US3229083A - Replaceable miniature lamp assembly - Google Patents

Replaceable miniature lamp assembly Download PDF

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US3229083A
US3229083A US282453A US28245363A US3229083A US 3229083 A US3229083 A US 3229083A US 282453 A US282453 A US 282453A US 28245363 A US28245363 A US 28245363A US 3229083 A US3229083 A US 3229083A
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bulb
housing
leads
conductors
cap
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Jr Ben B George
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00

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  • This invention relates to lamps and, in particular, to very small lamps for use with very small bulbs.
  • a specific object of the invention is to provide such a lamp for use with a Wire lead miniature bulb for sliding insertion and removal of the bulb from the lamp housing.
  • the invention is currently being used with production bulbs less than one-eighth inch in diameter and less than one-quarter inch in length.
  • a further object is to provide such a lamp including a cap for closing the open end of the housing and retaining the bulb, with the cap being transparent, translucent or partially opaque as desired.
  • a particular object of the invention is to provide such a lamp which may utilize various forms of caps including a cap with an integral focusing lens and a cap with a fiat exterior face for carrying various indicia.
  • the invention also comprises novel details of construction and novel combinations and arrangements of parts, which will more fully appear in the course of the following description.
  • the drawing merely shows and the description merely describes preferred embodiments of the present invention which are given by way of illustration or example.
  • FIG. 1 is a longitudinal sectional view of the preferred form of the lamp
  • FIG. 2 is a sectional view taken along the line 22. of FIG. 1;
  • PEG. 3 is an exploded view of the lamp of FIG. 1;
  • FIGS. 4 and 5 are isometric views of alternative forms of the cap.
  • the lamp includes a housing Til, tubular conductors l1, l2, and a cap 13, with the bulb 14 positioned within a receptacle 15 of the housing Ill
  • the bulb 14 may be a conventional bulb with flexible wire leads 16, 17 normally intended for soldering directly into an electrical circuit.
  • the housing It] typically may be molded of plastic and includes openings 20, 21 at the closed end thereof for receiving the tubular conductors 11, 12.
  • the tubes comprising the conductors ll, 12 preferably are flared at the inner ends 22, 23 to facilitate insertion of the bulb leads therein.
  • the exterior ends 24, 25 of the tubes may be closed as by crimping, may be left open, or may be bent into a loop or other shape to facilitate connection thereto.
  • the tubes 11, 12 preferably are made push fits in the openings 2Q, 21 so that the tubes may be slid into place in the housing.
  • the hemispherical cap 13 may be of cast plastic and may be transparent or translucent and may be clear or have any desired color. Means are provided for fixing the cap on the housing so that the cap may be mounted and removed as desired. Preferably, an annular groove 39 in the housing engages an annular rib 31 of the cap, permitting the cap to be pushed into place on the housing and to be removed by a pulling force, preferably by a tool engaging the edge 32.
  • the tubular conductors are installed in the housing at the factory, as by dipping a conductor in cement and then sliding the conductor into the housing opening, leaving a seal 33 about the conductor.
  • Caps, bulbs and housings with conductors are supplied separately to the circuit assembler.
  • the housing is mounted on a suit-able support, such as a panel 35, by pushing the housing into a mating opening from the front side of the panel.
  • the housing is preferably provided with a collar or flange 3d and a plurality of tapered surfaces 37, with the tapers converging toward the tubular conductor end of the housing.
  • the opening in the mounting panel is preferably made a slight interference fit with the maximum size of the taper permitting the housing to be pushed into the opening with the shoulder of a taper engaging the back side of the mounting panel for retaining the housing in place.
  • the housings are cylindrical for insertion into round openings but of course square, octagonal and other cross-sectional shapes may be utilized for the housing as desired.
  • the tubular conductors ll, 12 are connected into the electrical circuit by any suitable means. Then the bulb is inserted into the housing with the bulb leads sliding into the tubular conductors, after which the cap is snapped into place. The cap may be removed and a new bulb substituted at any time from the front side of the panel without requiring any soldering, screwing or other mechanical terminal manipulation.
