CA1187059A - Variably positional lamp holder assembly - Google Patents
Variably positional lamp holder assemblyInfo
- Publication number
- CA1187059A CA1187059A CA000416661A CA416661A CA1187059A CA 1187059 A CA1187059 A CA 1187059A CA 000416661 A CA000416661 A CA 000416661A CA 416661 A CA416661 A CA 416661A CA 1187059 A CA1187059 A CA 1187059A
- Authority
- CA
- Canada
- Prior art keywords
- base
- assembly
- lower portion
- rotational movement
- lamp holder
- 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
Links
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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
VARIABLY POSITIONAL LAMP HOLDER ASSEMBLY
ABSTRACT
A variably positional lamp holder has a base that provides for limited rotational movement relative to the lamp holder body to allow protecting arms on the body to be positioned to allow mounting freedom for a harp.
ABSTRACT
A variably positional lamp holder has a base that provides for limited rotational movement relative to the lamp holder body to allow protecting arms on the body to be positioned to allow mounting freedom for a harp.
Description
ol s~
- ~ -- VARIABLY POSITIONAL LAMP H~LDER ASSEMBLY
TECHNICAL FIELD
This invention relates to lamp holder assemb1ies and more particularly to such assemblies employed for fittin~ circular flllorescent lamps to incandescent sockets.
BACKGROUND ART
Because of the increasing cost of electrical energy the substitution of initially costlier, but more energy efficien+
fluorescent lamps in place of incandescent larnps has become practical. A prime candidate for this substitution is the circular fluorescent lamp, primarily because of its more compact size when compared with the more typical elongated fluorescent lamp.
Cornmon to most structures employed for this purpose are a central hub which can include a ballast and having one or more projecting arms having a terminal end formed to hold the lamp.
Exemplary of such assemblies are the devices shown in U.S. Patent Nos. 2,298,961; 2.817,004; Design 259~961; and 4,278,gll. Lamp holders of such designs function well enough when inserted in a bare wall socket or sirnilar unit; ho~evel^, when mounted in a lamp whicn employs a rarp to support a shade it is often found that when the zssembly is firmly screwed in place the projecting arms may interrere ~ith replacement of the harp. To rectify this condition it is necessary to partially unscrew the assembly, hhich can result in a loose mechanical fit in tne socket and a poor eiectrical connection.
DISCLOSURE OF THE INVENTION
It is therefore, an object of tne in~ention to obviate tne disad~-n~aaes of the prior art.
` ' r~ oo~ 7059 It lS another object of the inver,tion to enhance the fitting cf fluorescent lamps to incandescent sockets.
These objects are accomplished in one aspect of the invention by a variably positional lam~ holaer assembly com~rised of 2 housinc having a plurality of radial ar~s attachea theret~, and transversely prGjectil-lg therefrom. Tne terrninal ends of tne arms remote from the housing are formed to receive and hold a circular lamp. The housinc has a lower portion that carries an electricall~ conductive base.
said base being fixed to the housing in a manner to allow a limiteb amount of rotational n~ovement of the hase relative to the 10wer portion.
By employing this invention the lamp holder assembly can be firmly seated in its associated socket. Then if necessary to avoid interference between the arms of the holder and the harp the holder can be rotated in a reverse di~^ection to avoid the interference while tne base remains effectively seated in trle socket.
BRIEF DrSCRIPTION OF THE DRAW~NGS
FIG. 1 is a plan view of a lamp holder assembl~;
ZO FIG. 2 is an elevational~ sectional view thereof ta~en along the line 2-2 of FlG. l;
FIG. 3 is an enlargeci. explcdeb perspective view of the base o the invention;
FIG. 4 is a perspecti~e vie~ of a pdrtially assembled base;
FI~. 5 is a perspective vie~ of an ~ssembled base. and FIG. 6 is a sectional view of a base illustraiing tne degree of relative movement o~ the base.
BEST MODE F02 CARRYING OlJT THE INVE~TIO~
For a better uncierstandino of the present invention togetiier i"ith Gther and ,urther objects. acv2rtacipc and c2vabilities trl reo"
referDnce is made tG tne followlng disclosure ai~ ap~el-!~eo claims ta~en in cGniunction with thC -ib ~ des ribed di-~-.wiilac.
:
L~-2~.001 Referring noh to tne drawings \/itn areater particularit~, tner~
is shown in FIG. 1 a variably positional lamp holaer assembly 1~
comprising a housing 12 having a longitudinal1y extending central body 14. Radial arms 16 and 18 are at~ached to body 1~ and project transversely therefrom. The terminal en~C 20 and 7~ respectively c the arms 16 and 18 are formed to receive and hold a circular lam~
24, which can be of the fluorescent varielv.
The body 14 can be holloh~ and contain therewithin a ballast for the lamp, which ballast can cnmprise a transformer 2h, glow bottle 28 and capacitor 30 together with the requisite wiring connecting the same to a plug 32 (for connecting to the terminals of lamp 24j and the lamp base 34. The lamp base 34 is fixed to a lower portior 36 of body 14 in a manner to al10w a limited amount of rotatior,al movement of the base 34 relative to tne lo~er portion 36.
One manner of accornplishing this desired result is sho~n in FIGS. 3-6. By referring to FIG~ 3, it will be seen that lo~.~er portion 36 is provided witn screw thrr-ads 38 for r~ceiving the electrically conductive shell of base 34 whicrl can be, for example~
an Edison base.
Peripheral slots 40? 42 and 44 are formed in lo~er portion 3~
above the threads 38, and a small notch 46 is formed in tne upper edge of the base 34.
The base 34 is screwed into lower portion 3~ so that slot 42 and notch 46 are aligned. One of the base connectina wires. for example 48, projects through the slot 42 and is soldered tr~ base 34. Tne other base connecting ~ire, SO, projeists throu~r, ;h^ bottom of base 34 and i5 soldered to the insulated center conductor 51 thereof.
Both connecting wires should be suffcientl~ long t() accommodate tne programmed rotational movement without breaking.
In ~ preferred embodiment the limited rota.ior,al move,ent is achieved by driving pins ~2 and 54 through tne skir, of tn~ base 34 ani into the slots 40 and 44 (see F]GS. ~ an~ 6). The pir!s 52 and 54 can be in the form of staples, as sho~rl~ or tilev c-r~ ha~e a more nail-like configuration.
~37~5~
,,.. ,.. ~ ~
hs can he seen mosl clearly in FIG. 6, the difrerence Delweer, the width of tne pins 52 and ~4 and the slots 40 and 44 will determine the amount of rotational movement available, which shoul5 be about 15~.
To insure the integrity of the rotation permitting meanC~ the pins 52 and 54 are preterably soldered IO the base 34, as at 5.
(FIG. 5).
The amount of ~otational rnovement allowed by the variably positionable base 34, togetrler with tne normal am~unt Gf connectin~
10 tolerance existing in lamp sockets insures that the lamp holder 10 can be employed in harp bearing lamp units and that mounting clearance for the harp relative to the arms 16 and 1~ can be achieved.
While there have been shown and described what are at presenl 15 considered to be the preferred embodiments of the invention, it will be apparent to those skilled in the art that various changes and modifications can be made herein without departing from tne scope of the invention as defined by the appended claims. For example, the invention is applicable to bases other than the Edison screw types, 20 such as bayonet bases.
- ~ -- VARIABLY POSITIONAL LAMP H~LDER ASSEMBLY
TECHNICAL FIELD
This invention relates to lamp holder assemb1ies and more particularly to such assemblies employed for fittin~ circular flllorescent lamps to incandescent sockets.
BACKGROUND ART
Because of the increasing cost of electrical energy the substitution of initially costlier, but more energy efficien+
fluorescent lamps in place of incandescent larnps has become practical. A prime candidate for this substitution is the circular fluorescent lamp, primarily because of its more compact size when compared with the more typical elongated fluorescent lamp.
Cornmon to most structures employed for this purpose are a central hub which can include a ballast and having one or more projecting arms having a terminal end formed to hold the lamp.
Exemplary of such assemblies are the devices shown in U.S. Patent Nos. 2,298,961; 2.817,004; Design 259~961; and 4,278,gll. Lamp holders of such designs function well enough when inserted in a bare wall socket or sirnilar unit; ho~evel^, when mounted in a lamp whicn employs a rarp to support a shade it is often found that when the zssembly is firmly screwed in place the projecting arms may interrere ~ith replacement of the harp. To rectify this condition it is necessary to partially unscrew the assembly, hhich can result in a loose mechanical fit in tne socket and a poor eiectrical connection.
DISCLOSURE OF THE INVENTION
It is therefore, an object of tne in~ention to obviate tne disad~-n~aaes of the prior art.
` ' r~ oo~ 7059 It lS another object of the inver,tion to enhance the fitting cf fluorescent lamps to incandescent sockets.
These objects are accomplished in one aspect of the invention by a variably positional lam~ holaer assembly com~rised of 2 housinc having a plurality of radial ar~s attachea theret~, and transversely prGjectil-lg therefrom. Tne terrninal ends of tne arms remote from the housing are formed to receive and hold a circular lamp. The housinc has a lower portion that carries an electricall~ conductive base.
said base being fixed to the housing in a manner to allow a limiteb amount of rotational n~ovement of the hase relative to the 10wer portion.
By employing this invention the lamp holder assembly can be firmly seated in its associated socket. Then if necessary to avoid interference between the arms of the holder and the harp the holder can be rotated in a reverse di~^ection to avoid the interference while tne base remains effectively seated in trle socket.
BRIEF DrSCRIPTION OF THE DRAW~NGS
FIG. 1 is a plan view of a lamp holder assembl~;
ZO FIG. 2 is an elevational~ sectional view thereof ta~en along the line 2-2 of FlG. l;
FIG. 3 is an enlargeci. explcdeb perspective view of the base o the invention;
FIG. 4 is a perspecti~e vie~ of a pdrtially assembled base;
FI~. 5 is a perspective vie~ of an ~ssembled base. and FIG. 6 is a sectional view of a base illustraiing tne degree of relative movement o~ the base.
BEST MODE F02 CARRYING OlJT THE INVE~TIO~
For a better uncierstandino of the present invention togetiier i"ith Gther and ,urther objects. acv2rtacipc and c2vabilities trl reo"
referDnce is made tG tne followlng disclosure ai~ ap~el-!~eo claims ta~en in cGniunction with thC -ib ~ des ribed di-~-.wiilac.
:
L~-2~.001 Referring noh to tne drawings \/itn areater particularit~, tner~
is shown in FIG. 1 a variably positional lamp holaer assembly 1~
comprising a housing 12 having a longitudinal1y extending central body 14. Radial arms 16 and 18 are at~ached to body 1~ and project transversely therefrom. The terminal en~C 20 and 7~ respectively c the arms 16 and 18 are formed to receive and hold a circular lam~
24, which can be of the fluorescent varielv.
The body 14 can be holloh~ and contain therewithin a ballast for the lamp, which ballast can cnmprise a transformer 2h, glow bottle 28 and capacitor 30 together with the requisite wiring connecting the same to a plug 32 (for connecting to the terminals of lamp 24j and the lamp base 34. The lamp base 34 is fixed to a lower portior 36 of body 14 in a manner to al10w a limited amount of rotatior,al movement of the base 34 relative to tne lo~er portion 36.
One manner of accornplishing this desired result is sho~n in FIGS. 3-6. By referring to FIG~ 3, it will be seen that lo~.~er portion 36 is provided witn screw thrr-ads 38 for r~ceiving the electrically conductive shell of base 34 whicrl can be, for example~
an Edison base.
Peripheral slots 40? 42 and 44 are formed in lo~er portion 3~
above the threads 38, and a small notch 46 is formed in tne upper edge of the base 34.
The base 34 is screwed into lower portion 3~ so that slot 42 and notch 46 are aligned. One of the base connectina wires. for example 48, projects through the slot 42 and is soldered tr~ base 34. Tne other base connecting ~ire, SO, projeists throu~r, ;h^ bottom of base 34 and i5 soldered to the insulated center conductor 51 thereof.
Both connecting wires should be suffcientl~ long t() accommodate tne programmed rotational movement without breaking.
In ~ preferred embodiment the limited rota.ior,al move,ent is achieved by driving pins ~2 and 54 through tne skir, of tn~ base 34 ani into the slots 40 and 44 (see F]GS. ~ an~ 6). The pir!s 52 and 54 can be in the form of staples, as sho~rl~ or tilev c-r~ ha~e a more nail-like configuration.
~37~5~
,,.. ,.. ~ ~
hs can he seen mosl clearly in FIG. 6, the difrerence Delweer, the width of tne pins 52 and ~4 and the slots 40 and 44 will determine the amount of rotational movement available, which shoul5 be about 15~.
To insure the integrity of the rotation permitting meanC~ the pins 52 and 54 are preterably soldered IO the base 34, as at 5.
(FIG. 5).
The amount of ~otational rnovement allowed by the variably positionable base 34, togetrler with tne normal am~unt Gf connectin~
10 tolerance existing in lamp sockets insures that the lamp holder 10 can be employed in harp bearing lamp units and that mounting clearance for the harp relative to the arms 16 and 1~ can be achieved.
While there have been shown and described what are at presenl 15 considered to be the preferred embodiments of the invention, it will be apparent to those skilled in the art that various changes and modifications can be made herein without departing from tne scope of the invention as defined by the appended claims. For example, the invention is applicable to bases other than the Edison screw types, 20 such as bayonet bases.
Claims (6)
1. A variably positional lamp holder assembly comprising: a housing having a longitudinal extending central body with a plurality of radial arms attached thereto and transversely projecting therefrom, the terminal ends of said arms remote from said housing being formed to receive and hold a circular fluoresent lamp; said body having a lower portion carrying an electrically conductive base, said base being fixed to said lower portion in a manner to allow a limited amount of rotational movement of said base relative to said lower portion.
