Clamping or gripping device with extended stroke

A clamping or gripping device comprising a main body, guide portions provided on the main body, jaws which are movable along the guide portions in a direction of movement, which can be moved between an inner stroke position and an outer end-of-stroke position, the jaws each having a row-of-teeth portion with, in each case, a length extending in the direction of movement, and clamping or gripping device further comprising multiple pinions, the axes of rotation of which lie in a plane lying parallel to the respective row-of-teeth portions, wherein the pinions are driven by a drive, the pinions interacting with the respective row-of-teeth portion to drive the jaws, the axes of rotation of the pinions being spaced apart at a distance from one another, wherein the lengths of the guide portions, the lengths of the row-of-teeth portions and the distance a between the adjacent pinions being chosen such that, in the outer end-of-stroke position, one pinion interacts with only one row-of-teeth portion and another pinion interacts with only the other row-of-teeth portion, and in that at least two pinions interact with one row-of-teeth portion in one of the inner stroke positions.