Production series of adapter devices and an adapter device

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 the input shaft passes through the bore hole in the intermediate piece and into a lumen defined by the adapter shaft,
• wherein the sub-component includes a bore hole configured to accommodate the input shaft and is connectible to the input shaft by a feather key connection, and
• wherein the intermediate piece extends continuously around an entire circumference of the input shaft.

An adapter for joining a motor shaft of a motor to a device to be driven, comprising:

• an adapter shaft including a first end connectible to a pinion in a rotatably fixed manner and a second end including at least three claws configured to form a coupling, the adapter shaft including a bore having a diameter greater than a diameter of the motor shaft, an end of the motor shaft on a side of the adapter shaft insertable into the adapter shaft;
• an intermediate part including a base and at least six radial pieces arranged as a star, each radial piece positioned in a radial direction starting from the base, the base including a bore having a diameter greater than the diameter of the motor shaft;
• and
• a coupling part including at least three claws, a bore arranged to receive the motor shaft and connectible to the motor shaft by a feather-key connection, the radial pieces of the intermediate part arranged between the claws of the adapter shaft and the claws of the coupling part;
• wherein the radial pieces include spacers in an axial direction toward the adapter shaft and toward the coupling part,
• wherein each radial piece includes a thickness profile in the radial direction and one of (a) the claws and (b) edges of the claws at least one of (a) curved and (b) formed in a circumferential direction so that, at a nominal loading, the radial pieces apply a compressive load to the base of the intermediate part in the radial direction,
• wherein the intermediate part is made of a softer material than a material of the claws;
• wherein the radial pieces are convex in the radial direction, and
• wherein the intermediate piece extends continuously around an entire circumference of the input shaft.