Patent ID: 11969989
Assignee: BOBST BIELEFELD GMBH
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 15:
16. A printing machine comprising:
a doctor blade;
a drive system to move the doctor blade in a first direction toward a printing cylinder and a second direction opposite to the first direction, the second direction being a direction away from the printing cylinder, wherein the drive system includes (i) a piston to move the doctor blade and (ii) a first pneumatic cylinder to move the piston; and
a mechanical locking element to (i) lock the drive system to restrict a movement of the drive system in the first direction and the second direction, and (ii) unlock the drive system to allow the movement of the drive system in the first direction and the second direction, wherein the mechanical locking element includes a second pneumatic cylinder.