Patent ID: 7744473

Claim:
An adapter device configured to connect an input shaft to a device to be driven, comprising: an adapter shaft configured to rotatably-fixedly connect to the device to be driven; an intermediate piece engaged with the adapter shaft; and a sub-component engaged with the intermediate piece detachably, form-lockingly connectible to the input shaft, the sub-component including a bore hole configured to accommodate the input shaft in the sub-component and including at least three claws configured to form a coupling; wherein the adapter shaft includes at least three claws arranged at an end facing the intermediate piece and configured to form the coupling, wherein the intermediate piece is arranged between the claws of the sub-component and the claws of the adapter shaft, wherein in a coupled state of the adapter shaft and the sub-component, the input shaft passes through the a bore hole in the intermediate piece, past the claws of the adapter shaft, and into a lumen defined by the adapter shaft, and wherein the intermediate piece extends continuously around an entire circumference of the input shaft.