  • the lamp of the invention is particularly adapted for use with very small bulbs and provides a complete installation for a replaceable bulb that is extremely small and one which requires a minimum of volume in addition to that occupied by the bulb itself.
  • bulbs less than one-eighth inch in diameter and one-quarter inch in length having wire leads in the order of .007 to .011 inch diameter are mounted in housings three-sixteenths of an inch outside diameter and may be installed in multiples with center-to-centcr spacing in the order of one-quarter of an inch.
  • the tubular conductors ll, 12 are formed of beryllium copper tubing .015 inch inside diameter with .005 inch wall thickness. In applications where many indicator lights are required, this extremely small lamp with its easily replaceable bulb permits a very compact and spacesaving installation.
  • FIG. 4 A cap 40 with a square cross section and flat end face 41 is shown in FIG. 4. This form is particularly adapted for presenting indicia in rows and columns.
  • An opaque character may be positioned on the face 41 or the entire surface may be opaque except for the outline of the desired character.
  • FIG. 5 Another alternative form of cap particularly adapted for producing a concentrated beam of light is shown in FIG. 5.
  • a lens 43 is positioned at the end of the cap 42, the lens preferably being integrally moulded with the cap.
  • This particular cap is especially adapted for use in indicator lamps for calling attention to a malfunction and in lamps used in control circuits for exciting a light sensitive element.
  • These alternative caps are mounted on the housing in the same manner as the cap 13 of FIG. 1 and the caps may be interchanged as desired.
  • an assembly for replaceably connecting an illuminating bulb, having elongated flexible leads extending outwardly from the bulb, in an electrical circuit, comprising:
  • a housing having a receptacle for receiving the bulb
  • each of said conductors having an open end terminating in said housing and an opposite end terminating outside said housing for connection into an electrical circuit.
  • an assembly for replaceably connecting an illuminating bulb, having elongated flexible leads extending outwardly from the bulb, in an electrical circuit comprising:
  • a housing having a receptacle for receiving the bulb
  • each of said conductors having an open end terminating in said housing to permit insertion of the leads and an opposite end terminating outside said housing for connection in an electrical circuit.
  • an assembly for replaceably connecting an illuminating bulb, having elongated flexible leads extending outwardly from the bulb in an electrical circuit comprising:
  • a housing having a receptacle for receiving the lead end of the bulb
  • each of said conductors having an open end terminating in said housing to permit insertion of the leads and an opposite end terminating outside said housing for connection in an electrical circuit;
  • a cap for enclosing the opposite end of the bulb within said housing, said housing and cap including cooperating means for removably fixing said cap on said housing with a snap lit.
  • an assembly for replaceably connecting an illuminating bulb, having elongated flexible leads extending outwardly from the bulb, in an electrical circuit comprising:
  • a housing having a receptacle for receiving the bulb and having a peripheral mounting surface with at least one tapered surface extending outwardly from the axis of said receptacle and terminating at the larger end in an abrupt decrease in size;
  • tubular conductors each slidably receiving and removably engaging with a loose fit one of the leads of said bulb, the interior radial dimensions of said tubular conductors being substantially larger than but related to the exterior dimensions of the leads to insure that the exterior surface of the lead slidably received and removably engaged therein bears against the interior surface of said conductor along a substantial portion of its length establishing an area of electrical contact sufficient to transfer electrical energy for operating said bulb, each of said conductors having an open end terminating in said housing and an opposite end terminating outside said housing for connection in an electrical circuit.
  • an assembly for replaceably connecting an illuminating bulb, having elongated fiexible leads extending outwardly from the bulb, in an electrical circuit comprising:
  • a housing having a receptacle for receiving the lead end of a bulb and having a peripheral mounting surface with at least one tapered surface extending outwardly from the axis of said receptacle and terminating at a larger end in an abrupt decrease in size;
  • each of said conductors having a flaring open end at said receptacle permitting the insertion of said leads and an opposite end terminating outside said housing for connection into an electrical circuit;
  • a cap for enclosing the opposite end of the bulb Within the housing, the housing and cap including cooperating means for removabiy fixing said cap on said housing with a snap fit.
  • a miniature illuminating lamp assembly comprising:
  • an illuminating bulb having elongated flexible leads a pair of elongated tubular conductors, each slidably receiving and removably engaging with a loose fit one of the leads of said bulb, the interior radial dimensions of said tubular conductors being substantially larger than but related to the exterior dimensions of said leads to insure that the exterior surface of the lead slidably received and removably engaged therein bears against the interior surface of said conductor along a substantial portion of its length establishing an area of electrical contact sufficient to transfer electrical energy for operating said bulb, each of said conductors having an open end terminating in said housing and an opposite end terminating outside of said housing for connection into an electrical circuit.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Description

Jan. 11, 1966 GEORGE, JR 3,229,083
REPLACEABLE MINIATURE LAMP ASSEMBLY Filed May 221, 1963 INVENTOR.
BEN 5. GEORGE JR.
5) HIS ATTORNEYS HARE/5, K/EcH, RUSSELL. & KEEN United States Patent 3,229,083 REPLACEABLE MHNIATURE LAMP ASSEMBLY lien B. George, Jr., 15022 Ventura Blvd, Sherman (Baits, Calif. Filed May 22, 1963, Ser. No. 232,453 9 Claims. (Cl. Mil-3.16)
This invention relates to lamps and, in particular, to very small lamps for use with very small bulbs.
Extremely small electric bulbs are now widely used and are available with two different means for connection into electrical circuits. Bulbs with wire leads may be soldered or welded directly into the circuit. This mode of use is highly satisfactory for initial installation but presents many dificulties When a bulb needs replacing. Bulbs are also available with metal bases for insertion into mating sockets. Bulbs of this type are much easier to install and replace but the base and socket often is larger than the bulb, defeating the initial purpose of achieving a small over-all installation. It is an object of the present invention to provide a new and improved lamp particularly adapted for use with very small bulbs and one which permits the replacement of bulbs without utilizing bases and mating sockets. A specific object of the invention is to provide such a lamp for use with a Wire lead miniature bulb for sliding insertion and removal of the bulb from the lamp housing. The invention is currently being used with production bulbs less than one-eighth inch in diameter and less than one-quarter inch in length.
It is an object of the invention to provide a lamp for a replaceable wire lead miniature bulb and including a housing having a receptacle for receiving the bulb, and a pair of tubular conductors positioned in the housing for slidably receiving the leads of the bulb disposed in the receptacle, with each of the conductors having an open end terminating within the housing and an opposite end terminating outside the housing.
It is an object to provide such a lamp which may be mounted in an opening in a circuit plate or chassis or the like by a simple push fit into the opening. A further object is to provide such a lamp including a cap for closing the open end of the housing and retaining the bulb, with the cap being transparent, translucent or partially opaque as desired. A particular object of the invention is to provide such a lamp which may utilize various forms of caps including a cap with an integral focusing lens and a cap with a fiat exterior face for carrying various indicia.
The invention also comprises novel details of construction and novel combinations and arrangements of parts, which will more fully appear in the course of the following description. The drawing merely shows and the description merely describes preferred embodiments of the present invention which are given by way of illustration or example.
In the drawing:
FIG. 1 is a longitudinal sectional view of the preferred form of the lamp;
FIG. 2 is a sectional view taken along the line 22. of FIG. 1;
PEG. 3 is an exploded view of the lamp of FIG. 1; and
FIGS. 4 and 5 are isometric views of alternative forms of the cap.
The lamp includes a housing Til, tubular conductors l1, l2, and a cap 13, with the bulb 14 positioned within a receptacle 15 of the housing Ill The bulb 14 may be a conventional bulb with flexible wire leads 16, 17 normally intended for soldering directly into an electrical circuit.
The housing It] typically may be molded of plastic and includes openings 20, 21 at the closed end thereof for receiving the tubular conductors 11, 12. The tubes comprising the conductors ll, 12 preferably are flared at the inner ends 22, 23 to facilitate insertion of the bulb leads therein. The exterior ends 24, 25 of the tubes may be closed as by crimping, may be left open, or may be bent into a loop or other shape to facilitate connection thereto. The tubes 11, 12 preferably are made push fits in the openings 2Q, 21 so that the tubes may be slid into place in the housing.
