Abstract: An electric discharge lamp apparatus which incorporates an arc tube 10 structured such that an enclosed glass bulb 12 of an arc tube body 11 is enclosed in an ultraviolet-ray shielding globe 20 and having a front end which is supported by a metal lead support 36 forwards extending from an insulating plug 30 provided with a focusing ring 34 and made of synthetic resin and which has a structure that a rear end of the globe 20 of the arc tube 10 is supported by a metal support member 50 secured to the insulating plug 30, wherein the metal support member 50 is constituted by a metal base plate 51 secured to the insulating plug 30 and forming a reference plane f2 running parallel to the focusing ring 34 on the front surface of the insulating plug and a metal vertically-holding member 60 (a slide plate 61 and an arc-tube holding band 71) integrally joined to the metal base plate 51 and arranged to vertically hold an electrically-discharge axis L of the held arc tube 10 with respect to reference plane f2 of the meta

Abstract: The invention relates to a base for compact fluorescent lamp comprising a body and a cap which are fixed to each other along an outside connection surface, a discharge tube is fixed in the cap and metal pins ensuring a releasable electrical contact are fixed in the body Electrode inleads of the discharge tube are connected to the metal pins, and a connection hollow ensuring an also releasable mechanical joint is formed in the body Extensions as elongations of the wall of the connection hollow are formed inside the base where at least one opening is formed in the extensions and some of the electrode inleads are connected to the metal pins through the opening. Another aspect of the invention is that the extensions are formed inside the base as an elongation of the wall of the connection hollow, and some of the electrode inleads are passed through between the extensions and then are connected to the metal pins.

Abstract: A first lamp base assembly is provided which includes two separate base components. The first base component is attachable to a lamp via a lamp retainer and to the second base component. The second base component is attachable to the first base component and to a connector. The second base component may be a straight base component or an angled base component. Since either one of the second base components may be attached to the first base component, an adjustable lamp base assembly is provided which may be assembled as a straight or an angled lamp base. A second lamp base assembly is provided which includes a base which is attachable to a connector and one of various differently configured lamp attachment members, such attachment members being adapted to be attachable to a lamp via a lamp retainer. Since various lamp attachment members may be attached to the base, an adjustable lamp base assembly is provided which may be adapted for use with different lamps.

Abstract: The present invention proposes a modified lamp series. The lamp series is a power cable with a plurality of bulb sets installed thereon. Each bulb set comprises a bulb seat, a fixing outer lid, and a bearing soft core. An accommodation groove is disposed in the bulb seal. An outer thread is formed on the upper periphery of the bulb seat. An inner thread is formed in the fixing outer lid. A retaining ring is installed on the top of the fixing outer lid. A bulb base of the light bulb penetrates an opening at the center of the retaining ring. The inner thread of the fixing outer lid can be matched exactly with the outer thread of the bulb seat such that the fixing outer lid can be screwed firmly on the bulb seat. The bearing soft core can be lapped exactly in the accommodation groove. Two opposite holes are disposed at proper positions of the bottom of the bearing soft core. The bulb base of the light bulb penetrates the opening of the fixing outer lib and is placed in the bearing soft core.

Abstract: A molded lamp base receives a press seal of a lamp. Internal walls of the base define a cavity open at one end to receive the press seal portion of the lamp. The side walls have a thickness dimension and a width dimension substantially conforming to the peripheral dimensions of the press seal portion. At least one raised bead extends inwardly from the cavity side wall and is dimensioned for a friction fit with the periphery of the lamp to hold the lamp securely in base. In one embodiment, the beads are located in semi-circular recesses disposed about the exhaust tube portion of the lamp while in another embodiment, the beads are spaced outwardly therefrom.

Abstract: A first lamp base assembly is provided which includes two separate base components. The first base component is attachable to a lamp via a lamp retainer and to the second base component along a planar surface. The second base component included a number of drive pins embedded in a plastic base. The pin heads define a locating surface that a planar surface of the first component unit may be adjusted across and welded to. The drive pins are inexpensive, and once they are mutually welded to the first component, they cannot unthread from the first component. A lamp including the foregoing lamp base assembly is also provided.

