Lighting apparatus
US8657459B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2012 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Aug 26, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2121/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A low profile lighting apparatus is characterized by a battery housing, a rail-engaging plate connected to the housing by a pair of arms, and a recessed activating push-button located between the arms and adjacent the rail-engaging plate. A flexible resilient tab, also recessed between the arms, secures the apparatus to a rail. A lock-out switch is built into a plug for closing an end of the housing. The plug has three discrete rotational positions, one for attachment, a second for activation of an illumination source, and a third for preventing accidental activation of the illumination source by requiring simultaneous axial pressure and rotation. Instead of the plug, a hinged door having a sliding latch part can be utilized. The sliding latch part includes a pair of resilient legs that cooperate with surfaces inside the door to urge the latch part toward a latching condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.