| 摘要 |
A luminaire having a hub assembly comprising the following: a socket for holding a lamp, a socket holder fixedly coupled to the socket, said socket holder having a hollow raised threaded portion extending away from the socket; a housing for enclosing the socket and the socket holder, said housing having a through a first opening for allowing the threaded portion to extend into the housing and at least one second opening to allow for one or more electrical wires connected to the socket; a spring washer and a nut; a pin slidably affixed to the socket holder; at least one extended member; and at least one hollow support member providing for the extended members to fit inside the support member, wherein the socket holder is rotatably coupled to the housing such that the socket holder is adjustable relative to the housing.
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