US3892457A - Locking means for double pin fluorescent lamps - Google Patents
Locking means for double pin fluorescent lamps Download PDFInfo
- Publication number
- US3892457A US3892457A US421658A US42165873A US3892457A US 3892457 A US3892457 A US 3892457A US 421658 A US421658 A US 421658A US 42165873 A US42165873 A US 42165873A US 3892457 A US3892457 A US 3892457A
- Authority
- US
- United States
- Prior art keywords
- lamp
- locking
- locking means
- lamp holder
- lamps
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/05—Two-pole devices
- H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
- H01R33/08—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp
- H01R33/0836—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp characterised by the lamp holding means
Definitions
- ABSTRACT Locking means for fluorescent lamps particularly such lamps which have two current-carrying pins protruding substantially axially of the lamp from each of its ends and engaging the complemental pin-engaging, current-carrying contact means for the said pins fixedly disposed in the lamp holder means at opposite ends of the lamp to prevent axial rotation of the lamp and the disengagement of its said pins from the said current-carrying contact means of the lamp holder means, whereby disengagement of the lamp from the lamp holder means is prevented and its possible falling therefrom and damage to it, as well as cessation of the lighting effect. will be avoided.
- lamps are most often suspended from ceilings, or other fixed mounting means located above the area ultimately to be illuminated by the lamps, devices for facilitating the replacement of burnt-out, or otherwise inoperative, lamps are provided in order to protect workmen who perform the said services against falling lamps and other customary hazards of such services.
- the invention relates, therefore, to locking means for double-pin fluorescent lamps which will insure the proper mounting and retention of such lamps in their mounting holders and will adequately serve to insure the proper electrical connection of the terminals (end pins) of the lamps with the respective contact elements of the end-adjacent lamp holders.
- the said locking means are preferably formed of a dielectric or insulating material such as Nylon," or equivalent and substantially similar synthetic plastic material, and such locking means may be, and preferably are, subjected to treatment in a heated bath of an impregnating substance, such as the dye commercially available as TINTEX" which will serve to harden the plastic material, give it the resiliency and normal rigidity adequate to insure operative stability for repeated insertion into and removal from locking position with respect to the lamp pins and lamp holders, and also to provide the surfaces of the locking means with reflective characteristics, preferably of a glowing nature, which will sim plify the work of the servicing operator in installation and removal of the locking, and lamps, particularly in overhead installations.
- an impregnating substance such as the dye commercially available as TINTEX" which will serve to harden the plastic material, give it the resiliency and normal rigidity adequate to insure operative stability for repeated insertion into and removal from locking position with respect to the lamp pins and lamp holders, and also to provide the surfaces of the locking means with reflective
- the primary object of the invention is to provide means for locking double-pin fluorescent lamps in their customary lamp holders in such a manner that they will not become dislodged, or electrically inoperative, in the presence of vibration or shock and thus also to guard against their falling from overhead installations with possible breakage and, or, danger of injury to workers operating beneath them.
- Another object is to provide locking means for use in the installation of double-pin fluorescent lamps which mey readily be installed in, and removed from, locking position with respect to the bi-pins and the cooperating lamp holder means by a simple push or pull, respectively, of the locking means at substantially right angles to the axis of the lamp.
- a still further object of the invention is to so form the locking device that it will tenaciously grip the end of the lamp adjacent to the lamp holder and will remain in such position and will also, due to the engagement with the end pins of the lamp, prevent inadvertent rotation of the lamp upon its longitudinal axis and its possible disengagement from the lamp holder means, thus insuring that the lamp will not fall from its installed position in the lamp holder means and the possibility of injury to those working below it avoided.
- the coloration of the lamp locking device not only serve to strengthen the locking device but also to make it of a reflective nature whereby, when the lamp is lighted, considerable assistance, particularly in overhead installations, in enabling an operative to determine whether a lamp is functioning properly, or not, and to direct his attention to the correction of malfunctioning, is provided.
- the hardening of the plastic material of the locking device by its subjection to the bath of im pregnating material, and its ability to withstand heat due to such impregnation, tend further to prolong the life of the locking device and to withstand any distortion thereof which might result in malfunctioning during service.
- FIG. I is a fragmentary perspective view of one end of a fluorescent lamp installed in operative position in its respective lamp holder, and with the lamp locking means of the invention applied thereto in operative locking position.
- FIG. 2 is an end view of the parts shown in FIG. I but with the locking means in a position below the lamp but suitable for engagement with the lamp end and lamp holder.
