Machine coupling and transmission components, except for land vehicles; pheumatic linear actuators; shock absorbers for machines; bellows being parts of machines; air bellows being parts of machines; valves being parts of machines; pneumatic valve actuators; air distribution units for pneumatically-driven pumps; air compressors; pneumatic pumps for land vehicles; water pumps for land vehicles; bearings for use as parts of machines; bushings for use as parts of machines; parts and fittings for...

PNEUMATIC SUSPENSION SYSTEM FOR MACHINES-NAMELY, DIAPHRAGM OR BELLOWS AIR SPRING ASSEMBLIES, LEVELING VALVES, AND MECHANICAL LINKAGES AND PARTS FOR MOUNTING SAME