Abstract: A light set has multiple light units mounted on a multi-wire insulated cord, each light unit comprising a plastic push-in lampholders containing a bulb with two lead wires, a socket member receiving a pair of push-in contact elements and lampholder, and a base unit which snaps together with the socket member over the cord preparatory to insertion of the contact elements and lampholders. The contact elements pierce the cord insulation on opposite sides of a cutout through a selected one of the cord wires and establish positive contact with both parts of the severed wire by straddling respective of the wire parts with a pair of sharp prongs. Positive positioning of the bulb leads with respect to the contact elements is established by flexible leg extensions on the lampholders which interfit at their free ends with the leads and swing back to a position in the socket member pressing the leads against the contact elements.

Abstract: Lamp base contact plate for connecting a current lead-in wire of an electric lamp to a contact part of a lampholder, which contact plate being a pressed metal part of the lamp base and having a through bore for the lamp lead-in wire, is fixed firmly on an electrically insulating insert closing the end of a shell of the lamp base. The through bore for the lamp lead-in wire is formed as a first perforated bore (12) with torn skirt (20) protruding from the plane (L) of the contact plate (10) in a direction away from the insulator insert (30), and the contact plate (10), in addition to this first perforated bore (12), also includes at least two further perforated bores (14, 16, 18), each having a torn skirt (22, 24, 26) protruding from the plane (L) of the contact plate (10) in a direction opposite to the direction of the torn skirt (20) of the first perforated bore (12), towards the insulator insert (30).

Abstract: An LED light string structure is provided. The LED light string structure includes an LED (1) having conductive leads (12) projecting from one end. The leads (12) have an arcuate shape and make electrical contact with first and second terminals (31). The apices of the arcuate leads (12) act as both electrical contact points and as mechanical retention points.

Abstract: A reflector lamp may be made with a reflector and base holding a hermeticy sealed bulb. The bulb encloses a filling and a light source, the light source being a high voltage or medium voltage light source in which an operating voltage of at least 80 volts is present. The reflector consists of a basic body with a reflector contour and a neck part attached to a rear portion of the basic body, and a base which is joined to the neck part and which has at least two metallic contact pins with cylindrical seals on an end farthest from the bulb. A current feeder system makes an electrical lead available for use by the light source. The base is formed completely from the same material as the neck part and as an integral part directly on the neck part of the reflector.

Abstract: A decoration lamp device has a bulb, a sleeve having an upper groove receiving the bulb, and a screw base receiving the sleeve. The bulb has a first filament and a second filament. The sleeve has an upper rim, a plurality of protruded bars, the upper groove, a lateral hole communicating with the upper groove, an extended hole communicating with the upper groove, an aperture communicating with the extended hole, a bottom center hole communicating with the aperture, a welded spot positioning the first filament, and a bottom taper flange. The bottom taper flange has a block rim. The screw base has an upper flare flange, a plurality of slots matching the protruded bars, and an outer thread.

Abstract: A bulb socket for receiving a base of a bulb, comprises: a bulb mounting hole into which the base of the bulb is mounted; a recessed portion formed in an inner peripheral surface of the bulb mounting hole; and an electrical connection terminal stored-in the recessed portion, the electrical connection terminal having a contact piece formed by cutting and raising a portion of the electrical connection terminal to project out from the recessed portion and contact with an outer peripheral surface of the bulb base, wherein the contact piece is bent at least two times toward the bulb mounting hole.

Abstract: The invention relates to an electric luminaire having a luminaire housing 0, 11) and at least one low-pressure discharge lamp (12) as well as an operating device for operating the at least one low-pressure discharge lamp (12), the operating device having lamp-side (19a) and line-side electric terminals (19e, 19f) for supplying voltage to the at least one low-pressure discharge lamp (12) and to the operating device. According to the invention, the at least one low-pressure discharge lamp (12) is fastened to the luminaire housing (10) with the aid of an adhesive means (13), preferably by means of a double-sided adhesive tape. Moreover, according to the invention the at least one low-pressure discharge lamp (12) is uncapped and has a plurality of supply leads (14a, 14b, 14c, 14d) which project from its discharge vessel and are connected according to the invention in each case to one of the lamp-side electric terminals (19a) of the operating device.

