Patent ID: 9216778
Filing Date: 2015-12-22
Classification: B62D

Abstract:
1. A vehicle comprising: a chassis frame having a length running longitudinally between a front and a rear and a width running laterally between a right side and a left side; a cab supported on the chassis frame and having a front and a rear; a suspension system which is disposed between the chassis frame and the cab rear and comprises: a cross rail which is fastened to the chassis frame sides; a gas spring having a base mounted laterally centrally of the chassis frame sides on the cross rail, a deformable gas chamber which confines a pressurized gas and is disposed on the base, and a top plate disposed on the gas chamber opposite the base; a damping mechanism which damps vertical displacements of the cab on the chassis frame; and a multi-limb bar assembly interfacing the cab, the chassis frame, and the gas spring, the bar assembly comprising a hub fastened to the top plate of the gas spring, a left front limb extending from the hub frontward to a left front constraint disposed laterally outboard of the hub and attached to the cab rear, a left rear limb extending from the hub rearward to a left rear constraint disposed laterally outboard of the hub and attached to the chassis frame, a right front limb extending from the hub frontward to a right front constraint disposed laterally outboard of the hub and attached to the cab rear, a right rear limb extending from the hub rearward to a right rear constraint disposed laterally outboard of the hub and attached to the chassis frame, and at least one gusset bar spaced from the hub and joining one of the limbs to another of the limbs.