Sun shields for housing assemblies containing illuminated glass tubing
US5765944A · kind A · utility
Inventors
Key dates
| Filing date | Feb 4, 1997 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | Feb 4, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2103/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting unit that reduces the effect of back lighting having a housing assembly containing an elongated bulb having a longitudinal axis which is horizontally aligned; a transparent and central section, the transparent portion containing the mounted bulb and having spaced apart tabs mounted on an inside surface thereof; and a sun shield attached to the housing assembly. The sun shield, which is positioned between a source of bright light independent of the housing assembly and the housing assembly, having a shield portion and a mounting portion, the mounting portion comprising a bracket portion perpendicular to the shield having a fastener receiving hole through which a fastener is passed to attach the sun shield to the housing assembly. The sun shield also provides protruding members on an outside surface, and at least one catch member on the inside surface, whereby the sun shield may also be attached to the housing assembly by placing the catch member of the sun shield over the protruding member of the housing assembly. The sun shield further comprises a piece of opaque film placed between the tabs which are mounted on the inside surface of the transparent portion of the housin…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.