Truck rack

Claim 1

In a rack adapted to be mounted to a truck for providing an overlying support for ladders and the like, an improved upright support leg structure comprising an elongated upright defining a lower end adapted to be secured to the truck to project vertically upwardly therefrom, and an upper end construction adapted to support a pair of elongated horizontal support elements, said upper end construction comprising: a distal portion of the upright defining a horizontal support surface; a socket member having a lower inner end surface resting on said horizontal support surface, and an outer portion cantilevered therefrom defining a horizontally opening channel for receiving an end of one of the elongated horizontal support elements; an end plate closing an end of the socket member channel; means securing the end plate to the socket member and said distal upper end of the upright; retaining means removably associated with said end plate for defining with said end plate a through passage for extension of the other of the elongated horizontal support elements slidably therethrough; and means for selectively causing said retaining means to clamp the support element in said passage fixedly to said end plate in alignment with the support element in said socket member channel, said end plate having a portion facially abutting said upper end of the upright subjacent said support surface.