Abstract: An improved electrically conductive light bulb base for use with common threaded light bulb sockets currently widely used. The improvement combines a substantial reduction in the amount of thread required, by employing a shorter thread that enlarges or increases in size, in radius, or both. This type of thread is in place of the standard thread in securing the bulb in the socket. Optionally, short portions of thread may be provided on one side of a generally cylindrical, smooth base. The particular advantage is that the bulb inserted by hand can be inserted and secured or released and removed with a minimum number of turns of the wrist.

Abstract: The capped electric lamp has a glass bulb (1) having an opening (3) which is sealed with an insulator plate (4). The lamp cap (20) has a circumferential wall (22) which seizes about a circumferential rim (7) of the plate (4) and presses the plate (4) against an abutment (24) in the cap (20). Thereby, an electric element (9) in the bulb (1) which is mounted in a predetermined position with respect to the plate (4), has a predetermined position with respect to references (25) at the cap (1).

Abstract: To provide a easily manufactured high-temperature connection between a pinch-sealed end of a tubular radiator and a base, without requiring cement, the pinch-sealed end has a projecting lead (9) which is fitted into, or against, a projecting end portion (11", 12") of a terminal (11, 12) with a headed outer end (11', 12'); the lead, and the projecting portion of the terminal are securely electrically and mechanically connected within a longitudinal opening (15', 16') of the base (15, 16). This connection can be effected by forming a lateral opening (19, 19') in the base in a region of engagement, or overlap of the lead (9, 10) and the projecting portion (11", 12"), and introducing energy from one side, e.g., by laser welding, or from both sides, e.g., by spot welding, or mechanical compression of the lead (9, 10), and the extending portion (11", 12") of the terminal.

Abstract: The discharge lamp has a discharge tube filled with a fill gas and sealed in a gas-tight manner and a cap part made to be suitable for connection to a socket. This cap part has a housing made by a shell and a closing member fixed thereto, and electrical contact components. The shell has openings for receiving the end portions of the discharge tube legs into the housing and the shell is made to be suitable for supporting the discharge tube mechanically. The electrical contact components are embedded in the housing and connected in the inner space of the housing to the electrodes of the discharge lamp and protrude from the cap part. The cap part contains mechanical support component(s) for fixing the discharge lamp in the socket.

Abstract: The press-fit section 31 is made up of a lance member 33 for engagement with the latch apertures 26a and 29b of terminal legs 26 and 29 of central and peripheral terminals 3 and 4 and a press-fit portion 36 formed by a pair of linear protrusions 34L and 34R and a pair of pressdown pieces 35L and 35R so that by engaging the lance member 33 with the latch apertures 26a and 29b and holding the terminal legs 26 and 29 between the pressdown pieces 35L and 35R and the linear protrusions 34L and 34R, the terminal leges 26 and 29 are connected to the press-fit terminal 5 with the crimping section 30 crimped on an electrical wire 39.

Abstract: An electrical socket for a landscape lighting fixture includes a body having two side walls and two end walls extending between the side walls. The side and end walls cooperate to form a hollow interior for receiving a lamp. Each of the end walls is outwardly movable to permit one or more protrusions on the lamp to be received by the socket and includes one or more abutment surfaces each adapted to be engaged one of the protrusions to resist removal of the lamp from the socket.

Abstract: A systematic configuration of compact fluorescent lamps of different power levels determines the operating parameters for normal operation of each respective lamp in a single-type ballast.

Abstract: A miniature push-in type light unit has injection-molded plastic push-in lampholders, a socket member receiving a pair of push-in miniature contact elements and the socket member, and a base unit which snaps together with the socket member over a multi-wire insulated cord preparatory to insertion of the contact elements. The contact elements pierce the cord insulation on opposite sides of a cutout through a selected one of the cord wires and establish positive contact with both parts of the severed wire by straddling respective of the wire parts and clamping against the adjacent cord insulation by the blunt crimping portion. Proper positioning of the lampholder and positive positioning of leads from the bulb mounted in the lampholder is established for providing and maintaining engagement of the bulb leads with the contact elements.

