Reflector lighting fixture, especially for in-the-floor, in-the-wall or in-the-ceiling lighting
AssigneeErco Leuchten GmbH
InventorLeonard Klose
Life of this patent
Estimating the term…
Abstract
A parabolic reflector lighting fixture for use as an in-the-wall or in-the-floor or in-the-ceiling light has its lamp shiftable in a lumen plane perpendicular to the axis of symmetry of the parabolic reflector through the focal point. The parabolic reflector is limited to reflect light only between the intersection of this lumen plane and the reflector and between this intersection and the apex of the reflector.
Claims24
A reflector lighting fixture for use as an in-the-floor, an in-the-wall and an in-the-ceiling fixture which comprises:
- a parabolic reflector having an apex, a focus and a symmetry axis passing through the focus and intersecting said reflector at the apex, said parabolic reflector emitting light at a lumen plane perpendicular to said axis, passing through said focus and only from portions of said reflector between said apex and said lumen plane;
- a light source in said reflector training light onto said reflector for producing the light reflected from said reflector and emitted at said lumen plane;
- and
- a mount for said light source enabling shifting of the light source in translation in said lumen plane relative to said focus or positioning of said light source at a location in said lumen plane offset in translation from said focus.
A reflector lighting fixture for use as an in-the-floor, an in-the-wall and an in-the-ceiling fixture which comprises:
- a parabolic reflector having an apex, a focus, a symmetry axis passing through the focus and intersecting said reflector at the apex and emitting light at a lumen plane perpendicular to said axis, passing through said focus and only from portions of said reflector between said apex and said lumen plane;
- a light source in said reflector training light onto said reflector for producing the light reflected from said reflector and emitted at said lumen plane;
- a mount for said light source enabling shifting of the light source in translation in said lumen plane relative to said focus or positioning of said light source at a location in said lumen plane offset in translation from said focus, and
- a light-impermeable shield along a side of said lamp turned away from said apex.
A reflector lighting fixture for use as an in-the-floor, an in-the-wall and an in-the-ceiling fixture which comprises:
- a parabolic reflector having an apex, a focus a symmetry axis passing through the focus and intersecting said reflector at the apex, said parabolic reflector emitting light at a lumen plane perpendicular to said axis, passing through said focus and only from portions of said reflector between said apex and said lumen plane;
- a light source in said reflector training light onto said reflector for producing the light reflected from said reflector and emitted at said lumen plane;
- a mount for said light source enabling shifting of the light source in translation relative to said focus or positioning said light source at a location offset in translation from said focus, said light source being a light bulb of substantially circularly cylindrical shape, said bulb having a cylinder axis lying substantially in said lumen plane, and a light-impermeable shield for said light bulb extending along a side thereof turned away from said reflector and being at least indirectly secured laterally to the reflector.
Dependencies are inferred from the claim text.