# US 10,480,764 B2 · Connector system for lighting assembly

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- Number: US 10,480,764 B2
- Document ID: US10480764B2
- Status: Granted
- Kind: B2
- Application number: 16/394,970
- Filed: 2019-04-25
- Published: 2019-08-15
- Granted: 2019-11-19
- Earliest claimed: 2016-01-07
- Applicants: Michael W. May
- Inventors: Michael W. May
- Web page: https://patentgrep.com/patent/US10480764B2

## CPC

- F21V 23/06: the elements being coupling devices {, e.g. connectors}
- F21K 9/20: Light sources comprising attachment means
- F21K 9/272: Details of end parts, i.e. the parts that connect the light source to a fitting; Arrangement of components within end parts (F21K9/278 takes precedence)
- F21K 9/278: Arrangement or mounting of circuit elements integrated in the light source
- F21V 15/015: Devices for covering joints between adjacent lighting devices; End coverings
- F21V 19/0085: {at least one conductive element acting as a support means, e.g. resilient contact blades, piston-like contact}
- F21V 21/002: making direct electrical contact, e.g. by piercing (F21V21/35 takes precedence)
- F21V 23/001: {the elements being electrical wires or cables}
- F21V 23/02: the elements being transformers, impedances {or power supply units, e.g. a transformer with a rectifier}
- F21V 29/74: with fins or blades
- F21V 29/89: Metals
- H01R 13/6273: {comprising two latching arms}
- H01R 33/0845: {with axially resilient member}
- F21K 9/66: Details of globes or covers forming part of the light source
- F21V 3/02: characterised by the shape
- F21Y 2103/10: comprising a linear array of point-like light-generating elements
- F21Y 2115/10: Light-emitting diodes [LED]
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED

## Abstract

A linear LED lamp having a body with a length between spaced first and second ends. The linear LED lamp has an elongate heat sink and a light source comprising LED emitters and a first end cap assembly at the first end of the body. The first end cap assembly has conductive power and ground pins and a support connector has conductive power and ground terminals for connecting with an external power supply and providing a grounding path for components of the lamp. The power and ground pins of the first end cap assembly are configured to engage the power and ground terminals of the support connector as an incident of the first end cap assembly moving relative to the support connector in a path that is transverse to the length of the body into an engaged position. A sleeve connector is also provided for mounting a non-power end of a linear LED lamp to a light fixture.

## Claims

### Claim 1

A linear LED lamp having a body with a length between spaced first and second ends and configured to be installed in an operative state on a support, the linear LED lamp comprising:
a source of illumination comprising LED emitters on or within the body;
an elongate heat sink in thermal communication with the LED emitters;
a first end cap assembly at the first end of the body comprising a housing having a sidewall extending in a direction generally parallel to the length of the body and having first and second conductive power pins and a conductive grounding pin disposed within the housing, at least one of the conductive power pins adapted to provide power to the lamp and the conductive grounding pin electrically isolated from the conductive power pins and being connectable to a ground circuit, the pins each having an elongated engagement portion extending in a direction transverse to the length of the body and towards an opening defined in the sidewall without extending through the opening;
the opening sized to receive a leading end portion of a first support connector mounted on the light fixture, the leading end portion having first and second power electrical terminals and a grounding electrical terminal disposed within corresponding first, second and third elongated receptacles in communication with first, second and third openings in a leading end face thereof;
the first and second conductive power pins configured to engage a respective one of the first and second power electrical terminals via the respective first and second openings, and the conductive grounding pin configured to engage the grounding electrical terminal via the third opening, as the first end cap assembly is moved relative to the first support connector from a position fully separated from the first support connector in a path that is transverse to the length of the body into an engaged position;
wherein the first end cap assembly is configured to be coupled to the first support connector as an incident of the first end cap assembly moving into the engaged position.

### Claim 2 (depends on 1)

The linear LED lamp according to claim 1, wherein the conductive grounding pin is spatially arranged relative to the first and second conductive power pins such that, when the first end cap assembly is moved towards the engaged position, the conductive grounding pin of the lamp will be electrically coupled to the grounding electrical terminal of the first support connector before the first and second conductive power pins of the lamp are electrically coupled to the first and second power electrical terminals of the first support connector.

### Claim 3 (depends on 1)

The linear LED lamp according to claim 1, wherein the first end cap assembly opening is bounded by an edge and the first support connector has first and second retractable parts on which respective second surfaces are defined, the first end cap assembly is configured so that the first and second retractable parts: a) are engaged by the edge of the opening progressively cammed from a holding position, in which the first and second retractable parts reside with the first end cap assembly in the fully separated position, towards an assembly position as the first end cap assembly is moved towards the engaged position; and b) move from the assembly position back towards the holding position with the first end cap assembly in the engaged position.

### Claim 4 (depends on 1)

The linear LED lamp according to claim 1, wherein the conductive grounding pin is electrically connected to the heat sink.

### Claim 5 (depends on 1)

The linear LED lamp according to claim 1, wherein the source of illumination comprises at least one LED emitter panel secured to the heat sink, each LED emitter panel comprising at least one printed circuit board comprising DC powered LED emitters for emitting and distributing light outwardly from the emitter panel in a light distribution pattern.

### Claim 6 (depends on 5)

The linear LED lamp according to claim 5, wherein the linear LED lamp further comprises a driver module comprising an alternating current (AC) to direct current (DC) driver circuit for driving the LED emitters with DC power, and the conductive grounding pin is electrically connected to the driver module.

### Claim 7 (depends on 6)

The linear LED lamp according to claim 6, wherein the first end cap assembly comprises a connector end board comprising a driver connector, the connector end board has conductive pathways electrically connecting the first and second conductive power pins to the driver connector, and a corresponding connector is associated with the driver module for electrically connecting the connector end board to the driver module.

