| 摘要 |
A light fixture is provided which is mountable to an overhead structure, such as a switch housing of a ceiling fan. The light fixture includes a base which may be attached to the switch housing and a globe which is removably secured to the base. The base includes a plate and an annular flange extending downwardly from the plate, with a plurality of circumferentially spaced and radially inwardly extending protuberances formed on the flange. A plurality of circumferentially spaced resilient members are attached to the plate proximate the flange. The globe includes a neck and a light-emitting enclosure integral with one another, with the neck having a substantially cylindrical portion and a plurality of circumferentially extending ridges, spaced apart by gaps, which protrude radially outwardly from an outer surface of the substantially cylindrical portion of the neck. Each ridge includes a reduced height portion and a circumferential stop formed at one end thereof, and further includes an upwardly extending notch formed therein and disposed adjacent to the stop. The globe may be installed by aligning the protuberances formed on the base with the gaps separating the ridges on the globe and then forcing the globe upward to overcome the resilient members and rotating the globe relative to the base until the protuberances contact the circumferential stops. The globe may then be released, with the resilient members forcing the globe downward so the protuberances engage the notches and releasably lock the globe in position relative to the base.
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