Patent ID: 8353503

Claim:
An edge alignment control apparatus for correcting vertical alignment of sheet members, comprising: two base units arranged in parallel at two opposite lateral sides, each said base unit comprising a plurality of first power drives controllable to reciprocate a respective horizontal reciprocating member; and a plurality of adjustment units arranged between said two base units, each said adjustment unit comprising two holder blocks respectively connected to the horizontal reciprocating members of said base units at one same elevation and movable by the respective horizontal reciprocating members horizontally, a conveying mechanism, said conveying mechanism comprising a first roller pivotally connected between said two holder blocks, a bearing board connected between said two holder blocks at one side relative to said first roller, a suction hood suspending above said bearing board and controllable to suck up a sheet member from said bearing board, and a passage defined between said bearing board and said suction hood for the passing of a sheet member.