INSERT FOR PORTABLE ON-TREAD TIRE RACK
An insert for a rack system includes at least a pair of front posts, a pair of rear posts, a plurality of front elongated crossbars extending between the pair of front posts, and a pair of rear elongated crossbars extending between the pair of rears posts. The insert comprises a pair of opposing side beams, each having a front, inverted stair-shaped abutment and a rear, inverted stair-shaped abutment. The insert further comprises a pair of elongated crossbeams extending between the opposing side beams. The insert can further be arranged such that each of the elongated crossbeams has a substantially rectangular cross section. The insert can further be arranged such that each of the elongated crossbeams is angled to receive a tread of a tire.
1 . An insert for a rack system having at least a pair of front posts, a pair of rear posts, a plurality of front elongated crossbars extending between the pair of front posts, and a pair of rear elongated crossbars extending between the pair of rears posts, the insert comprising:
a pair of opposing side beams, each having a front, inverted stair-shaped abutment and a rear, inverted stair-shaped abutment; and
a pair of elongated crossbeams extending between the opposing side beams.
2 . The insert of claim 1 , wherein each of the elongated crossbeams has a substantially rectangular cross section.
3 . The insert of claim 2 , wherein each of the elongated crossbeams is angled to receive a tread of a tire.