US Patent 7900903 Hopper mounting mechanism

A hopper is provided including a hopper sidewall and a hopper shoe, the hopper shoe secured to the sidewall, the hopper being pivotable with respect to the hopper shoe when the hopper is secured to a hopper base. A hopper also is provided including a hopper sidewall, a hopper shoe and a spring-loaded clamp for securing the hopper shoe to the hopper sidewall, the spring-loaded clamp including a bolt for securing the spring-loaded clamp to a hopper base. A method is also provided.