Light fixture with tool-less interchangeable lenses

Patent metadata

Field	Value
Publication number	US-2016102845-A1
Application number	US-201514697334-A
Country	US
Kind code	A1
Filing date	Apr 27, 2015
Priority date	Oct 8, 2014
Publication date	Apr 14, 2016
Grant date	—

Abstract

A light fixture includes a housing with a channel configured to contain a driver for driving one or more light emitting diodes located outside the channel. The housing includes slots configured to receive and secure a lens. The light fixture further includes a removable channel cover, tabs located along the length of the channel and adjacent to the channel on the housing, and a lens bar having a first flange configured to secure the lens and a second flange configured to be inserted underneath the tabs. The lens bar is secured in place with the second flange underneath the tabs by the channel cover which prevents the lens bar from moving laterally with respect to the tabs. The slots, the first flange, and a flange running the length of the light fixture perpendicular to the slots are configured to cover the edges of the lens when installed.

First claim

What is claimed is:

1 . A light fixture, comprising:
a housing including a light source and slots configured to receive and secure a lens; a securing mechanism coupled to or integrated with the housing, the securing mechanism configured to releasably secure a portion of a flange; a removable panel; and a lens bar having a first flange configured to secure the lens and a second flange configured to be releasably secured by the securing mechanism, wherein the lens bar is secured in place with the second flange secured by the securing mechanism and by the removable panel which prevents the lens bar from moving laterally with respect to the securing mechanism, and wherein the slots, the first flange, and a flange running the length of the light fixture perpendicular to the slots are configured to cover the edges of the lens when installed.

2 . The light fixture of claim 1 , wherein the securing mechanism includes a single slot or tab running a substantial length of the light fixture.

3 . The light fixture of claim 1 , wherein the securing mechanism includes two single slots or tabs running a substantial length of the light fixture, each slot or tab located on different sides of the removable panel.

4 . The light fixture of claim 1 , wherein the securing mechanism includes one or more slots configured to accept quarter turn screws and wherein the second flange of the lens bar includes one or more quarter turn screws or openings through which a shank of the quarter turn screw may pass and through which a head of the quarter turn screw may not pass.

5 . The light fixture of claim 1 , further comprising a fin coupled to the housing using fasteners which also couple one or more light emitting diodes to the housing.

6 . The light fixture of claim 1 , further comprising two lenses.

7 . The light fixture of claim 1 , further comprising a single lens.

8 . The light fixture of claim 1 , wherein the securing mechanism and the removable panel are configured to allow for the changing of a lens without the use of tools.

9 . A light fixture system for tool-less installation of lenses, comprising:
(A) a housing including:
a light source;
a base portion extending outward from the center of the housing and configured to secure the light source, the base portion further including a flange securing mechanism and furthering including slots to receive a lens; and
an end plate including a slot configured to receive a lens and a cutout configured to allow the lens to be inserted into the slot;
(B) a lens bar including:
a first flange configured to overhang a lens and secure the lens;
a body portion; and
a second flange configured to engage with the flange securing mechanism of the base portion to secure the lens bar to the housing; and
(C) a removable panel configured to be coupled to the housing, wherein the removable panel prevents lateral movement of the lens bar, relative to the flange securing mechanism, through inference between the removable panel and the body portion of the lens bar.

10 . The light fixture system of claim 9 , wherein the securing mechanism includes a single slot or tab running a substantial length of the light fixture.

11 . The light fixture system of claim 9 , wherein the securing mechanism includes two single slots or tabs running a substantial length of the light fixture, each slot or tab located on different sides of the removable panel.

12 . The light fixture system of claim 9 , wherein the securing mechanism includes one or more slots configured to accept quarter turn screws and wherein the second flange of the lens bar includes one or more quarter turn screws or openings through which a shank of the quarter turn screw may pass and through which a head of the quarter turn screw may not pass.

13 . The light fixture system of claim 9 , further comprising a fin coupled to the panel of the housing using fasteners which also couple the one or more light emitting diodes to the panel.

14 . The light fixture system of claim 9 , further comprising two lenses.

15 . The light fixture system of claim 9 , further comprising a single lens.

16 . The light fixture system of claim 9 , wherein the securing mechanism and the removable panel are configured to allow for the changing of a lens without the use of tools.

17 . A method of installing a lens in a light fixture, comprising:
removing a removable panel from the light fixture; inserting the lens through a cutout of the light fixture and into a slot; coupling a lens bar to the light fixture by securing a second flange of the lens bar to the light fixture using a securing mechanism of the light fixture, wherein the lens bar includes a first flange which overhangs and secures the lens; and re-coupling the removable panel to the light fixture wherein, the removable panel is configured to prevent the lens bar from disengaging with the securing mechanism.

18 . The method of claim 17 , further comprising removing an existing lens from the light fixture.

19 . The light fixture system of claim 9 , wherein the securing mechanism includes two single slots or tabs running a substantial length of the light fixture, each slot or tab located on different sides of the removable panel.

20 . The light fixture system of claim 9 , wherein the securing mechanism includes one or more slots configured to accept quarter turn screws and wherein the second flange of the lens bar includes one or more quarter turn screws or openings through which a shank of the quarter turn screw may pass and through which a head of the quarter turn screw may not pass.

Assignees

• Orion Energy Systems Inc

Inventors

• Scribante John
• Tlachac Matthew S
• Kurtz Zachary

Classifications

• F21Y2103/10

  comprising a linear array of point-like light-generating elements · CPC title

• F21S8/06

  by suspension · CPC title

• F21V23/009

  the casing being inside the housing of the lighting device · CPC title

• F21V29/763

  the planes containing the fins or blades having the direction of the light emitting axis · CPC title

• F21V23/0471

  the sensor detecting the proximity, the presence or the movement of an object or a person · CPC title