper end a holder containing at the bottom thereof a lamp socket with a socket extension screwed therein, said holder flaring upwardly and outwardly and terminating in an upper annular ange, an extension sleeve in said holder surrounding said socket, means for securing said extension sleeve in position in said llange, a shell surrounding said extension sleeve above said holder and having a lower smaller annular shell ilange, a shell web extending inwardly from the bottom of said shell ilange, and a still smaller annular shell llange extending upwardly from the inner portion of said shell web and slidably mounted on the upper portion of said extension sleeve, and securing means passing through both of said shell flanges and engaging said sleeve for securing said shell thereon in selected adjusted positions.
- a lamp base pedestal having at its upper end a holder containing at the bottom thereof a lamp socket with a socket extension screwed therein, said holder flaring upwardly and outwardly and terminating intermediate the height of said socket extension in an upper annular llange provided with means for securing therein the bottom rim of a glass lamp shade, a second socket extension above the lrst mentioned socket extension, an extension sleeve in said holder surrounding both of said socket extensions and held in position by said securing means, a shell surrounding said extension sleeve above said holder having a lower smaller annular shell llange having a peripheral groove surrounding an intermediate portion of the height of said second socket extension, a shell spacer web extending inwardly from the bottom of said grooved tlange, and a still smaller annular flange extending upwardly from the inner portion of said shell spacer web and slidably mounted on the upper portion of said extension sleeve, said shell having an upper larger annular shell flange with
- a height extension adaptor comprising a spacer ring having an outer surface tting inside said upper annular flange, an extension sleeve fitted over said socket extension, said spacer ring having an inner surface of greater diameter than said socket extension and slidably receiving the lower end of said extension sleeve, said shade securing means passing through said spacer ring and engaging said sleeve to hold it in position, and an adaptor shell surrounding said extension sleeve above said spacer ring and having a lower smaller annular shell ilange slidable on said upper portion of the extension sleeve with means to secure the same in position, said shell having an upper larger
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Description
INVENTOR ATTORNEY Filed March 25, 1957 f l 1 l l f 3,015,025 Patented Dec. 26, 1961 3,015,025 LAMP HEIGHT ADAPTOR Evan T. Williams, 755 Central Ave., Westfield, NJ. Filed Mar. 25, 1957, Ser. No. 648,314 6 Claims. (Cl. 24d- 144) This invention relates to lamp height adaptors, and more particularly to devices of this character for adjustably raising or lowering lamp bulbs or shades with respect to the lamp pedestal or base.
Lamp pedestals are manufactured in different heights, and it is necessary for the distributor to carry in stock such different heights for each design of pedestal, resulting in a large inventory. Furthermore, when a particular height is selected, it may be found to be too high or too low for a chair or table or other furniture with which it is to be grouped.
It is therefore the main object of the present invention to provide a height adaptor for a lamp pedestal to adjust the lamp bulb or shade to the desired height without changing the pedestal and without the use of special tools. l
Lamp pedestals are generally provided with a holder containing a lamp socket and having a flange for supporting a glass reflector surrounding the bulb. This reflector flange has become standardized, generally to a two and a quarter inch diameter. However, the reflector art is developing to a new and improved reflector having a lower rim requiring a larger diameter, about two and five eighths inches.
It is therefore another object of the present invention to pro-vide an adaptor to fit into the old standard smaller diameter flange and having a larger diameter reflector supporting flange to receive the new oversize reflector rims.
According to the present invention, the height extension adaptor comprises a shell having a lower smaller annular flange of greater diameter than the lamp bulb socket or switch and an upper annular flange adapted to receive the bottom of the glass shade rim at a greater height. The smaller annular flange preferably slidably receives an extension sleeve fitted over the lamp socket or switch. The extension sleeve is preferably slidably received in a spacer ring fitted inside the shade or reflector receiving flange of the pedestal holder. The eX- tension sleeve may be slotted for wires connected from the lamp switch to sockets on a ring slidably mounted on the extension sleeve. The top of the extension sleeve may telescopically receive a smaller tube for supporting a lamp shade at an adjustable height.
In the drawings:
FIG. 1 is an elevation of a lamp pedestal provided with a height adaptor according to the preferred embodiment of the present invention;
FIG. 2 is an enlarged vertical section through the adaptor shown in FIG. l; and
FIG. 3 is a similar section through a different assembly of parts shown in FIGS. 1 and 2, other parts being omitted.
The lamp base pedestal shown in the drawings comprises a base supporting a stern 1.2 on the upper end of which is mounted a holder 14. The holder 14 is an inverted bell shaped shell containing a lamp socket 15 and flaring upwardly and outwardly and terminating in an upper annular flange 16 adapted to receive the bottom rim of a standard gass reflector surrounding the lamp bulb 19. The flange 16 is provided with securing means such as set screws 2li for retaining the standard reflector in position.
As shown in FIGS. 2 and 3, the height adaptor comprises a shell 22 having a lower smaller annular flange 24 the inner surface of which is of greater diameter than the lamp socket 15, and an upper larger diameter flange 25 adapted to receive the larger diameter rim of the reflector 18, and provided with securing means such as set screws 26 for securing the reflector rim therein.
The height adaptor may also comprise a spacer ring 28 as shown in FIG. 2, which has an outer annular flange 29 the outer surface of which ilts inside the holder flange i6 and is secured in position by the set screws 20. The Spacer ring 28 has an inner flange 30, the inner surface of which slidably receives an extension sleeve or tube 32 such as a length of pipe of the same material and finish as the lamp pedestal. The sleeve 32 and the inner flange 3f) are both of larger diameter than the lamp socket 15 so as to llt down thereover inside of the holder lll, the bottom of the sleeve being slotted as at 33 to receive the socket switch button 34. The set screws 20 are preferably of sufllcient length to pass through both flanges 29 and 30 of the spacer ring, to engage the sleeve 32 and secure it in position.
To bring the lamp bulb 19 above the top of the sleeve 32, one or more socket extensions 35 are screwed into the socket 15 or preceding extensions. The adaptor shell 22 is mounted on the upper end of the sleeve 32, the smaller shell flange 24 slidabfy receiving the sleeve, and held at a selected adjusted height thereon by set screws 36.
When assembled as shown in FIG. 3, the adaptor shell is applied with its lower inner flange 24 inside the holder flange 16 and secured in position by set screws 20 engaging a groove 38 in the outer wall of the adaptor shell. For this small increase in height, the extension sleeve 32 is omitted, but a socket extension 35 is necessary to bring the lamp bulb 19 above the upper adaptor flange 25 which holds the reflector 18.
What is claimed is:
1. For use with a lamp base pedestal having at its upper end a holder containing a socket for a lamp bulb and flaring upwardly and outwardly and terminating in an upper annular flange adapted to receive the bottom rim of a glass shade surrounding the bulb, said upper annular flange of said holder having means for securing said glass shade rim inside thereof, a height extension adaptor comprising a spacer ring having an outer surface fitting inside said upper annular flange and secured in position by said holder glass shade rim securing means, said adaptor also comprising an extension sleeve fitted over said lamp socket, said spacer ring having an inner surface of greater diameter than said lamp bulb socket and slidably receiving the lower end of said extension sleeve, said height extension adaptor also comprising an adaptor shell having a lower smaller annular flange of greater diameter than said lamp bulb socket and slidably receiving the upper end of said extension sleeve, said adaptor flange lower smaller flange having means for securing the upper end of said extension sleeve in selected adjusted positions, said adaptor shell also having an upper largerannular flange adapted to receive the bottom of said glass shade rim at a greater height, said upper larger annular flange of said adaptor shell also having means for securing said glass shade rim inside thereof.
2. For use with avlamp base pedestal having at its upper end a holder containing at the bottom thereof a lamp socket with a socket extension screwed therein, said holder flaring upwardly and outwardly and terminating intermediate the height of said socket extension in an upper annular flange provided with means for securing therein the bottom rim of a glass lamp shade, a height eX- tension adaptor comprising a shell having a lower smaller annular shell flange and adapted to enter said holder flange and receive the securing means thereof and surround an intermediate portion of the height of said socket extension, a shell web extending inwardly from the bottom of said lower smaller shell flange toward said socket extension, and an inner annular shell flange of still smaller diameter extending upwardly from the inner portion of said shell web and adapted to slidably receive an extension sleeve surrounding said socket extension, said adaptor shell having an upper shell ilange extending above the top of said socket extension and having means for securing therein the bottom of the lamp shade rim at a greater height, said adaptor shell anges and shell web being integral parts of said shell and all of substantially the same thickness.
3. For use with a lamp base pedestal having at its upper end a holder containing at the bottom thereof a lamp socket with a socket extension screwed therein, said holder flaring upwardly and outwardly and terminating intermediate the height of said socket extension in an upper annular flange provided with means for securing therein the bottom rim of a glass lamp shade; a height extension adaptor comprising a shell having a lower smaller annular shell llange adapted to enter said holder ilange and having a peripheral groove to receive the securing means thereof and surround an intermediate portion of the height of said socket extension, a shell spacer web extending inwardly from the bottom of said lower smaller shell flange below the peripheral groove therein toward said socket extension, and an inner annular shell flange of still smaller diameter extending upwardly from the inner portion of said shell web and adapted to slidably receive therein an extension sleeve surrounding said socket extension, said adaptor shell having an upper shell flange extending above the top of said socket extension and having means for securing therein the bottom of the lamp shade rim at a greater height, said adaptor shell llanges and shell web being integral parts of said shell and all of substantially the same thickness.
4. For use with a lamp base pedestal having at its upper end a holder containing at the bottom thereof a lamp socket with a socket extension screwed therein, said holder flaring upwardly and outwardly and terminating in an upper annular ange, an extension sleeve in said holder surrounding said socket, means for securing said extension sleeve in position in said llange, a shell surrounding said extension sleeve above said holder and having a lower smaller annular shell ilange, a shell web extending inwardly from the bottom of said shell ilange, and a still smaller annular shell llange extending upwardly from the inner portion of said shell web and slidably mounted on the upper portion of said extension sleeve, and securing means passing through both of said shell flanges and engaging said sleeve for securing said shell thereon in selected adjusted positions.
5. For use with a lamp base pedestal having at its upper end a holder containing at the bottom thereof a lamp socket with a socket extension screwed therein, said holder flaring upwardly and outwardly and terminating intermediate the height of said socket extension in an upper annular llange provided with means for securing therein the bottom rim of a glass lamp shade, a second socket extension above the lrst mentioned socket extension, an extension sleeve in said holder surrounding both of said socket extensions and held in position by said securing means, a shell surrounding said extension sleeve above said holder having a lower smaller annular shell llange having a peripheral groove surrounding an intermediate portion of the height of said second socket extension, a shell spacer web extending inwardly from the bottom of said grooved tlange, and a still smaller annular flange extending upwardly from the inner portion of said shell spacer web and slidably mounted on the upper portion of said extension sleeve, said shell having an upper larger annular shell flange with securing means for a shade rirn at a greater height, and securing means passing through the bottom of said peripheral groove on through said inner shell flange and engaging said sleeve for securing said shell thereon in selected adjusted positions.
6. For use with a lamp base pedestal having at its upper end a holder containing at the bottom thereof a lamp socket with a socket extension screwed therein, said holder llaring upwardly and outwardly and terminating intermediate the height of said socket extension in an upper annular tlange provided with means for securing therein the bottom rim of a glass lamp shade, a height extension adaptor comprising a spacer ring having an outer surface tting inside said upper annular flange, an extension sleeve fitted over said socket extension, said spacer ring having an inner surface of greater diameter than said socket extension and slidably receiving the lower end of said extension sleeve, said shade securing means passing through said spacer ring and engaging said sleeve to hold it in position, and an adaptor shell surrounding said extension sleeve above said spacer ring and having a lower smaller annular shell ilange slidable on said upper portion of the extension sleeve with means to secure the same in position, said shell having an upper larger annular shell flange with means for securing therein the bottom of the lamp shade rim at a greater height.
