Linear conveyor system

A conveyor system to move an article along a predetermined path, comprising two or more workstations, a conveyor extending along said predetermined path between said workstations, said conveyor having an endless belt entrained about a pair of supports spaced apart along said path, a support surface on said belt to receive said article and a drive mechanism to move said belt relative to said supports along said path, said drive mechanism including a reversible servo motor to move said belt in either direction along said path and to position said belt relative to said workstations said workstations including robotic arms independently ajustable to operate upon the article on said belt, said support surface having a pair of abutments positioned on said belt to engage oppositely directed surfaces on said article and inhibit relative movement between said article and said belt along said path.