Patent ID: 7611265

Claim:
A sealed acorn shaped luminaire, comprising: a globe surrounding an enclosed space and mounted on a mounting collar, said mounting collar hingedly connected to a lamp post; a reflector positioned within said globe for reflecting light emitted by a light source; said light source affixed to a stem, said stem extending upward from a lamp support base into said globe sufficient to position said light source in reflective relationship with said reflector; said mounting collar having an aperture; a lamp support base removably affixable in said aperture of said mounting collar and providing separated, restricted and controlled inflow and outflow of air into said enclosed space, said lamp support base having a one-way outflow shutter seal at a point of contact between said base and said mounting collar allowing outflow of air through said base and mounting collar juncture during pressurization of said globe, and lamp support base supporting a lamp within said globe; electrical wiring extending through said lamp support base to said light source; a one-way inflow electrical grommet seal on said lamp support base which significantly restricts the inflow of air and other particles into said enclosed space.