# US 8,783,916 B2 · Steplight

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 8,783,916 B2
- Document ID: US8783916B2
- Status: Granted
- Kind: B2
- Application number: 13/546,264
- Filed: 2012-07-11
- Published: 2014-01-16
- Granted: 2014-07-22
- Earliest claimed: 2012-07-11
- Assignees: U.S.T.E., Inc.
- Applicants: Glenn M. Tyson; Michael P. Leonhardt; Daniel F. Cunado
- Inventors: Glenn M. Tyson; Michael P. Leonhardt; Daniel F. Cunado
- Web page: https://patentgrep.com/patent/US8783916B2

## CPC

- F21S 8/022: {intended to be recessed in a floor or like ground surface, e.g. pavement or false floor}
- F21V 13/04: the elements being reflectors and refractors {(for vehicle rear lights F21S43/40)}
- F21V 31/005: {Sealing arrangements therefor}
- F21Y 2115/10: Light-emitting diodes [LED]
- F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- 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 recessed light includes an enclosure with a cavity, an opening into the cavity and a mounting surface about the periphery of the opening. An intermediate light assembly including a peripheral frame and a lamp is mounted on the mounting surface of the enclosure. The peripheral frame includes a main frame and extension rings which can be stacked to extend the lamp away from the cavity. The lamp has an array of light emitting diodes on a substrate which is affixed to and thermally integral with a pivotally mounted reflector mounted to the peripheral frame. The reflector provides cooling fins for the array of light emitting diodes. A lens associated with a lens frame is attached to the intermediate lamp assembly.

## Claims

### Claim 1

A recessed light comprising
a recess enclosure including a cavity having an opening and a mounting surface about the periphery of the opening facing away from the cavity;
a lens assembly including a lens frame and a lens in the lens frame;
an intermediate lamp assembly including a peripheral frame and a lamp, the peripheral frame having a first side defining a lens assembly mounting and a second side defining a recess enclosure mounting, the lamp having a light source, a reflector and a power source for the light source, the peripheral frame supporting the lamp, the intermediate lamp assembly being between and engaged with the lens assembly and the mounting surface;
gaskets forming seals between the first side and the lens assembly and between the mounting surface and the second side.

### Claim 2 (depends on 1)

The recessed light of claim 1, wherein the recess enclosure has a maximum perimeter adjacent the mounting surface and the peripheral frame has a perimeter which is smaller than the maximum perimeter of the recess enclosure.

### Claim 3 (depends on 1)

The recessed light of claim 1, wherein the reflector is pivotally mounted within the peripheral frame.

### Claim 4 (depends on 3)

The recessed light of claim 3, wherein the light source is affixed to pivot with the reflector.

### Claim 5 (depends on 1)

The recessed light of claim 1, wherein the light source is light emitting diodes and the power source is an LED driver, the peripheral frame having an integral mount extending into the cavity, pivotally mounting the reflector and rigidly mounting the LED driver.

### Claim 6

A recessed light comprising
a recess enclosure including a cavity having an opening and a mounting surface about the periphery of the opening facing away from the cavity;
a lens assembly including a lens frame and a lens in the lens frame;
an intermediate lamp assembly including a peripheral frame and a lamp, the peripheral frame having a main frame, at least one extension ring, a first side defining a lens assembly mounting and a second side defining a recess enclosure mounting, each of the main frame and the at least one extension ring having an outer surface defining a common perimeter, the first side being on the main frame and the second side being on the at least one extension ring most distant from the main frame, the lamp having a light source, a reflector and a power source for the light source, the main frame supporting the lamp, the intermediate lamp assembly being between and engaged with the lens assembly and the mounting surface;
gaskets forming seals between the first side and the lens assembly and between the mounting surface and the second side, the gaskets further forming seals between the main frame and the adjacent at least one extension ring and between any mutually adjacent extension rings.

### Claim 7 (depends on 6)

The recessed light of claim 6, wherein the lens frame includes lens frame fasteners extending through the main frame to engage the most adjacent at least one extension ring only, the intermediate lamp assembly further includes extension ring fasteners engaging the main frame with the most adjacent at least one extension ring only and enclosure fasteners engaging all of the at least one extension ring with the recess enclosure.

### Claim 8 (depends on 6)

The recessed light of claim 6, wherein there are multiple of the at least one extension ring in stacked arrangement, the main frame and the multiple extension rings each having identical gasket grooves facing toward the mounting surface.

### Claim 9 (depends on 8)

The recessed light of claim 8, wherein the gaskets each include a concavity In cross section and the extension rings each have a ridge mating with the adjacent concavity.

### Claim 10

A recessed light comprising
a recess enclosure including a cavity having an opening and a mounting surface about the periphery of the opening facing away from the cavity;
a lens assembly including a lens frame and a lens in the lens frame;
an intermediate lamp assembly including a peripheral frame and a lamp, the peripheral frame having a first side defining a lens assembly mounting and a second side defining a recess enclosure mounting, the lamp having a light source, a reflector and a power source for the light source, the peripheral frame supporting the lamp, the light source being an array of light emitting diodes on a substrate affixed to and thermally integral with the reflector, the intermediate lamp assembly being between and engaged with the lens frame and the mounting surface;
gaskets forming seals between the first side and the lens assembly and between the mounting surface and the second side.

### Claim 11 (depends on 10)

The recessed light of claim 10, wherein the reflector is pivotally mounted to the frame.

### Claim 12 (depends on 10)

The recessed light of claim 10, wherein the reflector is a thermally conductive extrusion with cooling fins on one side, the substrate being thermally integral with the other side of the extrusion at the cooling fins.

### Claim 13 (depends on 10)

The recessed light of claim 10, wherein the peripheral frame has an integral mount extending into the cavity, the reflector being pivotally mounted to the frame, the power source being an LED driver rigidly mounted to the integral mount displaced from the reflector in the cavity.

### Claim 14

A recessed light comprising
a recess enclosure including a cavity having an opening and a mounting surface about the periphery of the opening facing away from the cavity;
a lens assembly including a lens frame and a lens in the lens frame;
an intermediate lamp assembly including a peripheral frame and a lamp, the peripheral frame having a first side defining a lens assembly mounting, a second side defining a recess enclosure mounting and an integral mount extending into the cavity, the lamp having a light source, a reflector pivotally mounted to the frame and a power source for the light source, the peripheral frame supporting the lamp, the reflector being a thermally conductive extrusion with cooling fins on one side, the light source being an array of light emitting diodes on a substrate affixed to and thermally integral with the reflector at the cooling fins on the other side of the extrusion, the intermediate lamp assembly being between and engaged with the lens frame and the mounting surface;
gaskets forming seals between the first side and the lens assembly and between the mounting surface and the second side.

### Claim 15 (depends on 14)

The recessed light of claim 14, wherein the power source is an LED driver rigidly mounted to the integral mount displaced from the reflector in the cavity.