Abstract: The electrical connector is used for connection to a light source having a contact element (20) for electrical connection with a positive terminal of a voltage source and a base plate (18) and/or base section (22) for a ground connection. The electrical connector includes a plug part (30) having a contacting receptacle (32) formed to fit together with the contact element (20) of the light source, an electrically insulating sheath (36, 38, 40) and a ground contact element (50) arranged on the sheath (38). The electrically insulating sheath is provided with an opening (44) for insertion of the contact element (20) so that the contacting receptacle (32) is contacted by the contact element (20).

Abstract: A high voltage flashlamp connector includes a housing having a well formed therein intersecting a flashlamp supporting opening and having a female connector positioned in the well and aligned with the intersecting flashlamp opening. An electrical conductor is attached through the well to the female connector and the well is filled with an encapsulate forming a seat for the housing. The method includes forming the outer shell of the apparatus of a glass-filled polyphenylene oxide having a well and a flashlamp insert opening having an annular groove formed therein and attaching a high voltage electrical conductor to the female connector which is placed in the outer shell well positioned within the flashlamp opening, and cleaning the shell surfaces, and filling the shell with an encapsulate with a mold pin positioned in the flashlamp opening, and then inserting an O-ring seal and attaching a flashlamp.

Abstract: A capped electric lamp is disclosed having a cap of insulating material. The cap has a base provided with concentric contact faces which are separated by a circumferential channel. The shell of the cap has a first axial portion near the base, which has a circumferential groove and a diameter smaller than the diameter of a second axial portion remote from the base. A third narrowest axial portion may be present adjacent the base and a fourth axial portion between the first and the second, having an intermediate diameter. The capped lamp may be mounted in an electrically safe, slim push-in/push-out lampholder.

Abstract: A reflector lamp unit is provided having a light source which is capable of meeting the efficiency requirements mandated by law. The reflector lamp unit includes a pressed glass reflector member having a curved portion and a lower neck portion on which is secured a conventional threaded screw base. The light source can be a high efficiency light source such as a discharge light source of a tungsten-halogen light source contained within a pressurized lamp envelope. The light source is disposed within the curved portion of the reflector member at a position along the longitudinal axis and ahead of the optical focal point of the reflector. In this manner, a beam pattern is generated which is widely scattered and unfocused as compared to that beam pattern which would be produced from a light source disposed at the focal point. The reflective surface of the curved portion of the reflector member is lightly roughened thereby resulting in an increased diffusion characteristic of the beam pattern.

Abstract: The capped high pressure discharge lamp includes a light source (1) having a lamp vessel (1') with a first neck shaped portion (2) to which a lamp cap (30) is fixed. A connection conductor (7) runs alongside the discharge vessel to connect a second current supply conductor (5) extending from a second neck shaped portion (3) to a second contact member (36) of the cap. The lamp vessel (1') is contained by a tubular outer envelope (20), which is filled with air and does not envelope the connection conductor (7). The outer envelope (20, 50) has a narrowing portion (21, 52, 51) which encloses the second current supply conductor (5) or a neck shaped portion (2, 3). The outer envelope is maintained. The lamp is of a simple construction which allows for optimizing the light output or the temperature of the lamp vessel.

Abstract: An arrangement of an automotive lamp assembly is provided including a reflector housing with a central opening; a discharge light assembly mounted to the reflector through the opening; a base supporting the discharge light assembly in the reflector, the base having a concentric conductor connected to the discharge light assembly at one end and a pin first terminal on an opposite end of the first conductor, and the base having a second eccentric conductor connected to the discharge light assembly on one end with a collar connected on an opposite end; a socket sealed with the base, the socket having a concentric conductor for mating with the base concentric conductor, the socket concentric conductor having a collar terminal at a first end toward the base and a blade terminal at a second opposite end, the socket also having an eccentric conductor having a collar terminal at a first end toward the base and a blade end at a second opposite end; an annular high voltage insulation member surrounding the first end of

Abstract: An immersion lamp for a photochemical reactor with a discharge tube fitted in an outer bulb through which an inert gas flows having a lamp bulb with axially opposite mechanically stable electric terminals is held and contacted in a holder in the outer bulb, and the outer bulb is tubular and has at least one open end projecting into a hollow space in a connector head to provide electric contact and a secure mechanical support; the open end of the outer bulb is surrounded by at least one elastic seal which is surrounded axially by two inelastic metal plates laid on it having cut-outs for the passage of the end of the outer bulb and screws; the pressure exerted by said screws deforms the elastic seal radially to such an extent that it seals against both the outer wall at the end of the outer bulb and the inner wall of the hollow space and secures the outer bulb centrally in the connection head.