2. The assembly of Claim 1 wherein said manner of allowing said limited amount of rotational movement comprises: a circumferen-tially extending slot formed in said lower portion and a pin fixed on said base which projects into said slot.
3. The assembly of Claim 2 wherein said lower portion is provided with screw threads and said base has an internal thread which mates therewith.
4. The assembly of Claim 3 wherein said base has external screw threads.
5. The assembly of Claim 1 wherein said manner of allowing said limited amount of rotational movement comprises: two diametrically opposed circumferentially extending slots formed in said lower portion and two diametrically opposed pins fixed on said base, each of said pins projecting into one of said slots.
6. The assembly of Claim 5 wherein the length of said slots determines the amount of rotational movement of said base.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US329,908 | 1981-12-11 | ||
| US06/329,908 US4405877A (en) | 1981-12-11 | 1981-12-11 | Variably positional lamp holder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1187059A true CA1187059A (en) | 1985-05-14 |
Family
ID=23287534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000416661A Expired CA1187059A (en) | 1981-12-11 | 1982-11-30 | Variably positional lamp holder assembly |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4405877A (en) |
| CA (1) | CA1187059A (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8102594A (en) * | 1981-05-27 | 1982-12-16 | Philips Nv | ELECTRIC LAMP WITH A MECHANICALLY ATTACHED LAMP BASE. |
| US4570105A (en) * | 1983-09-20 | 1986-02-11 | Engel Herman J | Electrical adapter for use in connection with fluorescent lamps |
| US4649320A (en) * | 1984-06-18 | 1987-03-10 | Gte Products Corporation | Thermal protector for circular fluorescent lamp assembly |
| US4654557A (en) * | 1985-04-12 | 1987-03-31 | Gte Products Corporation | Lamp holder assembly having rotatable base |
| US4660906A (en) * | 1985-04-12 | 1987-04-28 | Gte Products Corporation | Lamp holder assembly having rotatable base shell |
| US4624513A (en) * | 1985-04-12 | 1986-11-25 | Gte Products Corporation | Lamp holder assembly having rotatable base shell |
| CA1281766C (en) * | 1985-12-19 | 1991-03-19 | Martin E. Muzeroll | Method and apparatus for position orientation of a metal halide lamp base assembly |
| JP2537837B2 (en) * | 1987-02-10 | 1996-09-25 | 松下電子工業株式会社 | Light bulb type fluorescent lamp |
| CA2106636A1 (en) * | 1992-09-23 | 1994-03-24 | Steven Lee Meade | Electric lamp with high torque threaded base |
| US5390096A (en) * | 1992-10-22 | 1995-02-14 | Progressive Technology In Lighting, Inc. | Replacement compact fluorescent lamp assembly |
| US5720548A (en) * | 1995-11-14 | 1998-02-24 | Progressive Technology In Lighting, Inc. | High luminance fluorescent lamp assembly |
| US6394813B1 (en) * | 2000-09-08 | 2002-05-28 | 3Com Corporation | Rotating connector adaptor |
| US6612874B1 (en) * | 2000-09-08 | 2003-09-02 | 3Com Corporation | Rotating connector adapter with strain relief |
| US6544069B1 (en) * | 2001-09-28 | 2003-04-08 | Leonardo Enriquez, Sr. | Swivel outlet |
| US20090079356A1 (en) * | 2007-09-20 | 2009-03-26 | Tsung-Yu Yang | Ac/dc lamp holder |
| TWM345934U (en) * | 2008-05-28 | 2008-12-01 | Cooler Master Co Ltd | Lamp component |
| US8814395B1 (en) | 2013-03-05 | 2014-08-26 | Osram Sylvania Inc. | Solid state lighting device with extensible mounting base |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1609230A (en) * | 1920-11-01 | 1926-11-30 | Benjamin Electric Mfg Co | Swivel attachment plug |
| US1562649A (en) * | 1920-11-20 | 1925-11-24 | Benjamin Electric Mfg Co | Swivel-shell attachment plug |
| US1572119A (en) * | 1920-11-20 | 1926-02-09 | Benjamin Electric Mfg Co | Attachment plug |
| US1633025A (en) * | 1926-01-06 | 1927-06-21 | Winand H Nelles | Swivel plug |
| US1822985A (en) * | 1930-06-16 | 1931-09-15 | Wright Alfred | Swivel attachment plug |
| US2542935A (en) * | 1948-07-30 | 1951-02-20 | Mathew H Mcelroy | Electric swivel connecting plug |
-
1981
- 1981-12-11 US US06/329,908 patent/US4405877A/en not_active Expired - Lifetime
-
1982
- 1982-11-30 CA CA000416661A patent/CA1187059A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4405877A (en) | 1983-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |