| 摘要 |
A swivel assembly includes a first swivel member, a second swivel member, and a third swivel member. A first mounting member has a first end which is received in a first bore in the first swivel member in engagement with a first stop. The first mounting member defines a shoulder which engages a mounting surface. A like mounting member is received in a bore of the third swivel member in engagement with a stop. The relative position of the shoulders of each of the two mounting members is fixed by the position of the stops and the length between the mounting member first end and shoulder. An arm extends from the second member such that the arm and second member swivel about the first and third members. A fixed member extends from the first swivel member and receives a locking member therein. The locking member selectively moves vertically into and out of engagement with a locking member receiving recess in the arm. In this manner, the arm may be selectively locked in a fixed position, such as when the lamp assembly is mounted in a moving vehicle, and may be selectively unlocked to allow the arm and a lamp supported thereon to be freely positioned.
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