- FIG. 3 is a view similar to FIG. 2 but with the locking means in a position of partial advancement to locking position.
- FIG. 4 is an end view of the parts shown in FIGS. 2 and 3 in locking position as shown in FIG. 1.
- FIG. 5 is a side view of the parts as shown in FIG. 4 and FIG. 5, and showing the relation of parts of the locking device in elevation.
- FIG. 6 is an enlarged view, taken on line 66 of FIG. 5, and showing the relation of parts of the locking means in elevation.
- FIG. 7 is a view of the inner face of the locking means.
- FIG. 8 is a perspective view of a tool for installing and removing the locking means with respect to an elevated installation
- FIG. 9 shows the tool of FIG. 8 during an installation or removal of the locking device.
- the electrically wired, conventional, lamp support means 1 which may be suspended from a ceiling, or may be rigidly mounted upon any other suitable mounting element which will position the fluorescent lamp 2 in proper position to illuminate the desired adjacent area, the said support means being provided with a pair of similar lamp holders 3, only one of same being shown, spaced longitudinally of the support means a distance proper to receive between them the said lamp with its terminal pins 4 (FIG. 6) in engagement, upon rotation of the lamp upon its longitudinal axis, with the customary resilient contact elements 5 of the respective, longitudinally spaced, lamp holders 3.
- the lamp locking means of the invention comprises a base plate 6 for insertion between the inner face of the adjacent lamp holder 3 and the proximate metal ferrule 7 of the lamp.
- this base plate 6 has a radially offstanding tang member 8 to which is fastened by a set-screw 9 a finger piece 10, or, as shown in FIGS. 8 and 9, it may furnish an engagement portion for a jaw member 11 having an extended handle 12 for use in engagement of the jaw member with the tang member 8 in elevated installations of the lamp holder 3 and the lamp locking means, or for disengagement of such lamp locking means from its locking position.
- the base plate 6 is provided with a pair of laterally spaced guides. or stop members, 13 for engagement with the lateral edges of the lamp holder 3, and an offstanding lug 14 for engagement in the usual groove 15 of the said lamp holder.
- a socket 16 Extending inwardly of the base plate 6 is a socket 16 providing two parallel walls 17 and an offstanding centrally disposed lug 18 which, between them. provide recesses 19 for reception of the lamp pins 4 when the lamp has been rotated into its locking position.
- the locking member includes a pair of arcuate arms 20 which, when the locking member is properly installed in locking position with respect to the lamp end, will embrace the periphery of the lamp ferrule, as shown in FIGS. 2 to 5, 7 and 9.
- Locking means for a fluorescent lamp for holding said lamp in operative electrical assembly with a lamp holder means in which the lamp is mounted, comprising a base plate having a major surface for insertion be tween the cylindrical end portion of the lamp and the adjacent face of the lamp holder means, said base plate having means for engagement with end pin means of the lamp and provided also with first means offstanding in one direction axially of the lamp for engagement with the lamp holder means, second means extending axially of the lamp in the opposite direction for embracing the cylindrical end portion of the lamp, said means comprising a pair of resilient, radially expansible, arcuate arms, each arm being axially displaced, and separate, from the major surface of the base plate,
- said locking means serving, when inserted, to prevent axial rotation of the lamp with respect to the lamp holder means and insure retention of the lamp in the lamp holder means and thus to provide for operative electrical engagement of said pin means with complemental contact means of the lamp holder means, and to prevent inadvertent disengagement of the lamp from the lamp holder means.
- Lamp locking means for a fluorescent lamp as claimed in claim 1 in which the said locking means is formed from a moldable plastic substance, including subjection of the said locking means to the action of an impregnating substance which will serve to harden the said plastic substance and to deter its distortion when it is serving the locking function.
- Locking means for fluorescent lamps as claimed in claim 1 and including also with said base plate radially offstanding means to furnish a finger grip and a means for engagement of a tool for insertion and removal of the locking means with relation to its locking position.
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
Locking means for fluorescent lamps, particularly such lamps which have two current-carrying pins protruding substantially axially of the lamp from each of its ends and engaging the complemental pin-engaging, current-carrying contact means for the said pins fixedly disposed in the lamp holder means at opposite ends of the lamp to prevent axial rotation of the lamp and the disengagement of its said pins from the said current-carrying contact means of the lamp holder means, whereby disengagement of the lamp from the lamp holder means is prevented and its possible falling therefrom and damage to it, as well as cessation of the lighting effect, will be avoided. Also, inasmuch as such lamps are most often suspended from ceilings, or other fixed mounting means located above the area ultimately to be illuminated by the lamps, devices for facilitating the replacement of burnt-out, or otherwise inoperative, lamps are provided in order to protect workmen who perform the said services against falling lamps and other customary hazards of such services.
Description
United States Patent Detch et al.
[ LOCKING MEANS FOR DOUBLE PIN FLUORESCENT LAMPS [76] Inventors: Lewis Detch; Olive A. Detch, both of 2133 Chalfant St., Pittsburgh, Pa. 15221 221 Filed: Dec.4, 1973 211 App]. No.: 421,658
Detch 11 339/54 Primary ExaminerR0y D. Frazier Assistant Examiner-Terrell P Lewis [451 July 1, 1975 [57] ABSTRACT Locking means for fluorescent lamps. particularly such lamps which have two current-carrying pins protruding substantially axially of the lamp from each of its ends and engaging the complemental pin-engaging, current-carrying contact means for the said pins fixedly disposed in the lamp holder means at opposite ends of the lamp to prevent axial rotation of the lamp and the disengagement of its said pins from the said current-carrying contact means of the lamp holder means, whereby disengagement of the lamp from the lamp holder means is prevented and its possible falling therefrom and damage to it, as well as cessation of the lighting effect. will be avoided.
Also, inasmuch as such lamps are most often suspended from ceilings, or other fixed mounting means located above the area ultimately to be illuminated by the lamps, devices for facilitating the replacement of burnt-out, or otherwise inoperative, lamps are provided in order to protect workmen who perform the said services against falling lamps and other customary hazards of such services.
4 Claims, 9 Drawing Figures LOCKING MEANS FOR DOUBLE PIN FLUORESCENT LAMPS The invention relates, therefore, to locking means for double-pin fluorescent lamps which will insure the proper mounting and retention of such lamps in their mounting holders and will adequately serve to insure the proper electrical connection of the terminals (end pins) of the lamps with the respective contact elements of the end-adjacent lamp holders. The said locking means are preferably formed of a dielectric or insulating material such as Nylon," or equivalent and substantially similar synthetic plastic material, and such locking means may be, and preferably are, subjected to treatment in a heated bath of an impregnating substance, such as the dye commercially available as TINTEX" which will serve to harden the plastic material, give it the resiliency and normal rigidity adequate to insure operative stability for repeated insertion into and removal from locking position with respect to the lamp pins and lamp holders, and also to provide the surfaces of the locking means with reflective characteristics, preferably of a glowing nature, which will sim plify the work of the servicing operator in installation and removal of the locking, and lamps, particularly in overhead installations.
The primary object of the invention is to provide means for locking double-pin fluorescent lamps in their customary lamp holders in such a manner that they will not become dislodged, or electrically inoperative, in the presence of vibration or shock and thus also to guard against their falling from overhead installations with possible breakage and, or, danger of injury to workers operating beneath them.
Another object is to provide locking means for use in the installation of double-pin fluorescent lamps which mey readily be installed in, and removed from, locking position with respect to the bi-pins and the cooperating lamp holder means by a simple push or pull, respectively, of the locking means at substantially right angles to the axis of the lamp.
A still further object of the invention is to so form the locking device that it will tenaciously grip the end of the lamp adjacent to the lamp holder and will remain in such position and will also, due to the engagement with the end pins of the lamp, prevent inadvertent rotation of the lamp upon its longitudinal axis and its possible disengagement from the lamp holder means, thus insuring that the lamp will not fall from its installed position in the lamp holder means and the possibility of injury to those working below it avoided.
Furthermore, the coloration of the lamp locking device, and the nature of the means whereby such coloration is obtained not only serve to strengthen the locking device but also to make it of a reflective nature whereby, when the lamp is lighted, considerable assistance, particularly in overhead installations, in enabling an operative to determine whether a lamp is functioning properly, or not, and to direct his attention to the correction of malfunctioning, is provided.
Moreover, the hardening of the plastic material of the locking device by its subjection to the bath of im pregnating material, and its ability to withstand heat due to such impregnation, tend further to prolong the life of the locking device and to withstand any distortion thereof which might result in malfunctioning during service.
Other objects and advantages of the invention will become apparent as the following description proceeds.
In the accompanying drawings illustrating the invention, in the several figures of which like parts are similarly designated,
FIG. I is a fragmentary perspective view of one end of a fluorescent lamp installed in operative position in its respective lamp holder, and with the lamp locking means of the invention applied thereto in operative locking position.
