Patent ID: 8613436

Claim:
A cover feeding device ( 1 ) for a bookbinding machine comprising book block grippers ( 2 ) that continuously revolve along a closed track and have a rigid inner gripping jaw ( 2 a ) and an outer gripping jaw ( 2 b ) that can be moved relative thereto and thereby clamp and move book blocks on a moving plane, a magazine ( 3 , 3 ′) having lateral stops ( 6 . 1 , 6 . 2 ) and in which covers ( 13 ) are situated, a separating device ( 7 ) for withdrawing the covers ( 13 ) from the magazine ( 3 , 3 ′) along a withdrawal direction, a transport device ( 8 ) that is arranged underneath the moving plane of the book blocks ( 14 . 1 , 14 . 2 , 14 . 3 ) and feeds the separated covers ( 13 . 1 , 13 . 2 , 13 . 3 ), a scoring device ( 9 ) for scoring edges of a spine region of each withdrawn cover ( 13 . 3 ), a cover press-on device ( 11 ) for pressing the cover ( 13 . 1 ) against the spine of the book block ( 14 . 1 ), wherein the magazine ( 3 , 3 ′) includes at least a first lateral stop ( 6 . 1 ) that is arranged such that it can be fixed transverse to the withdrawal direction ( 12 ) and against which different covers ( 13 , 13 . 1 , 13 . 2 , 13 . 3 ), for book blocks ( 14 . 1 , 14 . 2 , 14 . 3 ) of different thickness are jointly placed, and wherein at least the magazine ( 3 , 3 ′) is adjustable transverse to the withdrawal direction ( 12 ) such that an edge ( 17 ) of the spine region of the respective cover to be separated is withdrawn essentially in alignment with the rigid gripping jaw ( 2 a ).