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US 7,407,217 B2Granted
Composition sideboard for dump trucks
OwnerPaul Compaaninventor
Life of this patent
Estimating the term…
Abstract
The sideboard member includes an interior core portion (32) which is made from a composite material of shredded rubber and polyurethane plastic, and other ingredients. The core portion is covered with a durable rubber layer (35) which is bonded to the core portion and has a thickness of ⅛-inch to ⅜-inch. The top surface (38) of the sideboard member is in the form of an inverted “V”, with each side extending inwardly toward each other at an angle of approximately 45°, the top edge (44) of the inverted V being rounded.
Claims7
A sideboard member for dump trucks and trailers, comprising:
- an extruded sideboard member made from a composite material comprising more than 50% of shredded rubber and most of the remainder a polyurethane plastic, such that the composite material is hard and durable, wherein a top surface of the sideboard member is in the form of an inverted “V”.
Dependencies are inferred from the claim text.