Patent ID: 8578588

Claim:
A system pendulum apparatus for a chuck or the like, the apparatus comprising: a pendulum element; a basal element; an element connection device for providing an axially swivelable connection between the pendulum element and the basal element, the connection device comprising a restriction device for restricting a swivel range of the pendulum element, a return device for returning the pendulum element to a central position of the swivel range, a fixing device for fixing that the pendulum element within the swivel range, wherein the basal element can be joined by means of a joining device to one jaw of a chuck, and the pendulum element has a clamping device with two exchangeable clamping elements, which are slideable and fixable, said clamping elements being mounted on said pendulum element and slidable in a linear direction with respect to said pendulum element; said pendulum element swivels about a swivel axis with respect to said basal element; said linear direction of said clamping elements is in a plane perpendicular to said swivel axis.