Abstract: A Christmas tree light including a plastic lamp holder defining an open chamber, and a bulb fastened to the open chamber of the lamp holder, wherein the lamp holder has two opposite transverse ribs inside the open chamber, the bulb has two opposite engagement faces forced into engagement with the periphery of the open chamber of the lamp holder, and two opposite transverse retaining grooves forced into engagement with the transverse ribs of the lamp holder.

Abstract: A push-in bulb base for use in a bayonet-type bulb socket. The push-in base does not require turning of the bulb base to engage the retaining bayonets of the bulb base in the L-shaped retaining slot of the bulb socket. The push-in bulb base has integrally formed flexible retainers which flex inward during installation and then flex back to their normal position to engage the L-shaped retaining slots of the bulb socket. An integrally formed alignment rib prevents the bulb base from being inserted into the bulb socket in a position that would prohibit the engagement of the retainer with the L-shaped retaining slot.

Abstract: The capped electric lamp has a glass lamp vessel (1) having first and second neck-shaped portions (2,3). An outer glass envelope (8) has a narrowed portion (9) where it is coupled to the first neck-shaped portion (2). A metal sleeve (10) has a clamping zone (11) which clampingly holds the outer envelope (8), and a welding zone (12) to which tongues (21) of a fixation member (20) which is fixed in a lamp cap (30) are welded. The metal sleeve (10) becomes narrower from the clamping zone (11) towards the first neck-shaped portion (2) up to the welding zone (12).

Abstract: The present invention relates to an improved socket structure used for Christmas decoration light bulbs, mainly comprising a bulb seat having an opening provided at both sides thereof and a socket shell having two corresponding protrusions disposed on the internal wall surface thereof. When the bulb seat together with a light bulb is inserted into the socket shell these two protrusions each extend into an opening to clamp the light bulb, reaching a reliably and securely united state.

Abstract: To reliably and simply connect one end of a double-ended discharge vessel it (1) and a surrounding envelope (11) to a base (8), the base has a base sleeve (8a) which encloses a base holder portion (8b). The envelope (11) is melt-connected to the discharge vessel unit (1), for example just beyond pinch seals formed thereon, and is additionally formed with an extension (11a) which is, in turn, melt-connected to the holder portion (8b) of the base. Preferably, a metallic cuff is placed within the holder portion so that, by high-frequency inductive heating, a reception region (8d) of the holder portion can melt and tightly grip the extension (11a) of the envelope. To improve adhesion, the surface of the extension region (11a) may be ribbed, knurled or otherwise, slightly deformed.

Abstract: This invention relates to a single-ended discharge lamp having an electric circuitry placed in its base member, which discharge lamp comprises a discharge tube filled with additive and gas, is sealed in a gas-tight manner and is provided with electrodes. A base member is provided for the mounting of the discharge tube and for incorporating the electric circuitry mounted on a printed circuit board therein. The base member has a screw base mounted thereon both for mechanical and electrical connection to a socket. Furthermore, the terminals of the circuitry are fixed and are electrically connected with the electrode lead wires by means of mechanical connector arrangement where the mechanical connector component is one contiguous metal part.

Abstract: The reflector lamp unit has an electric lamp (10) mounted in a reflector body (1) having a neck (4). A metal sleeve (20) is present around the neck. The sleeve has outward projections (21) to provide grip to retention means of a lamp holder, and inward projections (22) which engage grooves (6) present in the neck. The free-end portion (5) of the neck (4) extends beyond the sleeve (20). The unit is of a simple construction, which nevertheless provides for a rigid coupling of the sleeve (20) to the reflector body (1) even with large tolerances as to the size of the neck (4). The unit, moreover, obviates the risk of short-circuiting the contact elements of a lampholder by the metal sleeve.

Abstract: An indicator lamp includes a hollow body which accommodates a luminous component supplied with power by conductors connected to screw terminals and closed at the front by a transparent cap. The terminals are staggered relative to the axis of the indicator lamp and at least one screw axis is at an acute angle to the indicator lamp axis.