FIG. 2 is an end view of the parts shown in FIG. I but with the locking means in a position below the lamp but suitable for engagement with the lamp end and lamp holder.
FIG. 3 is a view similar to FIG. 2 but with the locking means in a position of partial advancement to locking position.
FIG. 4 is an end view of the parts shown in FIGS. 2 and 3 in locking position as shown in FIG. 1.
FIG. 5 is a side view of the parts as shown in FIG. 4 and FIG. 5, and showing the relation of parts of the locking device in elevation.
FIG. 6 is an enlarged view, taken on line 66 of FIG. 5, and showing the relation of parts of the locking means in elevation.
FIG. 7 is a view of the inner face of the locking means.
FIG. 8 is a perspective view of a tool for installing and removing the locking means with respect to an elevated installation, and
FIG. 9 shows the tool of FIG. 8 during an installation or removal of the locking device.
Having reference particularly to FIGS. 1 to 6, it will be seen that the electrically wired, conventional, lamp support means 1, which may be suspended from a ceiling, or may be rigidly mounted upon any other suitable mounting element which will position the fluorescent lamp 2 in proper position to illuminate the desired adjacent area, the said support means being provided with a pair of similar lamp holders 3, only one of same being shown, spaced longitudinally of the support means a distance proper to receive between them the said lamp with its terminal pins 4 (FIG. 6) in engagement, upon rotation of the lamp upon its longitudinal axis, with the customary resilient contact elements 5 of the respective, longitudinally spaced, lamp holders 3.
As shown particularly in FIGS. 2 to 7, inclusive, the lamp locking means of the invention comprises a base plate 6 for insertion between the inner face of the adjacent lamp holder 3 and the proximate metal ferrule 7 of the lamp. As shown in FIGS. 1 to 7 this base plate 6 has a radially offstanding tang member 8 to which is fastened by a set-screw 9 a finger piece 10, or, as shown in FIGS. 8 and 9, it may furnish an engagement portion for a jaw member 11 having an extended handle 12 for use in engagement of the jaw member with the tang member 8 in elevated installations of the lamp holder 3 and the lamp locking means, or for disengagement of such lamp locking means from its locking position.
Also, the base plate 6 is provided with a pair of laterally spaced guides. or stop members, 13 for engagement with the lateral edges of the lamp holder 3, and an offstanding lug 14 for engagement in the usual groove 15 of the said lamp holder.
Extending inwardly of the base plate 6 is a socket 16 providing two parallel walls 17 and an offstanding centrally disposed lug 18 which, between them. provide recesses 19 for reception of the lamp pins 4 when the lamp has been rotated into its locking position.
Furthermore, the locking member includes a pair of arcuate arms 20 which, when the locking member is properly installed in locking position with respect to the lamp end, will embrace the periphery of the lamp ferrule, as shown in FIGS. 2 to 5, 7 and 9.
Various changes and modifications are considered to be within the purview of the invention and the scope of the following claims.
What is claimed is:
l. Locking means for a fluorescent lamp for holding said lamp in operative electrical assembly with a lamp holder means in which the lamp is mounted, compris ing a base plate having a major surface for insertion be tween the cylindrical end portion of the lamp and the adjacent face of the lamp holder means, said base plate having means for engagement with end pin means of the lamp and provided also with first means offstanding in one direction axially of the lamp for engagement with the lamp holder means, second means extending axially of the lamp in the opposite direction for embracing the cylindrical end portion of the lamp, said means comprising a pair of resilient, radially expansible, arcuate arms, each arm being axially displaced, and separate, from the major surface of the base plate,
said locking means serving, when inserted, to prevent axial rotation of the lamp with respect to the lamp holder means and insure retention of the lamp in the lamp holder means and thus to provide for operative electrical engagement of said pin means with complemental contact means of the lamp holder means, and to prevent inadvertent disengagement of the lamp from the lamp holder means.
2. Lamp locking means for a fluorescent lamp as claimed in claim 1, in which the said locking means is formed from a moldable plastic substance, including subjection of the said locking means to the action of an impregnating substance which will serve to harden the said plastic substance and to deter its distortion when it is serving the locking function.
3. Locking means for fluorescent lamps as claimed in claim 1, in which the said impregnating substance will also provide the locking means with reflective surfaces which will serve, when the lamp is lighted, to illuminate the area adjacent to the locking means.
