Patent ID: 9579944
Date: 2017-02-28
CPC Classifications: B60G

Claim:
1. An air spring apparatus for use with a cabin of a vehicle, including: an upper assembly operably associated with the cabin; a lower assembly operably associated with the vehicle; a shock absorber disposed adjacent one of the upper and lower assemblies, the shock absorber having a piston rod protruding therefrom and extending through the other one of the upper and lower assemblies; a bladder attached to the upper and lower assemblies; a flexible bumper element secured to the piston rod adjacent one of the upper and lower assemblies, and secured to the other one of the upper and lower assemblies; a control element operably secured to the flexible bumper element at a first end, and to a valve at a second end, for controlling opening and closing of the valve depending on a spacing between the upper and lower assemblies; and the flexible bumper element being able to flex in response to at least one of torsional and tilting forces experienced by the one of the upper and lower assemblies adjacent to the flexible bumper element, to thus limit transmission of the at least one of torsional and tilting forces to the control element.