The hemispherical cap 13 may be of cast plastic and may be transparent or translucent and may be clear or have any desired color. Means are provided for fixing the cap on the housing so that the cap may be mounted and removed as desired. Preferably, an annular groove 39 in the housing engages an annular rib 31 of the cap, permitting the cap to be pushed into place on the housing and to be removed by a pulling force, preferably by a tool engaging the edge 32.
In the preferred mode of use, the tubular conductors are installed in the housing at the factory, as by dipping a conductor in cement and then sliding the conductor into the housing opening, leaving a seal 33 about the conductor. Caps, bulbs and housings with conductors are supplied separately to the circuit assembler. The housing is mounted on a suit-able support, such as a panel 35, by pushing the housing into a mating opening from the front side of the panel. The housing is preferably provided with a collar or flange 3d and a plurality of tapered surfaces 37, with the tapers converging toward the tubular conductor end of the housing. The opening in the mounting panel is preferably made a slight interference fit with the maximum size of the taper permitting the housing to be pushed into the opening with the shoulder of a taper engaging the back side of the mounting panel for retaining the housing in place. Normally the housings are cylindrical for insertion into round openings but of course square, octagonal and other cross-sectional shapes may be utilized for the housing as desired.
After the housing is mounted in the panel, the tubular conductors ll, 12 are connected into the electrical circuit by any suitable means. Then the bulb is inserted into the housing with the bulb leads sliding into the tubular conductors, after which the cap is snapped into place. The cap may be removed and a new bulb substituted at any time from the front side of the panel without requiring any soldering, screwing or other mechanical terminal manipulation.
The lamp of the invention is particularly adapted for use with very small bulbs and provides a complete installation for a replaceable bulb that is extremely small and one which requires a minimum of volume in addition to that occupied by the bulb itself. In one form now in use, bulbs less than one-eighth inch in diameter and one-quarter inch in length having wire leads in the order of .007 to .011 inch diameter are mounted in housings three-sixteenths of an inch outside diameter and may be installed in multiples with center-to-centcr spacing in the order of one-quarter of an inch. In this particular unit, the tubular conductors ll, 12 are formed of beryllium copper tubing .015 inch inside diameter with .005 inch wall thickness. In applications where many indicator lights are required, this extremely small lamp with its easily replaceable bulb permits a very compact and spacesaving installation.
Various other forms of caps may be utilized with the housing of FIG. 1. A cap 40 with a square cross section and flat end face 41 is shown in FIG. 4. This form is particularly adapted for presenting indicia in rows and columns. An opaque character may be positioned on the face 41 or the entire surface may be opaque except for the outline of the desired character.
Another alternative form of cap particularly adapted for producing a concentrated beam of light is shown in FIG. 5. A lens 43 is positioned at the end of the cap 42, the lens preferably being integrally moulded with the cap. This particular cap is especially adapted for use in indicator lamps for calling attention to a malfunction and in lamps used in control circuits for exciting a light sensitive element. These alternative caps are mounted on the housing in the same manner as the cap 13 of FIG. 1 and the caps may be interchanged as desired.
Although exemplary embodiments of the invention have been disclosed and discussed, it will be understood that other applications of the invention are possible and that the embodiments disclosed may be subjected to various changes, modifications and substitutions Without necessarily departing from the spirt of the invention.
I claim as my invention:
1. In a miniature illuminating lamp, an assembly for replaceably connecting an illuminating bulb, having elongated flexible leads extending outwardly from the bulb, in an electrical circuit, comprising:
a housing having a receptacle for receiving the bulb;
and
a pair of elongated tubular conductors, each slidably receiving and removably engaging with a loose fit one of the leads of said bulb, the interior radial dimensions of said tubular conductors being substantially larger than but related to the exterior dimensions of the leads to insure that the exterior surface of the lead slidably received and removably engaged therein bears against the interior surface of said conductor along a substantial portion of its length establishing an area of electrical contact sufficient to transfer electrical energy for operating said bulb, each of said conductors having an open end terminating in said housing and an opposite end terminating outside said housing for connection into an electrical circuit.
