Patent ID: 6966448

Claim:
A mobile crane apparatus, comprising: a trailer having a frame supported for road travel on only a single axle that mounts a wheel on each opposite end of said axle, said trailer having a substantially rectangular trailer platform carried on said frame; a hydraulically operated crane having a center post and a boom, said center post supported at a fixed position on said trailer to extend upwardly from a central location of said trailer platform, said central location substantially centrally located both longitudinally and laterally of said trailer platform, and said boom being telescopically extendable outwardly from said center post, said boom extendable to a reach of at least about 16 feet, said trailer and said crane configured to have a weight of about 5000 pounds and a lifting capacity of at least about 1200 pounds at a reach of about 16 feet; said center post rotatable about a vertical axis to position said boom, said center post located between said wheels centered on a longitudinal position that is between a longitudinal front edge of said wheels and a longitudinal rear edge of said wheels; an attachment located at a free end of said boom for connecting a lifting line; and a crane operator control station carried by said trailer, said control station fixed in position on said trailer independent of said center post such that rotation of said center post does not move said operator control station, said operator control station facing a lateral side of said trailer.