Patent ID: 7918442

Claim:
A bookmaking apparatus, comprising: a first path configured to convey a sheet bundle in a substantially vertical direction; a second path intersecting the first path and configured to convey a cover sheet in a substantially horizontal direction; a joining stage disposed at an intersection of the first path and the second path configured to join the cover sheet and sheet bundle; a gripping conveyance device arranged at an upstream side of the joining stage for gripping and conveying the sheet bundle along the first path; adhesive application means for applying adhesive to a bottom side edge of the sheet bundle supported by the gripping conveyance device; a backup member arranged to advance and retract from the first path in order to support the cover sheet at the joining stage; a folding conveyance device arranged at a downstream side of the joining stage for folding and conveying out the cover sheet and sheet bundle, and control means for controlling the gripping conveyance device such that first, the cover sheet and the sheet bundle are adhered together; second, the gripping conveyance device is pulled from the backup member to separate a bottom edge of the sheet bundle by predetermined distance from the backup member; and third, the backup member is retracted from the first path to a position outside the first path.