2. In a miniature illuminating lamp, an assembly for replaceably connecting an illuminating bulb, having elongated flexible leads extending outwardly from the bulb, in an electrical circuit, comprising:
a housing having a receptacle for receiving the bulb;
and
a pair of elongated tubular conductors, each slidably receiving and removably engaging with a loose fit one of the leads of said bulb, the interior radial dimensions of said tubular conductors being substantially larger than but related to the exterior dimensions of the leads to insure that the exterior surface of the lead slidably received and removably engaged therein bears against the interior surface of said conductor along a substantial portion of its length establishing an area of electrical contact suflicient to transfer electrical energy for operating said bulb, each of said conductors having an open end terminating in said housing to permit insertion of the leads and an opposite end terminating outside said housing for connection in an electrical circuit.
3. In a miniature illuminating lamp, an assembly for replaceably connecting an illuminating bulb, having elongated flexible leads extending outwardly from the bulb in an electrical circuit, comprising:
a housing having a receptacle for receiving the lead end of the bulb;
a pair of elongated tubular conductors, each slidably receiving and removably engaging with a loose fit one of the leads of said bulb, the interior radial dimensions of said tubular conductors being substantially larger than but related to the exterior dimensions of the leads to insure that an area of electrical contact between the exterior surface of the lead slidably received and removably engaged therein bears against the interior surface of said conductor along a substantial portion of its length establishing an area of electrical contact sufficient to transfer electrical energy for operating said bulb, each of said conductors having an open end terminating in said housing to permit insertion of the leads and an opposite end terminating outside said housing for connection in an electrical circuit; and
a cap for enclosing the opposite end of the bulb within said housing, said housing and cap including cooperating means for removably fixing said cap on said housing with a snap lit.
4. A miniature illuminating lamp assembly as defined in claim 3 in which said cap has a hemispherical closed end.
5. A miniature illuminating lamp assembly as defined in claim in which said cap has an integrally formed lens at the closed end thereof for transmitting light from the bulb.
6. A miniature illuminating lamp assembly as defined in claim 3 in which said cap has a flat exterior face at the closed end thereof for carrying indicia.
7. In a miniature illuminating lamp, an assembly for replaceably connecting an illuminating bulb, having elongated flexible leads extending outwardly from the bulb, in an electrical circuit comprising:
a housing having a receptacle for receiving the bulb and having a peripheral mounting surface with at least one tapered surface extending outwardly from the axis of said receptacle and terminating at the larger end in an abrupt decrease in size; and
a pair of tubular conductors, each slidably receiving and removably engaging with a loose fit one of the leads of said bulb, the interior radial dimensions of said tubular conductors being substantially larger than but related to the exterior dimensions of the leads to insure that the exterior surface of the lead slidably received and removably engaged therein bears against the interior surface of said conductor along a substantial portion of its length establishing an area of electrical contact sufficient to transfer electrical energy for operating said bulb, each of said conductors having an open end terminating in said housing and an opposite end terminating outside said housing for connection in an electrical circuit.
8. In a miniature illuminating lamp, an assembly for replaceably connecting an illuminating bulb, having elongated fiexible leads extending outwardly from the bulb, in an electrical circuit, comprising:
a housing having a receptacle for receiving the lead end of a bulb and having a peripheral mounting surface with at least one tapered surface extending outwardly from the axis of said receptacle and terminating at a larger end in an abrupt decrease in size;
a pair of elongated tubular conductors, each slidably receiving and removably engaging with a loose fit one of the leads of said bulb, the interior radial dimensions of said tubular conductors being substantially larger than but related to the exterior dimensions of the leads to insure that the exterior surface of the lead slidably received and removably engaged therein bears against the interior surface of said conductor along a substantial portion of its length establishing an area of electrical contact suflicient to transfer electrical energy for operating said bulb, each of said conductors having a flaring open end at said receptacle permitting the insertion of said leads and an opposite end terminating outside said housing for connection into an electrical circuit; and
a cap for enclosing the opposite end of the bulb Within the housing, the housing and cap including cooperating means for removabiy fixing said cap on said housing with a snap fit.
9. A miniature illuminating lamp assembly comprising:
an illuminating bulb having elongated flexible leads a pair of elongated tubular conductors, each slidably receiving and removably engaging with a loose fit one of the leads of said bulb, the interior radial dimensions of said tubular conductors being substantially larger than but related to the exterior dimensions of said leads to insure that the exterior surface of the lead slidably received and removably engaged therein bears against the interior surface of said conductor along a substantial portion of its length establishing an area of electrical contact sufficient to transfer electrical energy for operating said bulb, each of said conductors having an open end terminating in said housing and an opposite end terminating outside of said housing for connection into an electrical circuit.
References Cited by the Examiner UNITED STATES PATENTS Harrington et al.
EVON C. BLUNK, Primary Examiner.
NORTON ANSHER, Examiner.
I. F. PETERS, Assistant Examiner.

Claims (1)

1. IN A MINIATURE ILLUMINATING LAMP, AN ASSEMBLY FOR REPLACEABLE CONNECTING AN ILLUMINATING BULB, HAVING ELONGATED FLEXIBLE LEADS EXTENDING OUTWARDLY FROM THE BULB, IN AN ELECTRICAL CIRCUIT, COMPRISING: A HOUSING HAVING A RECEPTACLE FOR RECEIVING THE BULB; AND A PAIR OF ELONGATED TUBULAR CONDUCTORS, EACH SLIDABLY RECEIVING AND REMOVABLY ENGAGING WITH A LOOSE FIT ONE OF THE LEADS OF SAID BULB, THE INTERIOR RADIAL DIMENSIONS OF SAID TUBULAR CONDUCTORS BEING SUBSTANTIALLY LARGER THAN BUT RELATED TO THE EXTERIOR DIMENSIONS OF THE LEADS TO INSURE THAT THE EXTERIOR SURFAE OF THE LEAD SLIDABLY RECEIVED AND REMOVABLY ENGAGED THEREIN BEARS AGAINST THE INTERIOR SURFACE OF SAID CONDUCTOR ALONG A SUBSTANTIAL PORTION OF ITS LENGTH ESTABLISHING AN AREA OF ELECTRICAL CONTACT SUFFICIENT TO TRANSFER ELECTRICAL ENERGY FOR OPERATING SAID BULB, EACH OF SAID CONDUCTORS HAVING AN OPEN END TERMINATING IN SAID HOUSING AND AN OPPOSITE END TERMINATING OUTSIDE SAID HOUSING FOR CONNECTION INTO AN ELECTRICAL CIRCUIT.
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329951A (en) * 1965-07-12 1967-07-04 United Carr Inc Flush mount indicator
US3473015A (en) * 1967-03-30 1969-10-14 Ford Motor Co Bulb socket with light filter
US3580988A (en) * 1969-08-12 1971-05-25 Ampex Grommet for speaker enclosure
US3604918A (en) * 1968-11-29 1971-09-14 Oak Electro Netics Corp Miniature lamp assembly
US3619702A (en) * 1968-04-06 1971-11-09 Albrecht Kg Bamberg W Miniature light bulb
US3731081A (en) * 1972-02-04 1973-05-01 B Yellin Electrically illuminated ornamental display
US3887803A (en) * 1974-05-28 1975-06-03 Savage John Jun Light emitting diode device
US4303967A (en) * 1980-03-21 1981-12-01 David M. Letsche Welding light
US4398240A (en) * 1978-05-19 1983-08-09 Savage John Jun Lens cap holder for attachment to circuit boards
US4471414A (en) * 1982-03-11 1984-09-11 Savage John Jun Integrated light unit and circuit element attachable to circuit board
US4477864A (en) * 1982-07-15 1984-10-16 General Motors Corporation Lamp assembly
US4491900A (en) * 1982-09-27 1985-01-01 Savage John Jun Lens and mount for use with electromagnetic wave source
US5185570A (en) * 1990-02-12 1993-02-09 Helmuth J. Katz Telecommunications signal detector
