Patent ID: 6340278
Filing Date: 2002-01-22
Classification: E04G

Abstract:
A granule transfer apparatus comprising:a boom body formed of two or more connected boom components each including a granule movement section, a basal end and a distal end; a stage holding the boom body; a boom body supporting portion that rotatably mounts the stage; a stage turner that turns the stage relative to the boom body supporting portion; a granule feeder provided on the stage that delivers the granule to the basal end of the boom component situated nearest to the stage; a pivotal connecter located between each of the two or more connected boom components that connects the basal end of one boom component to the distal end of an other boom component; a boom turner, located between each of the two or more connected boom components, that turns the one boom component with respect to the other boom component; a junction, located between each of the two or more connected boom components, that transfers the granule from the one boom component to the other boom component; and a controller that controls the stage turner and the boom turner, wherein the stage turner and the boom turner include a detector detecting the rotational position and speed of the stage and the boom.