Abstract: To provide a strain relief in a base for an electric lamp, adapted for coction to an external electrical energy source by at least one connection cable (6a, 6b) extending through and into the base, the base (2) is formed with a strain relief arrangement which includes a resilient sleeve (11) having an inner wall surrounding the at least one connection cable and, within the base bottom portion (9, 9'), a sleeve reception structure (9a) positioned inwardly of the bottom of the base, which includes a sleeve reception bore (10a, 10b) receiving and surrounding the resilient sleeve (11a, 11b) and exerting circumferentially uniformly, radially inwardly directed forces on the resilient sleeve. This decreases the diameter of the sleeve so that the inner wall thereof engages, clamps and squeezes the deformable insulation of the at least one connection cable and, also, can interengage or interlock therewith. The bottom portion (9) and the top portion (7) of the base are snapped together.

Abstract: A male connector plug has an electrically insulative and resilient body having a first end and a plug end and first and second bores therebetween. Each of a pair of electrically conductive pins or tines are frictionally fitted in a respective bore and trap and contact a bare section of an electrical wire with that bore. A wiring segment includes a central parallel male connector or a series male connector and end connectors attached to each end of a wire pair. A lamp assembly is connected to the tines of the central male connector. A translucent sleeve surrounds the central male connector and lamp assembly. According to a further aspect of the invention, a balloon display includes a first inflated balloon having a tube therethrough, a second inflated balloon including-an internal lamp connected to an end connector and the wiring segment disposed through the tube of the first balloon such that the central male connector and lamp assembly are within the balloon within the tube.

Abstract: An insulating base for a discharge lamp device which provides good insulation between a lead support connected to a front end lead of an arc tube and a lead disposed on the rear side of the arc tube. The insulating base includes a base main body formed of synthetic resin. The base main body is a disk-shaped injection molding which includes a lead support insertion hole in the form of a first longitudinal through hole for mounting a lead support supporting the front end portion of an arc tube and acting as a current path to a lead disposed on the front side of the arc tube, and a lead insertion hole in the form of a second longitudinal through hole for insertion of a lead disposed on the rear end side of the arc tube.

Abstract: A discharge lamp assembly compatible with a conventional filament type vehicle lamp has a discharge lamp, and a base structure with a first base component made of ceramics and a second base component made of plastics. The first base component has a cylindrical tube having a height at center of the component for accepting the lamp together with a positive lead line of the lamp into the hole under the cylindrical tube, a hole at side of the component for accepting a negative lead line of the lamp, and a slit between the holes. A first partition wall is provided between the slit and the hole. The second base component has a circular flange and a hollow housing under the flange which engages with the first base component. A second partition wall is provided in the housing so that the second partition wall engages with the slit of the first base component when assembled.

Abstract: To securely and reliably hold a high-voltage, for example service-line voge (110 V, 220 V) halogen incandescent lamp within an outer envelope (2), and forming an electrical connection terminal to a screw-in, or straight-wall tubular base sleeve (3a, 43a) of a standard base, for example of the E14 or of the B22d type, a punched sheet-metal element (5, 5', 5", 25, 48, 48') is clamped around a projecting end portion (1a, 20a, 41a, 41a') of the halogen incandescent lamp; the projecting end portion, preferably, is a pinch seal, and the punched sheet-metal element is formed with a lower part and an upper part, in which the upper part clamps around or against the pinch seal. The lower part is partly located within the base sleeve and mechanically, and preferably electrically secured thereto. The pinch seal, preferably, is formed with a transversely extending rib, and the clamping portion is formed with a matching locating notch to ensure axial retention of the halogen lamp in the base.

Abstract: A base for an electrodeless arc discharge lamp having an elongated tubular stem extending through an outer envelope pinch or press seal includes a pair of electrically non-conductive members secured in mating relation to define an upper cavity and a lower axial bore. The lamp is mounted in the base with its pinch seal secured in the cavity and its stem extending into the bore. With the base mounted in a fixture, RF energy is coupled into the lamp to excite a starting aid in the stem via a conductive bushing in the bore.

Abstract: To protect the plastic material of a plastic base (2) holding a single-en high pressure discharge vessel (1) in position with respect to ultraviolet (UV) radiation and heat emitted from the discharge vessel in operation of the lamp, a cover element (7, 7") of UV radiation and high temperature resistant material, such as a ceramic and preferably aluminum oxide, is positioned between the discharge vessel and the plastic material of the base, located to shield the plastic base from UV and heat radiation. The cover element is, essentially, in disk or plate form, and irremovably connected to the base, for example by pin extensions integral with the base, passing through recessed openings in the cover element, and headed over, in the form of rivet or button heads, for example by ultrasonic welding.

Abstract: A focusable lamp having lamp capsule, coupler, and a base is disclosed. The capsule is formed with rigid leads. The capsule and coupler are further formed to allow capsule to be held in the coupler and still focused with respect to the coupler. The coupler also includes an internally projecting tab that is sufficiently near one lead that despite movement of the lead during focusing, the gap between the lead and tab may be bridged by solder to thereby electrically and mechanically fix the lamp capsule to the coupler. The coupler and second lead are further aligned and connected to a base. No cement is needed to position the lamp capsule.

Abstract: A lamp socket comprising: a body disposed about a longitudinal axis and having a cavity therein for receiving a plurality of electrical contacts; a bottom to said cavity; a plurality of apertures in said bottom; a plurality of electrical contacts in said cavity, each of said contacts having a lamp receiving portion within said cavity and an elongated terminal portion extending through said apertures and being bent at substantially 90 degrees to said longitudinal axis, said elongated terminal portions extending beyond the periphery of said body; latching tabs formed on said body adjacent said bottom; and a housing having a body receiving compartment and an elongated terminal portion receiving shroud joined to said housing, said body receiving compartment including latching slots for cooperative engagement with said latching tabs, said body being mounted in said body receiving compartment with said latching tabs being engaged with said latching slots.

Abstract: A projection is provided on a negative terminal projecting toward the socket center and positioned directly below the bottom of the bulb base, a cut-out recessed to the bottom is provided in the top of the base part, which is positioned along the bottom of the bulb insertion opening and is bent in the perpendicular horizontal direction from the bottom of the flat member, and the base part is set to not contact the positive terminal when positioned with the projection contacting the bottom shoulder of the bulb base.

Abstract: The electric lamp has a lamp vessel (1) having seals (4, 5) onto which respective bases (20, 21) are secured. Each base comprises a cylindrical insulator body (22) in a free end of which a contact member (30) is accommodated, having a contact face (31) and a protruding portion (33) which has a connection area (32) to which a current supply conductor (8) of the lamp is secured. The contact member (30) is a body made from metal foil.

Abstract: The capped electric lamp has a lamp cap with a central cavity which provides access to a first contact member, a first portion of the lamp vessel being fixed in this cavity. A second conductor is connected to a second contact member separate opening. The first contact member is centrally positioned, the second contact member is positioned on a concentric cylinder. The lamp cap has projections for fixation of a connector. A connector for the lamp has a central first contact and a second contact on a cylinder concentric therewith, as well as a fixing device for cooperating with the lamp cap for the purpose of fixation. The connector may be coupled to the lamp cap in several relative rotational positions.

Abstract: A Christmas lamp with a base has a cylindrical portion formed with a plurality of lengthwise ribs and a plurality of lengthwise slots defined by the ribs. The slots are useful for dispersing heat produced by the lamp quickly. And, inner contact surfaces of the ribs are in close contact with an outer surface of the lamp to keep the lamp secured in the base.

Abstract: A capped electric lamp for use at mains voltage includes a lamp vessel (1), a lamp cap (10) and a mounting member (40). The lamp cap has a shell (20) and an insulator body (30), the shell being secured to the lamp vessel by an adhesive compound. The insulator body is secured to the shell. Current supply conductors (6) extend from the lamp vessel and through the insulator body, and where they emerge therefrom are connected to contact pins (31) which are anchored in the insulator body. The contact pins extend through the mounting member (40) and are secured in cavities (32) in the insulator body. The mounting member may have various different shapes, e.g., it may be composed of two parts, one of which is rotatably supported in the other. Such a lamp construction is reliable and easily manufactured.