Patent ID: 11897098
Assignee: BöLLHOFF VERBINDUNGSTECHNIK GMBH
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. The installation method according to claim 7, wherein the rotation decoupling connecting unit comprises a single-acting pneumatic cylinder with spring reset or a double-acting pneumatic cylinder as second actuating member and the installation method comprises the further step:
adding a pneumatic pressure to the single-acting pneumatic cylinder or to the double-acting pneumatic cylinder, whereby the actuating mandrel in the setting spindle is moved out from an initial position, and
switching off the pneumatic pressure in the single-acting pneumatic cylinder and spring-resetting the actuating mandrel into the initial position or
switching off the pneumatic pressure in a first chamber of the double-acting pneumatic cylinder and adding a pneumatic pressure in a second chamber of the double-acting pneumatic cylinder, thereby moving back the actuating mandrel into the initial position.