초록

A lighting fixture includes a fixture base for mounting to a junction box, wall or other support, a trim base for attachment to the fixture base using a clip connection not requiring tools for installation, and a flexible diffuser retained under its own resilience by engagement with the trim base.

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1. A lighting fixture comprising: a fixture base comprising an electrical connection for an electric lamp, and at least one first retaining element;a trim base comprising at least one second retaining element for cooperative engagement with the at least one first retaining element to attach the trim

1. A lighting fixture comprising: a fixture base comprising an electrical connection for an electric lamp, and at least one first retaining element;a trim base comprising at least one second retaining element for cooperative engagement with the at least one first retaining element to attach the trim base to the fixture base; anda diffuser for attachment to the trim base, wherein the diffuser comprises a resilient diffuser panel flexible between a substantially flat configuration and a three-dimensional configuration; wherein the trim base comprises first and second slots, and wherein the first slot receives a first edge of the resilient diffuser panel and the second slot receives a second edge of the resilient diffuser panel in its three-dimensional configuration. 2. The lighting fixture of claim 1, wherein one of the first and second retaining elements comprise an attachment clip, and wherein the other of the first and second retaining elements comprise an aperture for receiving the attachment clip. 3. The lighting fixture of claim 2, wherein one of the first and second retaining elements comprise at least one opposed pair of attachment clips, and wherein the other of the first and second retaining elements comprise a pair of apertures for receiving the opposed pair of attachment clips. 4. The lighting fixture of claim 1, wherein the first and second retaining elements are operable to engage one another upon application of hand pressure without use of tools. 5. The lighting fixture of claim 1, wherein the fixture base comprises a lamp socket for connection of the electric lamp, and wherein the trim base comprises an aperture for receiving the lamp socket upon assembly. 6. The lighting fixture of claim 1, wherein the trim base comprises first and second slots, and wherein the first slot receives a first edge of the resilient diffuser panel and the second slot receives a second edge of the resilient diffuser panel in its three-dimensional configuration. 7. A lighting fixture comprising: a fixture base comprising an electrical connection for an electric lamp, and at least one first retaining element;a trim base comprising at least one second retaining element for cooperative engagement with the at least one first retaining element to attach the trim base to the fixture base; anda diffuser for attachment to the trim base, wherein the diffuser comprises a non-uniform light-transferring pattern, and wherein the resilient diffuser comprises a first panel comprising a complete construction and a second panel comprising the non-uniform light-transferring pattern; and wherein the trim base comprises first and second slots, and wherein the first slot receives a first edge of the diffuser and the second slot receives a second edge of the diffuser to attach the diffuser to the trim base. 8. A lighting fixture comprising: a fixture base comprising an electrical connection for an electric lamp, and at least one first retaining element;a trim base comprising at least one second retaining element for cooperative engagement with the at least one first retaining element to attach the trim base to the fixture base; anda diffuser for attachment to the trim base, wherein the diffuser comprises first and second layers, the second layer arranged to at least partially overlie the first layer when attached to the trim base; and wherein the trim base comprises first and second slots, and wherein the first slot receives a first edge of the diffuser and the second slot receives a second edge of the diffuser to attach the diffuser to the trim base. 9. A method of installation of a lighting fixture, comprising: mounting a fixture base to a support structure, and electrically connecting the fixture base to an electrical power source;attaching a trim base to the fixture base; andattaching a diffuser to the trim base;wherein the trim base comprises a pair of slots, wherein the diffuser comprises a flexible body having first and second sides, and wherein the diffuser is attached to the trim base by engagement of the first and second sides of the diffuser body into the slots of the trim base. 10. The method of claim 9, wherein the fixture base comprises at least one attachment clip and the trim base comprises at least one retaining aperture for cooperative engagement of the attachment clip to attach the trim base to the fixture base. 11. The method of claim 9, wherein the trim base is attached to the fixture base by hand, without use of tools. 12. A method of installation of a lighting fixture, comprising: mounting a fixture base to a support structure, and electrically connecting the fixture base to an electrical power source;attaching a trim base to the fixture base; andattaching a diffuser to the trim base by engagement of the diffuser into first and second slots of the trim base;wherein the diffuser comprises first and second layers, and wherein the method further comprises arranging the second layer to at least partially overlie the first layer when attached to the trim base. 13. A lighting fixture comprising: a trim base having first and second slots formed therein;a diffuser comprising a resilient body flexible between a substantially flat configuration and a three dimensional configuration, wherein edges of the diffuser are engagable within the first and second slots of the trim base to retain the diffuser in the three dimensional configuration, and wherein the diffuser is retained in engagement with the trim base under bias resulting from the resilience of the diffuser body. 14. The lighting fixture of claim 13, wherein the trim base is trapezoidal and the three dimensional configuration of the diffuser comprises a conic section profile. 15. The lighting fixture of claim 13, further comprising a fixture base comprising at least one first retaining element, and wherein the trim base comprises at least one second retaining element, the first and second retaining elements configured for cooperative engagement to attach the trim base to the fixture base. 16. The lighting fixture of claim 15, wherein one of the first and second retaining elements comprise an attachment clip, and wherein the other of the first and second retaining elements comprise an aperture for receiving the attachment clip. 17. The lighting fixture of claim 15, wherein the diffuser comprises a first panel comprising a complete construction and a second panel comprising a non-uniform light-transferring pattern. 18. The lighting fixture of claim 13, further comprising a fixture base comprising at least one pair of retaining clips, and wherein the trim base comprises at least one pair of attachment apertures to receive the retaining clips and thereby attach the trim base to the fixture base. 19. A lighting fixture comprising: a fixture base comprising a base plate, first and second pairs of retaining clips projecting from the base plate, and a lamp socket;a trim base comprising first and second slots, first and second pairs of attachment apertures for cooperative engagement with the first and second pairs of retaining clips of the fixture base to attach the trim base to the fixture base, and a lamp socket aperture for passage of the lamp socket of the fixture base therethrough; anda resilient diffuser flexible between a substantially flat configuration and a three dimensional configuration, and having edges for engagement with the first and second slots of the trim base to retain the diffuser in the three dimensional configuration.