Cheng Chang

US Patent:

20170030563, Feb 2, 2017

Filed:

Jul 26, 2016

Appl. No.:

15/219929

Inventors:

- Burlington NC, US
James H. Bennett - Greensboro NC, US
Scott T. Ellingson - Graham NC, US
Cheng S. Chang - Elon NC, US
Nathan D. Congdon - Graham NC, US

International Classification:

F21V 21/116
F21V 23/00
F21K 9/20
F21S 8/08

Abstract:

A system and method for retrofitting an existing light pole. The system includes at least one LED light fixture, at least one connector, and an adaptor configured to be mounted to the top of the existing light pole. The adaptor is a first adaptor when the existing light pole has a round base and no tenon. The adaptor is a second adaptor when the existing light pole has a round base and a tenon. The adaptor is a third adaptor when the existing light pole has a square base and a tenon. The first adaptor, the second adaptor, and the third adaptor each have a different configuration.

US Patent:

20160281967, Sep 29, 2016

Filed:

Mar 24, 2015

Appl. No.:

14/666382

Inventors:

- Burlington NC, US
James H. Bennett - Greensboro NC, US
Scott T. Ellingson - Graham NC, US
Cheng S. Chang - Elon NC, US

International Classification:

F21V 21/116
F21V 7/00
F21V 23/00
F21V 29/10
F21V 15/01

Abstract:

An LED light fixture includes an integrally formed unitary housing having a first portion and second portion laterally adjacent to one another. The first and second portions at least partially define separate illuminating and wiring compartments. The illuminating compartment houses a plurality of light emitting diodes and a reflector. The illuminating compartment is partially defined by a frame and a lens mounted to the first portion of the housing. The wiring compartment has at least one wall defined by a door. The door is pivotably attached to the housing. A driver for the plurality of light emitting diodes is mounted to the door for movement with the door.