Seaming shaft arrangement for a sealer

A seaming shaft arrangement for a sealer for attaching a can lid to a can body comprising:

• a seaming head configured to fix the can lid to the can body;
• and
• an ejection rod;
• and
• an ejection head arranged on the ejection rod and movable with the ejection rod relative to the seaming head in an axial direction of the ejection rod;
• a spring assembly by which the ejection head is resiliently mounted on the ejection rod, the spring assembly comprising a slider arranged movably in the axial direction on the ejection rod, a first elastic element arranged between a first abutment surface of the slider and a first supporting surface of the ejection rod, and a second elastic element arranged between a second abutment surface of the slider and a second supporting surface of the ejection head, and the slider being configured to be supported on the ejection head such that the ejection head is resiliently mounted on the ejection rod via the first elastic element;
• and
• a seaming shaft on which the seaming head is arranged, the ejection rod and the ejection head arranged at least partially in an interior of the seaming shaft or the seaming head, whereby at least one of the seaming shaft or the seaming head are movable relative to an other of the seaming head or the seaming shaft in an axial direction.