Patent ID: 9308632
Filing Date: 2016-04-12
CPC Classification: B25B

Claim Text:
1. An apparatus for tightening or loosening fasteners including: a first and a second receiving member, rotatably supported in the apparatus, for receiving a first and a second fastener; a first and a second receiving member a first and a second device realized as a first and a second torque power tool either pneumatically, electrically or hydraulically driven for effecting rotation of the respective receiving members to tighten or loosen the respective fasteners; a device for controlling an operation parameter of each device for effecting rotation to maintain a difference between the operation parameters within a predetermined value, the operation parameters including either: wherein during operation if the difference in the maintained operation parameter(s) exceeds the predetermined value the device for controlling regulates the maintained operation parameter(s) of the respective devices for effecting rotation by either: until the difference in the maintained operation parameter(s) returns to within the predetermined value; characterized in that the devices for effecting rotation are connected by a connector including: