Automobile-washing unit conveyor

Claim 1

In an automobile-washing unit of the type having means for moving an automobile on a riding surface along a prescribed path of movement in association with cleaning apparatus, a conveyor for urging said automobile along said path of movement comprising an endless conveyor chain oriented with the two facing elongated runs thereof aligned with said path of movement, and plural roller arrangements connected at spaced locations along said conveyor chain in operative positions laterally projected therefrom effective to contact the automobile wheels so as to cause movement of said automobile simultaneously with movement of said conveyor chain, each said roller arrangement including a pair of support rollers spaced apart in the direction of the path of movement of the chain and in contact with said riding surface, said rollers being disposed between a pair of spaced-apart brackets which rotatively support said rollers at their ends, an idler roller journaled for rotation at aligned points between medial portions of said brackets in an interposed supported position between said support rollers, said idler roller being mounted in a clearance pOsition from said riding surface and operatively arranged to make said contact with said automobile wheel, whereby the rotation of said automobile wheel during movement thereof along said path of movement is not impeded by the rotating idler roller.