US5261837A (en) * 1991-10-23 1993-11-16 Mcdonnell Douglas Corporation High density bi-pin receptacle
US20080102694A1 (en) * 2006-10-31 2008-05-01 Cheng-Chia Hsu Fixation Structure for Fixing a Lamp on a Printed Circuit Board
USD987167S1 (en) * 2020-03-23 2023-05-23 Osram Gmbh Heatsink for a lamp

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703398A (en) * 1953-11-16 1955-03-01 Marco Ind Company Multiple lamp block indicator
US2777942A (en) * 1953-12-03 1957-01-15 Crouse Hinds Co Lighting unit
US2826680A (en) * 1956-03-29 1958-03-11 Sears Roebuck & Co Pilot light assembly
US2957158A (en) * 1958-04-21 1960-10-18 Tung Sol Electric Inc Electric lamp unit
US3007599A (en) * 1957-04-24 1961-11-07 United Carr Fastener Corp Member for assembly in an aperture in a support
US3069650A (en) * 1959-03-05 1962-12-18 Noma Electric Company Ltd Flexible miniature lamp holder and connector
US3080554A (en) * 1961-01-25 1963-03-05 Marco Ind Company Modular type indicator
US3115308A (en) * 1961-12-26 1963-12-24 Ibm Snap-in housing
US3121185A (en) * 1960-02-13 1964-02-11 Philips Corp Electric lamp with lamp-cap-type base connector

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703398A (en) * 1953-11-16 1955-03-01 Marco Ind Company Multiple lamp block indicator
US2777942A (en) * 1953-12-03 1957-01-15 Crouse Hinds Co Lighting unit
US2826680A (en) * 1956-03-29 1958-03-11 Sears Roebuck & Co Pilot light assembly
US3007599A (en) * 1957-04-24 1961-11-07 United Carr Fastener Corp Member for assembly in an aperture in a support
US2957158A (en) * 1958-04-21 1960-10-18 Tung Sol Electric Inc Electric lamp unit
US3069650A (en) * 1959-03-05 1962-12-18 Noma Electric Company Ltd Flexible miniature lamp holder and connector
US3121185A (en) * 1960-02-13 1964-02-11 Philips Corp Electric lamp with lamp-cap-type base connector
US3080554A (en) * 1961-01-25 1963-03-05 Marco Ind Company Modular type indicator
US3115308A (en) * 1961-12-26 1963-12-24 Ibm Snap-in housing

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329951A (en) * 1965-07-12 1967-07-04 United Carr Inc Flush mount indicator
US3473015A (en) * 1967-03-30 1969-10-14 Ford Motor Co Bulb socket with light filter
US3619702A (en) * 1968-04-06 1971-11-09 Albrecht Kg Bamberg W Miniature light bulb
US3604918A (en) * 1968-11-29 1971-09-14 Oak Electro Netics Corp Miniature lamp assembly
US3580988A (en) * 1969-08-12 1971-05-25 Ampex Grommet for speaker enclosure
US3731081A (en) * 1972-02-04 1973-05-01 B Yellin Electrically illuminated ornamental display
US3887803A (en) * 1974-05-28 1975-06-03 Savage John Jun Light emitting diode device
US4398240A (en) * 1978-05-19 1983-08-09 Savage John Jun Lens cap holder for attachment to circuit boards
US4303967A (en) * 1980-03-21 1981-12-01 David M. Letsche Welding light
US4471414A (en) * 1982-03-11 1984-09-11 Savage John Jun Integrated light unit and circuit element attachable to circuit board
US4477864A (en) * 1982-07-15 1984-10-16 General Motors Corporation Lamp assembly
US4491900A (en) * 1982-09-27 1985-01-01 Savage John Jun Lens and mount for use with electromagnetic wave source
US5185570A (en) * 1990-02-12 1993-02-09 Helmuth J. Katz Telecommunications signal detector
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