Telescoping light bar

作者: Philip M Spreuer

DOI:

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摘要: A structural assembly having a central tubular section telescopingly mounting two longitudinally extending members that are adjusted for attachment at the outward ends thereof to vehicle. Coiled power cords received in and furnish selective energization various lights fastened telescoping members. The coiled facilitate extension retraction of without snagging.

参考文章(4)
Clarence Edward Collins, Warning device for towed vehicles ,(1966)
Charles A Roe, Robert R Roe, Trailer light support ,(1961)
William J A Wood, Removable light support for vehicles ,(1964)
Arneson Howard M, Mcdonald Jack J, Signal light for automotive vehicles ,(1952)