References Cited in the tile of this patent UNITED STATES PATENTS 205,747 Hull July 9, 137i2 1,099,783 Andersen .lune 9, 1914 1,232,908 Feyrer .luly 10, 1917 1,390,070 Villaret Sept. 6, 1921 1,495,391 Baker May 27, 1924 1,519,071 Spencer Dec. 9, 1924 1,742,179 ONeil Dec. 3l, 1929 1,854,932 Gottlieb Apr. 19, 1932 1,944,717 Phillips Jan. 23, 1934 2,073,491 Mateuszczyk Mar. 9, 1937 2,225,538 Kaplan Dec. 17, 1940 2,632,843 Montague Mar. 24, 1953 2,647.986 K ernodle Aug. 4, 1953 2,650,981 Chilo Sept. 1, 1953 FOREIGN PATENTS 430,524 Great Britain June 20, 1935
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US648314A US3015025A (en) | 1957-03-25 | 1957-03-25 | Lamp height adaptor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US648314A US3015025A (en) | 1957-03-25 | 1957-03-25 | Lamp height adaptor |
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US3015025A true US3015025A (en) | 1961-12-26 |
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US648314A Expired - Lifetime US3015025A (en) | 1957-03-25 | 1957-03-25 | Lamp height adaptor |
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Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US205747A (en) * | 1878-07-09 | Improvement in blow-pipes | ||
US1099783A (en) * | 1914-01-14 | 1914-06-09 | Plume And Atwood Mfg Company | Electric shade-holder. |
US1232908A (en) * | 1917-02-26 | 1917-07-10 | Clarence E Leitzinger | Light-treatment apparatus. |
US1390070A (en) * | 1920-12-11 | 1921-09-06 | Gustave E Villaret | Lamp |
US1495391A (en) * | 1922-06-07 | 1924-05-27 | Frederick C Baker | Combined reading and indirect room-lighting lamp |
US1519071A (en) * | 1923-10-31 | 1924-12-09 | I P Frink Inc | Adjustable reflector |
US1742179A (en) * | 1928-10-18 | 1929-12-31 | Gen Electric | Globe holder |
US1854932A (en) * | 1930-07-28 | 1932-04-19 | Max E Gottlieb | Reflector lamp |
US1944717A (en) * | 1932-11-07 | 1934-01-23 | Benjamin Electric Mfg Co | Snap-on holder |
GB430524A (en) * | 1934-03-05 | 1935-06-20 | Walsall Conduits Ltd | Improvements in or relating to holders or fittings for electric lamps or reflectors therefor |
US2073491A (en) * | 1934-10-24 | 1937-03-09 | John Yata | Reflector for show windows and the like |
US2225538A (en) * | 1939-02-27 | 1940-12-17 | Nellie J Kaplan Company | Lamp element |
US2632843A (en) * | 1950-02-24 | 1953-03-24 | William E Montague | Multiple socket flexible lamp fixture |
US2647986A (en) * | 1949-07-25 | 1953-08-04 | George H Kernodle | Single arm adjustable support for lamp shades and switches |
US2650981A (en) * | 1950-01-18 | 1953-09-01 | Chilo Paul | Lamp harp extension |
-
1957
- 1957-03-25 US US648314A patent/US3015025A/en not_active Expired - Lifetime
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US205747A (en) * | 1878-07-09 | Improvement in blow-pipes | ||
US1099783A (en) * | 1914-01-14 | 1914-06-09 | Plume And Atwood Mfg Company | Electric shade-holder. |
US1232908A (en) * | 1917-02-26 | 1917-07-10 | Clarence E Leitzinger | Light-treatment apparatus. |
US1390070A (en) * | 1920-12-11 | 1921-09-06 | Gustave E Villaret | Lamp |
US1495391A (en) * | 1922-06-07 | 1924-05-27 | Frederick C Baker | Combined reading and indirect room-lighting lamp |
US1519071A (en) * | 1923-10-31 | 1924-12-09 | I P Frink Inc | Adjustable reflector |
US1742179A (en) * | 1928-10-18 | 1929-12-31 | Gen Electric | Globe holder |
US1854932A (en) * | 1930-07-28 | 1932-04-19 | Max E Gottlieb | Reflector lamp |
US1944717A (en) * | 1932-11-07 | 1934-01-23 | Benjamin Electric Mfg Co | Snap-on holder |
GB430524A (en) * | 1934-03-05 | 1935-06-20 | Walsall Conduits Ltd | Improvements in or relating to holders or fittings for electric lamps or reflectors therefor |
US2073491A (en) * | 1934-10-24 | 1937-03-09 | John Yata | Reflector for show windows and the like |
US2225538A (en) * | 1939-02-27 | 1940-12-17 | Nellie J Kaplan Company | Lamp element |
US2647986A (en) * | 1949-07-25 | 1953-08-04 | George H Kernodle | Single arm adjustable support for lamp shades and switches |
US2650981A (en) * | 1950-01-18 | 1953-09-01 | Chilo Paul | Lamp harp extension |
US2632843A (en) * | 1950-02-24 | 1953-03-24 | William E Montague | Multiple socket flexible lamp fixture |
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