Stabilizing device for luminaire support ring

摘要: A device for maintaining a luminaire support ring centered about and stabilized on pole as it is being raised lowered along the pole. plurality of spaced stabilizing arms are pivotally mounted biased into engagement with by individual cables which also provide raising lowering means ring. The constant centering force exerted against throughout vertical travel uneffected changes in diameter. Tapered rollers engage to lower friction sliding therebetween. extend predetermined distance beyond engaging maintain trapped between should move off-center from connected compression coil springs resiliency system compensate manufacturing tolerances insure latching at top. Cable sheaves change direction 90° their horizontal an upward movement toward second cable fixed top directing downwardly through interior.