Patent ID: 6851543
Filing Date: 2005-02-08
Classification: B65G

Abstract:
1. A conveying machine comprising: a looped guide rail having linear sections and curvilinear sections, a plurality of carrier trucks traveling with support by said guide rail, carrier boxes fitted to said carrier trucks, a conveyor for moving said carrier trucks, and a conveyance interval variable portion for varying the intervals between said carrier trucks, wherein: said conveyance interval variable portion widens the intervals between said carrier trucks when said carrier trucks move from said linear sections to said curvilinear sections, and narrows the intervals between said carrier trucks when said carrier trucks move from said curvilinear sections to said linear sections, and said conveyor comprises linear section moving conveyors for moving said carrier trucks in said linear sections and curvilinear section moving conveyors for moving said carrier trucks in said curvilinear sections, said linear section moving conveyors have a plurality of first guides for guiding said carrier trucks, and said curvilinear section moving conveyors have a plurality of second guides for guiding said carrier trucks.