Patent ID: 7849795

Claim:
An apparatus for adjusting a gripper-base height of a sheet-fed printing press, comprising: an operation shaft 28 at least partly within a cylinder, said operation shaft 28 being co-centered with a cylinder axis 16 of said cylinder and being movable in the axial direction of said cylinder; said shaft being equipped with a rack portion 32 at an optional position in the axial direction of said cylinder and a rotation engagement portion 36 at an extruded end of said cylinder along the cylinder axis; an adjustment shaft 54 which is rotary, provided at the optional position in the axial direction of said cylinder to the radial direction and is rotated upon receiving force from said rack portion 32 ; said shaft 54 being connected by way of rotation displacement means 58 to a gripper-base bar 12 to a gripper-base 22 which is adjustably provided in the radial direction; and drive means 44 which is connected to said rotation engagement portion 36 and moves said operation shaft 28 in the axial direction of said cylinder.