EARLE

gears, speed reducers and gear boxes being parts of machines other than for land vehicles; machines being drive systems for moving movable bridges and structural parts thereof; span lock systems being machines for locking the outer ends of the movable leaves of a drawbridge together; metal shock absorbing span lock assemblies, each comprising a bar lock in direct contact with wear shoes located in guides and sockets for use on drawbridges; pillow block housings for journal bearings for machines; acme screw driven linear actuators, other than for land vehicles