# US 10,767,823 B2 · LED lighting assembly

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- Number: US 10,767,823 B2
- Document ID: US10767823B2
- Status: Granted
- Kind: B2
- Application number: 16/364,796
- Filed: 2019-03-26
- Published: 2019-07-18
- Granted: 2020-09-08
- Earliest claimed: 2011-04-08
- Assignees: Cooledlite, Inc.
- Applicants: CooLEDlite, Inc.
- Inventors: Peter Ticktin; Thomas Cartwright
- Web page: https://patentgrep.com/patent/US10767823B2

## CPC

- F21S 8/026: {intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling}
- F21K 9/232: specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
- F21K 9/235: Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps (F21K9/238 takes precedence)
- F21K 9/237: Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases (F21K9/238 takes precedence)
- F21S 8/028: {being retractable, i.e. having two fixed positions, one recessed, e.g. in a wall, floor or ceiling, and one extended when in use}
- F21V 21/002: making direct electrical contact, e.g. by piercing (F21V21/35 takes precedence)
- F21V 21/22: telescopic
- F21V 23/06: the elements being coupling devices {, e.g. connectors}
- F21V 29/773: {the planes containing the fins or blades having the direction of the light emitting axis}
- F21V 29/83: the elements having apertures, ducts or channels, e.g. heat radiation holes
- F21Y 2115/10: Light-emitting diodes [LED]
- F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- 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
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- 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 mount for an LED lighting assembly includes a length adjusting shaft having releasable engagement features that allow the length to be adjusted to a desired length, but also the be released and readjusted as needed. The length adjusting shaft can include an external release disposed outside the housing of the LED lighting assembly that is coupled to the releasable engagement and is configured to release the releasable engagement from the adjustment features through a housing of the LED lighting assembly.

## Claims

### Claim 1

A mount for an LED lighting assembly for a recessed ceiling can defining a recess in a ceiling, comprising:
a length adjusting shaft having adjustment features formed on the shaft;
an electrical contact portion disposed at a first end of the length adjusting shaft, the electrical contact portion electrically couplable with a light-bulb outlet disposed within the ceiling recess can and electrically coupled to provide power to the LED lighting assembly;
a housing defining a chamber, the housing being adjustable along the length adjusting shaft and includes a releasable engagement for engaging one of the adjustment features on the length adjusting shaft, wherein the housing is configured to cover the recess;
a circuit board disposed in the housing and having a plurality of LEDs configure to emit light through a bottom of the housing; and
an external release disposed outside the housing that is coupled to the releasable engagement and configured to release the releasable engagement from the one of the adjustment features, wherein the external release is accessible on an outside of the housing when the housing is in place covering the recess.

### Claim 2 (depends on 1)

The mount for an LED lighting assembly in accordance with claim 1, wherein the adjustment features comprise a plurality of slots formed in the shaft, and the releasable engagement comprises a shaft having a first end that engages the one of the slots to hold the housing in place relative to the shaft, and the external release comprises a button coupled to a second end of the shaft.

### Claim 3 (depends on 1)

The mount for an LED lighting assembly in accordance with claim 1, wherein the adjustment features comprise a plurality of notches formed in the shaft, and the releasable engagement comprises a shaft having a first end having a hook that is configured to engage the notches to hold the housing of the LED lighting assembly in place relative to the shaft, and the external release comprises a lever coupled to a second end of the shaft that is configured to release the hook from engagement with the notches to allow the housing to be moved downward along the shaft.

### Claim 4 (depends on 1)

The mount for an LED lighting assembly in accordance with claim 1, wherein the housing comprises
a plurality of air flow exhaust ports formed at an upper side of the housing.

### Claim 5 (depends on 1)

The mount for an LED lighting assembly in accordance with claim 1, wherein the housing includes and airflow channel to subject the LEDs to airflow.

### Claim 6 (depends on 1)

The mount for an LED lighting assembly in accordance with claim 1, wherein
the circuit board is coupled to a heatsink that is disposed inside the housing.

### Claim 7 (depends on 1)

The mount for an LED lighting assembly in accordance with claim 1, wherein
the housing comprises an opening at a lower side of the housing.

### Claim 8

A mount for an LED lighting assembly for a ceiling recess can, the mount comprising:
a length adjusting shaft having adjustment features formed on the shaft that are configured to releasably retain the housing on the shaft;
a housing having an outer periphery configured to fit flush against a surface of a ceiling in which the ceiling recess can is mounted and cover the ceiling recess;
a releasable engagement for engaging one of the adjustment features disposed within the housing to hold the housing on the length adjusting shaft; and
an external release disposed outside the housing that is coupled to the releasable engagement and configured to release the releasable engagement from the one of the adjustment feature, wherein the external release is accessible on the outside of the housing when the housing is in place covering the recess.

### Claim 9 (depends on 8)

The mount for an LED lighting assembly in accordance with claim 8, wherein the adjustment features comprise a plurality of slots formed in the shaft, and the releasable engagement comprises a shaft having a first end that engages the one of the slots to hold the housing in place relative to the shaft, and the external release comprises a button coupled to a second end of the shaft.

### Claim 10 (depends on 8)

The mount for an LED lighting assembly in accordance with claim 8, wherein the adjustment features comprise a plurality of notches formed in the shaft, and the releasable engagement comprises a shaft having a first end having a hook that is configured to engage the notches to hold a housing of the LED lighting assembly in place relative to the shaft, and the external release comprises a lever coupled to a second end of the shaft that is configured to release the hook from engagement with the notches to allow the housing to be moved downward along the shaft.

### Claim 11 (depends on 8)

The mount for an LED lighting assembly in accordance with claim 8, wherein:
the housing includes
at least one air flow exhaust port.

### Claim 12 (depends on 8)

The mount for an LED lighting assembly in accordance with claim 8, further comprising:
an electrical contact portion electrically couplable with a light-bulb outlet disposed within the ceiling recess can and electrically coupled to power the LED lighting assembly; and
wherein an outer periphery of the housing is shaped to direct a continuous flow of air through the housing.

### Claim 13 (depends on 8)

The mount for an LED lighting assembly in accordance with claim 8, wherein:
the housing includes a the plurality of air flow channels.

### Claim 14 (depends on 8)

The mount for an LED lighting assembly in accordance with claim 8, further comprising:
a heat sink;
the housing further include an airflow channel thermally coupled to the heat sink.

### Claim 15 (depends on 8)

The mount for an LED lighting assembly in accordance with claim 8, wherein:
the housing includes a port opening formed at an upper side of the housing.

### Claim 16

A mount for an LED lighting assembly for connecting to and covering a recessed ceiling can, the mount comprising:
length adjusting shaft having adjustment features formed on the shaft that are configured to releasably retain the housing on the shaft;
a housing configured to fit over and cover the ceiling recess;
a releasable engagement for engaging one of the adjustment features to hold the housing onto the length adjusting shaft; and
an external release disposed outside the housing that is coupled to the releasable engagement and accessible when the housing is covering the ceiling recess, the external release further configured to release the releasable engagement from the one of the adjustment features;
wherein the housing is configured to fit flush against a surface of a ceiling in which the ceiling recess can is mounted and wherein the releasable engagement holds the housing flush against the ceiling.

### Claim 17 (depends on 16)

The mount for an LED lighting assembly of claim 16, wherein the adjustment features comprise a plurality of slots formed in the shaft, and the releasable engagement comprises a shaft having a first end that engages the one of the slots to hold the housing in place relative to the shaft, and the external release comprises a button coupled to a second end of the shaft.

### Claim 18 (depends on 16)

The mount for an LED lighting assembly of claim 16, wherein the adjustment features comprise a plurality of notches formed in the shaft, and the releasable engagement comprises a shaft having a first end having a hook that is configured to engage the notches to hold the housing in place relative to the shaft, and the external release comprises a lever coupled to a second end of the shaft that is configured to release the hook from engagement with the notches to allow the housing to be moved downward along the shaft.

### Claim 19 (depends on 16)

The mount for an LED lighting assembly of claim 16, wherein:
the housing comprised an airflow intake port and an air flow exhaust port, and at least one airflow channel within the housing around the at least one LED, and
wherein the airflow intake port and the airflow exhaust port are configured so that heat produced by the at least one LED creates an airflow such that air from outside the housing is drawn into the air flow intake port, through the at least one airflow channel, and out of the air flow exhaust port.