Drive mechanism for a cage in a spiral conveyor belt system

摘要

A drive mechanism for a cage in a spiral conveyor belt system including a plurality of tooth segments secured to a drive ring and positioned to define a substantially constant pitch diameter. The drive ring may be formed from a plurality of discrete pie plates positioned adjacent each other and arranged in a substantially circular format around the cage.

主权项

1. A drive mechanism for a cage in a spiral conveyor belt system, comprising:
a motor; a roller chain communicating with said motor and extending around said cage; a plurality of discreet pie plates secured to said cage and defining a drive ring, each of said pie plates forming a discreet circumferential arc segment, wherein said plurality of pie plates are butted together end-to-end to form a substantially accurate and true circle; a plurality of tooth segments secured to said drive ring, each of said tooth segments having a plurality of drive teeth sized to engage said chain, said tooth segments being positioned to define a substantially constant pitch diameter, and each of said tooth segments being independently radially adjustable with respect to said drive ring for varying said pitch diameter.