Patent ID: 11958644
Assignee: FERRUM PACKAGING AG
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A seaming shaft device for a sealer, comprising:
a seaming shaft rotatable about a seaming axis;
a seaming device detachably arranged at one end of the seaming shaft; and
a fastening mechanism configured to fasten the seaming device to the seaming shaft, the fastening mechanism comprising a lock and a fastener configured to be arranged between the lock and the seaming device,
the lock and the seaming device configured to be moved relative to each other along the seaming axis such that the seaming device is capable of being brought from a locked state to an unlocked state, and the fastener in the locked state is clamped between the seaming device and the lock such that the seaming device is fixed to the seaming shaft, the fastener configured to be unclamped by bringing the seaming device from the locked state to the unlocked state so that the seaming device is detachably arranged at the end of the seaming shaft, and
the fastening mechanism comprising a spring mechanism with a compression spring, and the spring mechanism arranged on the lock such that the lock is capable of being moved from the locked state to the unlocked state by expansion of the compression spring.