Patent ID: 7861850
Filing Date: 2011-01-04
Classification: G02F

Abstract:
1. A conveyance apparatus comprising: a stage section including: a feeding stage on which a work to be fed is placed; a first working stage on which the work is subjected to a working process; a second working stage on which the work is subjected to the same working process as that of the first working stage; and a discharging stage on which the work to be discharged is placed, the feeding stage, first working stage, second working stage, and discharging stage being sequentially aligned; and a conveyance section including: a feeding arm feeding the work from the feeding stage to the first or second working stage; a discharging arm which is provided on the discharging stage side of the feeding arm and discharges the work from the first or second working stage to the discharging stage; a first drive unit moving the feeding and discharging arms in an alignment direction of the four stages; and a second drive unit changing distance between the feeding and discharging arms in the alignment direction, wherein the first drive unit comprises: a ball screw extending in the alignment direction; and a drive motor fixed to rotate the ball screw.