4. Locking means for fluorescent lamps as claimed in claim 1, and including also with said base plate radially offstanding means to furnish a finger grip and a means for engagement of a tool for insertion and removal of the locking means with relation to its locking position. l l
Claims (4)
1. Locking means for a fluorescent lamp for holding said lamp in operative electrical assembly with a lamp holder means in which the lamp is mounted, comprising a base plate having a major surface for insertion between the cylindrical end portion of the lamp and the adjacent face of the lamp holder means, said base plate having means for engagement with end pin means of the lamp and provided also with first means offstanding in one direction axially of the lamp for engagement with the lamp holder means, second means extending axially of the lamp in the opposite direction for embracing the cylindrical end portion of the lamp, said means comprising a pair of resilient, radially expansible, arcuate arms, each arm being axially displaced, and separate, from the major surface of the base plate, said locking means serving, when inserted, to prevent axial rotation of the lamp with respect to the lamp holder means and insure retention of the lamp in the lamp holder means and thus to provide for operative electrical engagement of said pin means with complemental contact means of the lamp holder means, and to prevent inadvertent disengagement of the lamp from the lamp holder means.
2. Lamp locking means for a fluorescent lamp as claimed in claim 1, in which the said locking means is formed from a moldable plastic substance, including subjection of the said locking means to the action of an impregnating substance which will serve to harden the said plastic substance and to deter its distortion when it is serving the locking function.
3. Locking means for fluorescent lamps as claimed in claim 1, in which the said impregnating substance will also provide the locking means with reflective surfaces which will serve, when the lamp is lighted, to illuminate the area adjacent to the locking means.
4. Locking means for fluorescent lamps as claimed in claim 1, and including also with said base plate radially offstanding means to furnish a finger grip and a means for engagement of a tool for insertion and removal of the locking means with relation to its locking position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US421658A US3892457A (en) | 1973-12-04 | 1973-12-04 | Locking means for double pin fluorescent lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US421658A US3892457A (en) | 1973-12-04 | 1973-12-04 | Locking means for double pin fluorescent lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
US3892457A true US3892457A (en) | 1975-07-01 |
Family
ID=23671481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US421658A Expired - Lifetime US3892457A (en) | 1973-12-04 | 1973-12-04 | Locking means for double pin fluorescent lamps |
Country Status (1)
Country | Link |
---|---|
US (1) | US3892457A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4280169A (en) * | 1979-07-25 | 1981-07-21 | Allen Carl J | Fluorescent lamp end cap |
US4542947A (en) * | 1984-06-04 | 1985-09-24 | Midland-Ross Corporation | Locking assembly for fluorescent lamps |
US5282755A (en) * | 1993-01-19 | 1994-02-01 | Vemco Corporation | Locking device for fluorescent lamps |
EP0863586A1 (en) * | 1997-02-20 | 1998-09-09 | Boam R & D Co., Ltd. | Fluorescent lamp |
US5855487A (en) * | 1996-05-10 | 1999-01-05 | Molex Incorporated | Socket for fluorescent lamps |
US5954535A (en) * | 1997-12-30 | 1999-09-21 | Aerospace Lighting Corporation | Quick release compact fluorescent lamp connector |
US20030137843A1 (en) * | 2002-01-22 | 2003-07-24 | Alejandro Mier-Langner | Pull-out lamp holder assembly |
US6769789B1 (en) * | 2002-05-16 | 2004-08-03 | Won Young-Sun | Lamp-holder for fluorescent lamp |
US20050153590A1 (en) * | 2004-01-08 | 2005-07-14 | Mccauley Alvin D. | Fluorescent lamp retaining device |
US20060158875A1 (en) * | 2004-10-22 | 2006-07-20 | Leblanc Kenneth J | Floodlight featuring dual bracket with integral strap tensioning and wire splicing |
US7549787B1 (en) * | 2008-04-01 | 2009-06-23 | Lee Blaymore | Pivoting lock mechanism for fluorescent lamp sockets |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2336588A (en) * | 1942-03-25 | 1943-12-14 | Edward A Abbey | Locking device for tubular lamps or the like |
US2401408A (en) * | 1944-05-03 | 1946-06-04 | Harold S Bixby | Lock for fluorescent lamps |
US2455333A (en) * | 1943-09-22 | 1948-11-30 | Sylvania Electric Prod | Fluorescent lamp locking device |
US2505775A (en) * | 1945-09-21 | 1950-05-02 | Hubbell Harvey | Clip for fluorescent lamp sockets |
US3466594A (en) * | 1968-02-21 | 1969-09-09 | Lewis Detch | Locking devices for fluorescent lamps |
US3723945A (en) * | 1972-04-03 | 1973-03-27 | L Detch | Locking means for fluorescent lamps |
-
1973
- 1973-12-04 US US421658A patent/US3892457A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2336588A (en) * | 1942-03-25 | 1943-12-14 | Edward A Abbey | Locking device for tubular lamps or the like |
US2455333A (en) * | 1943-09-22 | 1948-11-30 | Sylvania Electric Prod | Fluorescent lamp locking device |
US2401408A (en) * | 1944-05-03 | 1946-06-04 | Harold S Bixby | Lock for fluorescent lamps |
US2505775A (en) * | 1945-09-21 | 1950-05-02 | Hubbell Harvey | Clip for fluorescent lamp sockets |
US3466594A (en) * | 1968-02-21 | 1969-09-09 | Lewis Detch | Locking devices for fluorescent lamps |
US3723945A (en) * | 1972-04-03 | 1973-03-27 | L Detch | Locking means for fluorescent lamps |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4280169A (en) * | 1979-07-25 | 1981-07-21 | Allen Carl J | Fluorescent lamp end cap |
US4542947A (en) * | 1984-06-04 | 1985-09-24 | Midland-Ross Corporation | Locking assembly for fluorescent lamps |
US5282755A (en) * | 1993-01-19 | 1994-02-01 | Vemco Corporation | Locking device for fluorescent lamps |
US5855487A (en) * | 1996-05-10 | 1999-01-05 | Molex Incorporated | Socket for fluorescent lamps |
EP0863586A1 (en) * | 1997-02-20 | 1998-09-09 | Boam R & D Co., Ltd. | Fluorescent lamp |
US5954535A (en) * | 1997-12-30 | 1999-09-21 | Aerospace Lighting Corporation | Quick release compact fluorescent lamp connector |
US20030137843A1 (en) * | 2002-01-22 | 2003-07-24 | Alejandro Mier-Langner | Pull-out lamp holder assembly |
US7018072B2 (en) | 2002-01-22 | 2006-03-28 | Genlyte Thomas Group, Llc | Pull-out lamp holder assembly |
US6769789B1 (en) * | 2002-05-16 | 2004-08-03 | Won Young-Sun | Lamp-holder for fluorescent lamp |
US20050153590A1 (en) * | 2004-01-08 | 2005-07-14 | Mccauley Alvin D. | Fluorescent lamp retaining device |
US20060158875A1 (en) * | 2004-10-22 | 2006-07-20 | Leblanc Kenneth J | Floodlight featuring dual bracket with integral strap tensioning and wire splicing |
US7402074B2 (en) * | 2004-10-22 | 2008-07-22 | Itt Manufacturing Enterprises, Inc. | Floodlight featuring dual bracket with integral strap tensioning and wire splicing |
US7549787B1 (en) * | 2008-04-01 | 2009-06-23 | Lee Blaymore | Pivoting lock mechanism for fluorescent lamp sockets |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3892457A (en) | Locking means for double pin fluorescent lamps | |
JPH06505115A (en) | Improvements in lamps and lamp holders for exhibition lighting | |
US5368495A (en) | Method and adapter for relocating a fluorescent tube in a fixture | |
ATE359611T1 (en) | ROTORLESS SOCKET FOR FLUORESCENT LAMPS | |
US2385820A (en) | Fluorescent maintenance apparatus | |
US2285175A (en) | Lamp socket | |
US3723945A (en) | Locking means for fluorescent lamps | |
US2516660A (en) | Recessed lighting fixture with removable reflector | |
US4654557A (en) | Lamp holder assembly having rotatable base | |
US3466594A (en) | Locking devices for fluorescent lamps | |
US3818418A (en) | Locking means for single pin fluorescent lamps | |
US11168890B2 (en) | Cooking apparatus light with form locking light conductor rod | |
US2248598A (en) | Tubular lamp base and socket | |
US3227868A (en) | Light unit and adapter base | |
US2847561A (en) | Fluorescent luminaire | |
US1790239A (en) | Lamp socket | |
US2505775A (en) | Clip for fluorescent lamp sockets | |
US2849697A (en) | Turn in socket | |
EP0252013A3 (en) | Mounting assembly for suspension lighting fixtures | |
GB2180106A (en) | Lampholder cord restraint | |
US1594489A (en) | Hand portable electric lamp | |
JPH0346472Y2 (en) | ||
US2279913A (en) | Lamp socket | |
US1881663A (en) | Lamp clamp | |
US1573394A (en) | Parking lamp |