Adjustable light bar apparatus
First Claim
Patent Images
1. Adjustable light bar apparatus for a vehicle comprising in combination:
- light fixture means for providing light;
bracket means for supporting the light fixture means;
light bar housing means secured to the bracket means for supporting the bracket means and pivotable for pivoting the light fixture means; and
means for pivoting the light bar housing means, includinga motor secured to the light bar housing means,a threaded shaft secured to the light bar housing means and rotatably coupled to the motor,a nut movable on the threaded shaft in response to the rotation of the threaded shaft,a block secured to the vehicle, anda link having a first end secured to the nut and a second end secured to the block and pivotable relative to both the block and the nut whereby movement of the nut on the threaded shaft causes pivoting of the threaded shaft and the light bar housing means.
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Abstract
Light bar apparatus includes a light bar or housing supported at opposite ends, and within the light bar or housing are appropriate gears and a chain connected to and for rotating a plurality of lights extending upwardly from the light bar. The lights rotate relative to the light bar. An electric motor connected to the gears and the drive chain within the light bar causes rotation of the lights. The light bar itself tilts or pivots vertically relative to the end supports through a mechanical linkage which includes a chain drive coupled to an electric gear motor.
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Citations
10 Claims
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1. Adjustable light bar apparatus for a vehicle comprising in combination:
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light fixture means for providing light; bracket means for supporting the light fixture means; light bar housing means secured to the bracket means for supporting the bracket means and pivotable for pivoting the light fixture means; and means for pivoting the light bar housing means, including a motor secured to the light bar housing means, a threaded shaft secured to the light bar housing means and rotatably coupled to the motor, a nut movable on the threaded shaft in response to the rotation of the threaded shaft, a block secured to the vehicle, and a link having a first end secured to the nut and a second end secured to the block and pivotable relative to both the block and the nut whereby movement of the nut on the threaded shaft causes pivoting of the threaded shaft and the light bar housing means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification