Abstract
A tool assembly for attaching to two carriages of a carriage guide rail system; wherein the two carriages are movable along the carriage guide rail relative to one another, the tool assembly having a base and a linear actuator movable relative to the base; wherein the base has a first connector for attaching to one of the two carriages; wherein the linear actuator has a second connector for attaching to the other one of the two carriages; wherein the base has a first base portion attaching to the first connector; wherein the first base portion is arranged between at least a part of the linear actuator and the two connectors in a direction perpendicular to the carriage guide rail.