### Claim 8 (depends on 7)

The linear LED lamp according to claim 7, wherein the connector end board has an isolated conductive pathway electrically connecting the conductive grounding pin to the driver connector for providing an isolated grounding pathway for the driver module.

### Claim 9 (depends on 7)

The linear LED lamp according to claim 7, wherein the driver circuit comprises an input connector for receiving AC current from the connector end board and an output connector for returning DC current to the connector end board, the connector end board electrically connected to the at least one LED emitter panel and distributing said DC current to the at least one LED emitter panel.

### Claim 10 (depends on 7)

The linear LED lamp according to claim 7, wherein the connector end board includes conductive pathways electrically connecting the conductive grounding pin to conductive edge portions of the connector end board, the conductive edge portions engaging corresponding conductive fasteners for mechanically securing the first end cap assembly to the heat sink, thereby providing an electrical pathway between the heat sink and the conductive grounding pin.

### Claim 11 (depends on 5)

The linear LED lamp according to claim 5, wherein the first and second conductive power pins and the conductive grounding pin comprise generally L-shaped pins each having a first portion extending in a direction generally parallel to the length of the body and a second portion comprising the engagement portion.

### Claim 12 (depends on 11)

The linear LED lamp according to claim 11, wherein the first end cap assembly further comprises a planar support extending transverse to the length of the body, and the generally L-shaped pins are mounted on the planar support.

### Claim 13 (depends on 12)

The linear LED lamp according to claim 12, wherein the planar support comprises a connector end board, and the connector end board includes conductive pathways electrically connecting the conductive grounding pin to a connecting terminal mounted on the connector end board to provide an isolated grounding path for internal components of the lamp connected to the connecting terminal.

### Claim 14 (depends on 11)

The linear LED lamp according to claim 11, wherein the first and second conductive power pins are mounted at positions offset laterally from the mounting position of the conductive grounding pin on opposite sides thereof.

### Claim 15 (depends on 14)

The linear LED lamp according to claim 14, wherein the conductive grounding pin is mounted at a position offset from the mounting position of the first and second conductive power pins in the direction towards the opening in the first end cap assembly.

### Claim 16 (depends on 15)

The linear LED lamp according to claim 15, wherein the engagement portion of the conductive grounding pin extends beyond the respective engagement portions of the first and second conductive power pins in the direction towards the opening.

### Claim 17 (depends on 16)

The linear LED lamp according to claim 16, wherein the engagement portion of the conductive grounding pin and the respective engagement portions of the first and second conductive power pins are configured so that each pin engages the corresponding terminal of the first support connector over a linear distance of at least about 4 mm with the first end cap assembly and support connector in the engaged position.

### Claim 18 (depends on 11)

The linear LED lamp according to claim 11, wherein the first portion of the conductive grounding pin is shorter than the respective first portions of the first and second conductive power pins such that the engagement portion of the conductive ground pin is offset in the direction of the length of the body from the engagement portions of the first and second conductive power pins.

### Claim 19 (depends on 11)

The linear LED lamp according to claim 11, wherein the conductive grounding pin and the first and second conductive power pins are configured such that the engagement portions thereof can be aligned with the corresponding first, second and third openings of the leading end face of the first support connector when the first end cap assembly is moved towards the support connector into the engaged position.

### Claim 20 (depends on 19)

The linear LED lamp according to claim 19, wherein the conductive grounding pin and the first and second conductive power pins are each separated from each other by a clearance distance of at least about 3 mm.

### Claim 21 (depends on 19)

The linear LED lamp according to claim 19, wherein the engagement portions of the conductive grounding pin and of the first and second conductive power pins are each separated from each other by a clearance distance of at least about 3.5 mm.

### Claim 22 (depends on 1)

The linear LED lamp according to claim 1, further comprising a second end cap assembly at the second end of the body, the second end cap assembly having a sidewall defining an opening configured to receive a leading end portion of a second support connector mounted on the support, second end cap assembly is configured to engage and mechanically connect to the second support connector as an incident of the second end cap assembly moving relative to the second support connector from a position fully separated from the second support connector in a path that is transverse to the length of the body into an engaged position.

### Claim 23 (depends on 1)

The linear LED lamp according to claim 1, wherein the lamp comprises a second end cap assembly at the second end of the body that is not adapted to receive power from an external power supply, the second end cap assembly configured to interact with a connector sleeve mounted on the light fixture, the connector sleeve comprising a sleeve portion defining a receptacle, the second end cap assembly configured to be insertable within the receptacle as the second end of the body is moved towards the connector sleeve in a direction substantially parallel to the length of the body into an engaged position with the connector sleeve.

### Claim 24 (depends on 23)

The linear LED lamp according to claim 23, wherein the second end cap assembly has a cross-sectional geometry in a plane perpendicular to the length of the body that conforms to the cross-sectional geometry of the receptacle of the connector sleeve.

### Claim 25 (depends on 24)

The linear LED lamp according to claim 24, wherein the cross-sectional geometry of the second end cap assembly is generally circular.

### Claim 26 (depends on 24)

The linear LED lamp according to claim 24, wherein the cross-sectional geometry of the second end cap assembly is non-circular.

### Claim 27 (depends on 1)

The linear LED lamp according to claim 1, wherein the lamp is designed to accept power from an external power supply having a nominal voltage of up to 240 volts.

### Claim 28 (depends on 1)

The linear LED lamp according to claim 1, wherein the lamp is designed to accept power from an external power supply having a nominal voltage of up to 600 volts.