Patent ID: 11926026
Assignee: CATERPILLAR ENERGY SOLUTIONS GMBH
Field: Machine tools (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A device for tensioning a connecting element fastened to a component to be tightened, comprising:
a fixation element for receiving and holding the connecting element;
a support element for supporting the device against the component;
an actuating unit with a fluid chamber for receiving a fluid and a piston which is translationally guided in the fixation element, wherein the actuating unit is configured for manipulating a volume of the fluid chamber by translationally actuating the piston so as to move the fixation element relative to the support element; and
a guiding unit for locking a relative rotational movement between the piston and the fixation element,
characterized in that the guiding unit is arranged outside of the fluid chamber.