Patent ID: 7779540

Claim:
A quadrail ergonomic apparatus, comprising: two or more pathways designed to permit movement in two or more directions mounted to a static object above a surface; one or more carriages designed to move in two or more directions disposed within said two or more pathways; wherein: each carriage is suspended above said surface from said pathways and is capable of maintaining a workload in place and permitting movement of said workload in at least four directions, wherein said one or more carriages comprise a first carriage, a second carriage, a third carriage, a fourth carriage and a fifth carriage; said second carriage comprises: a body; one or more mating features complementary to a mating feature of said two or more pathways mounted to said body; and means for suspending said workload above said surface and moving said workload in six or more directions; and said means for suspending and moving said workload comprise a first adjustable arm comprising a first end disposed in connection with said body and a second and end disposed in connection with said workload, a second adjustable arm comprising a first end disposed in connection with said body and a second end disposed in connection with said workload, and a substantially circular harness capable of accepting said workload.